MTZ 1220.3 Operator's Manual
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MTZ 1220.3 Operator's Manual

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MTZ
1220.1 / 1220.3
1220.1 – 0000010 OM
OPERATOR'S MANUAL
2010

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Summary of Contents for MTZ 1220.3

  • Page 1 1220.1 / 1220.3 1220.1 – 0000010 OM OPERATOR'S MANUAL 2010...
  • Page 2 Some technical data and illustrations given in this book may differ from those on your trac- tor. Dimensions and weights are approximate (advisory). For detailed information please consult your MTZ Dealer. _______________________________________________________________________ RUE “Minsk Tractor Works”, 2010 All rights reserved.
  • Page 3 MTZ- 1220.1/1220.3»………………………………………………………. Electrical circuit diagram of the DL, FDA and PTO control system of “MTZ 1220.1/1220.3” tractors (with GB 16x8) Electrical circuit diagram of the DL, FDA, PTO and gearbox reduction unit control sys- tem of “MTZ-1220.1/1220.3” tractors (with GB 24 x12)
  • Page 4 Tractors “MTZ -1220.1” is a basic model with diesel engine D-245.2S2 with rated power of 90 kW. Tractors “MTZ -1220.3” is a modification with diesel engine D -245.2S2 with rated power of 90 kW, muffler on the right side of cab column.
  • Page 5 MTZ 1220.1/1220.3 Section А. Introduction А2 when a tractor unit is used in the cross-country conditions (arable fields, peat beds, sandy soil etc.) because sudden stop of the tractor-machine unit can occur. Cross the mentioned sections with previously selected gear.
  • Page 6 MTZ 1220.1/1220.3 Section А. Introduction А3 International Symbols Manufacturer uses standard international symbols regarding instruments and operat- ing controls. Symbols with their meaning are given below. — see operators manual — control operating direction — brake — fast — parking brake —...
  • Page 7 MTZ 1220.1/1220.3 Section А. Introduction А4 — control valve spool “lift” posi- — windshield washer tion — control valve spool “drop” — front windscreen wiper position — control valve spool “float” — rear windscreen wiper position — oil pressure in gearbox —...

  • Page 8: Safety Requirements

    MTZ 1220.1/1220.3 Section B. Safety requirements Section B. Safety Requirements SAFETY REQUIREMENTS Strict observance of safety precautions and exact complying with the rules of Safety measures during tractor op- tractor control and its maintenance se- eration cure absolute safety of its operation.
  • Page 9 MTZ-1221.2/1221В.2/1221.3 Safety requirements 13. Stop the tractor immediately if the engine or steering system fails. 21. To prevent tractor roll-over, be Remember, that with the engine careful during the driving the trac- shut down you will have to apply tor. Select a safe speed, corres-...
  • Page 10 MTZ-1221.2/1221В.2/1221.3 Safety requirements engage the 1st gear and apply the ration for work, maintenance, etc., parking brake. when the engine is shut down and brakes are applied. 25. When you use PTO-driven equip- ment, stop the engine and make 36. The cooling system operates under...
  • Page 11 MTZ-1221.2/1221В.2/1221.3 Safety requirements Safety requirements during • Use cab natural ventilation or cab operation and maintenance of air heating and cooling unit according to electrical equipment operation conditions. • If the time of continuous tractor op- 44. To avoid damaging the semicon-...
  • Page 12 MTZ-1221.2/1221В.2/1221.3 Safety requirements measures to prevent the flaming of other close cloth. Use the carbon- the washing liquid fumes. dioxide fire extinguisher. Do not ex- tinguish burning fuel with water 12. Do not operate the tractor in the fire dangerous areas when the bonnet 15.

  • Page 13: Section C. Technical Data

    MTZ 1220.1/1220.3 Section C. TECHNICAL DATA Tractor MTZ - 1220.1 Tractor MTZ - 1220.3 Muffler on the right side of cab column, for the rest see “MTZ - 1220.1” Weights and dimension: Parameter Value Length with ballast weights and linkage to a tractor in transport position, 4600±50...
  • Page 14 Section С. Technical data MTZ 1220.1/1220.3 Tractor serial number is duplicated on the right sidemember. Diesel engine serial number is also in- dicated on the engine identification plate located on the left side of cylind- ers block. Diesel engine turbocharger identifica-...
  • Page 15 Section С. Technical data MTZ 1220.1/1220.3 Gearbox identification number Transmission identification number Front driving axle identification number Cab serial number...
  • Page 16 Section С. Technical data MTZ 1220.1/1220.3 Diesel engine Engine model D-245.2S2 Manufacturer ОАО Minsk Motor Plant Type Four-cycle, turbo-charging with after- cooling Number of cylinders Fuel injection system direct injection Compression ratio (calculated) 17±1 Cylinder bore, mm Piston stroke, mm...

  • Page 17: Engine Starting System

    Section С. Technical data MTZ 1220.1/1220.3 Diesel engine fuel system Engine lubrication system Тype: Combined, with oil-to-water heat Fuel pump exchanger. Type: four-plunger, in-line with priming Oil purification: full-flow with exchan- pump: geable filter (indecomposable n-type) PP4M10Pli – 3704 (of the company Min oil pressure: 0.08 MPa at 600 rpm.

  • Page 18: Rear Axle

    Section С. Technical data MTZ 1220.1/1220.3 Gear box Type: 16/8, mechanical, step-by-step, ranged with constant-mesh gears. Shifting of four gears in each range of forward and reverse movement is carried out via syn- chronizers. The Table below is placed in the right part of the cab window, Note –...

