Robin EH09D Service Manual
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Robin EH09D Service Manual

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SERVICE
MANUAL
Models
EH09,
EH12-2 Rammer
ENGINES
PUB-ES1330
Rev. 12/01

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  • Page 1 SERVICE MANUAL Models EH09, EH12-2 Rammer ENGINES PUB-ES1330 Rev. 12/01...
  • Page 2 940 Lively Blvd. • Wood Dale, IL 60191 • Phone: 630-350-8200 • Fax: 630-350-8212 e-mail: sales@robinamerica.com • www.robinamerica.com © Copyright 2001 Robin America, Inc.

  • Page 3: Table Of Contents

    6-1 OPERATION AND FUNCTION ..................46 6-2 BASIC THEORY ......................46 6-3 WIRING DIAGRAM ....................... 48 7. AUTOMATIC DECOMPRESSION SYSTEM ............. 49 8a. FLOAT TYPE CARBURETOR (EH09D) ..............50 8a-1 OPERATION AND CONSTRUCTION ................50 8a-2 DISASSEMBLY AND REASSEMBLY................51...
  • Page 4 Section Title Page 8b. FLOAT TYPE CARBURETOR (EH12-2D) ............. 53 8b-1 OPERATION AND CONSTRUCTION ................53 8b-2 DISASSEMBLY AND REASSEMBLY................54 8c. DIAPHRAGM TYPE CARBURETOR (OPTION) ........... 56 8c-1 OPERATION AND CONSTRUCTION ................56 8c-2 DISASSEMBLY PROCEDURE ..................59 8c-3 INSPECTION PROCEDURE ..................59 8c-4 REASSEMBLY PROCEDURE ..................60 8c-5 DIAPHRAGM CARBURETOR ADJUSTMENT METHOD ..........

  • Page 5: Specifications

    1. SPECIFICATIONS - r i n i l , t f n i l ・ ・ n i l n i l e l i y t i ) . l , t f e l i n i l ・...
  • Page 6 - r i n i l , t f n i l ・ ・ n i l n i l e l i y t i ) . l , t f e l i n i l ・ ・ y t i d i l l i o...

  • Page 7: Performance

    2. PERFORMANCE 2-1 MAXIMUM OUTPUT The maximum output is the output of an engine with its throttle valve fully opened and considering that all the moving parts are properly broken in. A new engine may not produce full maximum output while its moving parts are still not broken-in. NOTE : Power curves shown in the following charts are made in conformity with SAE internal combustion engine standard test code J1349.

  • Page 8: Performance Curves

    2-4 PERFORMANCE CURVES EH09D N・m kgf・m MAXIMUM TORQUE HP kW MAXIMUM HORSEPOWER CONTINUOUS RATED HP RECOMMENDED HORSEPOWER RANGE 2000 3000 4000 REVOLUTION r.p.m. - 4 -...
  • Page 9 EH12-2D N ・ m   kgf ・ m MAXIMUM TORQUE MAXIMUM HORSEPOWER CONTINUOUS RATED HP RECOMMENDED HORSEPOWER RANGE 2000 3000 4000 REVOLUTION      r.p.m. - 5 -...

  • Page 10: Features

    3. FEATURES 1. The EH09D and EH12-2D engines are designed exclusively for rammers. Optimum lubrication and better inclined operation are obtained thanks to upright cylinder design. 2. Easy operation These engines, with its upright cylinder, reduce swinging moment and achieved easier operation for rammers.

  • Page 11: General Description Of Engine Components

    4. GENERAL DESCRIPTION OF ENGINE COMPONENTS 4-1 CYLINDER AND CRANKCASE The cylinder and crankcase is a single piece alu- minum die-casting. The cylinder liner, made of special cast iron, is molded into the aluminum casting. The crankcase has a mounting surface on the out- put shaft side, where the main bearing cover is attached.

  • Page 12: Connecting Rod And Piston

    The piston is an aluminum alloy casting, and car- ries two compression rings and one oil ring. Model: EH09D 4-5 PISTON RINGS Model: EH12-2D The piston rings are made of special cast iron.

