Thomas 135TA Operator's Manual
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Thomas 135TA Operator's Manual

Skid steer loader
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135TA / 137 / 153
Skid Steer Loader
Owner's
and
Operator's
Manual
PUBLICATION NO. 52935
June 2005

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Philippe
January 30, 2025

valve zit vast

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1 comments:
Mr. Anderson
February 10, 2025

If the control valve spool is not centering, check for sticking foot pedal linkages and inspect for a broken or stuck return spring on the valve spool. If necessary, correct any issues found.

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Summary of Contents for Thomas 135TA

  • Page 1 135TA / 137 / 153 Skid Steer Loader Owner’s Operator’s Manual PUBLICATION NO. 52935 June 2005...
  • Page 2 PURCHASER AND WILL THEREFORE APPLY EVEN IF THE PURCHASER ALLEGES THAT THERE IS A TOTAL FAILURE OF THE PRODUCT. N.B. Read and practice your Thomas operating and servicing instructions. Failure to do this may void the warranty. PUBLICATION NUMBER 52473 ©...

  • Page 3: Table Of Contents

    4. 12 Tire Maintenance 4. 13 Trouble Shooting 4. 14 Hydraulic / Hydrostatic Circuit 4. 15 Special Tools SPECIFICATIONS 5. 1 Loader Specifications 5. 2 Torque Specifications 5. 3 Decals ATTACHMENTS AND BUCKETS 6. 1 Thomas Approved Buckets and Attachments...
  • Page 4 FOREWORD This book has been written to give the Owner / Operator necessary operating, servicing and preventative maintenance instructions on the loader. Read this manual completely and know the loader before operating or servicing it. Do not do any service procedures that are not in the Operator’s manual. Only service personnel that have had training in the service of this loader can do these service procedures.

  • Page 5: Safety Precautions

    5. Do not bypass the safety system. Consult your Thomas place. Equipment Dealer if your safety controls are malfunctioning.

  • Page 6: Controls

    1. SAFETY PRECAUTIONS To avoid personal injury, lower the lift arms, shut off the engine, raise the seat bar and cycle the hydraulics to ensure they are locked. Then, unlatch the seat belt WARNING and exit the loader. Do not enter or exit with the engine running unless as specified in this manual or under...

  • Page 7: Instrument Panel

    2. CONTROLS 2. CONTROLS 2. 1 Instrument Panel 2. 2 Control Lever Handles 2. 3 Seat and Seat Belt 2. 4 Seat Bar 2. 5 Parking Brake 2. 6 Throttle Control 2. 7 Lift Arm Supports 2. 8 Steering Controls 2.
  • Page 8 2. CONTROLS INSTRUMENT PANEL 9 10 11 12 13 14 15 16 17 18 20 21 22 23 Fig. 2.1 C3170 1. Fuel Gauge: The fuel gauge indicates the quantity of The brake light will Brake Indicator Light: fuel remaining in the fuel tank. illuminate when the parking brake is engaged.
  • Page 9 2. CONTROLS CONTROL LEVER HANDLES Fully retract lift arm LH Control Handle RH Control Handle support pins before IMPORTANT raising or lowering lift arms. Air Cleaner Indicator Light: This light will illuminate when there is an obstruction in the intake or when the air filter needs servicing.
  • Page 10 2. CONTROLS SEAT AND SEAT BELT The loader is equipped with a deluxe seat. The seat can be adjusted forward or back for operator comfort. (Fig. 2.2A). For your safety the loader is equipped with a seat belt. Before starting the loader adjust and fasten the seat belt (Fig.
  • Page 11 2. CONTROLS 2. 4 SEAT BAR For operator protection the loader is equipped with a seat bar. The loader must be started with the operator seated in the loader and the seat bar in the up position. To raise the seat Seat Bar Up bar, lift up on the bar (Fig.
  • Page 12 2. CONTROLS 2. 5 PARKING BRAKE The loader is equipped with park brakes, located inside the torque motor. The brakes are activated and de-activated by the seat bar, via charge pressure. When the seat bar is in the up position, the brake is activated (Fig. 2.4A). When Seat bar UP the seat bar is in the down position, the brake is off (Fig.
  • Page 13 2. CONTROLS To operate the lift arm supports, first remove any bucket or attachment from the quick - tach; raise the lift arms to full height and shut OFF the engine. Push the two lift arm support pin handles located directly in front of the operator at the top of the operator compartment (Fig.
  • Page 14 2. CONTROLS ELECTRIC SOLENOID AUXILIARY HYDRAULIC CONTROL AUXILIARY CONTROLS Auxiliary hydraulics (solenoid operated - standard) NEUTRAL A switch located on the L.H. steering control lever (Fig. 2.8A) is used to engage the loader’s auxiliary hydraulic circuit to power attachments such as post hole augers, sweepers, etc. SEAT SIDE ROPS SIDE Pressing and holding the switch in position 1 (fig.

