Download
Share
Print this page
Iseki SF544 Operator's Manual
  1. Manuals
  2. Brands
  3. Iseki Manuals
  4. Lawn Mower
  5. SCMA54
  6. Operator's manual
Iseki SF544 Operator's Manual

Iseki SF544 Operator's Manual

Front mowers
Hide thumbs

Advertisement

Quick Links

Download this manual
I S E K I F R O N T M O W E R S
O p e r a t o r ' s
M a n u a l
FRONT MOWERS:
SF544 & SF551
MOWER DECKS:
SCMA54 & SCMA60
COLLECTOR:
SBC1300
ENGLISH
- Original Instructions -

Advertisement

loading
Need help?

Need help?

Do you have a question about the SF544 and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Iseki SF544

Summary of Contents for Iseki SF544

  • Page 1 I S E K I F R O N T M O W E R S O p e r a t o r ’ s M a n u a l FRONT MOWERS: SF544 & SF551 MOWER DECKS: SCMA54 & SCMA60 COLLECTOR:...

  • Page 2: Introduction

    INTRODUCTION INTRODUCTION Thank you very much for purchasing an ISEKI front mower. This operator's manual provides the information necessary for operating and maintaining your front mower safely and properly. The contents are mainly composed of the following two items: SAFETY INSTRUCTION: Essential items which you should observe while operating the front mower.
  • Page 3 SF544,551...

  • Page 4: Table Of Contents

    TABLE OF CONTENTS TABLE OF CONTENTS INTRODUCTION ............1.15. ECO-MODE SWITCH ......TABLE OF CONTENTS ........... 2. CONTROL PEDALS & LEVERS ....1. FOR SAFE OPERATION ........2.1. BRAKE PEDAL........1. HOW TO BE A SAFE OPERATOR ....2.2. HST FORWARD TRAVEL PEDAL ..2.
  • Page 5 SF544,551 23. FUSES AND WIRING ........8. PERIODICAL INSPECTION TABLE ....113 24. HYDRAULIC SYSTEM PARTS ..... 5. STORING THE MOWER ........114 25. SAFETY SWITCHES ........26. WASHING OF THE MACHINE ...... 6. TROUBLESHOOTING ......... 115 27. FILLING DIAGRAM ........

  • Page 6: For Safe Operation

    CHAPTER 1. FOR SAFE OPERATION CHAPTER 1. FOR SAFE OPERATION DANGER : Failure to observe the following safety instructions can result in serious injury or death. As the owner or operator of the front mower, you are responsible for preventing accidents or injuries. HOW TO BE A SAFE OPERATOR 1.1.

  • Page 7: Before Starting The Front Mower

    SF544,551 1.9. Inspect the front mower periodically. If not, this may not only shorten the front mower's service life but also make safe and efficient operation impossible. 1.10. Never use the front mower out of normal usage even if it is not mentioned at this operator's manual.
  • Page 8 CHAPTER 1. FOR SAFE OPERATION 2.11. Become familiar with the operation, particularly, the stopping of the front mower. You should be skilfull enough to be able to stop the front mower at will. 2.12. Use only attachments and accessories approved by the manufacturer and install and operate them as directed.

  • Page 9: Operation Of The Front Mower

    SF544,551 OPERATION OF THE FRONT MOWER 3.1. When the front mower is running, stay away from the discharge opening, the cutting unit(s), and all moving parts. 3.2. During operation, never allow anyone, especially children, and animals to be in the vicinity of the front mower.
  • Page 10 CHAPTER 1. FOR SAFE OPERATION 3.14. Be alert when you approach blind corners and objects that may obscure your vision. Watch for holes, ruts, or bumps. Tall grass can hide obstacles. 3.15. Never rest a foot on the brake pedal. If so, the brakes disc wear rapidly, which may lead to serious accidents.
  • Page 11 SF544,551 3.25. Stop the cutting unit(s) when you are crossing gravel areas 3.26. Watch for traffic when you are operating the front mower near a roadway or when crossing a roadway. 3.27. Never attempt to use the front mower to draw an implement or a trailer.

  • Page 12: Operation On A Slope

    CHAPTER 1. FOR SAFE OPERATION OPERATION ON A SLOPE DANGER : Slopes are a major factor related to accidents with front mowers, resulting in severe injuries. We cannot recommend the front mower with mower deck be operated on a slope. All slopes require extra caution;...

  • Page 13: Driving On Public Roads

    SF544,551 4.3. E v a l u a t e t h e t e r r a i n t o d e t e r m i n e w h a t accessories and attachments you will need to be safe.

  • Page 14: Loading Onto Or Unloading From Atruck

    CHAPTER 1. FOR SAFE OPERATION LOADING ONTO OR UNLOADING FROM A TRUCK 6.1. When loading the front mower onto a truck, turn off the truck's engine, apply the parking brakes to the truck, and chock the wheels to avoid unexpected moving of the truck or trailer. 6.2.

  • Page 15: When Filling With Fuel

    SF544,551 WHEN FILLING WITH FUEL DANGER : Fuel is highly flammable and explosive. Take the following precautions. 7.1. Do not add or drain fuel indoors, while smoking, or near a source of flame. 7.2. Do not remove the fuel tank cap or add fuel to the tank while the engine is running or hot.