  • Page 13: Valve Arrangement

    The cylinder baffle leads cooling air to the exhaust valve area for the optimum cooling. EXHAUST INTAKE VALVE VALVE EXHAUST INTAKE VALVE VALVE Model: EH09D Model: EH12-2D Fig. 4-7a Fig. 4-7b 4-8 CYLINDER HEAD The cylinder head is an aluminum die-casting which utilizes wedge type combustion chamber for the high combustion efficiency. Fig. 4-8...

  • Page 14: Cooling System

    The carburetors are calibrated carefully for sure starting, good acceleration, less fuel consumption and maximum output. For details, refer to page 50, section “8a FLOAT CARBURETOR (EH09D)” or refer to page 53, section “8b FLOAT CARBURETOR (EH12-2D)”. FLOAT TYPE DIAPHRAGM TYPE As an optional part, diaphragm type is available.

  • Page 15: Air Cleaner

    URETHANE FOAM element system ; the primary one is an urethane CLEANER foam (semi-wet) and secondary one is a semi wet COVER type element. CLEANER BASE ELEMENT Model: EH09D Fig. 4-13a CLEANER BASE ELEMENT CLEANER COVER PLATE, AIR CLEANER ELEMENT SET Model: EH12-2D Fig.

  • Page 16: Sectional View Of Engine

    4-16 SECTIONAL VIEW OF ENGINE EH09D INTAKE VALVE CYLINDER HEAD EXHAUST VALVE MUFFLER PISTON PIN IGNITION COIL PISTON BLOWER HOUSING PISTON RING RECOIL STARTER P.T.O. SHAFT MAIN BEARING COVER ADAPTER ( FLANGE ) FLYWHEEL CRANKCASE Fig. 4-15 - 12 -...
  • Page 17 ROCKER COVER PUSH ROD CARBURETOR ROCKER ARM AIR CLEANER SPARK PLUG TAPPET CAMSHAFT CONNECTING ROD GOVERNOR LEVER SPEED CONTROL LEVER OIL GAUGE CRANKSHAFT PLUG STIFFENER Fig. 4-16 - 13 -...
  • Page 18 EH12-2D INTAKE VALVE EXHAUST VALVE CYLINDER HEAD IGNITION COIL PISTON BLOWER HOUSING PISTON PIN PISTON RING P.T.O. SHAFT MAIN BEARING COVER RECOIL STARTER FLYWHEEL CRANKCASE Fig. 4-17 - 14 -...
  • Page 19 ROCKER COVER PUSH ROD CARBURETOR ROCKER ARM AIR CLEANER SPARK PLUG MUFFLER TAPPET GOVERNOR LEVER CAMSHAFT CONNECTING ROD SPEED CONTROL OIL GAUGE LEVER PLUG CRANKSHAFT Fig. 4-18 - 15 -...

  • Page 20: Disassembly And Reassembly

    5. DISASSEMBLY AND REASSEMBLY 5-1 PREPARATIONS AND SUGGESTIONS 1) When disassembling the engine, memorize the locations of individual parts so that they can be reassembled correctly. If you are uncertain of identifying some parts, it is suggested that tags be attached to them.

