Baroness LM315GC Service Manual
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Baroness LM315GC Service Manual

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See also: Owner's Operation Manual
Triple Greens Mower

Service manual

　 　
　
Serial No.30001-
Ver.1.0

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Summary of Contents for Baroness LM315GC

  • Page 1: Service Manual

    Triple Greens Mower Service manual 　 　 　 Serial No.30001- Ver.1.0...
  • Page 2 The information described in this manual is subject to change for improvement without prior notice. When replacing parts, be sure to use genuine Baroness parts or parts designated by Kyoeisha. Note that the Baroness product warranty may not apply to defects caused by the use of parts from other companies.

  • Page 3: Table Of Contents

    LM315GC Contents Safety............... Page 1-1 Maintenance........... Page 7-2 Specifications..........Page 7-2 Safe Operating Practices........Page 1-2 Special Tool............ Page 7-3 Safety Signs and Instruction Signs....Page 1-5 Usage............. Page 7-5 Disposal............Page 2-1 Adjustment............Page 7-6 Removal and installation of each section..Page 7-8 Waste Disposal..........Page 2-2...
  • Page 4 LM315GC Contents...

  • Page 5: Safety

    LM315GC Safety Safe Operating Practices....... Page 1-2 Training...........Page 1-2 Preparation..........Page 1-2 Operation..........Page 1-3 Maintenance and storage....... Page 1-4 Safety Signs and Instruction Signs..Page 1-5 About Safety Signs and Instruction Signs............Page 1-5 Page 1-1...

  • Page 6: Safe Operating Practices

    LM315GC Safety Failure to adequately follow these safety Being driven too fast precautions may cause an accident resulting in Inadequate braking injury or death. The type of machine is unsuitable for its task Danger Danger Lack of awareness of the effect of...

  • Page 7: Operation

    LM315GC Safety Add fuel before starting the engine. Never Stay alert for humps and hollows and remove the cap of the fuel tank or add fuel other hidden hazards. while the engine is running or when the Never operate across the face of the engine is hot.

  • Page 8: Maintenance And Storage

    LM315GC Safety Look behind and down before backing up to Maintenance and storage be sure of a clear path. Disengage drives on level ground, lower the Do not carry passengers. attachments, set parking brake, stop engine Never operate while people, especially and remove key from ignition.

  • Page 9: Safety Signs And Instruction Signs

    Part numbers for decals that need to be first and negative last. replaced are listed in the parts catalog. Make sure that parts such as wires are not Order them from a Baroness dealer or touching each other and that their covers Kyoeisha. have not come off.
  • Page 10 LM315GC Safety Page 1-6 Safety Signs and Instruction Signs...

  • Page 11: Disposal

    LM315GC Disposal Waste Disposal........Page 2-2 About the Waste disposal....... Page 2-2 Page 2-1...

  • Page 12: Waste Disposal

    LM315GC Disposal Waste Disposal About the Waste disposal Make sure that waste generated when servicing or repairing the machine is disposed of in accordance with local regulations. (e.g. waste oil, antifreeze batteries, rubber products, and wires etc.) Page 2-2 Waste Disposal...

  • Page 13: Maintenance Standards And Maintenance

    LM315GC Maintenance standards and maintenance Unit conversion........Page 3-2 Inch–millimeter conversion table.... Page 3-2 US unit–SI unit conversion table.....Page 3-3 Maintenance standards......Page 3-4 List of Maintenance Specifications..Page 3-4 Tightening torques......... Page 3-6 Standard tightening torques....Page 3-6 Principal tightening torques ....Page 3-9 Jacking up the machine.......

  • Page 14: Unit Conversion

    LM315GC Maintenance standards and maintenance Unit conversion Inch–millimeter conversion table 1 mm = 0.03937 in 1 in = 25.4 mm Fractions Decimals Fractions Decimals 1/64 0.015625 0.397 33/64 0.515625 13.097 1/32 0.03125 0.794 17/32 0.53125 13.494 3/64 0.046875 1.191 35/64 0.546875...

  • Page 15: Us Unit-Si Unit Conversion Table

    LM315GC Maintenance standards and maintenance US unit–SI unit conversion table To Convert Into Multiply By Miles Kilometers 1.609 Yards Meters 0.9144 Feet Meters 0.3048 Linear Measurement Feet Centimeters 30.48 Inches Meters 0.0254 Inches Centimeters 2.54 Inches Millimeters 25.4 mile Square Miles Square Kilometers 2.59...

  • Page 16: Maintenance Standards

    LM315GC Maintenance standards and maintenance Maintenance standards List of Maintenance Specifications LM315GC Engine model Kubota D722-E4B No load rpm 1,500 – 3,270 rpm API Service grade class CF or 2.8 dm (2.8 L) (0.74 U.S. gal.) Quantity of engine oil...
  • Page 17 LM315GC Maintenance standards and maintenance Clearance between the switch and Proximity Switch 5.0 mm (0.20 in) the plastic magnet when the traveling pedal is neutral Clearance between the clutch rotor main body and the armature board Electromagnetic clutch 0.3 – 0.6 mm (0.01 – 0.02 in)

  • Page 18: Tightening Torques

    LM315GC Maintenance standards and maintenance Tightening torques Standard tightening torques Bolts and Nuts Important A number of bolts are used in each part of this machine. Be sure to re-tighten the bolts and nuts, because they may be loosened at the earlier stage of the use.
  • Page 19 LM315GC Maintenance standards and maintenance General bolt Strength classification 4.8 Nominal diameter tib3yb-001 kgf-cm lb-in 3 - 5 30.59 - 50.99 26.55 - 44.26 7 - 9 71.38 - 91.77 61.96 - 79.66 14 - 19 142.76 - 193.74 123.91 - 168.17 29 - 38 295.71 - 387.49...
  • Page 20 LM315GC Maintenance standards and maintenance Note: The same values are applied to "fine screw thread." Hydraulic hose The tightening torques for union joints and union adaptors with parallel pipe threads (G, PF) are shown in the table below. A union joint or adaptor will not become loose or leak as long as it is tightened by the specified torque.

  • Page 21: Principal Tightening Torques

    LM315GC Maintenance standards and maintenance Principal tightening torques Tightening Torque by Model LM315GC Tighten the following bolts and nuts at the torque specified in the table. For thread locking adhesive, apply a middle strength thread locker (ThreeBond 1322 anaerobic adhesives).
  • Page 22 LM315GC Maintenance standards and maintenance Tightening torque Thread Location Code Part name locking kgf-cm lb-in adhesive 142.76 - 123.91 - Brake Assy K0010080252 Bolt, heat-treated M8-25 14 - 19 193.74 168.17 1835.46 - 1593.18 - Wheel K0010100302 Bolt, heat-treated M10-30 45 - 57 2039.40...

  • Page 23: Jacking Up The Machine

    LM315GC Maintenance standards and maintenance Jacking up the machine Jack-up Points About the Jacking up the machine Warning When replacing a tire or beginning any other maintenance or repairs, be sure to chock the wheels to prevent the machine from moving.