  • Page 16: Inspection And Maintenance

    CHAPTER 1. FOR SAFE OPERATION M O U N T I N G A N D D I S M O U N T I N G O F T H E MOWER DRIVE SHAFT The mower gear box is driven through a drive shaft with universal joints from the front mower.
  • Page 17 SF544,551 10.8. Never remove the radiator cap while the engine is hot or running. Wait until the engine cools down and then relieve the radiator pressure by releasing the radiator cap. Carelessly pouring cooling water into the heated radiator can cause serious damage to the radiator and the engine.
  • Page 18 10.28. Never attempt unauthorized modification of the front mower as this could be very hazardous. Damaged or worn parts should be replaced with ISEKI genuine spare parts. Unauthorized parts may cause breakdown of the front mower, accidents, and ISEKI warranty to expire.
  • Page 19 SF544,551 10.32. There are high voltage circuits in electric parts which controls engine, and related connectors and harnesses. Therefore, do not disassemble them. 10.33. Avoid cleaning ECU, connectors, harnesses and other electric parts with high pressure water.

  • Page 20: Maintenance Of The Electric System

    CHAPTER 1. FOR SAFE OPERATION MAINTENANCE OF THE ELECTRIC SYSTEM 11.1. TO MAINTAIN ELECTRIC WIRING When servicing the electric wiring, stop the engine without fail. Otherwise your hands or clothes may be caught in or sandwiched between rotating parts. Before manipulating electric parts, be sure to disconnect the earth battery cable (-), or you may get an electric shock or be injured by sparks.

  • Page 21: Tires And Wheels

    SF544,551 TIRES AND WHEELS 12.1. Be sure to keep tire pressures at the levels specified in this manual. Excessively high tire pressure may result in explosion, which may lead to physical accidents. 12.2. If a cut is found in a tire and the cut reaches the cords, do not use it.

  • Page 22: Long Term Storage

    CHAPTER 1. FOR SAFE OPERATION LONG TERM STORAGE 14.1. Never store the mower with fuel in the tank inside a building where fumes can reach an open flame or spark 14.2. Lower the cutting unit(s) when you store the front mower, unless you lock the cutting unit(s) into position.

  • Page 23: Caution Labels & Their Positions

    SF544,551 CAUTION LABELS & THEIR POSITIONS The following labels are stuck on the front mower and mower deck. You should of course read the caution instructions in the manual. But never fail to read the labels on the front mower as well. Their respective code numbers are also mentioned below, so order them from your dealer if any of them are lost or damaged.
  • Page 24 CHAPTER 1. FOR SAFE OPERATION (1) Caution label (2) Battery label (Code No. 1705-904-004-0) (Code No. 1705-904-002-1) WARNING: BEFORE OPERATION Read the safety and operating instructions in the operation manual before operating the front mower. WARNING: RISK OF EXPLOSION Keep away from sparks of flames, which could WARNING: BEFORE SERVICING cause explosion.
  • Page 25 SF544,551 (3) Battery disposal label (5) Hot-part warning label (Code No. 8595-901-007-0) (Code No. 1728-903-003-0) WARNING: HOT SURFACES, RISK OF BURNS ON HANDS AND FINGERS CAUTION: RISK OF ENVIRONMENT Stay clear of the heated parts until they cool down sufficiently.
  • Page 26 CHAPTER 1. FOR SAFE OPERATION (9) Radiator warning label (12) ROPS label (Code No. 1705-902-008-0) (Code No. 1674-904-005-1) WARNING: HIGH PRESSURE STEAM AND HOT WATER Never remove the radiator cap during or just after operation. The water in the radiator is very hot and highly pressurized, which could cause burns.
  • Page 27 SF544,551 On the mower deck SCMA54 SCMA60...
  • Page 28 CHAPTER 1. FOR SAFE OPERATION (1) Danger label (Code No. 2500-901-014-3) WARNING: RISK OF INJURY Stay clear of the mower blades while the engine is running. (2) Hot-part warning label (Code No. 8595-901-007-0) WARNING: HOT SURFACES, RISK OF BURNS ON HANDS AND FINGERS Stay clear of the heated parts until they cool down sufficiently.
  • Page 29 SF544,551 On the collector (1) Collector caution label (4) Maintenance label (Code No. 8664-955-002-0) (Code No. 1593-901-015-0) WARNING: BEFORE SERVICING Shut off the engine and remove the starter key before WARNING: RISK OF CRUSHING performing maintenance or repair work. Stay clear of the lifted container ・Maintenance of the caution labels...

  • Page 30: Warranty And After-Sale Care

    As for breakdown or question about the front mower, mower deck and collector, consult with your dealers identifying the model and serial number of your front mower. SERIAL NUMBER PLATE Front mower (SF544 & SF551) The model name and serial number for both machine and engine are found in the serial number plates on the left-hand side frame near the rear tire.

  • Page 31: Specifications

    SF544,551 CHAPTER 3. SPECIFICATIONS FRONT MOWERS Model SF544 SF551 Overall length 2 940 mm (115.7 in.) Overall width 1 305 mm (51.4 in.) Overall height 2 160 mm (85.0 in.) Front 1 000 mm (39.4 in.) Dimensions Tread Rear 9 95 mm (39.2 in.) Wheel base 1 580 mm (62.2 in.)

  • Page 32: Mower Decks

    CHAPTER 3. SPECIFICATIONS MOWER DECKS Model SCMA 54-SF450E4 SCMA 60-SF551E4 Type Rotary mower Cutting width 1 372 mm (54 in.) 1524 mm (60 in.) No. of blades 2 x 2 Overall length 1 010 mm (39.8 in.) 1 288 mm (50.7 in.) Dimensions Overall width 1 440 mm (56.7 in.)

  • Page 33: Front Mower Section

    SF544,551 ISEKI FRONT MOWERS FRONT MOWER SECTION...
  • Page 34 CHAPTER 4. NAME OF MAJOR COMPONENTS...