  • Page 21: Disassembly Procedures

    5-3 DISASSEMBLY PROCEDURES . l i , y l l i o EH09D f i t STEP 1 OIL LEVEL GAUGE GASKET EH09D M8 WASHER : 4 pcs. OIL DRAIN M8 NUT PLUG : 4 pcs. GASKET M8 SPRING WASHER : 4 pcs.
  • Page 22 EH09D M4 TAPPING SCREW : 2 pcs. M6 x 12 FLANGE BOLT : 1 pce. M6 x 12 FLANGE STEP 4 STOP SWITCH BOLT : 2 pcs. M6 x 12 FLANGE BOLT : 3 pcs. CLAMP STEP 3 M6 x 8 FLANGE BOLT : 1 pce.
  • Page 23 EH09D l f f l f f n i l EH12-2D l f f l f f EH09D M6 x 12 BOLT AND M6 FLANGE NUT : 2 pcs. WASHER AY : 2 pcs. BLOWER HOUSING BRACKET CP 2 MUFFLER...
  • Page 24 EH09D PURSE LOCK BREATHER PIPE STEP 6 CLEANER BASE URETHANE FOAM ELEMENT CLEANER COVER M6 SELF LOCK NUT : 2 pcs. EH12-2D BOTTOM PLATE PLATE ( AIR CLEANER ) STEP 6 ELEMENT ELEMENT SET WASHER M6 NUT : 2 pcs.
  • Page 25 EH09D y l l M6 x 8 FLANGE BOLT : 2 pcs. STEP 9 SPACER SPEED CONTROL LEVER AY FRICTION WASHER M6 PIVOT BOLT RETURN : 1 pce. SPRING BASE PLATE CP GASKET ( INSULATOR ) CARBURETOR ROD SPRING INSULATOR...
  • Page 26 EH12-2D y l l M6 NUT : 2 pcs. GASKET M6 x 40 BOLT AND WASHER : 1 pce. INSULATOR STEP 8 CARBURETOR INTAKE PIPE GASKET ( INSULATOR ) ROD SPRING GOVERNOR LEVER STEP 9 GOVERNOR M6 PIVOT BOLT : 1 pce. GOVERNOR SPRING SPEED CONTROL LEVER...
  • Page 27 . t f ALUMINUM BAR Fig. 5-9 Fig. 5-10 Fig. 5-11 SPARK PLUG CAP IGNITION COIL CP M12 SPRING WASHER : 1 pce. (EH09D) M14 SPRING WASHER : 1 pce. (EH12-2D) SPARK STEP 10 PLUG STARTING M6 x 25 BOLT AND...
  • Page 28 EH09D EH12-2D M6 x 60 BOLT AND M6 x 40 FLANGE STEP 13 STEP 13 WASHER AY : 4 pcs. BOLT : 4 pcs. ROCKER COVER ROCKER COVER M8 x 55 FLANGE BOLT : 4 pcs.
  • Page 29 EH09D EH12-2D EH09D STEP 15 Fig. 5-15 MAIN BEARING COVER CP M6 x 30 BOLT AND WASHER AY : 9 pcs. EH12-2D SUPPORT GASKET ( MAIN BEARING COVER ) ( BREATHER COVER ) BRACKET STEP 15 ( MAIN BEARING COVER )
  • Page 30 y l f . t f TAPPET STEP 16 Fig. 5-17 CAMSHAFT CAMSHAFT Fig. 5-16 - 26 -...
  • Page 31 EH09D EH12-2D CLIP PISTON RING CLIP PISTON RING PISTON PISTON PISTON PIN CLIP PISTON PIN CLIP CONNECTING ROD CONNECTING ROD STEP 17...
  • Page 32 g i l y l t y l f STEP 18 CRANKSHAFT Fig. 5-19 Fig. 5-20 - 28 -...
  • Page 33 l l o n i l STEP 19 BOLT ( PIVOT ) : 2 pcs. ROCKER ARM COLLET SPRING RETAINER M6 NUT Fig. 5-22 : 2 pcs. VALVE SPRING GUIDE PLATE EXHAUST VALVE INTAKE VALVE Fig. 5-21 - 29 -...