  • Page 24: Greasing

    LM315GC Maintenance standards and maintenance Front left frame Greasing Points Grease nipples are installed in the following locations. rwyt62-054 Jack-up Points_003 Engine mount frame rwyt62-055 Jack-up Points_004 Greasing 8bq62b-148 About Greasing Greasing Points_001 No. of Since there may be adhesion or damage due to...
  • Page 25 LM315GC Maintenance standards and maintenance Mower unit Rear mower unit Each mower unit has 12 points (6 A and 6 B There are two locations. points). Add grease to A and B every 8 and 50 hours, respectively. Right 8bq62b-168...
  • Page 26 LM315GC Maintenance standards and maintenance Rear wheel pivot Traveling pedal shaft fulcrum 8bq62b-156 8bq62b-160 Greasing Points_008 Greasing Points_011 Mower pedal shaft fulcrum Rear wheel brake lever shaft 8bq62b-158 8bq62b-161 Greasing Points_009 Greasing Points_012 Flexible wire bracket Flexible wire edge There is one greasing point on each flexible wire.

  • Page 27: Greasing Points

    LM315GC Maintenance standards and maintenance Flexible wire Use Moly speed grease No.2 Screw in the grease cup 360 degrees and add grease. Central part Add grease every 8 hours of operation. 8bq62b-162 Greasing Points_014 Main body side Add grease before operation.
  • Page 28 LM315GC Maintenance standards and maintenance Page 3-16 Greasing...

  • Page 29: Hydraulic System

    LM315GC Hydraulic system Maintenance..........Page 4-2 Hydraulic Oil......... Page 4-42 Air bleeding...........Page 4-43 Maintenance........... Page 4-2 Specifications......... Page 4-3 Specifications..........Page 4-3 Hydraulic System Layout......Page 4-4 Flow of Hydraulic Oil.......Page 4-6 General instructions.......Page 4-9 Hydraulic hose........Page 4-9 Hydraulic fitting........Page 4-9 Towing..........

  • Page 30: Maintenance

    For those parts that must be repaired by the manufacturer, the overhaul procedure is not described in this manual. Request repairs for those parts from your dealer or Baroness. Please note that our product warranty may be void if you overhaul the device.

  • Page 31: Specifications

    LM315GC Hydraulic system Specifications Specifications KYB PSV-16CHG-2 0 - 16.4 cm /rev (1.00 Displacement /rev) Piston pump 20.6 MPa High-pressure relief set pressure （2,987.7 psi） 4.9 cm /rev Displacement Charge pump (0.30 in /rev) Relief set pressure 0.58 MPa (84.1 psi) 5.45 cm...

  • Page 32: Hydraulic System Layout

    LM315GC Hydraulic system Hydraulic System Layout dwb7jb-007 Hydraulic System Layout_001 Wheel motor 2WD/3WD Changeover Valve Steering cylinder Up/down cylinder Valve module Suction filter Orbitrol Piston pump Manifold valve Oil filter Page 4-4 Specifications...
  • Page 33 LM315GC Hydraulic system Wheel motor These convert the fluid energy from the piston pump to mechanical energy (rotary motion) in order to directly drive the machine. These are located at each wheel. Up/down cylinder These convert the fluid energy from the piston pump to mechanical energy (reciprocating motion) in order to raise the mower units.

  • Page 34: Flow Of Hydraulic Oil

    LM315GC Hydraulic system Flow of Hydraulic Oil Flow of Oil during Forward Traveling ￭ FRONT gslvj6-001 2WD_001 shows flow of oil. The flow of oil shows that for 2WD forward traveling. Name in above shows port name. Piston pump Left front wheel motor...
  • Page 35 LM315GC Hydraulic system ￭ FRONT tyg9sz-001 3WD_001 shows flow of oil. The flow of oil shows that for 3WD forward traveling. Name in above shows port name. Piston pump Right front wheel motor Oil filter Manifold valve 2WD/3WD Changeover Valve...
  • Page 36 LM315GC Hydraulic system Flow of Oil during Raising Mower Unit, with Power Steering Turning to Left qwbqfy-004 Flow of Oil during Raising Mower Unit, with Power Steering Turning to Left_001 shows flow of oil. The flow of oil shows that for raising the mower unit, turning the power steering to left.

  • Page 37: General Instructions

    LM315GC Hydraulic system General instructions Hydraulic fitting Bite type tube fitting Hydraulic hose Preliminary tightening (Preset) Hydraulic hoses are subjected to excessive load when weathered, exposed to the sun or Cut the tube at the designated length at a chemicals, stored in a very hot storage right angle.
  • Page 38 LM315GC Hydraulic system Insert the nut and sleeve into the tube. Put the tube end onto the hole bottom of Note the direction of the sleeve. the temporary tightening jig and tighten the nut slowly to the point where the tube can no longer be rotated by hand.
  • Page 39 LM315GC Hydraulic system Fasten the nut and check that the sleeve end is a few mm apart from the tube end and the sleeve will not move in axial direction (it is allowed to move in the circumferential direction). w7s31b-010...
  • Page 40 LM315GC Hydraulic system Make sure that the thread portion, sheet Adjustable Elbow ￭ surface of the O-ring port, and O-ring are not contaminated with foreign objects. Apply oil or grease to the sheet surface and O-ring before installation. jf65lf-001 Adjustable Elbow_001 Make sure that the positions of the nut, washer, and O-ring are correct.
  • Page 41 LM315GC Hydraulic system Caution Important Be careful to never give the locknut more If a used taper pipe (PT) thread joint retains than one turns. If you give it more than one the residue of old sealing tape, using it again...
  • Page 42 LM315GC Hydraulic system How to Use the Sealing Tape ￭ Important Using the sealing tape with its end out of the edge face may cause a trouble of the machine due to its debris invading the hydraulic circuit. ugh2b1-002 How to Use the Sealing Tape_002...

  • Page 43: Towing

    LM315GC Hydraulic system In the event of failure of the hydraulic equipment Towing of the hydraulic circuit, debris and contaminant from the faulty hydraulic equipment will circulate Important to every part of the circuit. Since this contaminant causes damage to other...

  • Page 44: Hydraulic Circuit Flow

    LM315GC Hydraulic system Hydraulic circuit flow Traveling circuit Forward ￭ gslvj6-005 2WD_001 Page 4-16 Hydraulic circuit flow...
  • Page 45 LM315GC Hydraulic system ￭ tyg9sz-006 3WD_001 Hydraulic circuit flow Page 4-17...
  • Page 46 LM315GC Hydraulic system Backward ￭ gslvj6-006 2WD_001 Page 4-18 Hydraulic circuit flow...
  • Page 47 LM315GC Hydraulic system ￭ tyg9sz-007 3WD_001 Hydraulic circuit flow Page 4-19...

  • Page 48: Raise/Lower Circuit

    LM315GC Hydraulic system Raise/lower circuit Rising of up/down cylinder qhyyzc-009 Rising of up/down cylinder_001 Page 4-20 Hydraulic circuit flow...
  • Page 49 LM315GC Hydraulic system Up/down cylinder lowering (operation) jtjf9j-009 Up/down cylinder lowering (operation)_001 Hydraulic circuit flow Page 4-21...