  • Page 15: Operation

    2. CONTROLS 2.10 FOOT CONTROLS Operation of the lift cylinders and the bucket tilt cylinders are controlled by the foot pedals (fig. 2.10) connected to a hydraulic control valve. The hydraulic control valve is a series type valve which allows simultaneoous use of both the lift and bucket tilt circuits.
  • Page 16 2. CONTROLS Push the locking lever (1) fully down (Fig. 2.11D) extending 2.12 QUICK - TACH the lock pins (Fig. 2.11E item 2) through the attachment and The quick - tach, which is standard equipment, allows securing the attachment. changing from one attachment to another quickly without Before operating the attachment check that the locking pins having to remove bolt or pins.
  • Page 17 2. CONTROLS FUSE PANEL (3) 2.13 ELECTRICAL PANEL 4. Electric Fuel Solenoid Shutoff (15A) The loader is equipped with a 12 volt, negative ground electrical system. The fuse and relay panel are located in 5. Alternator Light (10A) the engine compartment on the engine cover. The panel 6.

  • Page 18: Starting Instructions

    3. OPERATION 3. OPERATION 3. 1 Starting Instructions 1. Pre-Starting Inspection 2. Starting Procedure 3. Shut-Off Procedure 3. 2 Operating Procedures 3. 3 Filling From a Pile 3. 4 Digging With a Bucket 3. 5 Leveling and Backfilling 3. 6 Auxiliary Hydraulics 3.
  • Page 19 3. OPERATION STARTING INSTRUCTIONS This engine is equipped 1. Pre-Starting Inspection with glow plugs. Do not IMPORTANT use ether or any high Before starting the loader complete the following energy fuels to assist inspection: starting. (1) Check the hydraulic oil level, engine oil level, engine coolant level and fuel supply.
  • Page 20 3. OPERATION 3. 2 OPERATING PROCEDURES When learning to use the loader operate at a slow rate. Take advantage of the efficient operation of the loader. Keep the travel distance as short as possible. Keep the work area small so the cycle time is short. Keep the work area as level as possible.
  • Page 21 3. OPERATION 3. 4 DIGGING WITH A BUCKET Push on the toe of the lift arm pedal and lower the lift arms completely down. Push on the toe of the bucket pedal and place the cutting edge of the bucket on the ground (Fig. 3.4D).
  • Page 22 3. OPERATION 3. 5 LEVELING AND BACKFILLING Spread dirt on uneven ground by pushing on the heel of the lift arm pedal (Fig. 3.5G) to raise the lift arms and push on the toe of the bucket pedal to tilt the bucket down as you drive forward.
  • Page 23 3. OPERATION 3. 6 AUXILIARY HYDRAULICS C3022 To operate an attachment such as a grapple fork the Left Hand Control Lever will be used. Push right of neutral on the Auxiliary Hydraulic Control Switch to open the grapple (Fig. 3.6J). To close the grapple (Fig.