  • Page 34: Reassembly Procedures

    5-4 REASSEMBLY PROCEDURES ● PRECAUTIONS FOR REASSEMBLY 1) Clean parts thoroughly before reassembly. Pay close attention to the cleanliness of piston, cylinder, crankshaft, connecting rod and bearings. 2) Scrape off all carbon deposits from cylinder head, piston top and piston ring grooves. 3) Check lip of oil seals.
  • Page 35 EH09D CUTTER RING RING CUTTER RING WITH EH12-2D COIL EXPANDER Fig. 5-25 MARK "R" MARK "RN" Model: EH09D Model: EH12-2D Fig. 5-26a Fig. 5-26b 5-4-3 PISTON AND CONNECTING ROD (1) EH09D "MAG" "MA" MARK The direction of piston on connecting rod is MARK not specified.
  • Page 36 Make sure to match the alignment marks on the rod caps. Torque connecting rod bolts to specification. M5 x 25 mm connecting rod bolt : 2 pcs. (EH09D) M6 x 34 mm connecting rod bolt : 2 pcs. (EH12-2D) ALIGNMENT...
  • Page 37 5-4-5 TAPPETS AND CAMSHAFT (1) Oil the tappets and install them. CAMSHAFT Push in fully to avoid damage during camshaft TIMING MARK installation. (2) Lubricate bearing surfaces of camshaft. Align the timing mark on crankshaft gear with the timing mark on camshaft and install cam- shaft in the crankcase.
  • Page 38 Use an oil seal guide when installing the main bearing cover to avoid damaging the oil seal . Tap the cover into place with a soft hammer. Main bearing cover EH09D M6 x 30 mm bolt and washer : 9 pcs. EH12-2D M6 x 30 mm bolt and washer : 8 pcs.
  • Page 39 Clean valves and wash cylinder head thoroughly. (5) Install cylinder head onto cylinder with new head gasket. Tighten four flange bolts evenly in three steps by the following tightening torque: Cylinder head M8 x 55 mm bolt : 4 pcs. (EH09D) ・ m ・ m ・...
  • Page 40 5-4-8 ROCKER ARMS AND PUSH RODS (1) Insert push rods into crankcase. Put push rod tip in the hollow of tappet top. Note: An oil return slot is located next to the tappet boss. If you do not put the push rod in the tappet properly, the push rods will fall into the crankcase.
  • Page 41 5-4-9 VALVE CLEARANCE ADJUSTMENT Note: Temporally fit the flywheel in position for easy operation. (1) EH09D Position the piston at the top dead center of ALIGNMENT compression stroke by matching the alignment MARKS FLYWHEEL mark of flywheel with the alignment mark of Model: EH09D crankcase.
  • Page 42 5-4-10 SPARK PLUG Install spark plug to cylinder head. Spark plug : NGK BM6A, BMR6A (EH09) : NGK B6ES, BR6ES (EH12-2D) ・m ・m ・m ・m ・ ・ ・ ・ ・ ) . ・ ) . ・ ) . ・ ) . 5-4-11 FLYWHEEL MAGNETO (1) Put the woodruff key in the keyway of crank- shaft.
  • Page 43 M6 x 25 mm bolt and washer : 2 pcs. IGNITION COIL Air gap : 0.3 - 0.5 mm THICKNESS (0.012 - 0.020 in.) GAUGE Model: EH09D Fig. 5-37a ・m ・ ・ ) . IGNITION COIL...
  • Page 44 5-4-14 GOVERNOR, SPEED CONTROL SYSTEM AND CARBURETOR EH09D (1) Install governor lever to governor shaft, then tighten the locking bolt temporarily. (2) Install base plate to crankcase. (3) Install speed control lever, friction washer, pivot bolt, etc. to base plate as shown in illustration.
  • Page 45 EH12-2D (1) Install governor lever to governor shaft, then tighten the locking bolt temporarily. (2) Install speed control lever, pivot bolt, etc. as shown in illustration. (3) Hook governor spring to proper holes of governor lever and speed control lever. (See Fig. 5-40b) (4) Install insulator and gaskets for carburetor to intake pipe.
  • Page 46 GOVERNOR ROD SPRING ROD SPRING GOVERNOR GOVERNOR Normal hooking SPRING position GOVERNOR Normal hooking GOVERNOR position LEVER GOVERNOR SPRING GOVERNOR SPEED CONTROL LEVER LEVER SPEED CONTROL LEVER GOVERNOR GOVERNOR SHAFT SHAFT Model: EH09D Model: EH12-2D Fig. 5-40a Fig. 5-40b - 42 -...
  • Page 47 5-4-17a CYLINDER BAFFLE, MUFFLER BRACKET and MUFFLER (EH09D) (1) Temporarily install cylinder baffle, muffler bracket and blower housing bracket 2 to the cylinder head. : M6 flange nut : 2 pcs. Do not tighten the flange nut fully. (2) Temporarily install muffler and gasket to cylin- der head.
  • Page 48 5-4-17b HEAD COVER, MUFFLER BRACKET and MUFFLER (EH12-2D) (1) Temporarily install head cover and muffler bracket to cylinder head. : M6 x 18 mm flange bolt : 2 pcs. (2) Temporarily install muffler, gasket (muffler) and spacer (exhaust) to cylinder head. : M8 self lock nut : 2 pcs.
  • Page 49 5-4-18 BLOWER HOUSING AND RECOIL STARTER (1) Attach blower housing to crankcase. Tighten five flange bolts. M6 x 12 mm flange bolt : 5 pcs. Insert the high tension cord from the ignition coil into the notch of the blower housing so as not to pinch the cord.

