Iseki TG6507 Operator's Manual
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Iseki TG6507 Operator's Manual

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I S E K I
O p e r a t o r ' s
TG6407
TG6557
T R A C T O R S
MODELS:
TG6507
TG6687
M a n u a l
ENGLISH

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Summary of Contents for Iseki TG6507

  • Page 1 I S E K I T R A C T O R S O p e r a t o r ’ s M a n u a l MODELS: TG6407 TG6507 TG6557 TG6687 ENGLISH...

  • Page 2: To Our Customer

    TO OUR CUSTOMER TO OUR CUSTOMER Thank you for purchasing an ISEKI tractor. This operator’s manual provides the information necessary for operating and maintaining your tractor safely and properly. The contents are mainly composed of the following 2 items: Safety instructions: Essential items which you should observe while operating the tractor.

  • Page 4: Table Of Contents

    TABLE OF CONTENTS TABLE OF CONTENTS TO OUR CUSTOMER ..........1 INSTRUMENT PANEL .........34 Main Switch ............34 TABLE OF CONTENTS ..........3 Indicator Light Array .........35 Tachometer............38 SAFETY ..............6 Liquid Crystal Display ........38 MACHINE PURPOSE ..........6 Fuel Gauge............38 PERSONAL SAFETY INSTRUCTIONS ....6 Coolant Temperature Gauge ......
  • Page 5 TG6407, 6507, 6557, 6687 Cruise Control (HST Type) ....... 59 REAR HITCH ............89 How to release cruise control (HST Type) ..59 COMFORT ADJUSTMENTS ........ 91 Speed Adjustment (HST Type) ......60 Steering Column Tilt .........91 HST Stage Selection (HST Type) ..... 60 SEAT &...
  • Page 6 STEERING SYSTEM .........146 HYDRAULIC SYSTEM ........147 Grease Fittings ..........116 ELECTRICAL SYSTEM ........147 Engine Oil & Filter (TG6407) ......116 HST SYSTEM (HST TYPE) ........148 Engine Oil & Filter (TG6507 / 6557 / 6687) ..117 Transmission Oil & Filters ......118 FAULT CODE LIST ..........149...

  • Page 7: Safety

    TG6407, 6507, 6557, 6687 SAFETY MACHINE PURPOSE This machine is designed solely for use in customary agricultural and forestry use, for parks and grounds maintenance, as well as for winter service. Use in any other way is considered as contrary to the intended use. Compliance with and strict adherence to the conditions of operation, service, and repair as specified by the manufacturer, also constitute essential elements of the intended use.

  • Page 8: Making Your Tractor A Safe Vehicle

    SAFETY MAKING YOUR TRACTOR A SAFE VEHICLE How to Maintain Safety (1) Never attempt to do the following: • Modification of the structure of the tractor • Installation of other type of engine • Installation of tires of other than the original tire size.

  • Page 9: How To Be A Safe Operator

    TG6407, 6507, 6557, 6687 How to be a Safe Operator (1) Familiarize yourself fully with machine controls by studying the operator’s manual before using your machine. This operator’s manual should be regarded as part of the machine. Suppliers of both new and...

  • Page 10: Before Operation

    FIG. 1-6 If safety devices are damaged or do not work, please consult your ISEKI dealer. (3) Before removing a safety devices, such as a safety cover, be sure that the machine has stopped completely. Never forget to replace the removed part after servicing.

  • Page 11: Starting Engine And Operating Tractor

    TG6407, 6507, 6557, 6687 Starting Engine and Operating Tractor (1) Before starting the engine indoors, make sure that there is proper ventilation because exhaust fumes contain poisonous carbon monoxide, which cause lethal poisoning. (2) Before starting the machine, confirm that the...
  • Page 12 SAFETY (2) When traveling in a hill, drive the tractor carefully. • When climbing up a hill, shift the speed change lever to the most suitable speed. Start moving the tractor as slowly as possible. • While climbing up a hill, never shift speeds along the way.

  • Page 13: Loading Onto Or Unloading From A Truck

    (7) Use ramps with the same or better specifications mentioned below. When the machine is equipped with attachments, consult your ISEKI dealer for advice. Specifications of the Ramps • Length..more than 4 times the height of the plat- form of the truck •...

  • Page 14: During Operation

    Using an improper trailer may cause serious accidents. Never attempt to haul beyond the tractor’s capacity. If you have a question, please consult your ISEKI dealer. Follow strictly the instructions outlined in the operator’s manual of the mounted or trailed machinery or trailer,...

  • Page 15: Inspection And Maintenance

    Be sure to consult your ISEKI dealer about the hydraulic and fuel injection system trouble. When checking for leaks, use a piece of card- board or wood without fail.

  • Page 16: Storage

    Do not attempt to service a tire unless you have the proper equipment and experience to perform the job. Have the work carried out by your ISEKI dealer or a qualified repair service. When seating tire beads onto rims, never exceed the maximum inflation specifications specified on the tire.

  • Page 17: Maintenance Of The Electric System

    TG6407, 6507, 6557, 6687 MAINTENANCE OF THE ELECTRIC SYSTEM To Maintain Electric Wiring (1) When servicing the electric wiring, stop the engine without fail. Otherwise your hands or clothes may be caught in rotating parts. (2) Before manipulating electric parts, be sure to dis-...

  • Page 18: To Handle Booster Cables

    SAFETY (4) When disconnecting the battery cables, discon- nect the negative cable (-) first without fail. When connecting the battery cables, connect the posi- tive cable (+) first. Disconnecting or connecting in wrong order may lead to a short circuit or sparks. FIG.

  • Page 19: Safety Decals

    TG6407, 6507, 6557, 6687 SAFETY DECALS (4) Ether label (Code No.1674-904-002-2) (1) Fan & belt warning label (Code No. 1776-904-002-1) WARNING: RISK OF EXPLOSION Ether or other starting fluid should never be used to start engines equipped with glow plugs.
  • Page 20 (Code No.1705-902-007-1) DANGER: RISK OF ELECTRIC SHOCK Start the engine only from the seat using the key. (10-1) Operation caution label (ROPS type) (8-2) Battery label (TG6407) (Code No.1750-904-001-1) (Code No.1705-904-002-3) A. WARNING: RISK OF EXPLOSION Keep away from sparks or flames, which could cause explosion.
  • Page 21 TG6407, 6507, 6557, 6687 (10-2-1) Operation caution label (Cabin type) (11) Fuel label (Code No.1817-904-006-1) (Code No.1801-904-021-0) DANGER: RISK OF EXPLOSION AND BURNS A: Use only diesel fuel. Before replenishing fuel, be sure to stop the engine and wait until the engine and heated parts cool down sufficiently.
  • Page 22 SAFETY (13-2) Reverse label (HST type) (14) ROPS label (ROPS type) (Code No.1816-902-056-0) (Code No.1674-904-005-2) WARNING: RISK OF INJURY Keep the ROPS in the upright position and fasten the seat belt at all times. Do not jump from the Before moving tractor to reverse direction, be seat if the tractor starts to overturn, or you could sure to reduce engine speed.

  • Page 23: Maintenance Of Safety Decals

    • If any of them are torn or lost, order new labels from your ISEKI dealer. Their codes are mentioned in “SAFETY DECALS AND THEIR LOCATION”. • A new label should be placed in the same place where the old one was located.