  • Page 19: Pto Drive

    Section С. Technical data MTZ 1220.1/1220.3 Differential lock: Oil-actuated friction Synchronous drive clutch 4,18 rev/meter of travel when fitted with tires 18,4R38. Brakes PTO shaft end extension: SAE stan- Service Brakes: on rear wheels: two- dard 6-spline for 540 rpm and 21-spline disk or three-disk, dry with mechanical for 1000 rpm.
  • Page 20 Section С. Technical data MTZ 1220.1/1220.3 • hazard warning lights; provides 4 control modes of agricultural • lights of “road-train” sign (optional). implements position: • height control mode; Power consumers connection: multi- • power control mode; pin composite plug. • position control mode;...
  • Page 21 MTZ 1220.1/1220.3 Section D . Operation controls and instruments Section D. OPERATION CONTROLS AND INSTRUMENTS 1. Sunscreen; 16. Integrated indicator; 2. Heater control valve operating handle; 17. Steering wheel; 3. Radio-receiving set (if any); 18. Integrated indicator program console; 4. Air distributors of cab ventilation and heat- 19.
  • Page 22 MTZ 1220.1/1220.3 Section D . Operation controls and instruments 31. GB range selector lever; 36. Tillage depth adjustment levers 32. Parking brake lever; 37. Fuel feed control lever 33. Gear-change lever; Power take-off shifter arm (independent - synchronous) 34. Governor control lever stop bumper ором;...
  • Page 23 MTZ 1220.1/1220.3 Section D . Operation controls and instruments Starter and instrumentation switch Switch (1) has four positions: • 0 – “Off”; • I –"Instruments, control lamps block, heating plugs are on”; • II – “Starter On” (not fixed position);...
  • Page 24 MTZ 1220.1/1220.3 Section D . Operation controls and instruments Instrument cluster Instrument cluster includes six gauges with five signal lamps. Scale indicating fuel volume in the tank (1) has divisions 0–1/4–1/2–3/4–1. A signal lamp (1.1) (orange color) is built in the gauge scale, which lights up when fuel volume in the tank drops below 1/8 of the total tank volume.
  • Page 25 MTZ 1220.1/1220.3 Section D . Operation controls and instruments on , stop the engine, find and eliminate fail- ure!
  • Page 26 Integrated indicator (hereinafter referred to as II) and control console (hereinafter re- ferred to as CC) controls operational parameters of systems and assembly units of trac- tors “MTZ” and deliver data on malfunctions or failures of a system to the operator. The ID includes indicators...
  • Page 27 MTZ 1220.1/1220.3 Section D . Operation controls and instruments transducer installed on the final drive gear of the wheel rotating with the lowest speed. In case of absence of a signal, there will not be any speed readouts (see below for more details).
  • Page 28 This mode is available only when the tractor stands still. Note – tractors “MTZ-220.1/1220.3” are equipped with two fuel volume sensors: - there is one frequency fuel volume sensor (FFVS) inside a fuel tank under a cab. - there is another modified frequency fuel volume sensor (MFFVS) inside a fuel tank on a frame.
  • Page 29 MTZ 1220.1/1220.3 Section D . Operation controls and instruments Each failure message (Example: 0----, FUEL, C-BUS) is displayed on the LCD screen by priority independently of the information displayed. Sequentially pressing the “Mode” button must browse through the messages alternately. When the last message is shown and the “Mode”...
  • Page 30 MTZ 1220.1/1220.3 Section D . Operation controls and instruments 2. When the “Value” button is pressed repeatedly, the numerical value of the set pro- grammed parameter is changed. 3. When neither the “Parameter” nor “Value” button is pressed for 7.0 seconds, the mode is exited automatically.
  • Page 31 MTZ 1220.1/1220.3 Section D . Operation controls and instruments Also, when the “Parameter” button is pressed in the programming mode, the list of programmed parameters contains an independent “T” parameter of precise readout of the astronomic service hours of the engine. This parameter cannot be modified, it is the precise number (to 1/10 of an hour) of engine service hours.
  • Page 32 MTZ 1220.1/1220.3 Section D . Operation controls and instruments Air-conditioner control (if it is in- stalled instead of fan-heater) Climatic installation control console has switches (1) and (2). 1 – Air flow adjustment switch; 2 – Air-conditioner switch and refrigerat- ing output adjustment.
  • Page 33 MTZ 1220.1/1220.3 Section D . Operation controls and instruments Three electrical circuit fuse blocks are Sixteen fuses protect the following trac- mounted inside an instrument board. In or- tor electric circuits from overloads: der to access the fuses unscrew 2 screws and open instrument board cover.
  • Page 34 MTZ 1220.1/1220.3 Section D . Operation controls and instruments Electric equipment connector components A combined multipin socket is designed for connecting the trailer electrical equipment or electrical equipment of trailed agricultural implement and ser- vice lamp. It is installed on the cab’s rear support.
  • Page 35 MTZ 1220.1/1220.3 Section D . Operation controls and instruments Gearbox control (16F+8R) The gearbox is controlled by two levers: a lever of ranges shifting (1) and a lever of gears shifting (2). Select the required ranges and gears in accordance with the shifting patterns I and II as shown on the figure below.
  • Page 36 MTZ 1220.1/1220.3 Section D . Operation controls and instruments Gearbox control (24F+12R) (if installed) Gears shifting lever (2) The shifting pattern is shown in the fig- ure on the right (pattern I). “On” button (2а) of gearbox reducer low gear (L).
  • Page 37 MTZ 1220.1/1220.3 Section D . Operation controls and instruments Control of the rear axle differential lock The rear axle differential lock is con- trolled by the button (4), located on the dashboard near FDA control button (2). Three position button (4) has the follow- ing positions: •...
  • Page 38 MTZ 1220.1/1220.3 Section D . Operation controls and instruments FDA drive control FDA drive is controlled by the button (2), located on the board above the right con- trol unit. The button (2) has three fixed positions: • “FDA is automatically “on” — on pressing the upper part of the button;...
  • Page 39 MTZ 1220.1/1220.3 Section D . Operation controls and instruments Rear PTO engagement Important! Use the PTO synchronous drive only at low gears at tractor mo- In order to engage PTO press key (5) to tion speed not higher than 8 km/h.
  • Page 40 MTZ 1220.1/1220.3 Section D . Operation controls and instruments I — 540 rpm — extreme, contraclock- wise; II — 1000 rpm — extreme clockwise. To set a required PTO speed release the bolt (2), turn the lever (1) and tighten the...
  • Page 41 MTZ 1220.1/1220.3 Section D . Operation controls and instruments Hydraulic lift linkage control with hydraulic lift The hydraulic lift linkage is controlled us- ing two control levers (1) and (2), located on the right control board inside the cab. The draft control lever (1) is the nearest...
  • Page 42 MTZ 1220.1/1220.3 Section D . Operation controls and instruments Gearbox oil pump control The gearbox oil pump control lever (1) can have two fixed positions: I — “Pump drive from engine” (normal operating position) — the lever (1) is turned counterclockwise...
  • Page 43 MTZ 1220.1/1220.3 Section D . Operation controls and instruments Changing of steering wheel position To adjust the height of the two-arm steering wheel, proceed as follows: • Remove the cover (2); • Unscrew the clamp (1) for 3…5 turns; • Set the steering wheel 3 in the re- quired position;...
  • Page 44 MTZ 1220.1/1220.3 Section D . Operation controls and instruments Seat “MTZ” The seat has the following adjust- ments: Adjustment according to the op- erator's weight is carried out by means of lever 1. To adjust the seat for a bigger weight it is required to shift the pawl of the lever 1 into position “A”...
  • Page 45 MTZ 1220.1/1220.3 Section D . Operation controls and instruments In case a Grammer seat is installed in a tractor, adjustment according to the operator's weight is carried out by means of a lever 7. To adjust the seat for a bigger weight it is necessary to turn the handle clockwise.
  • Page 46 MTZ 1220.1/1220.3 Section D . Operation controls and instruments Cab heater fan control To turn on the heater conditioner, proceed as follows: 1. After refilling the cooling system with antifreeze agent, start the engine and let the engine work at medium...
  • Page 47 MTZ 1220.1/1220.3 Section D . Operation controls and instruments Cab air conditioning and heating ATTENTION: REFILL THE ENGINE system COOLING SYSTEM ONLY WITH AN If it is installed instead of a heater fan ANTIFREEZE AGENT. For efficient operation of the...
  • Page 48 MTZ 1220.1/1220.3 Section D . Operation controls and instruments Pneumatic system compressor con- trol The handle of compressor control has two positions: • “Compressor ON” – when turning the handle so that the arrow on the arm is directed backwards to tractor motion;...

  • Page 49: Section D. Construction And Operation

    MTZ 1220.1/1220.3 Section D. Construction and Operation CONSTRUCTION AND OPERATION OF TRACTOR COMPONENTS The Engine Feed Circuit consists of an air-cleaner, air-delivery conduit, induction/ ex- haust manifolds, turbocharger, exhaust muffler, fuel tanks, coarse and fine fuel filters, fuel pump, injectors as well as fuel-injection (high-pressure) and delivery low-pressure) pipe- lines.
  • Page 50 MTZ 1220.1/1220.3 Section D. Construction and Operation Air purifier (fig. Д-2 ) of Donaldson com- The Coarse Fuel Filter with a screen filter pany of dry type using one paper filtering element cleans the fuel from mechanical element. It has three stages of cleaning.
  • Page 51 { | y z { | y z { | MTZ 1220.1/1220.3 Section D. Construction and Operation Turbocharger The turbine wheel (7) is cast of a refrac- tory nickel allow and welded to the rotor The turbocharger serves for charging air y y y shaft (12).
  • Page 52 MTZ 1220.1/1220.3 Section D. Construction and Operation Installation of charged air cooler (CAC) The CAC is an air heat exchanger, con- sisting of a core as finned aluminum The charged-air cooler 5 is mounted in pipes, tanks and connection tubes. Air is...
  • Page 53 MTZ 1220.1/1220.3 Section D. Construction and Operation In case of excessive clogging of filter the rear bearing of the camshaft through paper, when oil filter resistance exceed the passageways in the block, cylinder 0,13...0,17 MPa, the oil filter overflow valve head, drilled hole in the IV.
  • Page 54 MTZ 1220.1/1220.3 Section D. Construction and Operation The Engine Cooling System (Fig. Д-6) is lant temperature light is installed in the of a closed liquid-type with forced circula- thermostat cover. tion of the fluid from the centrifugal pump. The operation of the diesel engine is...
  • Page 55 MTZ 1220.1/1220.3 Section D. Construction and Operation Electric Equipment and Starting Sys- For better diesel engine start at the lower temperatures remote glow plugs are used in the cylinder head of the diesel engine. These plugs heat draw-in air in the cy- The electric equipment aggregates in- linders.