  • Page 50: Steering Circuit

    LM315GC Hydraulic system Steering circuit Steering cylinder counter-clockwise turning zujak2-003 Steering cylinder counter-clockwise turning_001 Page 4-22 Hydraulic circuit flow...
  • Page 51 LM315GC Hydraulic system Steering cylinder clockwise turning c3cs72-003 Steering cylinder clockwise turning_001 Hydraulic circuit flow Page 4-23...

  • Page 52: Special Tool

    LM315GC Hydraulic system Special Tool List of Special Tools Pressure gauge for high pressure measurements Pressure: For the range of 0 - 35 MPa For the range of 0 - 5,076.40 psi K4701000010 For the range of 0 - 356.90 kgf/cm Primarily used for measuring the pressure of high-pressure parts.
  • Page 53 LM315GC Hydraulic system Pressure gauge seal Inserted between the pressure gauge K4701000050 and the gauge joint. vasdfi-005 Gauge valve Used to temporarily shut off the fluid to be measured during maintenance, K4701000060 check, or repair etc. of the pressure gauge.
  • Page 54 LM315GC Hydraulic system Female connector 1015-04 Used as a connector to attach the K3009000290-Y hydraulic hose to the pressure gauge. vasdfi-007 Cast iron T-joint PT3/8 PF3/8 Used to insert the pressure gauge K3024000042-Y between the hydraulic hoses. vasdfi-013 Special adapter PF1/4 PT3/8...
  • Page 55 LM315GC Hydraulic system Adapter 1013-9 Two of these are used as an elbow for K3000090002-Y the T-joint during pressure measurements. q9c6v6-008 WP280-6 hose 1-600 High pressure measurement - Used K3107210600 as a hydraulic hose for pressure measurement of 0 - 27.5 MPa.
  • Page 56 LM315GC Hydraulic system Screw cap (male) PF1/2 Used as a plug when the hydraulic K3008000542-Y hose is removed. q9c6v6-001 Screw cap (female) PF1/2 Used as a plug when the hydraulic K3008000502-Y hose is removed. q9c6v6-002 O-ring connector 1096-6 Used as a connector when installing...
  • Page 57 LM315GC Hydraulic system T-joint TEFPT1/4 Used to insert the pressure gauge K3021040002-Y between the hydraulic hoses. vasdfi-013 Adapter 1013-6 Used as an elbow for the T-joint K3000060002-Y during pressure measurements. q9c6v6-008 WP140-6 hose 1-480 Low pressure measurement - Used as...

  • Page 58: Measurement

    LM315GC Hydraulic system Always clean the machine before hydraulic Measurement measurement. Remember that the machine must always be kept clean for hydraulic Note measurement. Contamination may lead to The most effective way of solving problems in clogging or breakage of the hydraulic circuit.

  • Page 59: Traveling Circuit

    LM315GC Hydraulic system Traveling Circuit Forward g5t8is-015 Forward_001 Measurement Page 4-31...
  • Page 60 LM315GC Hydraulic system Caution Forward side measuring port connector Before starting pressure measurement, make Hydraulic hose sure that there is no people around the Pressure gauge for high pressure machine. measurements The forward side measuring port connector Use a shrink etc. to apply resistance on the is located in front of the manifold valve.
  • Page 61 LM315GC Hydraulic system Backward 7edlvx-015 Reverse_001 Measurement Page 4-33...
  • Page 62 LM315GC Hydraulic system Caution Reverse side measuring port connector Before starting pressure measurement, make Hydraulic hose sure that there is no people around the Pressure gauge for high pressure machine. measurements The reverse side measuring port connector Use a shrink etc. to apply resistance on the...

  • Page 63: Up/Down Circuit

    LM315GC Hydraulic system Up/Down circuit z4kw7w-024 Up/Down circuit_001 Measurement Page 4-35...
  • Page 64 LM315GC Hydraulic system Rev the engine up to the maximum rpm. Caution The normal pressure is 5.0 MPa (725.2 psi) Before starting pressure measurement, make when the up button is pressed and the sure that there is no people around the hydraulic cylinder is shorten to the maximum machine.

  • Page 65: Steering Circuit

    LM315GC Hydraulic system Steering Circuit 9idjnn-019 Steering Circuit_001 Measurement Page 4-37...
  • Page 66 LM315GC Hydraulic system Start the engine, and rev it up to the Caution maximum rpm. Before starting pressure measurement, make The normal pressure is 4.4 MPa (638.1 psi) sure that there is no people around the when the handle is turned rightward machine.

  • Page 67: Charge Circuit

    LM315GC Hydraulic system Charge Circuit zg85f8-019 Charge Circuit_001 Measurement Page 4-39...

  • Page 68: Adjustment

    LM315GC Hydraulic system The normal pressure is 0.58 MPa (84.1 psi). Caution Adjustment Before starting pressure measurement, make sure that there is no people around the Adjusting Mower Unit Up/Down Speed machine. The Up/Down circuit of the mower unit has 4...

  • Page 69: Hydraulic Hose, Piping

    See the list in "Tightening torques" (Page 3-6) . Note that the Baroness product warranty may not apply to defects caused by incorrect or overtorque tightening etc. Check the amount of oil in the hydraulic tank.
  • Page 70 LM315GC Hydraulic system Hydraulic Oil Warning Be sure to depressurize the hydraulic system Important before inspecting or repairing it. In the event of hydraulic circuit failure, be sure to clean the circuit. Important Be sure to clean the circuit connecting part to In the event of contamination or failure of the be repaired.
  • Page 71 LM315GC Hydraulic system If no abnormality is found, operate normally Make sure that the traveling pedal and all the and maintain according to the maintenance drives of the operating machine are in schedule. neutral position. Start the engine and depress the traveling Air bleeding pedal while it is running at low rpm.
  • Page 72 LM315GC Hydraulic system Then, gradually increase operation load while running for 10 minutes. Stop the machine, check the amount of hydraulic oil and add it as necessary. Make sure that there is no oil leakage. Check all of the connections.

  • Page 73: Electrical System

    LM315GC Electrical system Maintenance..........Page 5-2 Hour meter..........Page 5-30 Starter Relay.........Page 5-31 About Maintenance.........Page 5-2 Glow Lamp Timer......... Page 5-31 Specifications......... Page 5-3 Fusible Link...........Page 5-31 Fuse box..........Page 5-32 Adjusted Value........Page 5-3 Buzzers..........Page 5-32 Electrical Part Layout......Page 5-4 Level Switch..........Page 5-34...

  • Page 74: Maintenance

    LM315GC electrical system. For daily inspections and maintenance as well as machine handling, refer to the LM315GC Operator's Manual and Parts Catalog. Also, for details for handling of the battery, please refer to the separate Battery Instruction Manual.

  • Page 75: Specifications

    LM315GC Electrical system Specifications Adjusted Value A clearance between the switch contact point Parking brake switch Slight clearance and the parking brake lever when the parking brake lever is at the 4th notch Horizontal distance between the sensor tip and...