  • Page 50: Break-In Operation

    6. MAGNETO 6-1 OPERATION AND FUNCTION The ignition system of the EH09D and EH12-2D is a breakerless flywheel magneto with an automatic advancing system. Being different from the breaker point type ignition system, this system is completely free from such troubles as starting-up failure due to dirty, burnt or corroded point surface.
  • Page 51 Ignition Timing Automatic Control Circuit Advancing Control Circuit Fig. 6-1a ELECTRONIC ADVANCING FLYWHEEL MAGNETO SYSTEM ( B.T.D.C. ) ( EH12-2D ) 23° STEP ADVANCING ( EH09D ) 18° 15° 3000 (r.p.m.) 1000 2000 ENGINE REVOLUTION Fig. 6-1b - 47 -...

  • Page 52: Wiring Diagram

    6-3 WIRING DIAGRAM ● STANDARD Fig. 6-2 - 48 -...

  • Page 53: Automatic Decompression System

    7. AUTOMATIC DECOMPRESSION SYSTEM EH09D and EH12-2D engines employ an automatic decompression system as a standard feature. This enables easy starting of the engine, with lighter recoil pull. The automatic decompression system releases the compression of the engine by lifting up the exhaust valve at cranking speeds.

  • Page 54: 8A. Float Type Carburetor (Eh09D)

    8a. FLOAT TYPE CARBURETOR (EH09D) 8a-1 OPERATION AND CONSTRUCTION 8a-1-1 FLOAT SYSTEM The float chamber is located below the carbure- tor body and, with a float and a needle valve, maintains a constant fuel level during engine op- eration. FUEL The fuel flows from the fuel tank into the float chamber through the needle valve.

  • Page 55: 8A-2 Disassembly And Reassembly

    8a-1-2 PILOT SYSTEM The pilot system feeds the fuel to the engine during idling and low-speed operation. The fuel is fed through the main jet to the pilot jet, where it is metered, and mixed with the air metered by the pilot air jet. The fuel-air mixture is fed to the engine through the pilot outlet and the bypass.
  • Page 56 8a-2-2 CHOKE SYSTEM (1) Remove the philips screws y y y y y and choke valve u u u u u , and pull out the choke shaft i i i i i . (2) When reassembling the choke shaft, make sure that the cutout in the choke valve faces the pilot air jet.

  • Page 57: 8B. Float Type Carburetor (Eh12-2D)

    8b. FLOAT TYPE CARBURETOR (EH12-2D) 8b-1 OPERATION AND CONSTRUCTION 8b-1-1 FLOAT SYSTEM The float chamber is located below the carbure- tor body and, with a float and a needle valve, maintains a constant fuel level during engine op- FUEL eration. The fuel flows from the fuel tank into the float chamber through the needle valve.