  • Page 24: Location Of Safety Decals

    SAFETY Location of Safety Decals (8-2) 1705-904-002-3(TG6407) (8-1) 1815-904-001-2 (except TG6407) (4) 1674-904-002-2 (2) 1636-901-022-1 (3) 1848-904-001-1 (16) 1817-904-004-0 (7) 1705-902-008-1 (1) 1776-904-002-1 (9) 1705-902-007-1 (11) 1801-904-021-0 (14) 1674-904-005-2(ROPS) (15) 1815-904-002-1(Cabin) (10-1) 1750-904-001-1(ROPS) (13-1) 1817-902-018-2 (13-2) 1816-902-056-0 (Standard) (HST) (13-3) 1816-902-016-2...

  • Page 25: Introduction

    TG6407, 6507, 6557, 6687 INTRODUCTION The information in this publication describes the operation, maintenance and servicing of the TG6407, 6507, 6557, 6687 tractors. Every effort has been made to provide correct and concise information to you, the operator, as available at date of book publication.

  • Page 26: Tractor Identification

    EU type approval No., vehicle identification number, total per- missible mass, and permissible towable mass. Dual Clutch type FIG. 3-1 FIG. 3-2 MODEL TYPE DESIGNATION TG6407 M W J Engine Symbol Horsepower TG6407 29.4 kW...

  • Page 27: Model / Serial Number

    TG6407, 6507, 6557, 6687 MODEL / SERIAL NUMBER Each tractor is identified by means of tractor model HST type Standard type and serial numbers. As a further identification, engine and chassis are provided with identification numbers. To ensure prompt, efficient service when ordering parts or requesting repairs from authorized dealer, record these numbers in spaces provided.
  • Page 28 MAJOR COMPONENTS FIG. 3-6: Engine model number (4) is cast on right side of engine block, below the injection pump. Engine serial number (5) is punched on cylinder block, below engine model number. ENGINE MODEL NUMBER ENGINE SERIAL NUMBER FIG. 3-6...

  • Page 29: Major Components

    TG6407, 6507, 6557, 6687 MAJOR COMPONENTS Rear ROPS Type FIG. 3-7 FIG. 3-7: Identification and terminology of major components, as given in this operator’s manual, are as follows: Check chain 12. Front hitch Lower link 13. Hood Drawbar 14. Fuel tank filler Lift arm 15.

  • Page 30: Center Rops Type

    MAJOR COMPONENTS Center ROPS Type FIG. 3-8 FIG. 3-8: Identification and terminology of major components, as given in this operator’s manual, are as follows: Check chain 12. Front hitch Lower link 13. Hood Drawbar 14. Fuel tank filler Lift arm 15.

  • Page 31: Cabin Type

    TG6407, 6507, 6557, 6687 CABIN Type FIG. 3-9 FIG. 3-9: Identification and terminology of major components, as given in this operator’s manual, are as follows: Check chain 12. Front hitch Lower link 13. Hood Drawbar 14. Fuel tank filler Lift arm 15.

  • Page 32: Operation

    OPERATION OPERATION GENERAL LAYOUT Standard Type ７ FIG. 4-1 FIG. 4-1: General layout and location of controls within operator’s area on tractor. Specific use of these controls is given later in this section and also in “Operation” section of this operator’s manual: Steering Wheel 12.

  • Page 33: Hst(H) Type

    TG6407, 6507, 6557, 6687 HST(H) Type FIG. 4-2 FIG. 4-2: General layout and location of controls within operator’s area on tractor. Specific use of these controls is given later in this section and also in “Operation” section of this operator’s manual: Steering Wheel 12.

  • Page 34: Dual Clutch(G) Type

    OPERATION Dual Clutch(G) Type FIG. 4-3 FIG. 4-3: General layout and location of controls within operator’s area on tractor. Specific use of these controls is given later in this section and also in “Operation” section of this operator’s manual: Steering Wheel 14.

  • Page 35: Instrument Panel

    TG6407, 6507, 6557, 6687 INSTRUMENT PANEL FIG. 4-4: Arrangement of gauges. Control switches and indicators located in instrument panel. Items are as follows: 1. Main Switch 2. Direction indicator lamp control lever 3. Indicator Light Array 4. Liquid crystal display 5.

  • Page 36: Indicator Light Array

    OPERATION Indicator Light Array Standard type FIG. 4-6: Bottom indicator light array (1) and right- hand indicator light array (2) contain several indicator lamps to monitor certain functions. The lamps on the bottom indicator light array (1) are as follows: Pre-heat Lamp - Illuminates after the switch is •...
  • Page 37 TG6407, 6507, 6557, 6687 • 5. Power Take Off (PTO) Drive Warning Lamp - Illuminates when the PTO switch is moved to engage the PTO clutch (PTO operating). The lamp will go out when the PTO switch is moved to the OFF position.
  • Page 38 OPERATION • 11. NOX Warning Lamp - The lamp illuminates together with "Diagnosis lamp" when EGR device, reduces NOx in the exhaust gas, is not functioning. IMPORTANT: When the lamp is illuminated, stop op- erating immediately and contact your dealer. Malfunction Diagnosis NOx lamp...

  • Page 39: Tachometer

    TG6407, 6507, 6557, 6687 Tachometer FIG. 4-7: Tachometer (1) indicates engine speed in crank shaft revolutions per minute (min-1). Index is also provided to show rear PTO speed of 540 at ap- proximately 2 250 - 2 500 engine revolution speed.

  • Page 40: Coolant Temperature Gauge

    OPERATION Coolant Temperature Gauge FIG. 4-10: Coolant temperature gauge (1) uses a bar graph to indicate engine coolant temperature. • (A) “C” - Shows too cool of a temperature for se- vere work. Let the engine warm up (bar graph in mid position) before applying a heavy load.

  • Page 41: Display Select Switch

    TG6407, 6507, 6557, 6687 Display Select Switch FIG. 4-13: Liquid crystal display shows the traveling speed, rear PTO speed or Mid PTO speed. To change the display, push the display select switch (1). (1) Traveling Speed (2) Rear PTO Speed...

  • Page 42: Fault Code Indication

    OPERATION Fault Code Indication FIG. 4-17: Liquid crystal display shows the fault code for vehicle ECU when vehicle ECU detects an abnor- mality. Fault code is composed with 2 codes, (1) and (2). (1) Suspect Parameter Number (SPN) - system code for fault NOTE: Suspect Parameter Number (SPN) for ve- hicle ECU is composed of 4 figures.

  • Page 43: Horn Switch & Lamp Switches

    TG6407, 6507, 6557, 6687 Horn Switch & Lamp Switches FIG. 4-20: Horn will sound when the horn switch (1) , at the center of steering wheel, is depressed. FIG. 4-21: Direction indicator lamp control lever (2) is equipped with a rotary switch. It has 3 operating positions: •...

  • Page 44: Dpf Regeneration

    OPERATION DPF REGENERATION DPF (Diesel particulate filter) is equipped for collect- ing PM (paticulate matter) contained in exhaust gas. When the engine electronic control unit (ECU) detects a specified amount of PM, "DPF regeneration" is required. NOTE: DPF regeneration has two types which are "Automatic regeneration"...
  • Page 45 TG6407, 6507, 6557, 6687 <Soot amount from 120 to 140%: Manual regenera- tion 2nd stage> If you don't activate DPF regeneration at 1st stage and soot amount exceeds 120%, engine rotation speed is restricted to 1 500 rpm, and the output decreases to 50%.
  • Page 46 OPERATION DPF status during manural regeneration Regenera- Exhaust tion request gas high- DPF status Buzzer Remarks lamp(lamp temperature on switch) lamp When the soot amount becomes 100% to 140% and manual Manual regeneration is required, "Regeneration Request Lamp" regeneration blinks. If the soot amount is between 120% and 140%, the request Blink output and engine speed will also be restricted.