  • Page 76: Electrical Part Layout

    LM315GC Electrical system Electrical Part Layout erq4ky-006 Electrical Part Layout_001 Seat switch Key switch Regulator Limit switch (mower pedal switch) Hour meter Battery Proximity sensor (mower unit up/down LED lamp (green) Up switch position detection) Toggle switch (2WD/3WD changeover Proximity switch...

  • Page 77: Proximity Switch

    LM315GC Electrical system Seat switch This is one of the safety switches that constitute the interlock system. It is located in the center of the seat cushion. Limit switch (mower pedal switch) The mower pedal switch is used to raise and lower the mower pedal and located in the mower pedal fulcrum.

  • Page 78: Parking Brake Switch

    LM315GC Electrical system Up switch This is used if the height of the mower unit is not sufficient. It is located on the control panel. Toggle switch (2WD/3WD changeover switch) This is used to switch between 2WD and 3WD and located on the control panel.
  • Page 79 LM315GC Electrical system Glow lamp timer This controls illumination of the thermo-start lamp inside the pilot lamp. When the ignition key switch is set and held to "GLOW" position, the thermo-start lamp turns on for 5 seconds. It is located on the control panel.

  • Page 80: Special Tool

    LM315GC Electrical system Special Tool Specific weight and remaining capacity of battery Discharged Specific weight Remaining Special tools list electrical quantity (20 ° C) capacity (%) No use of special tools is required. 1.28 Measurement 1.24 Battery 1.20 1.16 Measurement of Battery Specific Weight 1.12...

  • Page 81: Interlock System

    LM315GC Electrical system The engine stop solenoid operates Battery charging simultaneously with the seat switch, parking brake switch, proximity switch, proximity sensor Follow this procedure to fully charge the (reel rotation switch) and back lapping switch. battery. In addition the electromagnetic clutch operates...
  • Page 82 LM315GC Electrical system Take the foot off the traveling pedal (forward or reverse pedal). Unless the operator leaves the driver's ･ seat, the engine is not stopped. However, unless all of the above- ･ mentioned conditions are satisfied, the interlock system is activated and the engine is stopped.
  • Page 83 LM315GC Electrical system Interlock System Operation Requirements Transmission Reel rotation Seat Parking brake Traveling pedal selector lever switch OFF (Take the foot To start the engine, ON (Sitting) ON (Applied) - off) ON (Forward or To drive, ON (Sitting) (Released)

  • Page 84: Adjustment

    LM315GC Electrical system Tighten bolt B in the position where the Adjustment clearance between the up/down cylinder tip and proximity sensor is 1.0 - 2.5 mm Proximity Sensor (0.04 - 0.10 in). Reel Rotation Circuit Adjustment of Reel Rotation Start Position ￭...
  • Page 85 LM315GC Electrical system Tighten the nut. Move the sensor mounting plate in the front/back direction and then tighten the bolt in the position where the distance from the rear mower arm tip to the ground is 285.0 mm (11.22 in).
  • Page 86 LM315GC Electrical system Tighten the bolt being careful not to move Important the sensor mounting board. Adjust the proximity sensor to detect the rear end of the cam. Make sure that the clearance of the cam and proximity sensor is 1.0 to 2.5 mm (0.04 to 0.10 in).
  • Page 87 LM315GC Electrical system Set the key switch to the "OFF" position. Adjustment of Back Lapping Switch Loosen the back lapping switch attaching screw. Set the transmission selector lever to the "LAP" position. Adjust the switch angle so that the back lapping switch becomes "ON."...

  • Page 88: Electromagnetic Clutch

    LM315GC Electrical system Check that the engine is stopped when Important you release the parking brake and leave After adjusting the parking brake wire, check the seat. (See " "Interlock system" (Page that the machine is firmly stopped at notch 4 - 5-9) ")

  • Page 89: Electrical Components

    LM315GC Electrical system Measure the clearance between the main ･ Proximity sensor (reel rotation switch) body of the clutch rotor and armature board Proximity switch ･ to make sure that it is 0.3 - 0.6 mm (0.01 - Limit switch (back lapping switch) ･...
  • Page 90 LM315GC Electrical system Mower Unit Up/Down Circuit 2WD/3WD Changeover Circuit The up/down motion of the mower unit is 2WD/3WD changeover is controlled by the controlled by the limit switch (mower pedal proximity sensor (reel rotation switch), toggle switch), proximity sensor (mower unit up/down...

  • Page 91: Seat Switch

    LM315GC Electrical system Seat Switch Parking Brake Lever Parking Brake Switch The seat switch is located right underneath the Wire seat and is usually conducted. It is normal if its condition is stopped when seated. Toggle Switch 2WD/3WD Changeover Switch The 2WD/3WD changeover switch is located in the operation panel.

  • Page 92: Up Switch

    LM315GC Electrical system It is normal if there is no conduction Proximity Switch between the connector terminals when the light switch is pressed towards the OFF The proximity switch is located near the position. traveling pedal of the frame and the plastic magnet for detection is attached to the traveling pedal arm part.

  • Page 93: Limit Switch

    LM315GC Electrical system It is normal if there is no conduction Limit Switch between the connector terminals when the transmission selector lever is set to the "H" Mower Pedal Switch or "L" position. The mower pedal switch is located in the mower pedal fulcrum port.
  • Page 94 LM315GC Electrical system Connector terminal (white/+) Connector terminal (red/output) Connector terminal (black/-) Operation indicator:red Present Sensing object ON (red) Not Present Operation indicator (red) Inspection of Control Output Control output (between white and red leads) High Output voltage Caution (between red and black leads) qeetgd-009 Do not short-circuit the battery terminals.

  • Page 95: Solenoid Valve

    LM315GC Electrical system Solenoid Valve Inspection of Output Voltage Mower Unit Up/Down Valve Caution The mower unit up/down valve is located in the Do not short-circuit the battery terminals. valve module. According to the activation of the solenoid Follow the steps below to connect the valve, the hydraulic circuit in the mower unit battery and voltmeter.

  • Page 96: Mower Unit Control Relay Unit

    LM315GC Electrical system 2WD/3WD Changeover Valve Inspection of Mower Unit Control Relay Unit The 2WD/3WD changeover valve is located in Remove the mounting bolts of the mower the center of the right side of the body. unit control relay unit.

  • Page 97: Interlock Relay Unit

    LM315GC Electrical system If the LED of (3) is not turned on, inspect Down Corresponding sensor the seat switch and its peripheral circuit. Proximity sensor (reel (See " "Seat Switch" (Page 5-19) ") 1 LED OFF rotation start position If the LED of (4) is not turned on, inspect...

  • Page 98: Electromagnetic Clutch

    LM315GC Electrical system Turn "ON" the proximity sensor (reel rotation Electromagnetic Clutch switch). The electromagnetic clutch is located in the left Make sure that the electromagnetic clutch is side of the transmission. connected and the flexible wire drive belt is It transmits/blocks the drive of the engine to the driven.