  • Page 58: 8B-2 Disassembly And Reassembly

    8b-1-2 PILOT SYSTEM The pilot system feeds the fuel to the engine during idling and low-speed operation. The fuel is fed through the main jet to the pilot jet, where it is metered, and mixed with the air metered by the pilot air jet.
  • Page 59 8b-2-2 CHOKE SYSTEM (1) Remove the philips screws y y y y y and choke valve u u u u u , and pull out the choke shaft i i i i i . (2) When reassembling the choke shaft, make sure that the cutout in the choke valve faces the pilot air jet.

  • Page 60: 8C. Diaphragm Type Carburetor (Option)

    8c. DIAPHRAGM TYPE CARBURETOR (OPTION) 8c-1 OPERATION AND CONSTRUCTION Fig. 8-7 1. ENGINE IMPULSE The alternating action of the positive pressure and negative pressure inside the engine crankcase oper- ates the fuel pump diaphragm. 2. FUEL PUMP DIAPHRAGM The fuel pump diaphragm undulates in response to the engine impulse and as a result of that movement it feeds the fuel through the fuel pump valve.
  • Page 61 6. INLET SCREEN The inlet screen filters the fuel that is sucked from the fuel tank to the carburetor. 7. INLET NEEDLE VALVE The inlet needle valve controls the fuel that is fed from the fuel pump to the metering chamber. 8.
  • Page 62 16. IDLE NEEDLE The idle needle has the function of controlling the fuel when the engine is at idling speeds and when the throttle is at a low speed position. 17. HIGH SPEED NEEDLE The high speed needle has the function of controlling the fuel when the engine is operating at high speed and when the throttle is at a high speed position.

  • Page 63: 8C-2 Disassembly Procedure

    8c-2 DISASSEMBLY PROCEDURE Prior do disassembling the carburetor, make sure to wash it with clean gasoline, washing oil or the like. (1) Loosen the pump cover screw !4 !4 !4 !4 !4 and remove the screw and the pump cover !3 !3 !3 !3 !3 . (2) Remove the pump gasket !2 !2 !2 !2 !2 and the diaphragm !1 !1 !1 !1 !1 .

  • Page 64: 8C-4 Reassembly Procedure

    8c-4 REASSEMBLY PROCEDURE (1) Mount the inlet screen q q q q q on the body. (2) Mount the inlet needle valve w w w w w , metering lever spring e e e e e , metering lever r r r r r and other related parts. After mounting these parts, adjust the metering lever r r r r r position at the specified height.

  • Page 65: 8C-5 Diaphragm Carburetor Adjustment Method

    8c-5 DIAPHRAGM CARBURETOR ADJUSTMENT METHOD In the first place, set the idle needle !0 !0 !0 !0 !0 and the high-speed needle o o o o o at their standard return openings and then carry out the adjustment according to the following steps of procedure. 8c-5-1 IDLING ADJUSTMENT (1) Start the engine and then carry out the adjustment of the idle adjust screw !5 !5 !5 !5 !5 for the engine to operate at a speed slightly lower than the speed at which the clutch engages.

  • Page 66: Starting System

    9. STARTING SYSTEM 9-1 RECOIL STARTER Tools required: Driver, Pinchers (Pliers) and Protective Glasses WARNING : Before starting the disassembly, make sure to wear the protective glasses. 9-1-1 Disassembly Steps (1) Setting off the spring power -1 : Hold the starter knob and extract the starter rope.
  • Page 67 (2) Setting the attachments off (Fig. 9-2) SET SCREW -1 : Fix the case and loosen the set-screw. RATCHET -2 : Put off the set-screw, the ratchet guide, GUIDE the friction spring and the ratchet in the same order from above. FRICTION SPRING (3) Setting the reel off (Fig.
  • Page 68 (2) Setting the attachments -1: Set the ratchet into the reel. (Fig. 9-5) THE RATCHET IS KEPT AT CLOSE-POSITION Fig. 9-5 -2: Holding the ratchet, set the ratchet-guide SET SCREW subassembly. (Fig. 9-6) RATCHET GUIDE FRICTION SPRING RATCHET GUIDE SUB-ASSEMBLY Fig.
  • Page 69 (5) Setting the rope. (2 persons required) -1 : Set the end of the rope through the rope guide and the rope hole of the reel and pull ABOUT 20mm the end about 20 cm out of the reel. (Fig. 9-7) -2 : Fasten the end of the rope.