  • Page 47: Emergency Engine Stop Switch (Hst Type)

    TG6407, 6507, 6557, 6687 Emergency Engine Stop Switch (HST Type) FIG. 4-24: To stop the engine and tractor in case of emergency, push the emergency engine stop switch (1). CAUTION: For your safety, depress the brake pedal and decrease the speed of tractor enough before pushing this switch.

  • Page 48: Parking Brake Lever

    OPERATION Parking Brake Lever WARNING: ALWAYS apply the parking brake before leaving from the tractor. FIGS. 4-27 & 4-28 & 4-29: The parking brake is ap- plied on the tractor rear wheels. To engage the brake, pull up the parking brake lever (4). To release the parking brake, press the button on the end of the lever and push down the lever.

  • Page 49: Break-In Period

    TG6407, 6507, 6557, 6687 BREAK-IN PERIOD STARTING Operation of tractor within the first 50 hours can be a Pre-Start Inspection major factor in determining the performance and life of Prior to daily operation of tractor, a few basic proce- the engine and tractor:...

  • Page 50: Normal Starting (Standard Type)

    OPERATION Normal Starting (Standard Type) CAUTION: Do not attempt to start the trac- tor unless seated in the operator’s seat. Do not allow anyone on the tractor except for the operator. FIGS. 4-31 & 4-32: To start the engine, proceed as follows: Make sure to latch the brake pedals (1) and ap- ply parking brake (2).

  • Page 51: Normal Starting (Hst Type)

    TG6407, 6507, 6557, 6687 Normal Starting (HST Type) CAUTION: Do not attempt to start the trac- tor unless seated in the operator’s seat. Do not allow anyone on the tractor except for the operator. FIGS. 4-34 & 4-35: To start the engine, proceed as...

  • Page 52: Normal Starting (Dual Clutch Type)

    OPERATION Normal Starting (Dual Clutch Type) CAUTION: Do not attempt to start the trac- tor unless seated in the operator’s seat. Do not allow anyone on the tractor except for the operator. FIGS. 4-37 & 4-38: To start the engine, proceed as follows: Make sure to latch the brake pedals (1) and ap- ply parking brake (2).

  • Page 53: Restarting Warm Engine

    TG6407, 6507, 6557, 6687 Restarting Warm Engine • Test all controls (steering, braking, etc.) before operation. When restarting an engine that is still warm from previous use, the same procedure is applied as with NOTE: Installation of optional engine block heater “Normal Starting”...

  • Page 54: Operator Observations

    OPERATION Operator Observations Starting Circuit For The Engine Constant attention should be paid to the following Tractor is equipped with a safety starting system to points during operation: protect the operator. To permit tractor to be started (start motor to operate), ALL the following is required: •...

  • Page 55: Traveling Speed Selection (Standard Type)

    TG6407, 6507, 6557, 6687 TRAVELING SPEED SELECTION (STANDARD TYPE) Standard type tractor is equipped with 12 forward gear speeds and 12 reverse gear speeds. Engine Speed Control (Standard Type) FIG. 4-40: Hand throttle lever (1) controls engine speed and will remain in position selected by the operator.

  • Page 56: Shift Levers (Standard Type)

    OPERATION Shift Levers (Standard Type) FIG. 4-42: Main shift lever (4) provides 4 gear selections. These gear selections are compounded by range shift lever (5). The range shift lever provides 3 major changes in traveling speed. Main shift lever provides smaller changes traveling speed.
  • Page 57 TG6407, 6507, 6557, 6687 TABLE 2: Arrangement of gears with traveling speeds, in order from slow to fast. NOTE: Traveling speed is indicated at 2 600 engine min-1 speed with 13.6 - 28 agricultural and 475 / 65D20 turf type rear tires.

  • Page 58: Traveling Speed Selection (Hst Type)

    OPERATION TRAVELING SPEED SELECTION (HST TYPE) HST type tractor is equipped 6 range gear speeds. Engine Speed Control (HST Type) FIG. 4-44: Hand throttle lever (1) controls engine speed and will remain in position selected by the operator. With hand lever forward, engine will idle. Engine speed increases as lever is pulled progressively rearward.

  • Page 59: Shift Lever (Hst Type)

    TG6407, 6507, 6557, 6687 Shift Lever (HST Type) FIG. 4-46: The hydrostatic transmission provides vari- able speed control in forward or reverse. Range shift lever (3) provide 3 major changes in trav- eling speed. IMPORTANT: Stop tractor completely whenever shifting the range shift lever (3).

  • Page 60: Cruise Control (Hst Type)

    OPERATION Cruise Control (HST Type) FIG. 4-48: Cruise control switch (5) keeps the speed of tractor even if HST pedal is released. When the switch is pressed during forward travel, the cruise control lamp in the indicator light array illumi- nates and traveling speed is set.

  • Page 61: Speed Adjustment (Hst Type)

    TG6407, 6507, 6557, 6687 Speed Adjustment (HST Type) FIG. 4-49: When turning maximum speed control dial (7) completely clockwise, the maximum speed of trac- tor is set at peak with HST pedal fully depressed. In case of turning the dial in anti-clockwise direction, the setting of maximum speed can be reduced.
  • Page 62 OPERATION TABLE 3: Arrangement of gears with traveling speeds, in order from slow to fast. NOTE: Traveling speed is indicated at 2 600 engine min-1 speed with 13.6 - 28 agricultural and 475 / 65D20 turf type rear tires. TABLE 3: Speed chart (HST type) TG6507 / TG6687 Agri Turf...

  • Page 63: Traveling Speed Selection (Dual Clutch Type)

    TG6407, 6507, 6557, 6687 TRAVELING SPEED SELECTION (DUAL CLUTCH TYPE) Dual clutch type tractor is equipped with 24 forward gear speeds and 24 reverse gear speeds. Engine Speed Control (Dual Clutch Type) FIG. 4-51: Hand throttle lever (1) controls engine speed and will remain in position selected by the operator.

  • Page 64: Shift Levers (Dual Clutch Type)

    OPERATION Shift Levers (Dual Clutch Type) FIG. 4-53: Main shift lever (4) provides 8 gear selec- tions. This lever provides smaller traveling speed change. Range shift lever (5) provides 3 gear selections. This lever provides 3 major change in traveling speeds. Changing the Traveling Speed (Dual Clutch Type) FIG.
  • Page 65 TABLE 4: Arrangement of gears with traveling speeds, in order from slow to fast. NOTE: Traveling speed is indicated at engine speed 2 600 min-1 with ・TG6407: 13.6 - 24 agricultural and 355 / 80D20 turf type rear tires ・TG6507: 13.6 - 28 agricultural and 475 / 65D20 turf type rear tires.

  • Page 66: Stopping Tractor (Standard Type)

    OPERATION STOPPING TRACTOR (STANDARD TYPE) FIGS. 4-55 & 4-56: To stop the tractor, move the hand throttle lever (1) forward, to reduce engine speed and slow travel. Depress the clutch pedal (2) and brake pedal (3) and (4) to stop. Put the range shift lever (5) and main shift lever (6) and forward / reverse lever (7) in neutral position.

  • Page 67: Stopping Tractor (Hst Type)

    TG6407, 6507, 6557, 6687 STOPPING TRACTOR (HST TYPE) FIGS. 4-58 & 4-59: To stop the tractor, decrease its speed by releasing the HST pedal. Move the hand throttle lever (1) forward to reduce the engine revolu- tion, and then put the range shift lever (2) and forward / reverse lever (3) in neutral position.