  • Page 35: Name Of Major Components

    SF544,551 CHAPTER 4. NAME OF MAJOR COMPONENTS FIG. 26 (1) Mower lift lever (2) Dif-lock pedal (3) Parking brake lever (4) Throttle lever (5) Collector dump lever (6) Collector lift lever (7) Tilt and telescope lock lever (8) Brake pedal...

  • Page 36: Controls And Meters

    CHAPTER 5. CONTROLS AND METERS CHAPTER 5. CONTROLS AND METERS CONTROL PANEL FIG. 27 Starter switch Combination switch Beacon switch Hazard switch PTO switch Mode select switch Blower low rotation speed switch Collector extened working switch Monitor lamp array (10) DPF manual regeneration switch (11) DPF regeneration inhibit switch...

  • Page 37: Starter Switch

    SF544,551 1.1. STARTER SWITCH OFF position: Engine stops and all electric circuits are turned off. ON position: Key turns to this position after starting the engine and remains at this position during operation. START position: Starter motor is switched on.

  • Page 38: Pto Switch

    CHAPTER 5. CONTROLS AND METERS 1.5. PTO SWITCH PTO switch (1) engages and disengages both blower and mower PTO. To engage PTO, twist PTO switch (1) to right and pull it To disengage PTO, push in PTO switch (1). This switch is spring loaded and automatically returns to off position.

  • Page 39: Monitor Lamp Array

    SF544,551 FIG. 32 1.9. MONITOR LAMP ARRAY Turn signal lamp (left-hand side): The lamp is Mower mode lamp: The lamp illuminates when blinked while the turn signal switch is in the left- mode select switch is set to "Mower operating hand turn position, or hazard switch is ON mode"...
  • Page 40 CHAPTER 5. CONTROLS AND METERS Reverse radiator fan lamp: The lamp illuminates while the radiator fan turns in reverse. Turn signal lamp (right-hand side): The lamp illuminates while the turn signal switch is in the right-hand turn signal, or hazard switch is ON position.
  • Page 41 SF544,551 Engine coolant warning lamp: The lamp illuminates while the engine coolant is over- heated. IMPORTANT: When the engine coolant is over-heated, the monitor lamp is illuminated, and PTO stops. At the same time the warn- ing horn sounds for 2 seconds.
  • Page 42 CHAPTER 5. CONTROLS AND METERS Exhaust gas high-temperature & Diesel exhaust gas treatment system warning lamp: The lamp illuminates when the exhaust gas becomes hot. During DPF regeneration, exhaust gas becomes hot and the lamp illuminates. IMPORTANT: When the lamp is illuminated which means that exhaust gas is hot, you can continue operating but do not operate near long grasses and burnable stuff.

  • Page 43: Fuel Gauge

    SF544,551 1.10. FUEL GAUGE Fuel gauge (1) indicates fuel level in the fuel tank when the starter switch is at the "ON" position. NOTE: The gauge cannot indicate an accurate fuel level when the front mower is on the slope. It...

  • Page 44: Dpf Regeneration

    CHAPTER 5. CONTROLS AND METERS 1.14. DPF REGENERATION DPF (Diesel particulate filter) is equipped for collecting 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 SF544,551 <Soot amount from 120 to 140%: Manual regeneration 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%. This means that DPF regeneration is required immediately.
  • Page 46 CHAPTER 5. CONTROLS AND METERS How to solve Warning Output limitation Soot Regeneration Diagnosis DPF status Operated amount Buzzer request lamp lamp 1st stage 2nd stage (Blinking) (Lighting) ･Output 50% After 1hr Overload over ･Engine (Engine (2nd stage) 160% replacement 1 500rpm 1 200rpm) Malfunction...

  • Page 47: Dpf Regeneration Switch

    SF544,551 1.14.1. DPF REGENERATION SWITCH DPF regeneration switch is for conducting "DPF manual regeneration". When Manal regeneration is required. • Buzzer sounds • Regeneration request lamp (1) blinks Stop operating and release the HST pedal, and set the throttle lever to idling speed. Apply parking brake.

  • Page 48: Eco-Mode Switch

    CHAPTER 5. CONTROLS AND METERS 1.15. ECO-MODE SWITCH Eco-mode switch (1) is for reducing maximum engine rpm. While Eco-mode switch is ON, maximum engine rpm becomes 2 550min-1 which is 300 rpm lower than standard engine rpm 2,860 min-1. CONTROL PEDALS & LEVERS 2.1.

  • Page 49: Dif-Lock Pedal

    SF544,551 2.4. DIF-LOCK PEDAL To minimize the turning radius of the front mower, the differential gear system is installed, which causes the right and left driving wheels to turn at different speed when turning. On the other hand, it causes the wheels to slip on wet grass or soft ground.

  • Page 50: Parking Brake Lever

    CHAPTER 5. CONTROLS AND METERS 2.6. PARKING BRAKE LEVER Use parking brake lever when parking the front mower. Pull up the lever, and parking brake is applied. In order to maximize the performance of the parking brake, depress the brake pedal, and then apply the parking brake.

  • Page 51: Fender Panel

    SF544,551 FENDER PANEL 3.1. MOWER LIFT LEVER With this lever, the lift link for mower deck is raised or lowered. DOWN: Move the lever forward, the lift link is lowered. The lever can be held on the lowest position. Return the lever to neutral by hand.

  • Page 52: Other Controls

    CHAPTER 5. CONTROLS AND METERS OTHER CONTROLS 4.1. SAFETY SWITCHES The safety devices are equipped on the operator's seat, brake pedal, engine hood and HST pedal. Before starting the engine, • engine hood must be closed, • operator must be seated on the operator's seat, •...

  • Page 53: Pre-Operational Inspection

    SF544,551 CHAPTER 6. PRE-OPERATIONAL INSPECTION It is essential for avoiding accidents or breakdown during operation to keep the front mower in good condition. The following pre-operational checks should be performed without fail before starting daily operation. WARNING: ・ Before inspection, be sure to park the front mower on a level and hard ground.

