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IT14G Integrated Toolcarrier and 914G Wheel Loader Engine Supplement Caterpillar


Engine and Pumps - Remove

Usage:

IT14G 1WN

Removal Procedure

Start By:

  1. Connect the steering frame lock. Refer to Disassembly and Assembly, "Steering Frame Lock - Separate and Connect".
  2. Remove the hood. Refer to Disassembly and Assembly, "Hood - Remove and Install".
  3. Release the hydraulic system pressure. Refer to Disassembly and Assembly, SENR6768, "Hydraulic System Pressure - Release".
  4. Remove the muffler. Refer to Disassembly and Assembly, "Muffler - Remove and Install".
  5. Remove the batteries. Refer to Disassembly and Assembly, "Batteries - Remove and Install".
  6. Remove the hydraulic oil cooler. Refer to Disassembly and Assembly, SENR6776, "Remove and Install Hydraulic Oil Cooler".
  7. Remove the radiator. Refer to Disassembly and Assembly, "Radiator - Remove and Install".

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------ WARNING! ------

At operating temperature, the engine coolant is hot and under pressure.

Steam can cause personal injury.

Check the coolant level only after the engine has been stopped and the fill cap is cool enough to touch with your bare hand.

Remove the fill cap slowly to relieve pressure.

Cooling system conditioner contains alkali. Avoid contact with the skin and eyes to prevent personal injury.

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------ WARNING! ------

Hot oil and components can cause personal injury.

Do not allow hot oil or components to contact skin.

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------ WARNING! ------

Hot oil and hot components can cause personal injury. Do not allow hot oil or hot components to contact skin.

At operating temperature, the engine coolant is hot and under pressure.

Steam can cause personal injury.

Check the coolant level only after the engine has been stopped and the cooling system pressure cap is cool enough to touch with your bare hand.

Remove the cooling system pressure cap slowly to relieve pressure.

Cooling system conditioner contains alkali. Avoid contact with the skin and eyes to prevent personal injury.

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NOTICE

Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the machine. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.

Refer to Special Publication, NENG2500, "Caterpillar Tools and Shop Products Guide", for tools and supplies suitable to collect and contain fluids in Caterpillar machines.

Dispose of all fluids according to local regulations and mandates.

Note: Put identification marks on all lines, on all hoses, on all wires and on all tubes for installation purposes. Plug all lines, all hoses and all tubes. This helps to prevent fluid loss and this helps to keep contaminants from entering the system.

  1. Drain the coolant into a suitable container for disposal.
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    Illustration 1g00502029

  1. Remove six bolts and washers (1) from the engine guard (2). Remove guard (2) .
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    Illustration 2g00502031

  1. Remove four bolts and washer (3) from bottom guard (4). Remove bottom guard (4) from the machine.

  1. Drain the hydraulic oil into a suitable container for storage or disposal.
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    Illustration 3g00502036

  1. Loosen clamp (5) and remove hose (6) .

  1. Disconnect lines (7) and (8) from the air conditioning compressor.
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    Illustration 4g00502786

  1. Loosen two clamps (9) and remove two heater hoses (10) .
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    Illustration 5g00502039

  1. Turn valve (11) in order to shut off fuel supply to the engine.
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    Illustration 6g00502041

  1. Loosen clamp (12) and remove the fuel line (13) from the engine.
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    Illustration 7g00502064

  1. Loosen clamp (14) and remove hose (15) from the engine.

  1. Remove two bolts and washers (16) from the bracket.

  1. Remove two bolts and washers (17) from bracket (18) .
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    Illustration 8g00502075

  1. Remove three bolts and washers (19) from exhaust pipe (20). Remove pipe (20) .
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    Illustration 9g00502077

  1. Loosen two clamps (21) and remove hose (22) from the engine.
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    Illustration 10g00502078
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    Illustration 11g00502144

  1. Remove two bolts and washers (23) from plastic clip (24). Remove plastic clip (24) .

  1. Remove five bolts and washers (25) from guard (26). Remove guard (26) .
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    Illustration 12g00502146

  1. Remove two bolts and washers (27). Remove wire (28) .
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    Illustration 13g00502150

  1. Remove four bolts and washers (29) from the top guard (30). Remove three bolts and washers (31) from the front guard (30). Remove guard (30) .
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    Illustration 14g00502152

  1. Remove three bolts and washers (32). Remove battery holder (33) .
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    Illustration 15g00502155

  1. Remove two bolts and washers (34) from plate (35). Remove plate (35) .
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    Illustration 16g00502157

  1. Remove the nut, washer (36) and ground wire (37). Remove ground wire (37) .
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    Illustration 17g00502158

  1. Remove two bolts and washers (38) from panel (39). Remove panel (39) away from the engine.
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    Illustration 18g00503008

  1. Remove three bolts and washers (40) from guard (41) .
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    Illustration 19g00502162

  1. Remove two bolts and washers (41) from guard (42). Remove guard (42) .
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    Illustration 20g00502205

  1. Remove three bolts and washers (43) from guard (44). Remove guard (44) .
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    Illustration 21g00502211

  1. Disconnect wire (45) from the engine.

  1. Disconnect wire assembly (47) from the alternator.

  1. Remove the nut and disconnect wire assembly (46) from the alternator.
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    Illustration 22g00502215

  1. Disconnect wire assembly (48) from starter (49) .
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    Illustration 23g00502216

  1. Remove the bolt and ground wire (50) from the starter.

  1. Remove the nut and wire assembly (51) from the starter.
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    Illustration 24g00502219

  1. Remove the nut and wire (52). Disconnect wire (53) .
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    Illustration 25g00502244

  1. Disconnect two connectors (54) .

  1. Unplug two wires (55) and (56) .
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    Illustration 26g00502246

  1. Disconnect connector (57) from the hydraulic pump.
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    Illustration 27g00502247

  1. Cut off the straps. Pull electrical wires (58) away from the engine.
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    Illustration 28g00502250

  1. Remove nut (59) and spring (60) from the throttle linkage.

  1. Loosen nut (61) and remove throttle cable (62) from the engine.
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    Illustration 29g00502283

  1. Disconnect lines (63) and (64) from the piston pump.
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    Illustration 30g00502303

  1. Remove four bolts (65) and couplings (66) from the implement pump.

  1. Remove lines (67) and (68) away from the engine.
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    Illustration 31g00502313

  1. Remove eight bolts (69), tube (70), and tube (71) from the implement pump.

  1. Disconnect lines (72) and (73) from the implement pump.
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    Illustration 32g00502318

  1. Remove four bolts and washers (74) .

  1. Remove two couplings (75) and line (76) away from the piston pump.

  1. Disconnect lines (77), (78), and (79) .
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    Illustration 33g00502319

  1. Remove four bolts and washers (80) .

  1. Remove two couplings (81) and line (82) from the piston pump.

  1. Disconnect line (83) from the piston pump.
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    Illustration 34g00502345
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    Illustration 35g00502346

  1. Use a suitable lifting device, as shown. Apply slight tension to the suitable device.

  1. Remove three bolts and washers (84) from the engine.

  1. Remove the engine from the machine. the weight of the engine and pumps is 590 kg (1300 lb).

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