  • Page 68: Stopping Tractor (Dual Clutch Type)

    OPERATION STOPPING TRACTOR (DUAL CLUTCH TYPE) FIGS. 4-61 & 4-62: To stop the tractor, move the hand throttle lever (1) forward, to reduce engine speed and slow travel. Depress the clutch pedal (2) and brake pedal (3) and (4) to stop. Put the range shift lever (5) and main shift lever (6) and forward / reverse lever (7) in neutral position.

  • Page 69: Differential Lock

    TG6407, 6507, 6557, 6687 DIFFERENTIAL LOCK FIG. 4-64: When differential lock pedal (1) is de- Standard type HST type pressed, both sides of the rear axle are locked to gather so the rear wheels turns together at the same speed. This is especially important when operating in loose soil or slippy condition.

  • Page 70: Acceleration Memory

    OPERATION FIG. 4-66: When front axle is engaged, traveling speed of front tires will vary from traveling speed of rear tires. This is to assist steering when 4-wheel drive is selected. For this reason, front axle must be disengaged when tractor is transported or operated on a hard, dry sur- face.

  • Page 71: Power Take-Off (Pto)

    PTO cap must be installed when rear PTO is not in use. PTO shaft rotating speed: (TG6407 - Dual Clutch type) 3 operating speeds of rear PTO are available. 540 PTO min-1 @ 2 480 min-1 750 PTO min-1 @ 2 453 min-1...

  • Page 72: Mid Pto Shaft

    NOTE: Mid PTO is optional for TG6687 ROPS type. Other models are standard. Shaft size: (TG6407) ASAE S431 25.4 mm 15-spline shaft is used. (TG6507 / 6557 / 6687) ASAE S431 35 mm 6-spline shaft is used. PTO shaft rotating speed: FIG.

  • Page 73: Pto Switch & Pto Selectable Switch

    TG6407, 6507, 6557, 6687 IMPORTANT: When engaging PTO clutch, engine revolution must be 1 500 min-1 or less to avoid a shock. After engaging PTO clutch, increase engine revolution depending on the PTO revolution you require. CAUTION: Make sure all PTO safety shields are installed to tractor and equip- ment.

  • Page 74: Rear Pto Selector Lever

    OPERATION Turn PTO selectable switch (3) to right to engage rear and Mid PTO in normal mode. Turn PTO selectable switch (3) to left, engage rear and Mid PTO engaging in soft mode. NOTE: Lower the engine speed when engaging PTO clutch if there is considerable shock.

  • Page 75: Mid Pto Selector Lever

    TG6407, 6507, 6557, 6687 Mid PTO Selector Lever NOTE: Mid PTO is optional for TG6687 ROPS type. Other models are standard. (Standard & HST types) FIG. 4-74: Mid PTO selector lever (1) provides the Standard type HST type Mid PTO selection.

  • Page 76: Mid Pto Operating Control

    OPERATION Mid PTO Operating Control To select Mid PTO - PTO switch is in the OFF posi- tion, and then move Mid PTO selector lever to select Mid PTO. For dual clutch type, move rear PTO selec- tor lever to select the speed of Mid PTO. To engage PTO - Turn PTO switch clockwise with pulling up the knob.

  • Page 77: 3-Point Linkage

    TG6407, 6507, 6557, 6687 3-POINT LINKAGE 3-point linkage combines tractor and implement into 1 working unit. Implement position is controlled hydraulically. Position Control (Standard & HST Type) FIG. 4-78 & 4-79: 3-Point Linkage Position Control Standard type Lever - 3-point linkage position control lever (1) con- trols the linkage height.

  • Page 78: Position Control (Dual Clutch Type)

    OPERATION FIG. 4-80: Lowering rate control knob (5) adjusts the HST type Standard type drop speed of 3-point linkage and implement. Turn the knob clockwise to slow the drop speed, and turn the knob counterclockwise to increase the drop rate (decrease lowering time).
  • Page 79 TG6407, 6507, 6557, 6687 FIGS. 4-82 & 4-83: Up-Stop Switch - Up-stop is the Dual Clutch Type system that PTO shaft rotation stops when implement is raised. It prevents mud splash and protects the PTO drive line. When the up-stop switch (3) is in "ON"...

  • Page 80: 3-Point Linkage

    OPERATION FIG. 4-84: Lowering rate control knob (5) adjusts the Dual clutch type speed of drop of 3-point linkage and implement. Turn the knob clockwise to slow the drop speed, and turn the knob counterclockwise to increase the drop speed (quick down the implement).
  • Page 81 TG6407, 6507, 6557, 6687 FIG. 4-86: To equip various implements, rear link- age is standardized according to spacing, pin size, etc. This enables usage of alternate implements with minimal adjustments as long as matching size or “Cat- egory” is used.

  • Page 82: Attaching Implements

    OPERATION FIG. 4-89: Lift rods (1) and lower links (2) also have multiple positions. Normally, lower hole (B) in each lift rod is attached to forward hole (X) in lower link. CAUTION: Make sure all pins secured fasten. Then adjust each parts. Always use pins supplied with tractor.

  • Page 83: Using 3-Point Linkage Position Control

    TG6407, 6507, 6557, 6687 FIG. 4-92: Certain implements require minimal side- play. Check chain (5) at each lower link should be evenly adjusted to reduce side-play to desirable level. Do not remove all side-play as lower link damage may result.

  • Page 84: Using Draft Control (Standard & Dual Clutch Type)

    OPERATION Using Draft Control (Standard & Dual Clutch Type) FIG. 4-95: Type of Work - When ground engaging implements such as plows, subsoilers, cultivators, etc. are used. CAUTION: Do not use draft control when precise hitch positioning is required (attaching / detaching implements for example).

  • Page 85: Detaching Implements

    TG6407, 6507, 6557, 6687 Detaching Implements CAUTION: Always use position control lever to attach / detach implements to provide precise control of hitch. Select a level area to detach and store the imple- ment. Lower implement to ground by moving position control lever forward to down position.

  • Page 86: Joystick

    OPERATION JOYSTICK Joystick Lever FIG. 4-98: Joystick lever (1) can be used to determine the front loader boom position and bucket position. The lever is located to the front on the right side of the seat. The “Raise”, “Lower”, “Free Flow” operations for the boom, and “Roll back”, “Dump”...

  • Page 87: Joystick Operation

    TG6407, 6507, 6557, 6687 Joystick Operation FIGS. 4-99 & 4-100: Joystick control lever (1) provides “Joystick” operation of auxiliary valve. Mov- ing lever backward and forward operates the A / B spool valve for raising and lowering loader (or other attachment).

  • Page 88: External Auxiliary Hydraulics

    OPERATION EXTERNAL AUXILIARY HYDRAULICS Auxiliary hydraulics operate implements requiring external hydraulic source for operation. External Auxiliary Hydraulics Lever FIGS. 4-102 & 4-103: 1st external auxiliary hydraulics lever (1) controls implement raising / lowering when first set of remote couplers (2) are used. 2nd external auxiliary hydraulics lever (3) controls implement when second set of remote couplers (4) are used.

  • Page 89: Roll Over Protective Structure (Rops)

    TG6407, 6507, 6557, 6687 ROLL OVER PROTECTIVE STRUCTURE (ROPS) Rear ROPS Type FIG. 4-105: Rear ROPS type tractor is equipped with a roll-over protective structure (ROPS). Seat belts must be worn when the ROPS is in the upright position. The ROPS can be folded down only in the limited work such as going into and out from building, and work within orchard, hop or vineyard.