  • Page 54: Operation

    CHAPTER 7. OPERATION CHAPTER 7. OPERATION BEFORE STARTING THE ENGINE CAUTION: ・Before starting the engine, be sure to carry out the pre-operation inspection in accordance with the periodical inspection table. ・Follow instructions given in " CHAPTER 1. FOR SAFE OPERATION. " ・Follow instructions given on the caution labels on the front mower, mower deck and collector.
  • Page 55 SF544,551 Turn the starter key to the START position, and the starter is activated to crank the engine. IMPORTANT: Do not hold the starter key more than 10 seconds in the START position. When the engine fails to start, return the key to the OFF position and wait at least 20 seconds before the next starting operation.

  • Page 56: Travelling

    CHAPTER 7. OPERATION TRAVELLING CAUTION: ・Before having become sufficiently familiar with the operation of the front mower, be sure to operate it in a spacious, flat and unobstructed place with good visibility, and confirm the function of each control. ・Check the place to mow beforehand for bumps, ditches, mounds, steps, slopes, inclination, softness, water pools and etc.
  • Page 57 SF544,551 Make sure that the parking brake lever (4) is released. Release the brake pedal gradually. IMPORTANT: For your safety, before moving forward the front mower, check the conditions in front of and around the front mower. WARNING: Never start travelling with...

  • Page 58: Cruise Control

    CHAPTER 7. OPERATION CRUISE CONTROL To set cruise control, depress the HST forward travel pedal (1) until the desired speed is reached, and then depress the cruise control pedal (2). To release the cruise control, depress the brake pedal (3). WARNING: Cruise control should only be used in open and flat spaces, without obstacles, with unobstructed view or...

  • Page 59: Stopping The Engine

    SF544,551 STOPPING THE ENGINE Move the throttle lever (1) to the low speed position to reduce engine speeds. Turn the starter switch to the OFF position to stop the engine. IMPORTANT: ・ Never attempt stopping the engine abruptly when it is running at high speeds, except for emergency case.

  • Page 60: Maintenance

    CHAPTER 8. MAINTENANCE CHAPTER 8. MAINTENANCE When you inspect the engine room, lift up the collector fully, and lock the lift cylinder by the lift cylinder lock plate (1). When you encounter any abnormality or trouble which is not mentioned in this manual, please ask your dealer for service.

  • Page 61: Engine Oil Level

    ・  T he oil level should not exceed the upper limit. Excessive oil will cause engine trouble. ・  U se oil of the quality recommended by ISEKI or 10W- 30 of SAE classification or higher quality. ・  U se oil of proper viscosity in accordance with the FIG.

  • Page 62: Transmission Oil Level (For Hst Case & Pto Case)

    CHAPTER 8. MAINTENANCE TRANSMISSION OIL LEVEL (FOR HST CASE & PTO CASE) Inspection window (1) of oil level (for HST case) is located at the side of the right-hand side fender. Park the machine on level ground. Oil level should be indicated in the window.

  • Page 63: Fuel Level

    SF544,551 FUEL LEVEL Check the fuel level on the fuel gauge (1) on the control panel. The closer the needle is to " " the more fuel is in the fuel tank. Therefore, do not let the fuel gauge reach the empty point, "...

  • Page 64: Air Cleaner

    CHAPTER 8. MAINTENANCE AIR CLEANER The air cleaner (1) is located to the center left-hand side of the front mower. Remove the air cleaner cover by hand. Pinch the vacuum valve (2) to eject the dust accumulated inside. When the dust is wet, wipe it off with dry cloth.

  • Page 65: Fuel Filter

    SF544,551 FUEL FILTER The fuel filter (1) is located at the left side of the front mower. Check the filter element for accumulated dust or water in the bottom of the strainer cup. Fuel filter sedimenter lamp on the meter panel illuminates when dust or water is accumulated in the filter element (2).

  • Page 66: Crankcase Breather

    CHAPTER 8. MAINTENANCE CRANKCASE BREATHER Crankcase breather (1) is located at the top of the engine. Loosen the case (2), and take out the element. Install new filter element. IMPORTANT: Do not reuse the element. Use only genuine filter element. Replace the O-ring of the case at the same time.

  • Page 67: Brake Pedal Play

    SF544,551 BRAKE PEDAL PLAY Depress the brake pedal (1) and apply the parking brake (2). Adjust the length of brake rod (3). Release the parking brake lever and make sure that there is play on the brake arm. DANGER: ・As the front mower is used, the brake pedal play becomes larger.

  • Page 68: Neutral Position Of Hst

    CHAPTER 8. MAINTENANCE NEUTRAL POSITION OF HST WARNING: After a long time of use, the neutral position of the HST unit can shift, which will cause various troubles such as difficulty in stopping the machine, changing over between forward travel and reverse travel, etc., which is very dangerous.

  • Page 69: Wheel Tightening Bolts And Nuts

    SF544,551 13. WHEEL TIGHTENING BOLTS AND NUTS Check the wheel tightening bolts and nuts for looseness All bolts and nuts should be tightened to the specified torque. Specified tightening torque (Bolt): Front wheel: 87.2 N・m 〜 102.9 N・m (890 kgf・cm 〜 1050 kgf・cm) Rear wheel: 137.2 N・m 〜...

  • Page 70: Handling Of The Battery

    CHAPTER 8. MAINTENANCE ■ HANDLING OF THE BATTERY WARNING: ・Be sure to connect the battery terminals correctly. ・The wiring from the battery should be kept clean and connectors tight. Dirty or loose wiring may cause a fire. ・ W h e n d i s c o n n e c t i n g t h e b a t t e r y, disconnect the negative terminal first and vice versa when connecting.