  • Page 56: Power Transmission

    MTZ 1220.1/1220.3 Section D. Construction and Operation Power transmission The power transmission comprises clutch, Clutch gearbox, FDA drive, FDA and rear axle. It The clutch (Fig. Д-10) of the tractor consist serves for torque transfer from diesel en- of the clutch coupling (elements 1, 3, 5, 7- gine camshaft to the front and rear 10, 12-14, 24-28 Fig.
  • Page 57 MTZ 1220.1/1220.3 Section D. Construction and Operation dry-friction double-disk spring- loaded clutch coupling is mounted on the Clutch control (MTZ-1221.2/1221.3) engine flywheel 2. The clutch driving part is a flywheel (2), a pressure plate (3) and The clutch is disengaged by stepping on a center plate (28), which are fixed to the the clutch pedal (1) (Fig.D-11) which acts...
  • Page 58 MTZ 1220.1/1220.3 Section D. Construction and Operation Clutch Housing backward ranges, with intra-range shift of The clutch housing accommodates the gears by means of synchronizers. It pro- drives of the independent PTO, HLL vides 16 forward speeds and 8 reverse...
  • Page 59 MTZ 1220.1/1220.3 Section D. Construction and Operation Fig. D-12.2. Shaft of downshift gears: 1 – primary shaft; 2, 4, 7, 8 – gears; 3 – coupling; 5, 9, 10 – bushings; 6 – retaining ring The drive gear assembly consists of a...
  • Page 60 MTZ 1220.1/1220.3 Section D. Construction and Operation y y yy y y y y y y y y...
  • Page 61 MTZ 1220.1/1220.3 Section D. Construction and Operation Fig.D-14. Gearbox: 1, 4, 14 – forks; 2, 5, 6, 10, 15 – dogs; 3, 13 – bolts; 7 – dog; 9 – pin; 11 – lock; 12 – spring; 8 – ball; 16 – filter; 17 – pump casing; 18 – inner shaft.
  • Page 62 MTZ 1220.1/1220.3 Section D. Construction and Operation Gearbox (24F+12R) (optionally) The gearbox consists (Fig. D-15.1) - mechanical, fixed- ratio, range-type - of a transmission assembly, a shaft of reduced gears and reverse, a secondary shaft supported in bearings in the housing as well as a control mechanism and hydraulic system units.
  • Page 63 MTZ 1220.1/1220.3 Section D. Construction and Operation of the 5 and 4 gear, respec- The speed-gear assembly is mounted tively. The driven pinions (43 and 41) of on the cover (54) and consists of the pri- and 1 gears, respectively, rest on mary shaft (51) with driving pinions (2, 4, needle bearings.
  • Page 64 MTZ 1220.1/1220.3 Section D. Construction and Operation The gear-cluster shaft 33 (see Fig. E- The sets of components on the primary, 15.1) is installed in the casing (1) and intermediate, secondary as well as down- rests in bearings (27) and (35). Gears shift-and –reverse gear shafts are tight-...
  • Page 65 MTZ 1220.1/1220.3 Section D. Construction and Operation The speed range change-over mecha- Three dogs, a fork (8), ball-point lock (13) nism (Fig. E-15.4) is installed in the and parts of the two gear engagement transmission gearbox casing (1) and lockout mechanism are installed in the cover of the gear-shift mechanism (14) fork assembly (7).
  • Page 66 MTZ 1220.1/1220.3 Section D. Construction and Operation The high-to-low reduction gear stage changing the length of the pusher (7) with switch-over mechanism of the trans- further locking by a check-nut (8). The mission gearbox (Fig. E-15.5) cylinder (11) communicates with the hy-...
  • Page 67 MTZ 1220.1/1220.3 Section D. Construction and Operation Transmission Gearbox Reduction Gear Control System The system allows the reduction gear The electro-hydraulic control system stages to be switched over when the (Fig. E-15.6) involves a control panel (1) lever (3) is in its neural position only (con-...
  • Page 68 MTZ 1220.1/1220.3 Section D. Construction and Operation Engine Starting Interlock As a precautionary measure against the The shims (9) are provided to adjust the engine starting when range instant of contact opening (9). switched on, the tractor is equipped with a special interlock device (Fig.
  • Page 69 MTZ 1220.1/1220.3 Section D. Construction and Operation Rear Axle The rear axle (Fig. E-16) consists of the housing, and the will transmission assem- final drive, differential assembled with a blies located in the half-axle housings. hydraulically-driven friction clutch used for locking, hub drives located in the rear axle Fig.
  • Page 70 MTZ 1220.1/1220.3 Section D. Construction and Operation Final Drive The adjusting shims (34) with the thick- ness of 0.2 mm and 0.5 mm are inserted The final drive of a bevel circular-arc teeth between the flanges of the bearing bodies...
  • Page 71 MTZ 1220.1/1220.3 Section D. Construction and Operation Differential Lock Clutch and Three-Disk Service Brake The multiple-disk hydraulically controlled brake housing (17) contains the brake differential lock clutch (1) (Fig. E-17) is lo- disks (16), pressure disks (13), intermedi- cated in casing (8) which is bolted to the...
  • Page 72 MTZ 1220.1/1220.3 Section D. Construction and Operation Automatic Differential Lock-Up (ADL) The ABD feature is designed to improve clutch (Fig. E-17) and an electro-hydraulic the tractor traction and adhesion proper- control system. The latter ensures two op- ties and off-road capability. It consists of a eration modes: “automatic”...
  • Page 73 MTZ 1220.1/1220.3 Section D. Construction and Operation Service Brakes (MTZ-1221.2/1221.3) The tractor is equipped with three-disk The brake actuator is of mechanical type. dry brakes of an increased standard size. Each brake is activated by a separate The disks of the left- and right-hand pedal (23).
  • Page 74 MTZ 1220.1/1220.3 Section D. Construction and Operation Parking brake The tractor is equipped with a dry two-disk of the cab. The lever is locked when set to parking brake of reduced standard size work by means of a stop catch (12) on the (with the diameter of 178 mm), attached to toothed sector (13).
  • Page 75 MTZ 1220.1/1220.3 Section D. Construction and Operation “Wet” Brakes and Rear Axle Differential Lock Clutch (Option) The tractors can be equipped with multi- a common oil bath; therefore it also made ple-disk service and parking brakes oper- as a “wet” one.
  • Page 76 MTZ 1220.1/1220.3 Section D. Construction and Operation Service brakes disks service brake. Its components are unified with those of the service brake. The service brakes are of 8-disk type. The friction disks (2) are installed in splined ends of the hub drive pinions (16).
  • Page 77 MTZ 1220.1/1220.3 Section D. Construction and Operation Pneumatic equipment Single-line pneumatic drive of trailer brakes The tractors can be equipped with the single-line and double-line pneumatic drive of the trailers brakes, fitted up with the brakes pneumatic drive. The pneumatic drive is used for tyre and other goals, where the energy of com- pressed air is required.
  • Page 78 MTZ 1220.1/1220.3 Section D. Construction and Operation through the fed duct (12). On stepping the matic drive is used with no trailer at- brake pedals or applying the parking tached (for example, when inflating tyres) brake, compressed air is delivered to the...
  • Page 79 MTZ 1220.1/1220.3 Section D. Construction and Operation Air intake into the pneumatic drive matic drive is used with no trailer attached is made through the engine inlet duct. Air (for example, when inflating tyres) and in is compressed in the compressor (1) and,...
  • Page 80 MTZ 1220.1/1220.3 Section D. Construction and Operation Rear PTO (2) and forms, together with the brake band (18), an engagement band brake. The rear PTO is provided with the two- speed independent (540 and 1,000 rpm) The inner bore of the shaft (20) houses and synchronous (4.18 revolutions per...
  • Page 81 MTZ 1220.1/1220.3 Section D. Construction and Operation Pic. D-22. Rear PTO epicyclical reduction gear: 1 – bracket; 2 – hydraulic cylinder; 3 – eccentric axle; 4, 5 – lever; 6 – control roller; 7 – stop plate; 8 – end- piece fixing bolt;...
  • Page 82 MTZ 1220.1/1220.3 Section D. Construction and Operation Front PTO control mechanism The front PTO is controlled by means of the To engage the drive of the front PTO, electro-hydraulic system. it is necessary to set the switch (3) to the po- sition “Engagement of the front PTO drive”...
  • Page 83 MTZ 1220.1/1220.3 Section D. Construction and Operation Front driving axle The front driving axle (FDA) is intended for transmitting the torque from the engine to the front steerable wheels of the tractor. It consists of the final drive, differential and wheel reduction gears.
  • Page 84 MTZ 1220.1/1220.3 Section D. Construction and Operation The driving gear (36) of the final drive is mounted in the carriage (29) on two taper roller bearings. The tightness in the bearings is adjusted by means of adjusting washers (30), after which they are tightened by means of the nut (33).
  • Page 85 MTZ 1220.1/1220.3 Section D. Construction and Operation 1 – differential casing; 2 – driving plate; 3 – driven plate; 4 – pressure cup; 5 – satellite shaft; 6 – satellite; 7 – 10 – semi-axis shaft. differential cover; 8 – axle-shaft gear; 9 - taper roller bearing.
  • Page 86 MTZ 1220.1/1220.3 Section D. Construction and Operation means of the thrust ring (36) being in contact with the cage and from the other side – by means of two locking rings (31, 32). The satellites rotate on the shafts (7) mounted in the counterbores of the cage (5). The cylindri- cal rollers (8) serve as satellite bearings.
  • Page 87 MTZ 1220.1/1220.3 Section D. Construction and Operation Cardan shaft The cardan shaft is intended for transmit- ting the torque from the GB to the FDA. The cardan shaft in assembly is dynami- The cardan shaft consists of a tube (2) cally balanced.
  • Page 88 MTZ 1220.1/1220.3 Section D. Construction and Operation stalled on the panel (1) face. The latter is on tractor slippage, which is sensed by located over the tractor right-hand side sensor (9) of automatic control. When control panel. rear wheels are slipping, the sensor (9)
  • Page 89 MTZ 1220.1/1220.3 Section D. Construction and Operation Fig.D-29. Hydraulic power lift of the HLL (monoblock): 1 – rear axle casing; 2 – power ram cylinders; 3 – regulator-distributor; 4 – brackets; 5 – position (10) and draft (11) lever control ropes; 6 – adjustable RHL travel limiter; 7 – draft control handle; 8 – position con- trol handle;...
  • Page 90 MTZ 1220.1/1220.3 Section D. Construction and Operation y y y y y y y y yy y y y y y y y Fig..
  • Page 91 MTZ 1220.1/1220.3 Section D. Construction and Opera- tion Hydraulic System Operation Position control The hydraulic system for controlling the 1. Set the draft control handle (2) to the three-point RHL is equipped with the regula- foremost position in the direction of the tor-distributor built in the monoblock.
  • Page 92 MTZ 1220.1/1220.3 Section D. Construction and Opera- tion Hydraulic lilt linkage based on the electro-hydraulic regulator of the RHL control The tractor is equipped with two Ц 90х220 vertical hydraulic cylinders built in the lift (without regulator) controlled from the electro-hydraulic regulator. The schematic hy-...
  • Page 93 MTZ 1220.1/1220.3 Section D. Construction and Operation The functions of control of the RHL hydraulic block (3) mounted on the oil and hydroficated working members of tank (1). The lever control of the dis- the external consumers are imple- tributor (2) and НШ32-3 the gear...
  • Page 94 Fig. D-33. Electro-hydraulic unit 1 – ЕНR5-ОС electro-hydraulic regula- Company (Germany) and adaptor plate tor; 2 – adaptor plate; (2) manufactured by the MTZ. The electro-hydraulic unit (Fig. E-33) The construction arrangement of the consists of distributing sections of the ЕНR5-ОС...
  • Page 95 MTZ 1220.1/1220.3 Section D. Construction and Operation Electronic RHL control system Fig. D-35. Electronic RHL control system 1 – RHL control panel; 2 – electronic unit; 3 – RHL position sensor; 4 – button for remote control of lowering the RHL; 5 – button for remote control of lifting the RHL; 6 – left-hand force sensor;...