  • Page 90: Rear Hitch

    500 kg on the coupling point TABLE 10: Keep the maximum vertical load on the rear hitch, related to the rear tire size and type of hitch. TABLE 10: Maximum vertical load TG6407 TRH-1815C Tire Size Without front weight (kg)
  • Page 91 TG6407, 6507, 6557, 6687 TABLE 11: Keep the permissible towable mass. When towing trailer, stay clear from the area between tractor and trailed vehicle. TABLE 11: Permissible towable mass TG6407 Dual clutch type TRH-1815C Towable mass Total technically permissible towable mass...

  • Page 92: Comfort Adjustments

    OPERATION TG6507 / 6887 HST type TRH-1815B Towable mass Total technically permissible towable mass Total technically permissible towable mass of the tractor and towed vechicle combina- (kg) tion (kg) R-and S Category vehicle Drawbar Rigid drawbar Centre-axle Drawbar Rigid drawbar Centre-axle Brake Unbraked...

  • Page 93: Seat & Suspension Adjustment

    TG6407, 6507, 6557, 6687 SEAT & SUSPENSION ADJUSTMENT CAUTION: Make sure that the seat is ad- justed before driving. Do not attempt to adjust the seat during driv- ing to avoid unexpected accident. WARNING: In case of installing local arrange- ment, you must connect the seat switch with the harness at tractor side.

  • Page 94: Grammer Msg93 / 521

    OPERATION There are 4 height positions; (0) Upper height position (I) Lowest height position (II) Second height position (III) Third height position Fore-Aft Adjustment (3) The seat is slid forward or backward by pulling fore-aft adjustment lever. GRAMMER MSG93 / 521 FIG.

  • Page 95: Front Loader Fixation Point

    TG6407, 6507, 6557, 6687 FRONT LOADER FIXATION POINT Consult your ISEKI dealer concerning the fixation points on tractor for the Front Loader. Appropriate frames between the rear axle and the front frame might be necessary to obtain robust safety. WORK WITH CROP SPRAYERS (Risk of Hazard-...

  • Page 96: Towing

    OPERATION TOWING Consult your ISEKI dealer for towing tractor as much as possible. If such cases as listed below, call your ISEKI dealer as transmission might be broken. • Although the engine runs, tractor cannot start to move. • Unusual noise occurs.

  • Page 97: Auxiliary Power Supply Connector

    TG6407, 6507, 6557, 6687 Auxiliary Power Supply Connector FIG. 4-116: Auxiliary power supply connector (1) for attachment is located at right-hand side of the seat. 7 pins socket (2) is connector for speed signal. FIG. 4-116 7 Pins Socket FIG. 4-117: 7 pins socket (3) is located at the rear side of the tractor.

  • Page 98: Beacon

    OPERATION BEACON Wiring and switch for beacon lamp are standardly equipped. FIG. 4-119: For ROPS type, beacon terminal is lo- ROPS type cated at the folded part of rear cover. It is fixed to a harness with tape. The wire color of beacon terminal is gray and red.

  • Page 99: Instruments & Controls & Operation - Cabin Type

    TG6407, 6507, 6557, 6687 INSTRUMENTS & CONTROLS & OPERATION - CABIN TYPE - GENERAL LAYOUT FIG. 5-1 FIG. 5-1: General layout and location on Cabin. Air conditioner panel Front wiper / washer switch Front fresh air vents Rear wiper / washer switch (Option)

  • Page 100: Opening / Closing Doors

    INSTRUMENTS & CONTROLS & OPERATION OPENING / CLOSING DOORS FIG. 5-2: To open the door from outside, push the door lock button (1) and pull the handle (2). FIG. 5-2 FIG. 5-3: To open the door from inside the cabin, move the door lever (3) backward and push door frame (4).

  • Page 101: Rear Window

    TG6407, 6507, 6557, 6687 FIG. 5-5: When getting on or off the tractor, use the handle (1) and footstep (2). CAUTION: Do not put your weight on the door damper (3) when getting on or off the tractor. FIG. 5-5 REAR WINDOW FIG.

  • Page 102: Corner Windows

    INSTRUMENTS & CONTROLS & OPERATION CORNER WINDOWS The corner windows in left and right sides can be opened and closed. FIG. 5-8: Grasp the handle (1) and turn 90 degrees to unlock the window (Position A). To open, push the corner window out slightly (Position B).

  • Page 103: Work Lamps

    TG6407, 6507, 6557, 6687 WORK LAMPS The work lamps will light up the working area in front and rear of the cab. FIG. 5-11: To turn on the work lamp, press the upper part of the switch (1) to ON for the front work lamp, and press the upper part of the switch (2) to ON for the rear work lamp.

  • Page 104: Wiper And Washer Switch

    INSTRUMENTS & CONTROLS & OPERATION WIPER AND WASHER SWITCH FIG. 5-14: Press the upper part of front wiper switch (1) to start the front wiper. Press the lower part of front wiper switch (1) to start the intermittent front wiper. Press the upper part of rear wiper switch (2) to start the rear wiper.

  • Page 105: Washer Reservoir

    TG6407, 6507, 6557, 6687 WASHER RESERVOIR FIG. 5-17: The washer reservoir port (1) is located at the rear left-hand side. Use automobile washer fluid to replenish the washer fluid level. FIG. 5-17 AIR CONDITIONER OPERATION FIG. 5-18: Air conditioner panel is located in the upper right-hand corner of the cab.

  • Page 106: Air Conditioner Button

    INSTRUMENTS & CONTROLS & OPERATION Air Conditioner Button FIG. 5-20: To turn on the air conditioner, press the button (1). The air conditioner button (2) illuminates when air conditioner is operating. To operate the air conditioner, turn the fan speed control switch to ON position.

  • Page 107: Air Vents

    TG6407, 6507, 6557, 6687 Air Vents FIG. 5-23: Side fresh air vents - 4 vents, 2 on the left side (1) and 2 on the right side (2) of the cab, blow air toward the sides of the operator. Each vent moves to allow the air flow direction to be changed.

  • Page 108: Using The Cooling System

    INSTRUMENTS & CONTROLS & OPERATION Using the Cooling System FIG. 5-26: Set the ventilation control lever (1) to Set the temperature adjustment lever (2) to the cool- est position. To turn on the air conditioner, press the air conditioner button (3). Turn the fan speed control switch (4) to the desired speed.

  • Page 109: Using The Rear Defogger System

    TG6407, 6507, 6557, 6687 Using the Rear Defogger system FIG. 5-29: Push the rear defogger switch (1) to re- move the fog from rear window. Rear window will be heated by the heating wire (2). NOTE: Rear defogger system will turn off automati- cally after 10 minutes.

  • Page 110: Lubrication & Periodic Maintenance

    LUBRICATION & PERIODIC MAINTENANCE LUBRICATION & PERIODIC MAINTENANCE SPECIFICATIONS & CAPACITIES Engine Oil Use oil of the quality recommended by ISEKI, ACEA E9 (equivalent to API standard CK-4). Capacity (Crankcase and Filter) TG6407.................................5.0 liters TG6507 / 6557 / 6687...........................7.4 liters Recommended Viscosity: 25 °C and Above ..........................SAE 30W, 10W-30...

  • Page 111: Front Axle

    TG6407, 6507, 6557, 6687 Front Axle Capacity TG6407.................................7.5 liters TG6507 / 6557 / 6687...........................8.5 liters Recommended Lubricant ........................SAE 80 GL-4 Recommended Change Interval ...................... Every 600 hours Grease Fittings Grease Interval (All Fittings) ......................Every 50 hours Recommended Grease ........... Gadus S2V 2202 (Old name : Lithium base grease No. 2) NOTE: Change intervals stated above are for normal usage.