  • Page 71: Tire Pressure (Inflation)

    SF544,551 TIRE PRESSURE (INFLATION) Improper tire pressure causes abnormal wear of the tires and affects the front mower performance. Too high pressure causes the front mower to bounce too much and too low pressure increases travelling resistance, which leads to power loss.

  • Page 72: Engine Oil Replacement

    Remove the oil filler cap (3) at the top of engine and pour in new engine oil through the oil filler. Be sure to use oil recommended by ISEKI. Refer to " 2. FIG. 80 ENGINE OIL LEVEL ".

  • Page 73: Engine Oil Filter

    SF544,551 ENGINE OIL FILTER IMPORTANT: ・ The engine oil filter should be replaced after the initial 50 hours of operation and then after every 500 hours of operation. ・ It is recommended to ask your dealer to replace the engine oil filter, because this operation requires a special tool.

  • Page 74: Suction Filters

    CHAPTER 8. MAINTENANCE Place a tray under the drain plug (1). Remove the drain plug, (1), and let the oil drain out. Wrap the seal tape and reinstall the drain plug, (1), and tighten it securely. Pour new transmission oil through the oil filler on top of the transmission case until the level reaches the upper limit on the level gauge (oil level check window) in referring to "3.

  • Page 75: Radiator

    SF544,551 21. RADIATOR IMPORTANT: ・ The radiator screen and radiator clogged with dust or dirt causes overheating of the engine due to reduced cooling efficiency of the radiator. ・  T he radiator and radiator screen should be checked for clogging everyday before operation.
  • Page 76 Pour the coolant which has a specified antifreeze concentration until it starts overflowing through the coolant filler. Retighten the radiator cap securely. 7.9 liters (SF544) Radiator 8.3 liters (SF551) FIG. 87 Radiator cap Reserve tank 1.0 liters...

  • Page 77: Fuses And Wiring

    SF544,551 FUSES AND WIRING The fuse box (1), service tool coupler (2) and harness coupler for air suspension seat (3) are located inside the front cover (4). A B C D E F G SPARE SPARE SPARE SPARE J K L M N O P Q...

  • Page 78: Hydraulic System Parts

    When hydraulic system parts such as the HST unit, hydraulic pump, control valve, hydraulic cylinder, piping, etc. are required to be adjusted or repaired, consult your ISEKI dealers. Users are advised not to adjust or repair hydraulic system parts by themselves.

  • Page 79: Safety Switches

    SF544,551 SAFETY SWITCHES Safety devices are installed for safe operation. Make sure that each device works properly before operation following procedures. CAUTION: When the engine does not start due to a defective safety switch or does not stop when the operator has left the operator's seat, consult your dealer.

  • Page 80: Washing Of The Machine

    CHAPTER 8. MAINTENANCE 26. WASHING OF THE MACHINE CAUTION: If you use compressed water, be sure to use in accordance with this operator’s manual and safety label. In case of irregular use, it may cause personal injury and damage to the machine. CAUTION: Set the spraying nozzle in ‘spread’...

  • Page 81: Filling Diagram

    SF544,551 FILLING DIAGRAM Ref.No Filling points Lubricants Quantity: liter Radiator LLC50% 7.9 (SF544), 8.3 (SF551) Reserve tank LLC50% 5.0 (SF544) Engine API : CX-4 7.4 (SF551) PTO case SHELLDONAX TD 25.0 HST tank Shell Tellus Oil #46 30.0 Knuckle spindles...

  • Page 82: Periodical Inspection Table

    CHAPTER 8. MAINTENANCE PERIODICAL INSPECTION TABLE : Inspect, replenish or adjust : Replace : Clean or wash : Replacement or servicing at authorized service facility recommended. Ref. Intervals Judgement criteria page Replace after initial 50 Hr. Engine oil Maintain the specified level. and then after every 250 Hr.

  • Page 83: Storage

    SF544,551 CHAPTER 9. STORAGE ■ DAILY AND SHORT TERM STORAGE ■ LONG TERM STORAGE Clean the front mower. Clean the front mower and correct all troubles such as repair, replacement of defective parts, IMPORTANT: When washing the front mower, avoid readjustment, etc.

  • Page 84: Troubleshooting

    CHAPTER 10. TROUBLESHOOTING CHAPTER 10. TROUBLESHOOTING ENGINE Troubles Presumable causes Remedies ・ Operator is not sitting on the seat. ・ Operator sits on the seat. ・ Starter motor does not work. ・ Engine food is opened. ・ Close the engine food completely.
  • Page 85 SF544,551 Troubles Presumable causes Remedies ・ Engine knocks. ・ Malfunction of electronic device ・ Consult your dealer. ・ Incorrect valve clearances ・ Consult your dealer. ・ Engine output is insufficient. ・ No fuel ・ Supply with fuel. ・ Clogged air cleaner ・...

  • Page 86: Engine

    CHAPTER 10. TROUBLESHOOTING Troubles Presumable causes Remedies ・ Exhaust fumes are black. ・ Clogged exhaust system ・ Check muffler for clogging and clean it. ・ Excessive fuel injection rate ・ Consult your dealer. ・ Malfunction of electronic device ・ Consult your dealer. ・...

  • Page 87: Steering System

    SF544,551 Troubles Presumable causes Remedies ・ Lift does not rise. ・ Clogged hydraulic oil filter ・ Consult your dealer. ・ Clogged suction filter ・ Consult your dealer. ・ Defective hydraulic pump ・ Consult your dealer. ・ Defective control valve ・ Consult your dealer.