  • Page 24: Maintenance

    3. OPERATION 3. 7 LIFTING The loader is equipped with features to use in lifting (for example by crane onto a flatbed trailer or a flat car), for securing, and for extraction (from mud or snow). To facilitate this requires the optional lifting lugs. To lift using a crane, first follow the shut - off procedure in section 3.1-3.
  • Page 25 3. OPERATION SECURING AND TRANSPORTING There are three tie down points provided for securing the skid steer while transporting. One at the lower front and two at the rear (Fig. 3.9). Be sure the trailer and/or truck is of adequate size and capacity to safely transport your skid steer.
  • Page 26 3. OPERATION 3.10 LOWERING LIFT ARMS (ENGINE OFF) In the event that you should have an electrical failure which renders your skid steer inoperable with the lift arms up, the following procedures would apply. To avoid personal injury: Do not leave lift arms up WARNING unless the lift arm supports are engaged.
  • Page 27 3. OPERATION 3.11 ACCUMULATOR The accumulator (fig. 3.11A) stores system pressure until Accumulator it is required to activate the electric auxiliary. The key must be placed in the “On” position to operate the electric auxiliary (engine not running). The electric auxiliary and stored system pressure can be used to activate the spools.
  • Page 28 4. MAINTENANCE 4. MAINTENANCE 4. 1 Preventative Maintenance Service Schedule 4. 8 Engine Maintenance Engine Maintenance 4. 2 Service Access Oil Level Check Lift Arm Support Engine Oil and Filter Replacement Seat Removal Cooling System Fluid Battery Access V-Belt Tension Engine Compartment Adding Fuel Fuel Filter Replacement...

  • Page 29: Preventive Maintenance Service Schedule

    4. MAINTENANCE 4.1 PREVENTIVE MAINTENANCE SERVICE SCHEDULE ITEM SERVICE REQUIRED Engine Oil Check level and add if necessary. Use 10W30 API Classification CF oil. Check level and add if necessary. Use10W30 API Classification SJ or Hydraulic Oil 20W50 API Classification SJ oil. Check level and add if necessary.
  • Page 30 SERVICE REQUIRED Engine Fuel Filter Replace engine fuel filter. (See Section 4.8-6). Engine Valve Clearance Adjust (See Thomas Dealer). Final Drive Change final drive lubricating oil. Use 10W30 API Classification SJ oil. Hydraulic reservoir Remove and replace the 100 micron suction element in the oil reservoir.

  • Page 31: Service Access

    4. MAINTENANCE 4. 2 SERVICE ACCESS Lift Arm Support For safety while performing regular service or maintenance work, the loader is equipped with lift arm support pins. The lift arm support pins when extended prevent the lift arms from dropping if hydraulic pressure is relieved or the hydraulic controls are accidentally cycled.

  • Page 32: Daily Service Checks

    4. MAINTENANCE Engine Compartment The engine compartment is completely enclosed for component protection and lockable to discourage vandalism. For servicing the rear door swings open and the engine cover hinges up. To open; raise the door lock handle up over the lock plate; pull outward releasing the door catch and swing the door open (Fig.
  • Page 33 4. MAINTENANCE Tires and Wheel Nuts Torque Wheel Nuts 100 - 110 lbs. ft. (136 - 149 Nm) Inspect tires for wear or damage. Check and inflate tires to correct pressure: 10.00 x 16.5 ...40 - 45 PSI (276 - 310 kPa) Tires can be inflated to 50 PSI (345 kPa) when operating on hard, flat surfaces.