  • Page 99: Work Lamp

    LM315GC Electrical system Work Lamp Toggle switch (light switch) Work Lamp The work lamp is located on the front part of the Battery power machine. Fuse Valve Specifications Type Rating 12 V 55 W Key switch Use the key switch to start or stop the engine.

  • Page 100: Pilot Lamps

    LM315GC Electrical system Glow (thermo-start) START ￭ ￭ When the ignition key is kept in the "GLOW" The engine starts by rotating the starter position, the glow plug is generating heat and motor, when the magnet switch of the starter the thermo-start lamp is turned on.
  • Page 101 LM315GC Electrical system Thermo-start Charge Thermo-start When the ignition key is set to the "GLOW" Engine Oil Pressure position, it illuminates at the same time when Connector terminal (red/charge lamp the glow plug generates heat. power) Illumination time of the thermo-start lamp is...

  • Page 102: Water Temperature Gauge

    LM315GC Electrical system Water temperature gauge Hour meter The water temperature gauge is connected to a The hour meter is located in the operation panel, water temperature sensor located under the and indicates the accumulated operation time of engine thermostat and displays the water the engine.

  • Page 103: Starter Relay

    LM315GC Electrical system When the glow signal is input, the thermo-start Starter Relay lamp turns on (5 seconds). When the ignition key is set to the "START" The starter relay is located in the left side of the position (starter motor start), even during the...

  • Page 104: Fuse Box

    LM315GC Electrical system Fuse box Replacement of Fuse Respective electrical equipments are connected The fuse box includes spare fuses and tools. from the key switch through fuses in the fuse box which is located in front of the fuel tank.
  • Page 105 LM315GC Electrical system The water temperature buzzer is a warning The parking brake warning is connected to buzzer for the engine water temperature the parking brake switch and proximity connected to the thermo switch on the switch via the interlock relay unit.

  • Page 106: General Inspection And Repair

    LM315GC Electrical system Level Switch General inspection and repair The level switch is located at the top of the Battery hydraulic tank, and switches ON and OFF Handling of the battery according to the rise and fall of the float. (The arrow indicates the float travel distance.)

  • Page 107: General Inspection And Repair

    LM315GC Electrical system Danger Danger Danger Danger Do not allow anyone to handle the battery Do not allow anyone to handle the battery who does not fully understand the correct who does not fully understand the correct battery handling procedures and relevant battery handling procedures and relevant dangers.
  • Page 108 LM315GC Electrical system If it is not, tighten the nuts securing the Caution battery until it is firmly secured. If the electrolyte overflows from the battery, If the battery is not firmly secured by the wipe it with a wet cloth.
  • Page 109 LM315GC Electrical system When adding distilled water, loosen and Warning remove the vent plug and add distilled water up to the “UPPER” (maximum level When connecting the machine-side cable line) limit. terminals to the battery, ensure that they are After adding distilled water, firmly tighten correctly connected to the positive and the vent plug.
  • Page 110 LM315GC Electrical system When replacing the battery, follow these steps: Firmly secure the positive cable to the positive terminal. Removing the old battery Firmly secure the negative cable to the Important negative terminal. Be careful when handling the used battery as it still contains electrical energy.
  • Page 111 LM315GC Electrical system Warning Caution Charging the battery mounted on the vehicle The temperature of the electrolyte must be 45 may cause ignition, explosion, or damage on degrees C or lower. In the case of fast the vehicle or equipment.
  • Page 112 LM315GC Electrical system Page 5-40 General inspection and repair...

  • Page 113: Main Body

    LM315GC Main body Maintenance..........Page 6-2 About Maintenance.........Page 6-2 Specifications......... Page 6-2 Tire pneumatic pressure......Page 6-2 Adjusted Value........Page 6-2 Special Tool..........Page 6-2 List of Special Tools........Page 6-2 Adjustment..........Page 6-3 Brake............Page 6-3 Adjusting the Neutral Position of the Piston Pump...........

  • Page 114: Maintenance

    This chapter provides descriptions of the main inspection and maintenance procedures for the LM315GC. For daily inspections and maintenance as well as machine handling, refer to the LM315GC 1 mm (0.04 in) Operator's Manual and Parts Catalog. Specifications Tire pneumatic pressure...

  • Page 115: Adjustment

    LM315GC Main body Follow the steps below to adjust the parking Adjustment brake. Brake Tighten the lever-side adjuster bolt of the parking brake wire to the maximum Adjustment of Parking Brake Wire extent. Danger Danger Make sure that the brake wire is not cracked or damaged.

  • Page 116: Piston Pump

    LM315GC Main body Rotate the camshaft slowly until the front Adjusting the Neutral Position of the wheel stops. Piston Pump Find the position where the front wheel stops and lock the camshaft with the nut. Caution Make sure not to touch rotating tires.
  • Page 117 LM315GC Main body Tighten nut B in the position where the tip Move the throttle lever on the operation of the lever-side adjuster bolt of the throttle panel to the position where it touches the wire fits with the edge face of nut A.
  • Page 118 LM315GC Main body Page 6-6 Adjustment...

  • Page 119: Operating Machine And Mower Units

    LM315GC Operating Machine and Mower Units Maintenance..........Page 7-2 Bed Knife..........Page 7-32 Roller............ Page 7-34 About Maintenance.........Page 7-2 Mower Mounting Bracket...... Page 7-44 Specifications......... Page 7-2 CR Brush Driver........Page 7-45 CR Brush..........Page 7-47 Grease............ Page 7-2 Groomer Assy........Page 7-48 Adjusted Value........

  • Page 120: Maintenance

    Operating Machine and Mower Units Maintenance About Maintenance This chapter describes primary checking and maintenance operations for the LM315GC mower unit. For information on daily checks, maintenance and handling of the machine, please refer to the separate LM315GC Owner's Operating Manual and Parts Catalog.

  • Page 121: Special Tool

    LM315GC Operating Machine and Mower Units Special Tool List of Special Tools 6303 Bearing driver Used when installing bearings with K4802000752 outer Φ47 and inner Φ17 q9c6v6-009 Needle TAF212920 Bearing driver Used when installing the needle K4802000852 bearings and oil seals of the mower unit one-shaft housing.
  • Page 122 LM315GC Operating Machine and Mower Units 6205 Bearing driver Used when installing the bearing of K4802000822 outer Φ52 and inner Φ25 q9c6v6-010 Page 7-4 Special Tool...

  • Page 123: Usage

    LM315GC Operating Machine and Mower Units Usage Oil Seal Installer Use an oil seal installer to install the oil seal etc. Bearing Driver correctly. Use bearing drivers to drive in bearings etc. Caution accurately. Be careful not to hit your hand with a hammer Caution etc.

  • Page 124: Adjustment

    LM315GC Operating Machine and Mower Units Position the punch marks of both left and Adjustment right cam bushes to face toward the travelling direction. Adjustment of Blade Engagement Check to see the clearance between the reel cutter (cutting cylinder) and the bed knife (bottom blade), and adjust them, if necessary.
  • Page 125 LM315GC Operating Machine and Mower Units Adjust the position of the cam bushes so that Caution newspaper is cut at both ends of the reel Before cutting newspaper as a test, be sure cutter. to stop the engine and wear gloves to protect your hands.