  • Page 88: Electrical Accessories

    CHAPTER 10. TROUBLESHOOTING ELECTRICAL ACCESSORIES Troubles Presumable causes Remedies ・ Battery is not charged. ・ Melted slow-blow fuse ・ Locate and repair cause of trouble, and install a new slow- blow fuse. ・ Defective wiring ・ Check wiring for loose terminals and earth, and short circuit.

  • Page 89: Fault Code

    SF544,551 FAULT CODE FAULT DESCRIPTION Accel Pedal Sensor No.1(MAIN) Low voltage 0122 Accel Pedal Sensor No.1(MAIN) High voltage 0123 Accel Pedal Sensor No.1(SUB) Low voltage 0222 Accel Pedal Sensor No.1(SUB) High voltage 0223 Accel Pedal Sensor No.2(MAIN) High voltage 2123 Accel Pedal Sensor No.2(MAIN)
  • Page 90 CHAPTER 10. TROUBLESHOOTING FAULT DESCRIPTION Injector power COM2 circuit Open 2798 2149 Injector Coil #1 cylinder Open 0201 Injector Coil #3 cylinder Open 0203 Injector Coil E4FH: #4 cylinder, E3FH: #2 Open 0204 cylinder Injector Coil #2 cylinder Open 0202 Injector booster #1 cylinder Time out 0263...
  • Page 91 SF544,551 FAULT DESCRIPTION Engine revolution Overrun 0219 Glow Relay GND GND short 0541 Glow Relay BATT short or open 0542 Starter relay BATT BATT short 0617 Starter relay GND GND short or open 0616 Coolant overheat buzzer BATT short 516096...
  • Page 92 CHAPTER 10. TROUBLESHOOTING FAULT DESCRIPTION DPF Regeneration (Exhaust gas high BATT short 516098 1612 temperature) Lamp DPF Regeneration (Exhaust gas high GND short 516098 1611 temperature) Lamp 115 DPF Regeneration request lamp BATT short 516099 1614 116 DPF Regeneration request lamp GND short or open 516099 1613...
  • Page 93 SF544,551 FAULT DESCRIPTION 147 DPF System Removed 3936 226E 148 High pressure pump High pressure abnormal 1089 149 Crankshaft pulse & Camshaft pulse Waveform abnormal 0016 150 Boost Pressure sensor Lower limit exceeded 0299 151 Boost Pressure sensor Upper limit exceeded...

  • Page 94: Mower Deck Section

    ISEKI FRONT MOWERS MOWER DECK SECTION...

  • Page 96: Names Of Major Components

    CHAPTER 1. NAMES OF MAJOR COMPONENTS CHAPTER 1. NAMES OF MAJOR COMPONENTS SCMA54 Mower deck Universal joint Bevel gear case (Left-hand side) Bevel gear case (Right-hand side) Universal joint cover Gauge wheel Roller Joint cover FIG. 1 Blade (Left-hand side) (10) Blade (Right-hand side) FIG.
  • Page 97 SCMA54,60 SCMA60 Mower deck Universal joint Bevel gear case (Left-hand side) Bevel gear case (Right-hand side) Gauge wheel Roller Universal joint cover FIG. 3 (8) Blade (Left-hand side) (9) Blade (Right-hand side) (10) Height adjustment lever (11) Mulching plate FIG. 4...

  • Page 98: Attaching And Detaching Mower Deck

    CHAPTER 2. ATTACHING AND DETACHING MOWER DECK CHAPTER 2. ATTACHING AND DETACHING MOWER DECK WARNING: When attaching or detaching the mower deck to the front mower: ・  P lace the front mower on level, hard ground. ・Apply the parking brake securely. ・ ...

  • Page 99: Adjustment Of Linkage

    SCMA54,60 ADJUSTMENT OF LINKAGE 2.1. ADJUSTMENT OF MAXIMUM LIFTING HEIGHT Be sure to adjust the lifting height of each side. Max. height:A =510mm ± 10mm CAUTION: Incorrect adjustment may lead hitting between the step and gear box of mower deck or shortening of the minimum ground clearance.

  • Page 100: Mower Operation

    CHAPTER 3. MOWER OPERATION CHAPTER 3. MOWER OPERATION BEFORE OPERATION Depress the brake pedal and then start the engine. CAUTION : ・  B ecome familiar with how to operate Raise the mower with the lift by shifting the the front mower and understand safety mower lift lever.

  • Page 101: Cutting Height Adjustment (Scma60)

    SCMA54,60 2-2. CUTTING HEIGHT ADJUSTMENT (SCMA60) Also set the cutting height of the rear gauge wheels by re-setting the setting hole for the setting pin with the ring clip removed. The right and left gauge wheels should be set to the same cutting height.

  • Page 102: Starting Mowing Operation

    CHAPTER 3. MOWER OPERATION STARTING MOWING OPERATION CAUTION : ・  R e a d t h e c o n t e n t s o f t h i s m a n u a l thoroughly and carefully and keep safe operation in mind.

  • Page 103: Cleaning A Mower Deck Clogged With Grass

    SCMA54,60 WARNING: CLEANING A MOWER DECK CLOGGED WITH ・  A s soon as the PTO switch is turned GRASS "OFF", the mower blades start rotating and eject cut grass or stones through the When mowed grass is not ejected from the mower deck, discharge opening.

  • Page 104: With Grass

    CHAPTER 3. MOWER OPERATION CLEANING A MOWER DECK AND CHUTER STOPPING MOWING OPERATION CLOGGED WITH GRASS Release the HST pedal. When mowed grass is not ejected from the mower deck or clogs the mower chuter, stop operation immediately Turn the throttle lever to the low speed position to and remove clogged grass.

