| Required Tools | |||
|---|---|---|---|
| Tool | Part Number | Part Description | Qty |
| A | 6V-3145 | Load Leveler Gp | 1 |
Start By:
- Remove the fan and fan drive.
- Remove the counterweight.
- Remove the main hydraulic pump.
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Accidental machine starting can cause injury or death to personnel working on the machine. To avoid accidental machine starting, turn the battery disconnect switch to the OFF position and remove the key. If the machine is not equipped with a battery disconnect switch, disconnect the battery cables from the battery and tape the battery clamps. Place a do not operate tag at the battery disconnect switch location to inform personnel that the machine is being worked on. |
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At operating temperature, the hydraulic oil is hot and under pressure. Hot oils can cause burns. To prevent possible personal injury, release the pressure in the work tool hydraulic circuit (boom, stick, bucket, and swing), travel circuits, and the hydraulic oil tank at the filler cap before any hydraulic lines or components are disconnected or removed. Remove the filler cap only when the engine is stopped and the filler cap is cool enough to touch. |
| NOTICE |
|---|
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Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting, and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. Refer to Special Publication, NENG2500, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat® products. Dispose of all fluids according to local regulations and mandates. |
- Turn the battery disconnect switch to the off position.
- Drain the coolant. Refer to Operation and Maintenance Manual, "Cooling System Coolant (ELC) - Change" for the correct draining and filling procedures.
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Illustration 1 g06311880 - Remove covers (1) and (2).
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Illustration 2 g06311882 - Remove bolts (4) and (7).
- Loosen the clamps and remove hose (3).
- Loosen the clamps and remove hose (5).
- Loosen the clamps and remove hose (6).
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Illustration 3 g06311881 - Loosen clamp (9) and remove exhaust pipe (10).
- Loosen the clamps and remove hose (8).
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Illustration 4 g06311883 - Disconnect hoses (11). Remove bolt (16) and reposition hoses (11).
- Remove bolt (17). Loosen the clamps and disconnect hose (13).
- Disconnect hose assemblies (12). Remove bolts (14) and reposition bracket (15) along with hose assemblies (12).
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Illustration 5 g06311884 - Cut straps (19) and disconnect harness assembly (18).
- Remove bolts (22). Loosen nuts (21). Disconnect and reposition governor motor assembly (20).
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Illustration 6 g06311886 - Disconnect harness assemblies (23) and (24).
- Remove bolt (26) and reposition harness assemblies (18), (23), and (24).
- Disconnect hose assemblies (25).
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Illustration 7 g06311890 - Remove bolt (27) and disconnect cable (28).
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Illustration 8 g06311891 Some components are hidden for photographic purposes. Show/hide table
Illustration 9 g06311892 - Disconnect harness assemblies (29) and (32).
- Remove bolts (30) and reposition refrigerant compressor (31).
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Illustration 10 g06311887 - Remove nut (34) and disconnect cable (33).
- Remove nut (35) and disconnect cable (36).
- Remove nut (38) and disconnect cable (37).
- Remove bolt (40) and reposition harness assembly (39).
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Illustration 11 g06311893 - Remove nut (41) and disconnect cable (42).
- Remove nut (43) and disconnect cable (45).
- Disconnect harness assembly (44).
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Illustration 12 g06311904 - Attach Tooling (A) and a suitable lifting device to engine (46). The weight of engine (46) is approximately
570 kg (1257 lb) .Show/hide table
Illustration 13 g06311899 Show/hide table
Illustration 14 g06311903 Show/hide table
Illustration 15 g06311904 - Remove bolt (48), washer (49), washer (47), and front engine mounts (53).
- Remove bolt (50), washer (51), washer (52), and rear engine mounts (54).
- Repeat Step 29 and Step 30 for the other side of engine (46).
- Use Tooling (A) and a suitable lifting device to remove engine (46). Remove engine (46).
- Install engine (46) in the reverse order of removal.
- Tighten bolts (50) and (48) to a torque of
520 ± 70 N.m (384 ± 52 lb ft) . - Tighten nut (43) to a torque of
24 N.m (212 lb in) . - Tighten nut (41) to a torque of
22 N.m (195 lb in) . - Tighten nut (38) to a torque of
12 ± 1 N.m (106 ± 9 lb in) . - Tighten nut (35) to a torque of
4 ± 1 N.m (35 ± 9 lb in) . - Tighten nut (34) to a torque of
6 ± 1 N.m (53 ± 9 lb in) . - Tighten bolt (27) to a torque of
30 ± 7 N.m (266 ± 62 lb in) . - Tighten nuts (21) to a torque of
25 ± 3 N.m (221 ± 27 lb in) . - Tighten governor motor assembly (20) to a torque of
12 ± 3 N.m (106 ± 27 lb in) . - Tighten bolts (22) to a torque of
15 ± 3 N.m (133 ± 27 lb in) .
- Tighten bolts (50) and (48) to a torque of