  • Page 96: Rhl Control Panel

    MTZ 1220.1/1220.3 Section D. Construction and Operation RHL Control Panel Fig. D-36. RHL control panel 1 – lowering speed control handle (clockwise – quicker, anti-clockwise – slower); 2 – handle for selecting the control method (clockwise – position one, anti-clockwise – draft one, intermediate – combination control); 3 –...
  • Page 97 MTZ 1220.1/1220.3 Section D. Construction and Operation In case of raising (“popping”) of the agri- WARNING: When using the remote cultural implement when passing through control units, never stand between the the pressed soil areas gashes, deepen tractor and the implement ganged. To...
  • Page 98 MTZ 1220.1/1220.3 Section D. Construction and Operation Fault Diagnostics engine, the operation of the system is re- The BOSCH electronic hydraulic control sys- sumed. tem is provided with the self-testing capability In case of light defects the diagnostics indi- and issues the code information to the opera- cator issues the defect code.

  • Page 99: Complex Defects

    MTZ 1220.1/1220.3 Section D. Construction and Operation List of possible defects and methods of their check-up Defect Defect description, possible Defect check-up method code cause Complex defects Fault in the circuit of control Disconnect the bundle from the electromagnet and the solenoid valve for lifting.

  • Page 100: Medium Defects

    MTZ 1220.1/1220.3 Section D. Construction and Operation Defect Defect description, possible Defect check-up method code cause buttons. Short circuit be- for mechanical damage. Disconnect each button in tween the wires or locking turn until the defect is eliminated. When disconnect- of one of the remote control ing the buttons, the engine shall be stopped.

  • Page 101: Light Defects

    MTZ 1220.1/1220.3 Section D. Construction and Operation Defect Defect description, possible Defect check-up method code cause Control panel fault. The Check the reliability of connection of the connectors RHL control lever (7) (Fig. of the control panel and electronic unit as well as faulty.
  • Page 102 MTZ 1220.1/1220.3 Section D. Construction and Operation Fig.D-37. Electric connection diagram of the RHL control system...
  • Page 103 MTZ 1220.1/1220.3 Section D. Construction and Operation Rear Hitch Linkage (RHL) rods (5) through the slots (indicated by an ar- The second-category three-point hitch linkage row). with the third-category connecting points serves for ganging the mounted and semi- mounted agricultural machines and imple- ments with the following coupling members: •...
  • Page 104 MTZ 1220.1/1220.3 Section D. Construction and Operation Partial locking The horizontal movement of the imple- ment in the working position shall be pro- vided by connecting the tie-links to the lower holes of the brackets (1) and adjust- ing the length by means of the tie-links (2)
  • Page 105 MTZ 1220.1/1220.3 Section D. Construction and Operation Mounting the agricultural implements adjust it be means of the tie-links, if onto the tractor necessary. The most kinds of equipment can be mounted on the tractor by performing the following operations: 1. Lower the hitch linkage to the bottom position.
  • Page 106 MTZ 1220.1/1220.3 Section D. Construction and Operation Universal traction-hitch mechanism The towing arrangement for working with two-ale trailer consists of the towing jaw (5) with the pivot (6). The jaw body is connected with the plates (4) which enter the slot of the guiding side pieces (3, 7) and fixed by means of four pins (12).
  • Page 107 MTZ 1220.1/1220.3 Section D. Construction and Operation Coupling hook Fig. D-38a. Coupling hook The coupling hook (hydroficated) is in- tended for working with semi-trailers and agricultural machines based on them. It is mounted on the tractor with the lift-type guides of the traction-hitch mechanism. It...
  • Page 108 MTZ 1220.1/1220.3 Section D. Construction and Operation Adjustment of the hydroficated hook control mechanism and peculiarities of ad- justment with the electro-hydraulic regulator of the RHL control ATTENTION! Prior to beginning the work with semi-trailers as well as prior to each adjust-...
  • Page 109 (3) (Fig. Д-40) (the The hydraulic circuit of HSC of the trac- steering wheel does not rotate) comes to tors MTZ-1220.1/1220.3 is given on Fig. the dosing pump (2) and is delivered to Д-40. the oil tank (5) through the filter (4) in the During turning of the steering oil tank.
  • Page 110 MTZ 1220.1/1220.3 Section D. Construction and Operation Figure D-40 Hydraulic circuit HSC 1 – hydraulic cylinder, 2 – dosing pump, 3 – gear-type feed pump HSC, 4 - filter, 5 – oil tank 6 – return valve, 7 - valve...
  • Page 111 MTZ 1220.1/1220.3 Section D. Construction and Operation Measuring Pump The anti-shock valves (7) limit pressure in The measuring pump (Fig. E-41) consists the cylinder ducts in case of impact loads. of a pumping unit (I), distributor (II), a non- Pressure setting for the anti-shock valves return valve (9), two anti-shock valves (7), is within 20…21 MPa (200…210 kgf/cm...
  • Page 112 MTZ 1220.1/1220.3 Section D. Construction and Operation 1 - piston; 2, 12 – O-ring; 3 - body; 4 - rod; 5 – lock screw; 6 – front cover; 7 - spherical bearing; 8 – cap nut; 9 – rod collar; 10 – rod seal; 11 – protective ring, 13 – rod guide, 14 – piston seal; 15 –...

  • Page 113: Tractor Preparing For Operation

    MTZ 1220.1/1220.3 Section Е. Tractor preparing for operation . TRACTOR PREPARING FOR OPERATION Section Е GENERAL REQUIREMENTS • check oil level in the diesel engine When putting a new tractor into operation crankcase, transmission, front driving proceed as follows: axle housing and final drive reducers, in •...
  • Page 114 If the diesel starting the diesel engines of the trac- engine fails to start after 3 attempts, tores MTZ-1220.1 at the air tempera- find the defect and rectify it. ture +4°С and more, only for better di- •...
  • Page 115 MTZ 1220.1/1220.3 Section Е. Tractor preparing for operation - if the voltage is not delivered to the glow plugs, the control lamp starts Use oil of winter types* in the crank case, flashing, one switching on in 3 s ;...
  • Page 116 MTZ 1220.1/1220.3 Section Е. Tractor preparing for operation Е4 Breakaway and tractor moving IMPORTANT! NOTE: Refer to the travel speed chart in section «В» of this manual for de- Shift gear ranges (by gear clutch) only sired speed range selection (р. В6).
  • Page 117 MTZ 1220.1/1220.3 Section Е. Tractor preparing for operation Do not start driving a tractor with heavy traction loading (for example, a plough IMPORTANT! To avoid noisy shifting, buried in soil). After shifting a gear, turn shift a range gear (4) only when a the parking brake off and engage the tractor is stopped.

  • Page 118: Working Brakes

    • pull diesel engine stop lever; Important! “MTZ” tractor is equipped with hydrostatic steering system. If the • turn a ground switch off (to avoid sto- diesel engine is stopped, an oil pump, rage batteries discharging).
  • Page 119 MTZ 1220.1/1220.3 Section Е. Tractor preparing for operation Warning! To avoid unexpected move- ment of the implement, disengage the PTO after each use. The PTO-driven equipment not requiring high power take-off, must have 6-splined coupling to run at 540 rpm. In this case it is necessary to set 2037 rpm of the diesel engine.
  • Page 120 MTZ 1220.1/1220.3 Section Е. Tractor preparing for operation Е8 Running-in transporting). Load the diesel engine by IMPORTANT! The first 30 hours of tractor not more than 50% from its rated pow- operation influences greatly tractor per- formance and operation life, especially its diesel engine.