  • Page 105: Efficient Mowing

    SCMA54,60 Turn the key switch to the STOP position to stop For mowing tall grass the engine. Mow grass twice. IMPORTANT: ・Never attempt to stop the engine abruptly when it is First, mow the grass to a height low enough for the running at high speeds.

  • Page 106: Instllation Of Mulching Guide

    CHAPTER 3. MOWER OPERATION Fix the mulching guide, with bolt (M8x20). Lower the mower deck. Change the pin for flipping up position as follow. FIG. 20 FIG. 22 (1) Mulching guide (1) Normal position (2) Bolt (M8x20) (2) Flipping up position for SCMA54 (3) Flipping up position for SCMA60 Set the mode select switch to "Mower operating (4) Pin (use removed pin from the lift rod)

  • Page 107: Inspection And Maintenance Of Major Parts

    SCMA54,60 CHAPTER 4. INSPECTION AND MAINTENANCE OF MAJOR PARTS CAUTION: ・When servicing the front mower, place it on level, hard ground. ・Stop the engine and remove the starter key. ・Apply the parking brake securely. ・Shift the mower lift lever to lower the mower to the ground.
  • Page 108 CHAPTER 4. INSPECTION AND MAINTENANCE OF MAJOR PARTS Remove the bolt LH & RH of blades and blade collars. SCMA54 Joint cover (Refer to “2. INSPECTION & REPLACEMENT OF BLADES”) Loosen the bolts, then remove the drive shaft cover. Remove the bolt, then remove the joint cover. (SCMA54 only) Slide the snap ring fixing the coupling, gather both couplings close, take out the drive shaft.

  • Page 109: Inspection & Replacement Of Blades

    SCMA54,60 ・Inspection of blades and phase position LH & RH. INSPECTION & REPLACEMENT OF BLADES Apply the parking brakes. SCMA54 CAUTION: Be sure to apply the parking brakes securely. Start the engine and turn the throttle lever to the low speed position to decelerate the engine. Shift the mower lift lever to the UP position and raise the mower deck to the highest position.
  • Page 110 CHAPTER 4. INSPECTION AND MAINTENANCE OF MAJOR PARTS SCMA60 a. New Blade b. Blade with rounded edge c. Excessively worn blades are very dangerous. So replace such blades with new ones at once. The blade bolts should be tightened to the specified torque with the blades chocked respectively.

  • Page 111: Inspection Of Gauge Wheels / Rollers

    SCMA54,60 INSPECTION OF GAUGE WHEELS / ROLLERS INSPECTION OF THE GAUGE WHEELS SCMA54 Check and adjust the inflation of gauge wheels. Specified air pressure: 2.1kg/cm2(SCMA54) 1.5kg/cm2(SCMA60) INSPECTION OF THE ROLLERS Make sure that the roller turns smoothly. IMPORTANT: ・When the wheels and rollers are hard to turn, disassemble them and clean them.

  • Page 112: Filling Diagram

    CHAPTER 4. INSPECTION AND MAINTENANCE OF MAJOR PARTS FILLING DIAGRAM All the shafts mentioned below have a grease fitting on their end. Grease them up periodically. The gear case should also be serviced periodically for oil replenishment and replacement. SCMA54 FIG.
  • Page 113 SCMA54,60 SCMA60 FIG. 35 Quantity: Ref. No. Filling points Lubricants litres (Imp. gal.) Bevel gear case (LH) Gear oil SAE 80 1.5 ± 0.02 (0.4 ± 0.01) Bevel gear case (RH) Gear oil SAE 80 0.45 ± 0.02 (0.12 ± 0.01) Gauge wheel Inject until grease overflows...

  • Page 114: Periodical Inspection Table

    CHAPTER 4. INSPECTION AND MAINTENANCE OF MAJOR PARTS PERIODICAL INSPECTION TABLE : Inspection, replenishment, and adjustment : Cleaning and washing : Replacement : Consult your dealer. Inspection and servicing intervals Ref. Check points Intervals after that Judgement criteria (hours of operation) page 50 100 150 200 250 Deformed, broken, worn,...

  • Page 115: Storing The Mower

    Remove the drive shaft cover, and clean the mower deck top. Be sure to remove grass and other objects tangled around the shaft. Remove all rust and touch up where paint has been peeled off with touch-up paint supplied by ISEKI. Be sure to re-install all the removed parts.

  • Page 116: Troubleshooting

    CHAPTER 6. TROUBLESHOOTING CHAPTER 6. TROUBLESHOOTING Troubles Presumable causes Remedies Improper discharging • Blades are installed upside down. • Re-install them correctly. • Grass is too moist. • Wait until grass becomes dry. • Too tall grass • Mow it in two steps. •...
  • Page 117 SCMA54,60 Remedies Troubles Presumable causes Excessive noise and vibration • Deformed or interfering shaft cover • Repair it. • Damaged bevel gears • Consult your dealer. • Broken or unbalanced blades • Replace them with new one. • Loose blade tightening bolts •...

  • Page 118: Collector Section

    ISEKI FRONT MOWERS COLLECTOR SECTION...

  • Page 120: Names Of Major Components

    CHAPTER 1. NAMES OF MAJOR COMPONENTS CHAPTER 1. NAMES OF MAJOR COMPONENTS SBC1300F-HE4 FIG. 1 FIG. 2 Container Container limit sensor (13)  Swing motor Lift link Door hook (14) Rubber mount Dump link Blower chuter (15) Container sensor Lift cylinder (10) Quick coupler (16)

  • Page 121: Diagram Of Hose Connection

    SBC1300F 2. DIAGRAM OF HOSE CONNECTION FIG. 3 (1) Valve (11) Dump cylinder/LH (2) Pipe/dump/A (12) Dump cylinder/RH (3) Pipe/dump/B (13) Hose/hydro/1300 (4) Pipe/lift/A (14) Hose/hydro/1925 (5) Pipe/lift/B (15) Hose/hydro/2325 (6) Red cap (16) Hose/hydro/1050 (7) Blue cap (17) Hose/hydro/700 (8) Green cap (18) Adapter/T...