  • Page 126: Removal And Installation Of Each Section

    LM315GC Operating Machine and Mower Units Adjustment of Cutter Adjustment Spring Important Make sure that the cam bush does not move Due to working conditions, the gap between the from the marking position when tightening the reel cutter (cutting cylinder) and the bed knife lock nut.

  • Page 127: Groomer Assy

    Installation of Mower Unit carriage bolt. Caution See the list in "Tightening torques" (Page 5,6,7 3-6) . Note that the Baroness product warranty may not apply to defects caused by incorrect or 2,3,4 overtorque tightening etc. For installation, reverse the removing procedure.
  • Page 128 LM315GC Operating Machine and Mower Units Remove the high nut, spring washer A, Hold and move the groomer in the direction spring washer and carriage bolt on the of the arrow to remove the groomer. opposite side. Remove the bolt and spring washer B and then remove the housing plate.

  • Page 129: Bed Knife Mounting Assy

    LM315GC Operating Machine and Mower Units Loosen the left and right bed knife Bed Knife Mounting Assy adjustment high nut one after the other to remove them. Removal of Bed Knife Mounting Assy Caution The reel cutter (cutting cylinder), bed knife (bottom blade), and groomer blades are all edged tools.
  • Page 130 LM315GC Operating Machine and Mower Units Installation of Bed Knife Mounting Assy Caution The reel cutter (cutting cylinder), bed knife (bottom blade), and groomer blades are all edged tools. Handle them carefully, since they could cut your hands and feet.

  • Page 131: Reel Cutter

    LM315GC Operating Machine and Mower Units Position the punch mark of the cam bush Reel Cutter on the position of the marking made at the time of collimating, and then tighten Removal of Reel Cutter the lock nut. Caution The reel cutter (cutting cylinder), bed knife (bottom blade), and groomer blades are all edged tools.
  • Page 132 LM315GC Operating Machine and Mower Units Remove the bolt and then the gear cover Important and gear cover packing. When removing the reel gear, the reel cutter rotates. 2,3,4 To fix it, insert a piece of wood during work. Remove reel gear A and wave washer.
  • Page 133 LM315GC Operating Machine and Mower Units Pull out reel housing Assy in the direction of O-ring the arrow. Cover for pin lock Reel gear B Remove the key from the reel cutter shaft. rx9pb3-018 Removal of Reel Cutter_008 Important If the reel cutter shaft is damaged, the reel...
  • Page 134 LM315GC Operating Machine and Mower Units Loosen the reel gear nut at the level that Attaching Reel Cutter (Cutting Cylinder) the reel cutter (cutting cylinder) can be rotated lightly by your hand and you don't Caution feel the backlash. Tightening torque: 7.0 N-m (71.4 kgf-cm / The reel cutter (cutting cylinder), bed knife 61.96 lb-in)

  • Page 135: Front Roller Assy

    LM315GC Operating Machine and Mower Units Front Roller Assy Front Roller Bolt Removal of Front Roller Assy Lock nut Ring wrench Caution Remove mower mounting bolt B and The reel cutter (cutting cylinder), bed knife washer while holding the front roller.
  • Page 136 LM315GC Operating Machine and Mower Units Remove the front roller Assy with holding it Important with both hands. The part of the front roller shaft fixing bolt fixed to the front roller shaft is processed to be flat. Confirm it before loosening the bolt.

  • Page 137: Rear Roller Assy

    LM315GC Operating Machine and Mower Units If the grease nipple position of mower Installation of Front Roller Assy mounting bolt A is not positioned 45 degrees upward toward the travelling Caution direction, insert the necessary number of adjustment washers into mower The reel cutter (cutting cylinder), bed knife mounting bolt A to adjust the angle.
  • Page 138 LM315GC Operating Machine and Mower Units Turn up the mower units. Remove the spring washers and nuts from the rear roller, and then remove the left and right rear roller brackets. x96iif-005 Removal of Rear Roller Assy_001 x96iif-007 Mower unit...

  • Page 139: Grass Catcher Roller

    LM315GC Operating Machine and Mower Units Remove the mower mounting brackets, Grass catcher roller washers, and grass catcher roller Assy. Removal of Grass Catcher Roller Assy Caution The reel cutter (cutting cylinder), bed knife (bottom blade), and groomer blades are all edged tools.

  • Page 140: Cr Brush Driver

    LM315GC Operating Machine and Mower Units CR Brush Driver Installation of Grass Catcher Roller Assy Removal of CR Brush Driver Assy Caution The reel cutter (cutting cylinder), bed knife Caution (bottom blade), and groomer blades are all The reel cutter (cutting cylinder), bed knife edged tools.
  • Page 141 Handle them carefully, since they could cut your hands and feet. Caution See the list in " "Tightening torques" (Page 3-6) ". Note that the Baroness product warranty may not apply to defects caused by incorrect tightening etc. spc9h1-003 For installation, reverse the removing Removal of CR Brush Driver Assy_003 procedure.

  • Page 142: Inspection And Repair Of Each Section

    Make sure that the reel cutter is not ･ cutter and the bedknife increases. tempered. For the grind, consult Baroness dealer or Check to see how much the reel cutter is ･ Kyoeisha. worn.

  • Page 143: Reel Housing

    LM315GC Operating Machine and Mower Units Fix the reel housing with a vise etc. and then Danger Danger remove the oil seal with a flat-blade The reel cutter (cutting cylinder), bed knife screwdriver. (bottom blade), and groomer blades are all edged tools.
  • Page 144 LM315GC Operating Machine and Mower Units Tap the oil seal into the frame housing Important evenly. Be sure to replace the oil seals and bearings Note: with new ones. Use a bearing driver to drive in the bearings and oil seals.

  • Page 145: One-Shaft Housing

    Caution See the list in " "Tightening torques" (Page 3-6) ". Note that the Baroness product warranty may not apply to defects caused by incorrect tightening etc. Remove the gear cover and then the transmission gear. (See " "Transmission Gear"...
  • Page 146 LM315GC Operating Machine and Mower Units Remove the one-shaft housing Assy and Hold the one-shaft housing Assy, knock the one-shaft housing packing from the mower one-shaft with a wood hammer, and remove unit. the ball bearing and one-shaft. 111oxv-002 111oxv-004...
  • Page 147 LM315GC Operating Machine and Mower Units Tap the needle bearing and oil seal evenly Important into the one-shaft housing. Be sure to replace the oil seals and bearings Note: with new ones. Use a bearing driver to drive in the bearings and oil seals.
  • Page 148 LM315GC Operating Machine and Mower Units Tap the ball bearing from above. Important The stop ring has a specific installation direction. Install it in the correct orientation. Install the stop ring onto the one-shaft housing Assy. 111oxv-003 One-shaft housing Assy_010...

  • Page 149: Transmission Gear

    LM315GC Operating Machine and Mower Units Remove the intermediate, reverse and Transmission Gear reel gears. Wear of needle bearings due to frequent use and/or damage of needle bearing etc. caused by invasion of water may prevent smooth rotation of the transmission gear.