  • Page 121: Section G. Operating Instruction

    MTZ 1220.1/1220.3 Section G. Operating instruction OPERATING INSTRUCTION Section G. Hydraulic lift linkage Hydraulic system of rear thee-point hitch control is equipped with distributor- regulator build in monoblock (HLL with hydraulic lift) that provide system opera- tion in the following modes: •...
  • Page 122 MTZ 1220.1/1220.3 Section G. Operating instruction Operation of a tractor equipped with a HLL with a hydraulic lift A HLL with a hydraulic lift is controlled by two handles located in the cab on the right control panel: - the draft control handle (2);...
  • Page 123 MTZ 1220.1/1220.3 Section G. Operating instruction Rear hitch (RH) The 2 and 3 category three-point hitch serves for coupling of mounted and semi- mounted agricultural machines and im- plements with the following coupling members: • the length of the suspension axle (con- ventional distance between the joints of the lower rods) is 870 mm;...
  • Page 124 MTZ 1220.1/1220.3 Section G. Operating instruction Upper link and crossbeam The length of the upper link (4) is adjust- able within 500...740 mm. The length of right adjustable crossbeam (3) can be changed within: • 580...665 mm for RLL with hydraulic lift.
  • Page 125 MTZ 1220.1/1220.3 Section G. Operating instruction External tie-links Partial locking The horizontal movement of the imple- ment in the working position shall be pro- vided by connecting the tie-links to the lower holes of the brackets (1) and adjust- ing the length by means of the tie-links (2)
  • Page 126 MTZ 1220.1/1220.3 Section G. Operating instruction Mounting the agricultural implements onto the tractor The most kinds of equipment can be mounted on the tractor by performing the following operations: 1. Bring the lift linkage (HLL without hy- draulic lift) to the low position, drive the tractor back and connect the implement to the lower links (4).
  • Page 127 MTZ 1220.1/1220.3 Section G. Operating instruction on the tractor or when hitching the Note: For HLL with hydraulic lift the lift trailed equipment to the tractor by linkage is bringed to the lower position means of the draft hitch, make sure that...
  • Page 128 MTZ 1220.1/1220.3 Section G. Operating instruction Universal drawbar hitch mechanism The towing device for work with two-axle trailer consists of the towing jaw (5) with the pivot (6). The jaw body is connected with the plates (4) which enter the slot of the guiding side pieces (3, 7) and fixed by means of four pins (12).

  • Page 129: Section H. Adjustments

    MTZ 1220.1/1220.3 Section H. Adjustments Section H. ADJUSTMENTS Front wheel track adjustment The front wheel track is adjusted stepwise both by displacing the wheels from one sideboard to the other, and by changing a position of the wheel disk relative to the rim.
  • Page 130 MTZ 1220.1/1220.3 Section H. Adjustments Table H-1 continued Tractor track Variants of mounting the Disk offset Description of mounting disk and the rim Х, mm method К, mm (tire 420/70R24) The disk mates with the 1700 support outer surface. The disk mates with the 1800 support inner surface.
  • Page 131 “Scheduled maintenance” of the present manual. To check and, if necessary, adjust the front wheels toe-in of the MTZ - 1220.1/1220.3 tractors (fig. H-1), proceed as follows: - установите требуемое давление в шинах в соответствии с указаниями настоящего руководства;...

  • Page 132: Rear Wheel Track Formation

    { | y y z z { { | | y z { | y z { | MTZ 1220.1/1220.3 Section H. Adjustments Rear wheel track formation 1. Jack up the rear part of the tractor so that the wheels leave the ground.
  • Page 133 MTZ 1220.1/1220.3 Section H. Adjustments Doubled rear wheels track sizes Fig. H-3. Installation scheme of doubled rear wheels with spacer for rows of 450 mm or 700 mm: 1 — wheel; 2 — nut; 3 — bolt; 4 — spacer; 5 — hub; 6 — elongated bolt.
  • Page 134 MTZ 1220.1/1220.3 Section H. Adjustments FDA adjustments Checking adjusting preload drive pinion tapered bearings - measure the axial play in the bearings of The bearings must be adjusted so the pinion. When there is a play, ensure the that the preload in the driving pinion desired bearing preload using the adjusting bearings be from 0,01 to 0,04 mm.
  • Page 135 MTZ 1220.1/1220.3 Section H. Adjustments Checking and adjusting side clearance in main set Adjust the side clearance in the mesh drive pinion axle to the mounting surface with the differential bearings adjusted. The of the pinion (4). side clearance between the final drive When measuring the side clearance, teeth must be from 0.18 to 0.46 mm,...
  • Page 136 MTZ 1220.1/1220.3 Section H. Adjustments Checking and adjusting axial preload in pivot tapered bearings Prior to adjusting the axial preload in - check the tightening force of the the pivot tapered bearings (7) (Fig. H-5a), lower axle bolts (180 to 200 N•m);...
  • Page 137 MTZ 1220.1/1220.3 Section H. Adjustments cranking of the joint, the FDA must hang so that the front wheels be able to rotate. 1, 7, 8, 11, 12 — tapered roller bearing; 2 — adjusting shims; 3 — barrel, 4, 9 — swivel pivot axle;...
  • Page 138 MTZ 1220.1/1220.3 Section H. Adjustments Adjusting FDA reducer turn angle The maximum rotation angle of the reducer rect motion is 40°. Adjust using the screw (2). housing (1) (Fig. H- 5b) from the position of di- Lock the screw with the locknut 3.
  • Page 139 MTZ 1220.1/1220.3 Section H. Adjustments Adjusting FDA drive switch Adjusting FDA drive switch Fig. H-6. If FDA doesn’t switch on in the automatic use control lamp, or an alarm on the con- mode, or if it’s necessary to replace the...
  • Page 140 MTZ 1220.1/1220.3 Section H. Adjustments Checking adjusting brake valve pneumatic system Check and, if necessary, adjust the pneumatic system brake valve drive after completion of adjustment of the service brake control and adjustment of the parking- - if the brake valve drive is properly ad- reserve brake control.
  • Page 141 MTZ 1220.1/1220.3 Section H. Adjustments Fig. H-7 Checking and adjusting brake valve drive of pneumatic drive Check and, if necessary, adjust the - check and adjust as necessary pre- pneumatic system brake valve two- compression of the spring (3) to a size of cable drive as follows.
  • Page 142 MTZ 1220.1/1220.3 Section H. Adjustments Checking and adjusting pneumatic system pressure regulator Checking and adjusting is performed Adjust the pneumatic system pressure only on tractors equipped with an air pres- regulator as follows: sure regulator 80-3512010. The label tag - gradually unscrewing the cover (2) with the regulator number is located on (Figure 5.8.1), adjust the force of the...
  • Page 143 MTZ 1220.1/1220.3 Section H. Adjustments Installation, dismantling and adjustment of coupling clutch 1. Dismantling the coupling clutch from the engine. Attention: Before starting to dismantle pressure disk 4 (figure K-9) through the the clutch coupling it is recommended that manufacturing orifices of the back plate 7...
  • Page 144 MTZ 1220.1/1220.3 Section H. Adjustments 2. Installation of the clutch coupling on the flywheel The clutch coupling is installed on the - mount two bushings 7 of middle length flywheel as follows: on the other three flywheel pins. - mount a splined workholder (fig. K-10) - mount the second driven disk 2 on the in the bearing of the flywheel.
  • Page 145 MTZ 1220.1/1220.3 Section H. Adjustments PTO adjustments Checking wear of PTO brake band linings The external sign indicating the front and behind. Check the oil pressure in degree of wear of PTO brake belt linings the PTO control system. It must be min.
  • Page 146 MTZ 1220.1/1220.3 Section H. Adjustments 1 — lever; 2 — auxiliary bolt; 3 — locking plate; 4 — bolt, 5 — eccentric axle; 6 — adjustment bolts; 7 — rod; 8 — locking plate; 9 — cylinder. Fig. H-12 — PTO adjustments...

  • Page 147: Coupling Of Implements

    The MTZ tractors are equipped with stan- dard lift linkages and drawbar hitches and • The tractor-mounted ones are to be also with mounted holes and provide all attached to the tractor’s three-point...
  • Page 148 MTZ 1220.1/1220.3 Section I. Coupling of implements Lift linkages and drawbar hitches Rear lift linkage LL-2 (3) Implements: mounted ones (ploughs, cultivators, seeders, milling cutters, etc.), semi- mounted ones (ploughs, soil-cultivating machines, seeders, potato harvesters, etc.).
  • Page 149 MTZ 1220.1/1220.3 Section I. Coupling of implements Rear LL-2 (3) Characteristics Front LL-2 cat. 2 cat. 3 Lower links solid or telescopic composite Lower links length: solid, mm Links hinges width: upper, mm lower, mm 38 or 45 38 or 45...
  • Page 150 MTZ 1220.1/1220.3 Section I. Coupling of implements Drawbar hitch DH-2 (yoke) Implements: semi-trailers (semi-trailers, fertilizer machines, etc.), trailers (disk harrows, soil-cultivators, hulling machines, coupling of harrows, cultivators, seeders, etc.). Fig. I-8. Towing drawbar Yoke with a possibility of vertical move-...
  • Page 151 MTZ 1220.1/1220.3 Section I. Coupling of implements Drawbar hitch DH-3V (yoke) Implements: trailers (motor-type double-axle trailers, etc.), semi-trailers (the same as for a DH-1). Fig. I-9. Towing drawbar Yoke rotatable with a possibility of ver- tical movement 354…874 или Distance between the clevis and a supporting surface, 508…1028 (with yoke turn)

  • Page 152: Drawbar Hitch Dh-1М-01 (Draw Bar)