  • Page 122: Detaching And Attaching Collector

    CHAPTER 2. DETACHING AND ATTACHING COLLECTOR CHAPTER 2. DETACHING AND ATTACHING COLLECTOR WARNING: When attaching or detaching the Be sure to put the rear bottom of the container base collector to the front mower: ASSY (4) on the guide of the collector base ASSY ・Place the front mower on level, hard (3).
  • Page 123 SBC1300F Remove pin/16x81 COMP (8) from both the left and Remove quick coupler (11) from the hose/hydro/700 right-hand side lift cylinder ASSY. (17) connected the lift cylinder. Remove pin/link COMP (10) from the collector main Release wire band/250 (19) from the hose/ frame (10).
  • Page 124 CHAPTER 2. DETACHING AND ATTACHING COLLECTOR m. Place container ASSY (2) equipped with the collector base ASSY (3) to the rear of the machine. Attach the container ASSY to the machine, and make sure that the left and right-hand side lift cylinder ASSY (7) are hold up to prevent touching the machine.

  • Page 125: Attaching The High Dump Collector

    SBC1300F In order to prevent from losing, make sure that pin link COMP (4 pcs) and pin/16x81 COMP (2 pcs) are attached to the machine. ATTACHING THE HIGH DUMP COLLECTOR Attach the collector in reverse order of the detaching operation. NOTE : When connecting the quick couplers to the dump and lift ports of the valve ASSY, make sure that colors of caps for the quick couplers...

  • Page 126: Collector Operation

    CHAPTER 3. COLLECTOR OPERATION CHAPTER 3. COLLECTOR OPERATION BEFORE OPERATION INSPECTION BEFORE OPERATION ・Before operating, inspect the points as follows. CAUTION: ・ Become familiar with the operation of the front mower and understand safety instructions by reading this manual carefully. ・...

  • Page 127: Cleaning A Collector

    SBC1300F CLEANING A COLLECTOR FIG. 16 (1) Rear door (4) Net guide (2) Rear hook (5) Reflector plate (3) Container net ASSY (6) Stopper If net of container is clogged with grass, the power would go down. Clean the net of container frequently.

  • Page 128: Mowing Work At The Place Of The Flat Witha Lot Of Twigs

    CHAPTER 3. COLLECTOR OPERATION MOWING WORK AT THE PLACE OF THE FLAT RESTART OF PTO WHEN WARNING HORN WITHA LOT OF TWIGS FOR FULL CONTAINER SOUNDS When it is operated at the place with many twigs, When the container is full, mower and blower ROPS (1) can be folded.

  • Page 129: Adjustment Of The Swing Rod

    SBC1300F ADJUSTMENT OF THE SWING ROD HOW TO OPEN REAR DOOR FROM INSIDE OF CONTAINER When grass is concentrate at the right side into the container, extend swing rod (1). When grass Rear door (1) can be opened from inside of container. is concentrated at the left side into the container, Push the bolt (2) to the arrow direction.

  • Page 130: Inspection And Maintainance Of Major Parts

    CHAPTER 4. INSPECTION AND MAINTAINANCE OF MAJOR PARTS CHAPTER 4. INSPECTION AND MAINTAINANCE OF MAJOR PARTS INSPECTION OF HYDRAULIC HOSES When operating the collector, be sure to check that hydraulic hose is not pulled and interfered. When the hydraulic hose is damaged, change it as soon as possible.

  • Page 131: Periodical Inspection Table

    SBC1300F PERIODICAL INSPECTION TABLE : Inspection, replenishment, and adjustment : Cleaning and washing : Replacement : Consult your dealer. Inspection and servicing intervals Ref. Check points Intervals after that Judgement criteria (hours of operation) page 50 100 150 200 250 Greasing points Grease up after every 50hrs There should be no loose...

  • Page 132: Storing The Collector

    Clean the collector. Take special care to remove grass and dirt from the container net. Remove grass or other objects tangled around the linkage and hydraulic hose. Remove all rust and touch up where paint has been peeled off with touch-up paint supplied by ISEKI. Be sure to re-install all the removed parts.

  • Page 133: Troubleshooting

    SBC1300F CHAPTER 6. TROUBLESHOOTING Troubles Presumable causes Remedies • Clean The filling rate of container is • Net of container is clogged • Clear the clogged grass poor • Shooter is clogged with grass • Clear the clogged grass • Mower deck is clogged with grass •...

  • Page 134: Noise & Vibration

    CHAPTER 6. TROUBLESHOOTING NOISE & VIBRATION NOISE: SF544+SCMA54 SF551+SCMA60 +SBC1300F +SBC1300F Measured value dB (A) Noise emission sound power level Uncertainty K 0.98 9.38 Test code EN ISO 5395-1:2013 Measured value dB (A) Sound pressure level at operator's ear Uncertainty K 3.39...
  • Page 137 SF544 SF551 SCMA54 SCMA60 SBC1300F Overseas Business Division 5-3-14, Nishi-Nippori, Arakawa-ku, Tokyo 116-8541, Japan Phone: (03) 5604-7658 Fax: (03) 5604-7703 Parts code : 1809-912-102-1A-EN Publishing date : 21 April 2020 Printed in Japan...

This manual is also suitable for:

Sf551Scma54Scma60Sbc1300