  • Page 112: Lubrication / Fill Points

    Radiator Engine Coolant Engine Engine Oil Transmission Case Transmission Oil Front Axle Lubricant Oil Brake Pivot Grease Tie-rod Grease Assist Cylinder Grease TG6507 / 6557 / 6687 TG6407 Grease point Oil filler Oil drain port Oil-level checking point FIG. 6-1...

  • Page 113: Periodic Inspection And Maintenance Table

    TG6407, 6507, 6557, 6687 PERIODIC INSPECTION AND MAINTENANCE TABLE  : Inspect, replenish or adjust  : Replace  : Clean or wash  : Replacement or servicing at authorized service facility recommended. TABLE 13: Maintenance table Remarks Replace after initial 50 hours...
  • Page 114 LUBRICATION & PERIODIC MAINTENANCE  : Inspect, replenish or adjust  : Replace  : Clean or wash  : Replacement or servicing at authorized service facility recommended. Remarks Replace after initial 50 hours 17 Transmission oil    and then every 400 hours.
  • Page 115 TG6407, 6507, 6557, 6687  : Inspect, replenish or adjust  : Replace  : Clean or wash  : Replacement or servicing at authorized service facility recommended. Remarks Air conditioner Inspect every 200 hours.     ...

  • Page 116: Service Access

    LUBRICATION & PERIODIC MAINTENANCE SERVICE ACCESS CAUTION: Shut off the engine before servicing tractor. Engine hood must be secured prior to operating tractor. To access radiator, battery and engine components, engine hood can be opened. Opening / Closing Hood FIGS. 6-2 & 6-3: To open the hood, use the tool (1) which is attached to the engine key.

  • Page 117: Lubrication Details

    NOTE: When operating in muddy or extremely wet conditions, daily lubrication of fittings is recommended. Engine Oil & Filter (TG6407) Low-ash engine oil (Oil quality: API standard CK-4 or JASO standard DH-2)) must be replaced. F: Full NOTE: Using not applicable engine oil would cause early DPF clogging due to the ash.

  • Page 118: Engine Oil & Filter (Tg6507 / 6557 / 6687)

    LUBRICATION & PERIODIC MAINTENANCE FIG. 6-9: To Replace Engine Oil Filter - Remove engine oil filter (4) from engine and take the old filter to a proper disposal point. Make sure that original filter gasket has been removed. Lubricate new gasket on the new element with clean engine oil.

  • Page 119: Transmission Oil & Filters

    TG6407, 6507, 6557, 6687 FIG. 6-13: To Replace Engine Oil Filter - Remove the oil filter (4) from the engine and take the old filter to a proper disposal point. Make sure that the original filter gasket has been removed.
  • Page 120 LUBRICATION & PERIODIC MAINTENANCE FIG. 6-16: To Clean Transmission Oil Filter (Stan- dard type) - With oil drained, unscrew transmission oil filter (4) from adapter (filter wrench may be required), and transmission oil suction filter (5) from transmis- sion case. Clean it, dry thoroughly and reinstall.

  • Page 121: Front Axle Oil

    TG6407, 6507, 6557, 6687 Front Axle Oil Front drive axle has a common oil level for front dif- ferential housing and each wheel reduction unit. Oil level should be checked every 200 hours of tractor operation. The oil should be changed every 600 hours of operation.

  • Page 122: Flushing Radiator / Replacing Coolant

    LUBRICATION & PERIODIC MAINTENANCE Flushing Radiator / Replacing Coolant FIG. 6-21 : Pull out the drain hose (1) at the right side of the engine to drain coolant. Open the radiator cap (2) at the same time to help the coolant to drain. Re- move the reserve tank (3) to drain coolant from it.

  • Page 123: Fan Belt

    TG6407, 6507, 6557, 6687 Cleaning Radiator Core Wash away any dirt or other foreign matter in the fins and the radiator core (2) with water. IMPORTANT: When the radiator becomes clogged, it will overheat, resulting in increased oil consumption. Be careful not to apply high pressure water directly to the radiator as this may result in deformation of the fins.

  • Page 124: Engine Air Cleaner

    LUBRICATION & PERIODIC MAINTENANCE ENGINE AIR CLEANER IMPORTANT: Never attempt to start the engine without the air cleaner elemet. Such operation will cause engine trouble. Cleaning Air Cleaner / Vacuator Valve FIGS. 6-25 & 6-26: Engine air cleaner (1) is located above the engine.

  • Page 125: Fuel System

    TG6407, 6507, 6557, 6687 FUEL SYSTEM Use only clean diesel fuel of correct grade. Introduc- tion of water or dirt into fuel tank or other portion of fuel system can cause repeated plugging of fuel filter and possible injection pump and injector damage.

  • Page 126: Air-Bleeding Fuel System

    LUBRICATION & PERIODIC MAINTENANCE sticking to their seal parts. 5. Install the cover. *Tighening torque: 14.7 - 19.6 N･m 6. Bleed the air by hand pump (4). DANGER: ・ S moking is prohibited when the fuel strainer is being cleaned or inspected. ・ K eep away sparks and open flames from the strainer.

  • Page 127: Throttle Lever

    TG6407, 6507, 6557, 6687 Throttle Lever FIG. 6-32: Hand throttle lever (1) should remain in position selected by operator. Through normal use, friction against lever may decrease, causing lever to move out of selected position. Turn adjusting nut (2) as required to retain throttle lever in position selected.

  • Page 128: Air Conditioner Filter

    LUBRICATION & PERIODIC MAINTENANCE AIR CONDITIONER FILTER Inspect and clean air conditioner filter once a month. Otherwise, lowering of air volume or the breakage of air conditioner could be caused. NOTE: Depending on using condition, inspecting and cleaning interval is changed. FIG.

  • Page 129: Electrical System

    TG6407, 6507, 6557, 6687 ELECTRICAL SYSTEM Battery FIG. 6-38: Battery (1) is located under engine hood in front of radiator. When battery is removed, electrolyte inspection or cable cleaning is necessary. Keep top of battery clean and ensure cable connec- tions are clean and tight.
  • Page 130 (1) grounded to tractor frame can be connected to negative (-) battery terminal. NOTE: Make sure that replacement battery is same size and equal capacity. (TG6407: 80D26R, TG6507 / 6557 / 6687: 115D31R) IMPORTANT: Do not reverse battery cable connec- tions as severe electrical system dam- FIG.

  • Page 131: Safety Switches

    TG6407, 6507, 6557, 6687 Safety Switches This tractor is equipped with a neutral-start system consisting of neutral switches and a relay. To start tractor, ALL the following is required: • Operators seated on the seat • PTO Switch in Off position •...

  • Page 132: Fuse Location

    LUBRICATION & PERIODIC MAINTENANCE Fuse Location FIGS. 6-41 & 6-42: Main Fuse Box (A) - Located at the left-hand side of steering post. TABLE 14: Function of main fuse box Ref. Function Instrument Panel Power Supply Parking brake lamp Stop Lamp, Horn Hazard Warning Lamp Headlamp, Position lamp, Rear Registration Plate Lamp...
  • Page 133 TG6407, 6507, 6557, 6687 FIGS. 6-41 & 6-44: Slow-Blow Fuses (C1 & C2) - In-line fuses protect relevant circuit by melting when sustained heavy electrical load or short circuit is en- countered. Fuse (C1 & C2) is located at the left-hand side of engine.