    MTZ 1220.1/1220.3 Section I. Coupling of implements Drawbar hitch DH-1М-01 (draw bar) Implements: semi-trailers (the same as for a DH-2В and a DH-3V), trailers (the same as for a DH-2V and a DH-3V). Fig. I-10. Towing drawbar A yoke with a possibility of a position...
  • Page 153 MTZ 1220.1/1220.3 Section I. Coupling of implements The rear hitch linkage НУ-2(3) is made to heating of the hydraulic system, the oper- Cat. 2, with a potential of being readjusted ating pressure shall not exceed 11 MPa to Cat. 3. With this purpose the tractors...
  • Page 154 MTZ 1220.1/1220.3 Section I. Coupling of implements Lifting device has connecting yokes cor- seed planter in the rear, etc.), for mount- responding to DH-2V и DH-3V according ing the echeloning implements (forward to the purpose. Yoke of DH-2В is located...
  • Page 155 MTZ 1220.1/1220.3 Section I. Coupling of implements Tractor: PTO shaft end Machine: PIS bushing PTO 1C (8 splines) PTO 1 (6 splines) PTO 2 (21 splines) Fig. I-11. Rotational speed, rpm Transmitted Shank type power, kW (h.p.) diesel engine PTO 1с...
  • Page 156 MTZ 1220.1/1220.3 Section I. Coupling of implements I 10 Schemes of attachment A cardan shaft length is deter- mined by distance L (the shaft is entirely moved) at horizontal posi- tion of the lower rods. A shaft lengthening is effected when lifting...
  • Page 157 MTZ 1220.1/1220.3 Section I. Coupling of implements Cardan shaft installation Installation of a cardan shaft with a protective casing in combination with protective cover ensures safety of the connection (Fig. I-15а). End clevises should be in the same plane (Fig. I-15b).
  • Page 158 MTZ 1220.1/1220.3 Section I. Coupling of implements I 12 PTO Drive without Cardan Shaft PTO casing Attached machine * The dimensions attributed to the attached machines. Fig. I-16. A number of units can be installed on the PTO directly, without a cardan shaft (re- duction gear boxes.
  • Page 159 MTZ 1220.1/1220.3 Section I. Coupling of implements Tractor loading One of the wide spread means of formation of hardly dissoluble clots of coupling is a mounted one through a rear calcium chloride. lift linkage. Here there is a necessity to provide the MTA with stiffness without worsening of tractor steerability.
  • Page 160 Продольная устойчивость ц.м. машины до оси подвеса – Longitudinal stability of central mass of the im- plement to the suspension axis. Масса агрегатируемой машины - Weight of the implement coupled Fig. I-18. Longitudinal stability of MTU based on tractor MTZ 1220.1/1220.3...
  • Page 161 MTZ 1220.1/1220.3 Section I. Coupling of implements...
  • Page 162 MTZ 1220.1/1220.3 Section I. Coupling of implements I 16 Controllability criterion at implement coupl- ing through DH is achieved without front Received loads on tractor and imple- ballast. The ballast can be used for im- ments` driving machines, used in the...
  • Page 163 MTZ 1220.1/1220.3 Section I. Coupling of implements Tires inflation IMPORTANT! If pressure in a balloon exceeds 7,7 kgf/cm , the compressor is Inflate the tires using an air bleed valve of switched over to idling by a pressure reg- a pressure regulator (1) in the following...
  • Page 164 It is possible to couple mounted ploughs provided that ploughing was started and of Cat. 3 tractors running outside the fur- finished according to the given schemes. row with MTZ 1220.1/1220.3. With that corresponding adaptation plough The type of the plough, the grip width mounting mechanism is required.
  • Page 165 MTZ 1220.1/1220.3 Section I. Coupling of implements Diagram of Wheel Arrangement for Aggregating the Tractor with 5...7-Furrow Ploughs The tractor wheels are in the furrow Fig. I-19. To obtain the wheel track figure, it is necessary to add the cross section of a respective tyre to the dimensions A and B.
  • Page 166 MTZ 1220.1/1220.3 Section I. Coupling of implements I 20 Field flatting during operation with ordinary ploughs Fig. I-21. Fig I-22. Fig I-23. Second pass. Third pass. First pass. Right tractor wheel is in a Right tractor wheel is in Only three plough shares furrow.
  • Page 167 MTZ 1220.1/1220.3 Section I. Coupling of implements Hauling operations Before transportation of mounted imple- ments it is necessary to install upper link Actually for the half of the time of its op- to the lower hole in a bracket of rear LL-2...
  • Page 168 MTZ 1220.1/1220.3 Section I. Coupling of implements I 22 Installation of mounted equipment coupling mounted equipment The plates are designed for reinforcement (spraying machine reservoirs, loaders, of semi-frame and are an integral part of a haystackers and etc.) there is a number of tractor.

  • Page 169: Section J. Possible Failures

    MTZ 1220.1/1220.3 Section J. Possible failures М1 POSSIBLE FAILURES GUIDELINES Section J. TROUBLESHOOTING Defect, external manifestation Way of elimination DIESEL ENGINE Diesel engine doesn't start Air in fuel system. Pump over system by means of pump of manual fuel pumping. Remove air inflow in fuel system.
  • Page 170 MTZ 1220.1/1220.3 Section М. Possible failures М2 Defect, external manifestation Way of elimination B. White fume is emitted from the exhaust pipe Diesel engine is not heated. Warm up the diesel engine; maintain the cool- ing liquid temperature within 75 - 95°C during operation.
  • Page 171 MTZ 1220.1/1220.3 Section J. Possible failures М3 Defect, external manifestation Way of elimination Oil pump is defective. Reveal defects and eliminate. Oil level in diesel engine case is below ad- Add oil up to top label of oil meter core.

  • Page 172: Gear Box, Back Axle

    MTZ 1220.1/1220.3 Section М. Possible failures М4 Defect, external manifestation Way of elimination Coupling Coupling slips There is no pedal free travel. Adjust pedal free travel. Linings of driven disks are worn-out. Replace linings or assembled driven disks. The clutch is not disengaged fully Increased pedal free travel.

  • Page 173: Front Driving Axle

    MTZ 1220.1/1220.3 Section J. Possible failures М5 Defect, external manifestation Way of elimination • Relief or failure of squeezing springs Replace springs. of pedals, working cylinders, press- ing discs. Differential block does not work Clutch discs are greasy. Eliminate oil running, wash out the disks.
  • Page 174 MTZ 1220.1/1220.3 Section М. Possible failures М6 Defect, external manifestation Way of elimination Noise at maximum angle of wheels rotation Wrong operation mode of front driving axle. Check mode of inclusion of FDA drive and Front driving axle works in compulsory install switch in position “switched off”...
  • Page 175 MTZ 1220.1/1220.3 Section J. Possible failures М7 Defect, external manifestation Way of elimination Steering wheel rotates without turn of steerable wheels Insufficient level of oil in oil tank. Fill a tank up to demanded level and pump over hydrosystem for air removal.
  • Page 176 MTZ 1220.1/1220.3 Section М. Possible failures М8 Defect, external manifestation Way of elimination Ingress of foreign particles under the spool Remove the cover from the regulator- edge. distributor, set the position handle to the foremost position. The spool valve lock ring shall rest against the body of the regulator- distributor.

  • Page 177: Electrical Equipment

    MTZ 1220.1/1220.3 Section J. Possible failures М9 Defect, external manifestation Way of elimination Position of position handle on digits “1” and “9” does not correspond to transport and extremely low position of mounted implement Adjustment of positional cable in drive is By rotation of nuts, fixing frame of positional disturbed.

  • Page 178: Block Of Heating And Cooling Of Air In Cabin

    MTZ 1220.1/1220.3 Section М. Possible failures М10 Defect, external manifestation Way of elimination After starting diesel engine starter remains in engaged position Power disk has sticked to contact bolts of Stop diesel engine, switch off battery by starter relay. switch of “mass” and smooth out contacts of solenoid starter switch.
  • Page 179 MTZ 1220.1/1220.3 Section J. Possible failures М11 Defect, external manifestation Way of elimination • Filter is clogged Wash out filter. Pressure in receiver rise slowly Air outflow through compressor valves. Remove head of compressor, clean valves and seats from coke formation.
  • Page 180 MTZ 1220.1/1220.3 Section М. Possible failures М12 Defect, external manifestation Way of elimination and bottom cover, outlet holes in cover are gap availability. littered. There is no air supply in connecting hose through air takeoff valve Rod of air takeoff valve in regulator of pres- Screw a nut on the union of connecting sure is insufficiently sunk.