  • Page 150: Bed Knife

    LM315GC Operating Machine and Mower Units Install the washers and collars onto the Install the washers onto the intermediate intermediate and reverse shafts. and reverse shafts. Apply grease to the one-shaft. vgy75h-004 Transmission Gear_004 vgy75h-005 Transmission Gear_003 Intermediate gear Washer set A...
  • Page 151 Be sure to replace the screws with new ones. 3-6) ". Install a new bed knife onto the bed knife Note that the Baroness product warranty may mounting with screws by tightening not apply to defects caused by incorrect alternating the right and left ones in order tightening etc.

  • Page 152: Roller

    Handle them carefully, since they could cut your hands and feet. Caution See the list in " "Tightening torques" (Page 3-6) ". Note that the Baroness product warranty may not apply to defects caused by incorrect tightening etc. Remove the front roller Assy. u5fjkf-003...
  • Page 153 LM315GC Operating Machine and Mower Units Follow the same steps again to insert the Important roller shaft into the roller and remove the bearing and washer on the opposite side. The bearing is double-sealed. Be careful not to damage the seal of the bearing itself when driving in.
  • Page 154 LM315GC Operating Machine and Mower Units Tap evenly the part, in which the bearing is Apply a profuse amount of grease to new tapped into the oil seal, on one side of the oil seals. roller. Also apply a profuse amount of grease to Note: the lip of the oil seal.
  • Page 155 Caution See the list in " "Tightening torques" (Page 3-6) ". Note that the Baroness product warranty may not apply to defects caused by incorrect tightening etc. Remove the rear roller Assy. (See " u5fjkf-015 "Removal of Rear Roller Assy"...
  • Page 156 LM315GC Operating Machine and Mower Units Knock the roller shaft out with a wood Fix the roller housing Assy with the vise hammer. etc., and knock oil seal A, bearing, and oil seal B out with the pipe of outer φ19 and a wood hammer.
  • Page 157 LM315GC Operating Machine and Mower Units Tap the oil seal into the roller housing Oil seal evenly. Grease Note: Use a bearing driver to drive in the oil seals. Position the rib of the oil seal facing toward the bearing and install it onto the roller housing.
  • Page 158 Handle them carefully, since they could cut your hands and feet. Caution See the list in " "Tightening torques" (Page 3-6) ". Note that the Baroness product warranty may not apply to defects caused by incorrect tightening etc. Remove the grass catcher roller Assy. k7qo2t-016...
  • Page 159 LM315GC Operating Machine and Mower Units Remove the oil seal and stop ring on the Follow the same steps again to insert the left and right sides. roller shaft into the roller and remove the bearing and washer on the opposite side.
  • Page 160 LM315GC Operating Machine and Mower Units Tap evenly the part, in which the bearng is Important tapped into the oil seal, on one side of the The bearing is double-sealed. roller. Be careful not to damage the seal of the Note: bearing itself when driving in.
  • Page 161 LM315GC Operating Machine and Mower Units Apply a profuse amount of grease to new Insert the roller shaft from the side where oil seals. the bearing of the roller is not installed. Also apply a profuse amount of grease to the lip of the oil seal.

  • Page 162: Mower Mounting Bracket

    Follow the steps below to install the mower 3-6) ". mounting bracket. Note that the Baroness product warranty may Adjust it so that the distance between the not apply to defects caused by incorrect center of the roller shaft receiver of the tightening etc.

  • Page 163: Cr Brush Driver

    2,3,4 Caution See the list in " "Tightening torques" (Page 3-6) ". Note that the Baroness product warranty may not apply to defects caused by incorrect tightening etc. Remove the mower unit and turn it upside c2crd6-002 down.
  • Page 164 LM315GC Operating Machine and Mower Units Loosen the hollow set screw of the pulley of Remove the bearing from the shaft Assy. the brush shaft mounting bracket Assy and then remove the pulley. c2crd6-007 CR Brush Driver_006 c2crd6-005 Brush shaft mounting bracket...

  • Page 165: Cr Brush

    LM315GC Operating Machine and Mower Units Important Important Be sure to replace the bearings and oil seals Be careful not to strain the belt too much. with new ones. Adjust it by the adjustment pulley so that the belt is not slacked, strain it a little more.

  • Page 166: Groomer Assy

    Handle them carefully, since they could cut your hands and feet. Caution See the list in " "Tightening torques" (Page 3-6) ". Note that the Baroness product warranty may 5xbcv8-004 not apply to defects caused by incorrect CR Brush_002 tightening etc.
  • Page 167 Handle them carefully, since they could cut your feet. See the list in "Tightening torques" (Page 3-6) . Note that the Baroness product warranty may t7ajai-017 not apply to defects caused by incorrect or Groomer Assy_002 overtorque tightening etc.
  • Page 168 LM315GC Operating Machine and Mower Units Remove the clutch lever. Remove the clutch shaft Assy. t7ajai-019 t7ajai-021 Groomer Assy_004 Groomer Assy_006 Clutch lever Vertical gear case O-ring Clutch shaft Assy Remove the bolt, spring washer and washer Important of the gear case cover, and then remove the gear case cover.
  • Page 169 LM315GC Operating Machine and Mower Units Remove the wave washers, bearings, and collars. Spring washer Vertical gear Collar Wrench Groomer shaft Assy Important The gear has a specific installation direction. Take note of the direction when removing it. t7ajai-024 Follow the steps below to remove the gear.
  • Page 170 LM315GC Operating Machine and Mower Units Install the groomer blades and collars one Important after the other. A spacer (adjustment washer) is installed onto the groomer shaft. Check the position. Follow the steps below to remove the groomer blade from the groomer shaft.
  • Page 171 LM315GC Operating Machine and Mower Units Tighten the hollow set screw, and then Important lock it with the lock nut. The gear has a specific installation direction. Do not install it facing the wrong direction. Follow the steps below to install the gear.
  • Page 172 LM315GC Operating Machine and Mower Units Attach the stop ring. Confirm that two groomer blades fit into each groove of the front roller. t7ajai-024 t7ajai-031 Groomer Assy_017 Groomer Assy_018 Stop ring Groomer blade Wave washer Spacer Bearing Special nut Collar...

  • Page 173: Troubleshooting

    LM315GC Troubleshooting Relating to the Engine......Page 8-2 Relating to Traveling......Page 8-5 Relating to Steering........Page 8-7 Relating to Operating Machine and Mower Unit..........Page 8-8 Page 8-1...

  • Page 174: Relating To The Engine

    LM315GC Troubleshooting Relating to the Engine Problem Cause Reference The interlock system was activated (not sitting on Electrical System - the seat, parking brake not applied, traveling Measurements - Interlock pedal not neutral and the reel rotation switch not System set to the "OFF"...
  • Page 175 LM315GC Troubleshooting Problem Cause Reference Electrical system - Faulty ignition key switch Electrical equipment – Key switch Engine Maintenance Malfunction of the engine stop solenoid The engine does not start (the Manual starter motor turns). Engine Maintenance No engine compression...
  • Page 176 LM315GC Troubleshooting Problem Cause Reference This machine's Owner's Insufficient amount of coolant Operating Manual Engine Maintenance Insufficient fan belt tension Manual Buzzer warning about overheating sounds Engine Maintenance Faulty thermostat Manual Engine Maintenance Malfunction of water temperature sensor Manual Faulty alternator wire Inspect and repair the wire.