  • Page 34: Hour Service Check

    1.7 Engine Speed: Check engine speed and if adjustment is necessary, contact a Thomas Equipment dealer. Keep the rear door closed except for servicing. Make sure the IMPORTANT...
  • Page 35 4. MAINTENANCE Hydraulic/Hydrostatic 3.5 Axle Seal: 2.1 Hydraulic Oil Filter: Change the hydraulic filter now and every 150 hours Inspect axle seal area. Clean area of debris build up after the initial change. Lubricate the filter cartridge and visually check for seal damage, replace as seal with system fluid.
  • Page 36 Check battery terminals for corrosion. If necessary, instruction decals are in place. If necessary, replace. clean. If the safety controls are malfunctioning or require adjustment, consult a Thomas Equipment Dealer for 5.3 Starter Operation: service. Engage and disengage the starter a few times to ensure 7.

  • Page 37: Final Drive Maintenance

    4. MAINTENANCE 4. 6 FINAL DRIVE MAINTENANCE Oil Level Check The loader has two independent final drive housings. Check the lubricating oil level with the loader on a level surface. Remove the check plug (Fig. 4.6A) located on the front of the loader to determine the oil level. The oil level should be checked after 50 operating hours and every 150 hours thereafter.

  • Page 38: Hydraulic / Hydrostatic System Maintenance

    4. MAINTENANCE 4. Chain Drive Adjustment Chain Tension Guage The drive chain must be checked for excessive slack after the first 50 hours of operation and every 150 hours thereafter. To adjust, remove the inspection cover on the seat support. With the parking brake engaged, remove the filler cap and measure the amount of free play in the chain with the Front...
  • Page 39 15 gallons (58 liters) of fluid. Remove any metal particles stuck to the magnet. Hydraulic Seal the plug with teflon tape when replacing. Filter Thomas recommends that you abide by all Fig. 4.7C C3364 IMPORTANT applicable enviromental regulations when disposing of oil.
  • Page 40 Brake Service Override A service override has been incorporated for use by Thomas Dealers. The normal position of the plunger is down and turned into the locked position (Fig. 4.7F). To release the park brake, turn the release button counter clockwise.

  • Page 41: Engine Maintenance

    4. MAINTENANCE 4. 8 ENGINE MAINTENANCE 1. Engine Specifications 135TA/137 Make....................Kubota..........Kubota Model...................V2203E..........V1903E No. of Cyls ..................4............4 Horsepower (Gross) ..............49............42 Power (ISO9249 Net Power) ............34.3 kW...........29kW Power CE (ISO9249 Net Power) ..........33.8 kW...........28.9kW High Idle..................2800..........2800 High Idle CE ................2600..........2600 Max. Torque..............115 ft.lbs. (15.9kg/m@1600)....89.1 ft.lbs. (12.3 kg/m @ 1600) Displacement ..............
  • Page 42 4. MAINTENANCE V-Belt Tension Check the V-belt tension midway between the crankshaft Fan Pulley pulley and alternator pulley (Fig. 4.8C). Deflection should be between 1/4 to 3/8 in. (7-9 mm). Adding Fuel Use No. 2 diesel fuel only. Total tank capacity 18 gal. (68 Alternator L).

  • Page 43: Air Cleaner Maintenance

    4. MAINTENANCE 4. 9 AIR CLEANER MAINTENANCE Air Cleaner Daily Maintenance Hose Inspect the air cleaner canister for holes, dents, missing or mis-aligned gaskets. Check all hose clamps for tightness and inspect the hose and vacuator valve for damage (Fig. 4.9A). Servicing Cleaner Element (Fig.

  • Page 44: Engine Cooling System

    4. MAINTENANCE 4. 10 ENGINE COOLING SYSTEM The engine cooling system fluid is a 50-50 mixture of ethylene glycol and water for cold-weather protection. To drain the cooling system; attach a hose to the drain valve located at the engine block (Fig. 4.10A). Remove the radiator cap.

  • Page 45: Electrical System

    4. MAINTENANCE 4. 11 ELECTRICAL SYSTEM To prevent personal injury Battery Maintenance and Boosting DO NOT charge a frozen battery because it can Inspect the batteries on a regular basis for damage such as explode and cause WARNING a cracked or broken case or cover which would allow personal injury.
  • Page 46 4. MAINTENANCE ELECTRICAL SCHEMATIC – ROPS C3361...
  • Page 47 4. MAINTENANCE 3. ELECTRICAL SCHEMATIC – ENGINE C3690...