  • Page 70: Troubleshooting

    10. TROUBLESHOOTING The following three conditions must be fulfilled for satisfactory engine start. 1. The cylinder filled with a proper fuel-air mixture. 2. Good compression in the cylinder. 3. Good spark, properly timed, to ignite the mixture. The engine cannot be started unless these three conditions are met. There are also other factors which make engine start difficult, e.

  • Page 71: Engine Misfire

    (4) Incorrect Valve clearance If the correct compression is not obtained even after remedying the above, disassemble the engine and check further as follows : a) Valve stuck open due to carbon or gum on the valve stem. b) If the piston rings are stuck on the piston, remove the piston and connecting rod from the engine. Clean or replace the parts.

  • Page 72: Engine Overheat

    10-4 ENGINE OVERHEATS (1) Crankcase oil level low. Add oil immediately. (2) Spark timing incorrect. (3) Low grade gasoline is used, or engine is overloaded. (4) Cooling air circulation restricted. (5) Cooling air path misdirected causing loss of cooling efficiency. (6) Cylinder head cooling fins clogged up with dirt.

  • Page 73: Installation

    11. INSTALLATION Engine life, ease of maintenance and inspection, frequency of checks and repairs, and operating cost all depend on the way in which the engine is installed. Review the following instructions carefully for install- ing the engine. 11-1 INSTALLING When mounting the engine, carefully examine its position, the method of connecting it to a machine, the foundation, and the method of supporting the engine.

  • Page 74: Service Data

    12. SERVICE DATA “STD” in the following table is the parts dimension from the brand new engine or the spare parts. Whereas, “Limit” shows the maximum allowance for the parts to be used on the engine. If the measurement exceeds beyond the “Limit”, the part needs to be replaced and/or repaired. 12-1 CLEARANCE DATA AND LIMITS Unit : mm (in.) Unit : mm (in.)
  • Page 75 Unit : mm (in.) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
  • Page 76 Unit : mm (in.) n i l t r i - 72 -...
  • Page 77 Unit : mm (in.) l l a l l a - 73 -...
  • Page 78 Unit : mm (in) " " - 74 -...
  • Page 79 Unit : mm (in) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - °...

  • Page 80: Torque Specifications

    12-2 TORQUE SPECIFICATIONS N・ ・ ・ ・ ・ m K ・ ・ ・ ・ ・ m t f ・ ・ ・ ・ ・ . b n i l s t l s t l s t l l f f 12-3 OIL GRADE CHART Comparison between oil viscosity and temparature Single...

  • Page 81: Maintenance And Storage

    13. MAINTENANCE AND STORAGE The following maintenance jobs apply when the engine is operated correctly under normal conditions. The indicated maintenance intervals are by no means guarantees for maintenance free operations dur- ing these intervals. For example, if the engine is operated in extremely dusty conditions, the air cleaner should be cleaned every day instead of every 50 hours.

  • Page 82: Every 100-200 Hrs. (Monthly) Maintenance

    13-4 EVERY 100-200 HRS. (MONTHLY) MAINTENANCE t l i f n i l t r i . f f 13-5 EVERY 300 HRS. or YEARLY MAINTENANCE 13-6 EVERY 500-600 HRS. MAINTENANCE s t i n i l 13-7 EVERY 1000 HRS. (YEARLY) MAINTENANCE n i l 13-8 ENGINE STORAGE (1) Perform the above 13-1 and 13-2 maintenance jobs.
  • Page 84 PRINTED IN THE USA...

This manual is also suitable for:

Eh12-2d

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