  • Page 181: Scheduled Maintenance

    MTZ 1220.1/1220.3 K. Scheduled technical maintenance SCHEDULED MAINTENANCE Section K Maintenance service (MS) is necessary to Refill capacities, l keep the tractor in good condition during operation. Engine crankcase / lubrication Failure to maintain the prescribed fre- 12±0,12 system quency and low quality of MS results in a...
  • Page 182 MTZ 1220.1/1220.3 K. Scheduled technical maintenance Maintenance after running-in (30 service hours) 1. Inspect and wash the tractor. Check operation of the engine, steering, brakes, controls, illumination and 2. Listen how all components of the trac- signaling systems (Operation 6).
  • Page 183 MTZ 1220.1/1220.3 K. Scheduled technical maintenance Maintenance table Nos. of Interval, every hrs Contents of works operations 1000 2000 total Oil level in diesel engine Х Coolant level in diesel engine Х 2а Air-conditioner maintenance * Х Х Oil level in hydraulic system tank 3а...
  • Page 184 MTZ 1220.1/1220.3 K. Scheduled technical maintenance Table, continued Interval, every hrs Nos. of operations Contents of works 1000 2000 total Batteries Х Filter of the air pressure regulator in the pneumatic system Х tightness of pneumatic system lines Х Replace the oil filter of the hydraulic sys- tem ** Х...
  • Page 185 MTZ 1220.1/1220.3 K. Scheduled technical maintenance Providing access to components for maintenance Before starting maintenance work open tractor hood by: • Shifting handle 1 towards an arrow, open a hood and set a link 2 into a bracket 3 slot.
  • Page 186 MTZ 1220.1/1220.3 K. Scheduled technical maintenance Scheduled maintenance op- erations After every service 10 hours or daily (whichever is earlier) Operation 1. Oil level in diesel engine Check the oil level, installing the tractor on an even surface and not earlier than 3-5...
  • Page 187 MTZ 1220.1/1220.3 K. Scheduled technical maintenance Operation 2. Coolant level in engine Caution! The engine cooling system operates under pressure which is main- tained by a valve in the heat exchanger cap. It is dangerous to remove the cap on a hot engine. Let the engine cool...
  • Page 188 MTZ 1220.1/1220.3 K. Scheduled technical maintenance Operation 3. Oil level in hydraulic sys- tem tank Before you check the oil level, install the tractor on a flat, horizontal surface. Stop the engine and brake the tractor with the parking brake.

  • Page 189: After Every 125 Service Hours

    MTZ 1220.1/1220.3 K. Scheduled technical maintenance Operation 5. Discharge condensate from cylinders of the pneumatic system Pull the ring (1) towards and up, open the valve and hold it open until the complete condensate and dirt are fully discharged. Discharge condensate from the two cy- linders on the left and right sides of the tractor.
  • Page 190 MTZ 1220.1/1220.3 K. Scheduled technical maintenance Operation 8. Check generator drive belt tension The generator belt tension is deemed normal if the deflection of its branch be- tween the pulleys of the crankshaft and the generator is 30 to 33 mm when it is pushed with a force of 40 N.
  • Page 191 MTZ 1220.1/1220.3 K. Scheduled technical maintenance Оperation 12. Servicing air purifier «Donaldson» Use clogging indicator to control clog- ging of filtering elements of the air purifier. With excessive clogging an alarm lamp on instrument panel lights. Make service of the air purifier in the fol- lowing order: •...
  • Page 192 MTZ 1220.1/1220.3 K. Scheduled technical maintenance use open flame and air with temperature above +70°С for drying. Direct air flow at an angle to the surface of a filtering element. During servicing protect ATTENTION: do not blow off MFE with...

  • Page 193: After Every 250 Service Hours

    MTZ 1220.1/1220.3 K. Scheduled technical maintenance After every 250 service hours Perform the previous MS and the following operations: Operations 13. Centrifugal oil filters of • Remove the nut (1) and cap (2). • Insert the screwdriver (5) or a rod be-...
  • Page 194 MTZ 1220.1/1220.3 K. Scheduled technical maintenance Operation 14 Check the oil level in the hub casings and FDA final drive Check the oil level: • In the hub casings (left and right). As necessary, add oil to the level of the check-filler hole plugged with the plug (1).
  • Page 195 MTZ 1220.1/1220.3 K. Scheduled technical maintenance Operation 16. Change engine oil • Warm up the engine to its normal oper- ating temperature (70°C min.). • Install the tractor on an even surface, stop the engine and brake the tractor with the brake.
  • Page 196 MTZ 1220.1/1220.3 K. Scheduled technical maintenance Operation 17. Replace the engine oil For the first-time change, use filtering ele- filter (performed simultaneously oil ment 245-1017060, spacers 260- change) 1017036,100-4-4-1b, anti-drainage valve 2101-1012009-ММZ, enclosed in di- esel spare parts accessories Instead of centrifugal oil filter, diesels kit.
  • Page 197 MTZ 1220.1/1220.3 K. Scheduled technical maintenance Instead of built-up filter 245-1017030 with replaceable paper filtering element, one may install permanently sealed filter- cartridges, including anti-drainage and by- pass valves with dimensions in diameter - 95...105 mm; height -140...160 mm; mating thread -3/4-16 UNF.
  • Page 198 MTZ 1220.1/1220.3 K. Scheduled technical maintenance Оperation 19. Lubricating bearing of clutch shifter • Take off plug (1) on the left side of clutch casing. • Using syringe make 4…6 injections of grease LITOL-24 grease screwed in shifter casing for lubrication of squeeze bearing.

  • Page 199: After Every 500 Service Hours

    MTZ 1220.1/1220.3 K. Scheduled technical maintenance After every 500 service hours Perform the operations of the previous MS and the following ones: Оperation 22. Checking clearance be- tween valves and rockers Note: Check clearances on cold diesel, having in advance checked tightness of cylinders’...
  • Page 200 MTZ 1220.1/1220.3 K. Scheduled technical maintenance Оperation 23. Check oil level in the wet brake housings • Check oil level in the left and right housings. The oil level must be up to the lower edge of the check-fill hole plugged...
  • Page 201 MTZ 1220.1/1220.3 K. Scheduled technical maintenance Оperation 24. Adjust free travel of the IMPORTANT! Make sure that the clutch clutch pedal pedal always safely returns up to stop against the floor in the area of pedal free Free travel of the clutch pedal must be 30 movement.
  • Page 202 MTZ 1220.1/1220.3 K. Scheduled technical maintenance Оperation 26. Brake pedal and parking brake lever travel The full travel of the right service brake pedal under a force of 120 N on the ped- als must be 115 to 125 mm. Otherwise, adjust the brakes as follows: •...
  • Page 203 MTZ 1220.1/1220.3 K. Scheduled technical maintenance Before adjusting the parking brake, install the tractor on an even surface, stop the engine and lock the rear wheels from front and rear: • Shift the lever (1) to the extreme front (off) position.
  • Page 204 MTZ 1220.1/1220.3 K. Scheduled technical maintenance Оperation 27 Batteries CAUTION! The batteries contain sulfur- ic acid that causes severe burns in case of skin exposure. Avoid exposure of hand skin, eyes and clothing to the acid. When the acid gets onto external body parts, rinse them with a strong jet of pure water.
  • Page 205 MTZ 1220.1/1220.3 K. Scheduled technical maintenance Оperation 28. Filter of the air pressure regulator in the pneumatic system To clean the filter element: • Remove the bolts (1) and cover (2). • Take out the filter element, wash it in detergent solution and blow with com- pressed air.
  • Page 206 MTZ 1220.1/1220.3 K. Scheduled technical maintenance Оperation 30. Replace the oil filter of the hydraulic system Note: Perform subsequent replace- ments of the oil filter in the hydraulic system every 1,000 service hours. • Remove the screws (2), cover (1) and take out the filter element assembly us- ing the stop (4).
  • Page 207 MTZ 1220.1/1220.3 K. Scheduled technical maintenance Operation 31. Clean the cab heating and ventilation system filter Direct the air jet through the filter in the direction opposite to the normal flow as Note: In wet conditions, such as in the...
  • Page 208 MTZ 1220.1/1220.3 K. Scheduled technical maintenance Operation 34. Check bearings of FDA reducer kingpin axles Check and if necessary adjust the bear- ings (7) of the axles (5, 14) as described in the section “Adjustments” Operation 34а. Replace filter ATTENTION: for replacement of the drain.
  • Page 209 MTZ 1220.1/1220.3 K. Scheduled technical maintenance Operation 36. Clean engine fuel coarse filter Rinse the engine fuel coarse filter, per- forming the following operations: • Shut off the fuel tank valve. • Unscrew the screws (1) fastening the carrier (3) and remove the bowl.
  • Page 210 MTZ 1220.1/1220.3 K. Scheduled technical maintenance Operation 37. Change filter elements of fine fuel filter 1 – filter ФТ020-1117010; 2 –housing; 3 – Fine fuel filter service life depends on bracket; 4 - plug (for sediment drain); 5- purity of fuel used.
  • Page 211 MTZ 1220.1/1220.3 K. Scheduled technical maintenance Operation 38. Check play in the steer- ing link joints Note: If tightening of threaded plugs does not eliminate a gap in the joints, disassemble the joint and replace worn When the engine is running, turn the parts.
  • Page 212 MTZ 1220.1/1220.3 K. Scheduled technical maintenance Operation 40. Change oil in the trans- mission housings, hydraulic system oil tanks, HSU and wet brake housings Before changing oil, operate the tractor to warm up the transmission and hydraulic system oil. • Install the tractor on an even surface,...
  • Page 213 MTZ 1220.1/1220.3 K. Scheduled technical maintenance Operation 41. Change oil in the FDA fi- nal drive and wheel reduction gears • Operate the tractor and warm up the oil in the FDA housings. • Install the tractor on an even, hori- zontal surface.
  • Page 214 MTZ 1220.1/1220.3 K. Scheduled technical maintenance Operation 44. Check injectors IMPORTANT! The injectors must be cleaned and adjusted by a qualified ex- pert in shop. Caution! Diesel fuel going out from the injector under a high pressure can pe- netrate deeply into the skin tissue of the hand resulting in serious injuries.
  • Page 215 MTZ 1220.1/1220.3 K. Scheduled technical maintenance Operation 45. Generator • Loosen the bolts (1) and (2), turn the generator in the direction of the engine unit and remove the generator drive belts (4) from the pulley (3). • Check free rotation of the rotor and wear of the bearings.