  • Page 48: Tire Maintenance

    4. MAINTENANCE Use a clip-on tire chuck with a remote hose and 4. 12 TIRE MAINTENANCE gauge which allows the operator to stand clear of Tire Inflation and Service the tire while inflating it. Upon receiving your loader, check the air pressure 1.10 After seating the beads, adjust inflation pressure to in the tires as indicated in the tables.

  • Page 49: Trouble Shooting

    Replenish with 10W30 API SJ oil. Oil cooler plugged or dirty (also Clean cooling fins. check engine radiator) Auxiliary engaged Disengage. Contact Thomas Equipment for all major fixes under the remedy column except for regular service (ie. Replenish fluids, tightening etc.)
  • Page 50 Inspect couplings for sheared rear pump failure splines, replace. Also check support bearings in pumps. Check system pressure If low, consult dealer or Thomas Service Dept. Gradual loss of power as machine Excessive internal leakage in pump Consult dealer or Thomas Service...
  • Page 51 4. MAINTENANCE 3. Final Drive Transmission Problem Cause Remedy No lubricating oil Check and bring oil to the proper Final drive transmission noisy level. Use 10W30 API SH engine oil. Axles have too much end play Preload axle bearings removing all end play.
  • Page 52 4. MAINTENANCE 5. Electrical (Continued) Problem Cause Remedy Engine will not crank over Fuse burnt Check and replace. (continued) Defective relay Check relay continuity. If defective, replace. Ignition switch failure Check continuity, repair or replace. Engine cranks over, but will not start Auxiliary hydraulics engaged Engine will smoke, but not run unassisted by starter.
  • Page 53 4. MAINTENANCE 6. Engine (Continued) Problem Cause Remedy Starter does not run Battery discharged Charge. Starter malfunctioning Repair or replace. Key switch malfunctioning Repair or replace. Wiring disconnected Connect. Engine revolution is not smooth Fuel filter clogged or dirty Clean or change. Air cleaner clogged Clean or change.
  • Page 54 4. MAINTENANCE 6. Engine (Continued) Problem Cause Remedy Engine overheated Engine oil insufficient Replenish. Fan belt broken or elongated Change or adjust. Cooling water insufficient Replenish. Radiator net and radiator fin clogged Clean. with dust Inside of radiator corroded Clean or replace. Cooling water flow route corroded Clean or replace.

  • Page 55: Hydraulic / Hydrostatic Circuit

    4. MAINTENANCE 4.14 HYDRAULIC / HYDROSTATIC CIRCUIT Brake Release Coupler Oil Cooler Micron Filter Oil Tank Control Valve Tandem Pump Torque Motor w/ Brakes Brake Valve Torque Motor Hydraulic Gear w/ Brakes Pump C4218 Fig. 4. 12...
  • Page 56 4. MAINTENANCE 4.14 HYDRAULIC CIRCUIT Lift Cylinders Auxiliary Hydraulics Tilt Cylinders Lift Cylinder Circuit Aux. Hydraulics Circuit Tilt Cylinder Circuit From Gear Pump To Oil Cooler Control Valve C4217...