  • Page 177: Relating To Traveling

    LM315GC Troubleshooting Relating to Traveling Problem Cause Reference This machine's Owner's Engine rpm is slow. Operating Manual Engine Maintenance Engine does not run smooth. Manual This machine's Owner's The parking brake is applied. Operating Manual Machine - Adjustment - Insufficient adjustment of the throttle wire...
  • Page 178 LM315GC Troubleshooting Problem Cause Reference Main body - Adjustment - Malfunction of neutral of the piston pump Adjusting the Neutral Position of the Piston Pump It travels forward or backward Malfunction of bearing of neutral lever part Replacement of the bearing even when the pedal is released.

  • Page 179: Relating To Steering

    LM315GC Troubleshooting Relating to Steering Problem Cause Reference This machine's Owner's Engine rpm is slow Operating Manual This machine's Owner's Tire pressure is low Operating Manual This machine's Owner's Amount of hydraulic oil is low. Operating Manual Replacement of Suction...

  • Page 180: Relating To Operating Machine And Mower Unit

    LM315GC Troubleshooting Relating to Operating Machine and Mower Unit Problem Cause Reference Hydraulic system - Measurement - Up/Down circuit Malfunction of the valve module Replacement of valve module The more units cannot Hydraulic system - Measurement - Up/Down be raised...

  • Page 181: Reference

    LM315GC Troubleshooting Problem Cause Reference Reel rotation is slow Engine rpm is slow This machine's Owner's Operating Manual Insufficient tension of the spring of Adjustment - Adjustment of Cutter Adjustment the pipe with cutter adjustment screw Spring Adhesion or play of the raising and...
  • Page 182 LM315GC Troubleshooting Problem Cause Reference The oil level buzzer Electrical system - Electrical equipment – Level Malfunction of the oil level switch sounds switch Page 8-10 Relating to Operating Machine and Mower Unit...
  • Page 183 LM315GC Reference Specifications......... Page 9-2 Maintenance Schedule......Page 9-3 Hydraulic circuit diagram.......Page 9-5 2WD............Page 9-5 3WD............Page 9-6 Electrical Circuit........Page 9-7 Start the engine........Page 9-7 Stop the engine........Page 9-8 Mower Unit Control......... Page 9-9 3WD............Page 9-10 Buzzers..........Page 9-11 Work Lamp...........

  • Page 184: Specifications

    LM315GC Reference Specifications LM315GC Diesel Total length 2,155 mm (84.8 in) Total width 1,730 mm (68.11 in) ROPS 1,660 mm (65.35 in) Total Highest tilt position 1,410 mm (55.51 in) Steering height wheel Lowest tilt position 1,320 mm (51.97 in) Wheelbase 1,185 mm (46.65 in)

  • Page 185: Maintenance Schedule

    (20 L) (5.28 U.S. gal.) Hydraulic tank capacity 16.0 dm (16 L) (4.23 U.S. gal.) Maintenance Schedule LM315GC Diesel Model Follow the maintenance schedule below. ○ ... Inspection, adjustment, supply, cleaning ● ... Replace (first time) △ ... Replace Maintenance item Tightening the parts ○...
  • Page 186 LM315GC Reference Maintenance item Steering chain Cutting (or brush) height ○ Greasing, oiling greasing ○ ○ points Tire ○ Rubber crawler V-belt ○ △ Brake ○ Wire ○ △ Cover ○ Oil leakage ○ 100 hrs. Hydraulic Oil ○ ●...

  • Page 187: Hydraulic Circuit Diagram

    LM315GC Reference Hydraulic circuit diagram gslvj6-007 2WD_001 Hydraulic circuit diagram Page 9-5...

  • Page 188: 3Wd

    LM315GC Reference tyg9sz-008 3WD_001 Page 9-6 Hydraulic circuit diagram...

  • Page 189: Electrical Circuit

    LM315GC Reference Electrical Circuit Start the engine 30 (BAT) 19 (GLOW) 50 (ST) Starter B terminal Starter ST terminal Glow plug Oil pressure switch Water temperature sensor Alternator Alternator ＮＣ foeghz-002 Start the engine_001 Electrical Circuit Page 9-7...

  • Page 190: Stop The Engine

    LM315GC Reference Stop the engine LW 2 ＮＣ ehc814-002 Stop the engine_001 Page 9-8 Electrical Circuit...

  • Page 191: Mower Unit Control

    LM315GC Reference Mower Unit Control Mower units UP Mower units DOWN RL 2 ＮＣ WG 3 RB 4 fmz72n-002 Mower Unit Control_001 Electrical Circuit Page 9-9...

  • Page 192: 3Wd

    LM315GC Reference Load current Ignition Key AC 19 50 Proximity sensor GLOW START (reel rotation switch) Toggle switch (2WD/3WD changeover switch) LED lamp (red) Battery Fuse Fusible link − ＋ 2WD/3WD changeover valve Proximity sensor (reel rotation switch) Interlock relay unit...

  • Page 193: Buzzers

    LM315GC Reference Buzzers Load current Ignition Key AC 19 50 GLOW Parking brake switch START When traveling pedal is set to neutral position Proximity switch Battery Fuse Fusible link Water temperature sensor Buzzer − ＋ − ＋ OPEN Parking brake...

  • Page 194: Work Lamp

    LM315GC Reference Work Lamp 6uy71y-010 Work Lamp_001 Page 9-12 Electrical Circuit...

  • Page 195: Electric Wiring Diagram

    LM315GC Reference Electric wiring diagram Main Wire souhlp-002 Main Wire_001 Electric wiring diagram Page 9-13...

  • Page 196: Electric Wiring Diagram

    LM315GC Reference Work Lamp Wire ppnpv2-002 Work Lamp Wire_001 Page 9-14 Electric wiring diagram...

  • Page 197: List Of Consumables

    LM315GC Reference List of Consumables The consumables are described below. Caution Use tools appropriate for each replacement operation. Code Part name Qty. Remarks Fan belt PF16883-9701-0 Fan belt Oil filter PF15853-3243-0 Filter (oil cartridge) Fuel filter PF1G313-4356-0 Fuel filter element...
  • Page 198 LM315GC Reference Code Part name Qty. Remarks Rear wheel motor Seal kit for orbit motor 2000 Y61091S (for shaft) (K3291000130) YGS02-5710 Solenoid valve Valve module (LM315GB0105Z0) YCCP012L Coil for solenoid valve Mower up/down control Mower unit control relay unit LM315GC1902Z0...
  • Page 199 Head Office 1-26, Miyuki-cho, Toyokawa, Tel : (0533) 84 - 1390 Fax : (0533) 89 - 3623 Aichi-Pref. 442-8530 Japan. LM315GC-SM--USZ/13M-00-S.K...

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