  • Page 216: After Every 2,000 Service Hours

    MTZ 1220.1/1220.3 K. Scheduled technical maintenance After every 2,000 service hours Perform the operations of the previous MS and the following ones: Operation 47. Diesel engine starter • Clear starter from dirt and dust. • Remove screws (1) and cap (2).
  • Page 217 MTZ 1220.1/1220.3 K. Scheduled technical maintenance Operation 49. Generator Seasonally determined adjustment of ge- nerator voltage shall be carried out by screw (1), located on back cover of gene- rator (“З-Л”). *) If it is provided by generator design. Operation 50. Flush the cooling system To flush, use a solution of 50-60 g of so- dium carbonate and 1 liter of water.

  • Page 218: Overall Maintenance

    MTZ 1220.1/1220.3 K. Scheduled technical maintenance Overall maintenance Operation 52. Adjust oil pressure in the engine lubricating system If the oil pressure in the lubrication system of a warmed-up engine at a rated crank- shaft speed is below 0.28 MPa (2.8 kgf/cm²), stop the engine and correct the...
  • Page 219 MTZ 1220.1/1220.3 K. Scheduled technical maintenance Operation 54. Maintenance of the cab ventilation and heating system For efficient operation of the ventilation and heating system, perform the following operations: 1. After pouring a cooling fluid (water) into the cooling system, start the engine and...
  • Page 220 MTZ 1220.1/1220.3 K. Scheduled technical maintenance Seasonal maintenance Combine seasonal maintenance with ance operations necessary during sea- regular maintenance operations. Mainten- sonal maintenance are listed Table below. Seasonal maintenance Substance of works During transition to autumn-winter season During transition to spring-summer season...

  • Page 221: Tractor Transportation And Its Towing

    MTZ 1220.1/1220.3 Section L.Tractor transportation TRACTOR TRANSPORTATION AND ITS TOWING Section L Tractors are transported by railway, au- shown on figure L-1. If you fasten ropes to to transport, on trailers, by towing and un- the eyebolt (1), run load-handling device der own power.

  • Page 222: Section M. Tractor Storage

    MTZ 1220.1/1220.3 Section M1. Tractor storage and blow round with compressed air the TRACTOR Section M. electric equipment (headlights, alternator, STORAGE starter, storage batteries), cover the ter- minals with protective lubricant. Tractors must be stored according to the recommendations of GOST 7751-85 When preparing the tractor to long-term indoors or under shed.
  • Page 223 Беларус 1220.1/1220.3 Раздел Х. Хранение трактора Х2 tive composition or wrap around with in- sulating material (such as waxed paper, Requirements to long-time storage of polyethylene film, etc.). machines on open yards To ensure free exit of water and con-...
  • Page 224 MTZ 1220.1/1220.3 Section M1. Tractor storage 5888. Material consumption is 0.1 kg per KOR, Grade A as per TU RB 600125053- tractor. 020-2004. Units (such as heat exchanger and fuel tank necks, breathers, cylinder rods) are Preparation of tractor for operation af- sealed using covers of polyethylene film.
  • Page 225 Беларус 1220.1/1220.3 Раздел Х. Хранение трактора Х4 sonal hygiene rules, timely deliver protec- tive garment to cleaning, do not wash it in emulsion, solvents, and kerosene. Pre- servation materials are moderately ha- zardous to human health, thus, use the recommended...
  • Page 226 MTZ-1220.1/1220.3 Section N1. Tractor disposal У1 TRACTOR DISPOSAL Section N. • When • dismantling of parts and assembly disposing tractor upon expiration of service (operation) life, it is units, air-conditioning system (if installed) necessary to: must be performed only by trained per- •...
  • Page 227 MTZ 1220.1/1220.3 Section An1. Annexes . ANNEXES Section An Advisable fuels, oils, lubricants and special fluids for tractors MTZ -1220.1/1220.3 Table An1 Name and grade of fuel/lubricant 1 Fuels 1.1 Fuel tank At ambient temperature of 0°C and above Refil-...
  • Page 228 MTZ 1220.1/1220.3 Section An1. Annexes An 2 Table An1, continued Oils 2.1 Diesel Summer (12,0 engine oil Motor oil Motor oils Castrol Turbo- ±0,1 crank- max SAE 15W- Lukoil- M-10DM, M- case Avangard D-245.2S2 Hessol Turbo SAE 15W-40 GOST 8581-...
  • Page 229 MTZ 1220.1/1220.3 Section An1. Annexes 2.4 Brake hous- Engine oil Engine oil Engine oil Engine oil (2,5±0,1) sea- 1220.1/1220.3 М-10Г М-10В is the same is the same sonal up to the With wet GOST 8581- GOST 8581- brakes level filled in the...
  • Page 230 MTZ 1220.1/1220.3 Section An1. Annexes An 4 Table An1, continued Greases Once Applied by Cooling sys- Lubricant None None Shell Alva- 0,05 manufac- pump Litol-24-MLi nia, Shell ±0,003 turer, not to (bearing 4.12-Z Tivela refill during cavity) GOST operation 21150-87...
  • Page 231 MTZ 1220.1/1220.3 Section An1. Annexes End of table An 1 Special fluids Coolant MIL-F-5559 Engine Cold-proof coo- None (22,5±0,2) Once 150), cooling lant OZH-40 every (USA) system Tosol Dzerzhinsky (to minus 40°С) TC-40 (to minus years OZH-65 FL-3 Sort S- 40°C)
  • Page 233 Схема электрическая системы управления Electric circuit diagram of control of DL, FDA, БД, ПВМ и ВОМ тракторов Беларус PTO shaft and reducing gear of tractors MTZ с КП with gearbox Панель управления БД, ПВМ и ПВОМ Control panel of DL, FDA, PTO front shaft К...
  • Page 234 MTZ 1220.1/1220.3 Section P. Appendices Electric circuit diagram of control of DL, FDA, PTO shaft and reducing gear of tractors MTZ- 1220.1/1220.3 (with gearbox 24x12) Lists items of the electric circuit diagram Table P2 Designation Name Q-ty Note A1…A4 Electromagnet of discrete hydraulic distribution valve...
  • Page 235 Connectors of AMP company XS2.1…XS2. Female socket 0-0282189-1 double-contact black socket XS2.4 Female socket 0-0282189-2 double-contact grey socket XP2.5, XS2.6 Female socket 0-0282189-4 double-contact green socket XS2.7 Female socket 0-0282189-7 double-contact yellow socket XP3.1, XS3.2 Female socket 0-0282191-1 tripple-contact black socket XP14.1 Cable plug 0-0182649-1 XS14.1...
  • Page 237 Схема электрическая системы управления Electric circuit diagram of control of DL, FDA, БД, ПВМ и ВОМ тракторов Беларус PTO shaft and reducing gear of tractors MTZ Панель управления БД, ПВМ, ПВОМ и Control panel of DL, FDA, PTO front shaft редуктором...
  • Page 238 MTZ 1220.1/1220.3 Section P. Appendices Electric circuit of connections “MTZ 626/826/926/1220.1/1220.3” Lists items of the electric circuit diagram Table P2 Designation Name Q-ty Note Cassette radio recorder А2 Spark plugs Control panel А4 Air conditioner A4.1 Air processing unit Air conditioner kit A4.1.1...
  • Page 239 MTZ 1220.1/1220.3 Section P. Appendices Table P2 continued Designation Name Q-ty Note F1…F4 Fuse blocks Fuse Cassette recorder set FU2,FU3 Fuse link 25 A Generator 14V,1150 W GB1,GB2 Storage battery 12V, 88 Ah. НА1 Beep НА2 Signal relay switch HG1,HG2 Pilot lamp unit HL1...HL3...
  • Page 240 MTZ 1220.1/1220.3 Section P. Appendices Table P2 continued Designation Name Q-ty Note Manual battery switch 24V Fan motor ballast resistor Roadtrain sign lamp switch SA2,SA3,SA11 Headlight switch Fan switch Windscreen wiper switch Starter switch with start lock Combined switch Ground switch...
  • Page 242 Схема электрическая соединений Electric circuit of connectors Реле свечей накаливания Glow plug relay Прерыватель указателей поворота turn indicator flasher Реле питания приборов instrument power relay Реле блокировки питания Interlocking relay Реле стартера Starter relay Блок свечей накаливания Glow plug block Реле...
  • Page 244 Варианты исполнений versions вариант variant С системой пуска 12 В With starting system 12 V С ручным выключателем массы With manual battery disconnect switch С кондиционером With conditioner С маяком сигнальным With signal beacon С электрофакельным подогревателем With glow plug С...

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