  • Page 134: Fuse Location (Cabin Type)

    LUBRICATION & PERIODIC MAINTENANCE Fuse Location (Cabin Type) FIGS 6-45 & 6-46: Cabin Fuse Box (P) - Located at the right-hand side of the operator’s seat FIG. 6-45 TABLE 21: Function of cabin fuse box Ref. Function Front Working Lamp Rear Working Lamp Audio (ACC) Air Conditioner Relay...

  • Page 135: Clutch Free-Play Adjustment

    TG6407, 6507, 6557, 6687 CLUTCH FREE-PLAY ADJUSTMENT FIG. 6-47: Check clutch pedal free-play regularly and adjust as necessary. Correct clutch pedal free-play, A, is 25 to 35 mm (1 to 1 - 3 / 8”) when measured at the end of the pedal as shown.

  • Page 136: Wheels & Tires

    If tires have deep scratches, cuts or Rear 355 / 80D20 100kpa 1.0kgf/cm2 101A4 punctures, the respective tire should be repaired or TG6407 Front 260 / 70R16 240kpa 2.4kgf/cm2 109A8 Turf replaced by qualified personnel as soon as possible.

  • Page 137: Front Wheel Spacing

    TG6407, 6507, 6557, 6687 Front Wheel Spacing FIG. 6-53: Front 4WD Wheels - Ag tires, turf tires can- not be reversed. TABLE 23: Front wheel setting Location / Setting Model Size Type (mm) 8-16 1 200 Agri 260 / 70R16...
  • Page 138 LUBRICATION & PERIODIC MAINTENANCE FIGS. 6-55 & 6-56 & 6-57: Tighten all wheel bolts TG6407 securely and recheck after short period of operation. TABLE 24: Agricultural rear tire settings Location / Setting Model Ref. Size Type (mm) 1 100 1 180 13.6-24 4PR...

  • Page 139: Steering Free-Play

    TG6407, 6507, 6557, 6687 Steering Free-Play FIG. 6-58: Steering should be checked for excessive looseness, as indicated by steering wheel free-play. Maximum free-play is approximately 30 mm (1.25”) when measured at outside of steering wheel rim. Excessive free-play can be caused by: •...

  • Page 140: Storage

    LUBRICATION & PERIODIC MAINTENANCE STORAGE FIG. 6-61 6-62: If tractor is to be stored for extended Standard type HST type periods, such as off-season non-use, certain mea- sures should be taken for its preservation during such periods. These measures will vary according to geo- graphical area and storage season.

  • Page 141: Washing The Machine

    TG6407, 6507, 6557, 6687 WASHING THE MACHINE Wash the machine periodically. Carefully wash the area where mud spatters easily such as inner part. CAUTION: If you use high pressure washer, be sure to use in accordance with this operator’s manual and safety label of washer.

  • Page 142: Major Consumables List

    LUBRICATION & PERIODIC MAINTENANCE MAJOR CONSUMABLES LIST ROPS type Rear ROPS Type Center ROPS Type FIG. 6-64 AIR CLEANER FILTER BLADE FUSE COMP 32V05A 32V10A 32V15A 32V20A 32V25A 32V30A FUEL FILTER ASSY SLOW BLOW FUSE FUEL FILTER ELEMENT ENGINE OIL FILTER HEAD LAMP BULB / 12V / 60 / 55W NUMBER PLATE LAMP...
  • Page 143 TG6407, 6507, 6557, 6687 PARTS NAME MODEL PARTS CODE TG6407 1848-104-210-00 AIR CLEANER FILTER COMP TG6507 / 6557 / 6687 1809-104-600-10 FUEL FILTER ASSY 6213-200-020-00 FUEL FILTER ELEMENT 6213-240-012-00 ENGINE OIL FILTER 6213-240-005-10 TRANSMISSION OIL FILTER (20 µm) Standard type...

  • Page 144: Cabin Type

    LUBRICATION & PERIODIC MAINTENANCE CABIN type FIG. 6-65 AIR CLEANER BLADE FUSE FILTER COMP 32V05A 32V7.5A 32V10A 32V15A 32V20A 32V25A 32V30A FUEL FILTER ASSY SLOW BLOW FUSE FUEL FILTER ELEMENT ENGINE OIL FILTER HEAD LAMP BULB / 12V / 60 / 55W NUMBER PLATE LAMP BULB / 12V / 5W WORKING LAMP...
  • Page 145 TG6407, 6507, 6557, 6687 PARTS NAME MODEL PARTS CODE TG6407 1801-104-203-00 AIR CLEANER FILTER COMP TG6507 / 6557 / 6687 1803-104-203-00 FUEL FILTER ASSY 6213-200-020-00 FUEL FILTER ELEMENT 6213-240-012-00 ENGINE OIL FILTER 6213-240-005-10 TRANSMISSION OIL FILTER (20 µm) Standard type...

  • Page 146: Troubleshooting

    TROUBLESHOOTING TROUBLESHOOTING ENGINE Problem Possible Cause Remedy Starter motor does not Gear shift lever not in neutral Place gear shift lever in neutral. operate with key turned to PTO clutch engaged Turn off PTO switch. START Broken safety switch Consult your dealer. Discharged battery Charge battery.

  • Page 147: Clutch

    TG6407, 6507, 6557, 6687 Problem Possible Cause Remedy Poor engine output Seized fuel injectors and / or carbon Consult your dealer. deposit Insufficient compression or leaking Consult your dealer. valves Incorrect valve clearances Consult your dealer. Incorrect fuel injection timing Consult your dealer.

  • Page 148: Hydraulic System

    TROUBLESHOOTING HYDRAULIC SYSTEM Problem Possible Cause Remedy Insufficient oil pressure Low engine speed Increase speed. Low transmission oil Fill to specified level. Intake piping is sucking air Retighten clamps or replace cracked pipes and defective O-rings. Clogged oil filter (s) Clean or replace.

  • Page 149: Hst System (Hst Type)

    TG6407, 6507, 6557, 6687 HST SYSTEM (HST TYPE) Problem Possible Cause Remedy Despite depressing HST pedal, Disconnected HST pedal sensor coupler Connect tractor does not move Disconnected arm of HST pedal sensor Check and assemble Broken HST pedal sensor Consult your dealer...

  • Page 150: Fault Code List

    TROUBLESHOOTING FAULT CODE LIST TG6407/6507 TG6507/6687 TG6557 TG6687 Fault description SPN FMI Dual Standard Standard clutch less than specified value 1001 ● (disconnection) 3-point linkage position more than specified value control lever 1001 ● (5V) abnormal specified value 1001 ●...
  • Page 151 TG6407, 6507, 6557, 6687 TG6407/6507 TG6507/6687 TG6557 TG6687 Fault description SPN FMI Dual Standard Standard clutch abnormal mutual 36 Clutch pedal switch 3150 ● determination doesn't turn ON 3151 ● Clutch pedal switch doesn't turn OFF 3151 ● 39 “Contact point logic noncoincidence 1” between 3151 ●...
  • Page 152 TROUBLESHOOTING TG6407/6507 TG6507/6687 TG6557 TG6687 Fault description SPN FMI Dual Standard Standard clutch 61 Tire diameter setting data 9502 ● ● ● ● Controller memory deter- 1111 ● mine abnormality HST characteristic adjustment interruption 2222 ● adjustment abnormality viecle speed rotation sen- 5555 ●...