  • Page 57: Special Tools

    4. MAINTENANCE 4.15 SPECIAL TOOLS Part # DESCRIPTION MODEL ILLUSTRATION T95S, T103S, T105S, 962201 SEAL INSTALLATION TOOL: T115S To install axle seal in final drive housing. T103, T133, T133S, Qty. 3 required T135, 137, T153, 955281 1300 C3651 AXLE EXTRACTOR TOOL: T103, T103S, 955283 To remove axle from final drive housing.
  • Page 58 4. MAINTENANCE 4.15 SPECIAL TOOLS (Cont’d) Part # ILLUSTRATION DESCRIPTION MODEL UNIVERSAL TOOL KIT: 1 each. Combination wrench 7/16”, 1/2”, Universal U-1288 9/16”, 11/16”, 3/4”, 1 1/16”, 1 1/4”. Sockets, Tool Kit MODELS 1”, 1/2” drive, 7/8”, 1/2” drive, tool pouch, allen wrench 5/32”...
  • Page 59 4. MAINTENANCE 4.15 SPECIAL TOOLS (Cont’d) Part # ILLUSTRATION DESCRIPTION MODEL 43979 CHAIN PULLER MODELS C1840 SPANNER WRENCH 2’’ - 4 3/4’’: 43980 To Repair Hydraulic Cylinders MODELS C1841 PHOTO SENSOR / WHEEL SPEED 43981 TACHOMETER (Dual Function) MODELS C1837 T173HLS T173HLS II FORCE GAUGE, PUSH PULL:...

  • Page 61: Specifications

    5. SPECIFICATIONS 5. SPECIFICATIONS 5. 1 Loader Specifications 5. 2 Torque Specifications 5. 3 Decals...
  • Page 62 5. SPECIFICATIONS LOADER SPECIFICATIONS Dimensions: (With Std. Tires & Dirt Bucket) 135TA/137 A. Overall operating height ..................138” (3505.2 ) 137 3/4” (3498.9) B. Height to hinge pin ....................110” (2794) 110” (2794) C. Overall vehicle height ..................73.5” (1867) 73.5” (1867) D.
  • Page 63 Control Valve................Series type with float on lift and detent on auxiliary Filtration..........................5 Micron Hydraulic Fluid....................10W30 API Class, SG Oil Cooler.........................674 BTU (711 kCal) Cylinders..........Lift (153)......Lift (135TA/137)....Tilt (153/135TA/137) Type..........Double acting.......Double acting......Double acting Qty- per mach ..........2...........2 ..........2 Bore dia ..........2.5 in........2 in.........2.5 in.
  • Page 64 5. SPECIFICATIONS 153/135TA/137 Tires Standard....................10.00 x 16.5, 6 ply rating, 40 - 45 PSI (276 - 310 kPa) Fluid Capacities Fuel tank ......................16. 8 Gal. (64 L) ......Diesel No. 2 Final drive transmissions (each) ................1.5 gal. (5.7 L) ....10W30 API SJ Hydraulic reservoir ....................8 gal.

  • Page 69: Attachments And Buckets

    6. ATTACHMENTS AND BUCKETS 6. ATTACHMENTS AND BUCKETS 6. 1 Thomas Approved Buckets and Attachments...
  • Page 70 6. ATTACHMENTS AND BUCKETS 6. 1 THOMAS APPROVED BUCKETS AND ATTACHMENTS Buckets Cat. # Description SAE Heaped Cap. (cu. ft.) Approx. Weight 1882 54” (1372 mm) Dirt Bucket 10.5 330 lb.(149.7 kg) 1881 60” (1524 mm) Dirt Bucket 10.5 354 lb. (160.6 kg) 2667 66”...
  • Page 71 6. ATTACHMENTS AND BUCKETS 6. 1 THOMAS APPROVED BUCKETS AND ATTACHMENTS (Continued) Pallet Fork Cat. # Description Approx. Weight 2330 Pallet Fork Frame (Requires Tines) 226 lb. (102.5 kg) 30” Tines (Set of Two) 110 lb. (49.9 kg) 36” Tines (Set of Two) 138 lb.
  • Page 72 6. ATTACHMENTS AND BUCKETS 6. 1 THOMAS APPROVED BUCKETS AND ATTACHMENTS (Continued) Angle Broom Cat. # Description Approx. Weight 2189 72” Angle Broom (Requires Quick Coupler Kit) 500 lb. (226.8 kg) 2708 Quick Coupler Kit, Poppet Style 5 lb. (2.3 kg)

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