Removal Procedure
| Required Tools | |||
|---|---|---|---|
| Tool | Part Number | Part Description | Qty |
| A | 6V-3145 | Load Leveling Beam | 1 |
Start By:
- Remove the engine enclosure.
- Remove the piston pump (hydraulic and steering).
- Remove the gear pump (transmission charging and scavenge).
- Remove the piston pump (fan drive).
| NOTICE |
|---|
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. |
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Personal injury can result from hydraulic oil pressure and hot oil. Hydraulic oil pressure can remain in the hydraulic system after the engine has been stopped. Serious injury can be caused if this pressure is not released before any service is done on the hydraulic system. Make sure all of the work tools have been lowered to the ground, and the oil is cool before removing any components or lines. Remove the oil filler cap only when the engine is stopped, and the filler cap is cool enough to touch with your bare hand. |
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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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Personal injury can result from contact with refrigerant. Contact with refrigerant can cause frost bite. Keep face and hands away to help prevent injury. Protective goggles must always be worn when refrigerant lines are opened, even if the gauges indicate the system is empty of refrigerant. Always use precaution when a fitting is removed. Slowly loosen the fitting. If the system is still under pressure, release it slowly in a well ventilated area. Personal injury or death can result from inhaling refrigerant through a lit cigarette. Inhaling air conditioner refrigerant gas through a lit cigarette or other smoking method or inhaling fumes released from a flame contacting air conditioner refrigerant gas, can cause bodily harm or death. Do not smoke when servicing air conditioners or wherever refrigerant gas may be present. Use a certified recovery and recycling cart to properly remove the refrigerant from the air conditioning system. |
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- Recover the air conditioner refrigerant from the air conditioner system. Refer to Service Manual, SENR5664, "Air Conditioning and Heating Systems with R-134a Refrigerant" for the correct charging and discharging procedures. Refer to Special Publication, NENG2500, "Air Conditioning Tools" for the tools.
- Drain the power train oil from the machine. Refer to Operation and Maintenance Manual, "Transmission and Differential Oil - Change" for the correct draining and filling procedures.
- Drain the hydraulic oil from the machine. Refer to Operation and Maintenance Manual, "Hydraulic System Oil - Change" for the correct draining and filling procedures.
- Drain the coolant from the cooling system. Refer to Operation and Maintenance Manual, "Cooling System Coolant (ELC) - Change" for the correct draining and filling procedure.
- Disconnect harness assemblies (2), (3), (4), and (5). Remove harness assembly (1). Disconnect hose assemblies (6) and (7) .
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| Illustration 1 | g01416925 |
- Remove nut (8) and (9). Reposition the harness assemblies. Disconnect harness assembly (10) .
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| Illustration 2 | g01416931 |
- Remove bolt (11). Remove mounting hardware from harness assembly (12). Disconnect harness assembly (12) and reposition harness assembly (12) .
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| Illustration 3 | g01417116 |
- Loosen clamp (13) and (14). Remove tube (15) .
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| Illustration 4 | g01417123 |
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| Illustration 5 | g01417124 |
- Disconnect cable assembly (16) .
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| Illustration 6 | g01417160 |
- Remove bolt (17) and tube assemblies (18) and (19). Loosen clamp (20) .
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| Illustration 7 | g01417164 |
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| Illustration 8 | g01417165 |
- Remove tube assembly (21) .
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| Illustration 9 | g01983407 |
- Disconnect heater hose (22) and heater hose (23) .
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| Illustration 10 | g01417196 |
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| Illustration 11 | g01417198 |
- Remove bolts (24) and elbow (25) .
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| Illustration 12 | g01417204 |
- Attach Tooling (A) and a suitable lifting device to engine (26). The weight of engine (26) is approximately 1088 kg (2400 lb).
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| Illustration 13 | g01417271 |
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| Illustration 14 | g01983473 |
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| Illustration 15 | g01417277 |
- Disconnect hose assembly (27).
- Remove bolts (28), bolts (29), and engine (26) .
Installation Procedure
- Install engine (26) in the reverse order of removal.
- Tighten clamp (20) to a torque of 11 ± 1 N·m (97 ± 9 lb in).
- Tighten clamps (14) to a torque of 12 ± 1 N·m (106 ± 9 lb in).
- Tighten clamps (13) to a torque of 12 ± 1 N·m (106 ± 9 lb in).
- Tighten bolt (11) to a torque of 0.5 N·m (4 lb in).
- Tighten nut (9) to a torque of 31 ± 4 N·m (23 ± 3 lb ft).
- Tighten nut (8) to a torque of 31 ± 4 N·m (23 ± 3 lb ft).
- Tighten harness assembly (1) to a torque of 18 ± 2 N·m (159 ± 18 lb in).