  • Page 153: Specifications

    TG6407, 6507, 6557, 6687 SPECIFICATIONS ENGINE Make ......................Iseki Diesel Model E3FH-TDEB07: TG6407 Dual Clutch (Rear ROPS) E3FH-TDEB06: TG6407 Dual Clutch (CABIN) E4FH-TDEB03: TG6507 HST (CABIN) E4FH-TDEB01: TG6507 Dual Clutch (CABIN) E4FH-TDEB04: TG6657 Standard (CABIN) E4FH-TIDEB01: TG6687 Standard (Rear / Center ROPS)

  • Page 154: Cabin

    SPECIFICATIONS CABIN TG6407 / 6507 / 6557 / 6687 Category according to EN 15695-1: 2009........... Category II Air conditioning unit of this tractor contains fluorinated greenhouse gas Type of F-gas..................HFC-134a Quantity per unit ..................0,95 kg CO2 equivalent quantity per unit .............1,3585 t GWP ......................1 430...

  • Page 155: Power Take Off (Pto)

    TG6407, 6507, 6557, 6687 POWER TAKE OFF (PTO) TG6407 (Dual Clutch type) TG6507 (Dual Clutch type) Type ..........Independent, engine driven ......Independent, engine driven Control ..........Electro-hydraulic control .........Electro-hydraulic control Clutch ........ Hydraulically engaged, multi-plate wet disc ... Hydraulically engaged, multi-plate wet disc Rear PTO Shaft .......

  • Page 156: Hydraulic System

    SPECIFICATIONS HYDRAULIC SYSTEM TG6407 (Dual Standard type) TG6507 (Dual Clutch type) Steering System Type............. Hydrostatic ............. Hydrostatic Pump .........Transmission-mounted gear pump ....Transmission-mounted gear pump Maximum Output .......20.2 liter / min ..........21.1 liter / min Pressure ......Relief valve setting 110 kgf/cm .....

  • Page 157: Electrical System

    TG6407, 6507, 6557, 6687 ELECTRICAL SYSTEM TG6407 TG6507 / 6557 TG6687 System Voltage....12 volt, negative (-) ground..12 volt, negative (-) ground..12 volt, negative (-) ground Battery cca @ -18 degrees C (0 degrees F) ..582 cca (EN) <80D26R> ..... 600 cca (EN) <115D31R> .... 600 cca (EN) <115D31R>...

  • Page 158: Tread Width Setting

    SPECIFICATIONS TREAD WIDTH SETTING TG6407 Front tire Rear tire Type : Size Setting (mm) Type : Size Ref. Setting (mm) Agri : 8-16........1 200 ...Agri : 13.6-24 ..... 1 ....1 100 2 ....1 180 3 ....1 290 4 ....1 360 Agri : 260 / 70R16 ......1 250 ..Agri : 380 / 70R24 ..

  • Page 159: General Dimensions

    TG6407, 6507, 6557, 6687 GENERAL DIMENSIONS Rear ROPS Type Model TG6407 (Dual Clutch type) Tire Type Agri Turf Turf Agri Turf Front 8-16 212 / 80D-15 260 / 70R16 260 / 70R16 27x10.50-15 Rear 13.6-24 355 / 80D-20 380 / 70R24 380 / 70R24 41x14.00B20...
  • Page 160 SPECIFICATIONS Model TG6687 (Standard type) Tire Type Agri Turf Turf Agri Turf Front 9.5-16 29X12.00-15 280 / 70R16 280 / 70R16 10x16.5 Rear 13.6-28 475 / 65D20 420 / 70R24 420 / 70R24 17.5L24 Height Over ROPS 2 635 2 545 2 605 2 605 2 605...

  • Page 161: Center Rops Type

    TG6407, 6507, 6557, 6687 Center ROPS Type Model TG6687 (Standard type) Tire Type Agri Turf Turf Agri Turf Front 9.5-16 29X12.00-15 280 / 70R16 280 / 70R16 10X16.5 Rear 13.6-28 475 / 65D20 420 / 70R24 420 / 70R24 17.5L24...

  • Page 162: Cabin Type

    SPECIFICATIONS CABIN Type Model TG6407 (Dual Clutch type) Tire Type Agri Turf Turf Agri Turf Front 8 - 16 212 / 80D15 260 / 70R16 260 / 70R16 27X10.50-15 Rear 13.6 - 24 355 / 80D20 380 / 70R24 380 / 70R24 41X14.00B20...
  • Page 163 TG6407, 6507, 6557, 6687 Model TG6507 (Dual Clutch) Tire Type Agri Turf Turf Agri Turf Front 9.5 - 16 29X12.00-15 280 / 70R16 280 / 70R16 10X16.5 Rear 13.6 - 28 475 / 65D20 420 / 70R24 420 / 70R24 17.5L24...
  • Page 164 SPECIFICATIONS Model TG6687 (Standard type) Tire Type Agri Turf Turf Agri Turf Front 9.5 - 16 29X12.00-15 280 / 70R16 280 / 70R16 10X16.5 Rear 13.6 - 28 475 / 65D20 420 / 70R24 420 / 70R24 17.5L24 Height 2 325 2 235 2 295 2 295...

  • Page 165: Axle Loads & Tire Load Carrying Capacity

    TG6407, 6507, 6557, 6687 AXLE LOADS & TIRE LOAD CARRYING CAPACITY TABLE 27: Load capacity Front Tire Rear Tire Maximum Maximum Maximum Tire Model Front Axle Rear Axle Total Load Load Capacity Load Capacity Type Size Size Load (kg) Load (kg)

  • Page 166: Noise Declaration

    TABLE 28: Driver perceived sound level (Regulation(EU)No 1322/2014) Cab / openings Cab / openings ROPS closed open Model Type ROPS / Cabin (dB(A)) (dB(A)) (dB(A)) Dual Clutch ROPS (Rear) 82.9 TG6407 Dual Clutch Cabin 78.3 80.1 Dual Clutch Cabin 80.5 81.5 TG6507 Cabin 80.4 82.0 TG6557 Standard Cabin 80.1...

  • Page 167: Front Weight

    Sun visor 1792-760-200-00 for CABIN type Weight 1774-922-200-10 for all models Hook 1792-760-230-00 for CABIN type Joystick 1817-511-300-10 for TG6687 Ball (Category 2) 1817-514-002-00 for TG6687 (Standar type) NOTE: When attaching non-ISEKI authorized parts, consult your dealer.
  • Page 168 MEMO...

  • Page 169: Index

    TG6407, 6507, 6557, 6687 INDEX Numeric crankcase breather 126 cruise control 59 3-point linkage 79 4-wheel drive 68 7 pins socket 96 defrosting system 107 Alphabet differential lock 66, 68 dimensions 158 dismantling and disposal 15 doors adjustment lock / unlock 99...
  • Page 170 INDEX fuel gauge 38 major consumables list 141 fuel system 124 manual regeneration 43 fuel tank 109 mid PTO operating control 75 fuel tank filler cap 125 mid PTO selector lever 74 fuse location 131, 133 mid PTO shaft 71 model / serial number 26 model type designation 25 gear shift display 39...
  • Page 171 TG6407, 6507, 6557, 6687 maintenance 22 ventilation control lever 105 service access 115 vibration declaration 166 shift lever 55, 58, 63 side cover 115 warm up period 52 specifications 152 washer reservoir 104 ramps 12 washing the machine 140 specifications & capacities 109...

  • Page 172: Tg6507 (Dual Clutch Type)

    TG6407 TG6507 TG6557 TG6687 Overseas Business Division 5-3-14, Nishi-Nippori, Arakawa-ku, Tokyo 116-8541, Japan Phone: (03) 5604-7658 Fax: (03) 5604-7703 Parts code: 1815-912-105-0-EN Publishing date: 20th NovemberJune 2020 Printed in Japan...

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