Installation Procedure
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Table 1
| Required Tools |
| Tool |
Part Number |
Part Description |
Qty |
| A |
FT-2674 |
Vacuum Cap |
1 |
| B |
138-7574 |
Link Bracket |
4 |
Note: The hoses that are in the frame assembly will need repositioning during the installation of the cab.
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| 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, "Caterpillar Tools and Shop Products Guide" for tools and supplies suitable to collect and contain fluids on Caterpillar products. Dispose of all fluids according to local regulations and mandates. |
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Climbing equipment may be required to access this service point. Refer to the Operation and Maintenance Manual, "Mounting and Dismounting" topic for safety information. |
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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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| Illustration 1 | g01131199 |
- Use Tooling (B) and a suitable lifting device to position cab (50) on the machine. The weight of cab (50) is approximately 998 kg (2200 lb).
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| Illustration 2 | g01131222 |
- Install bolt (52). Repeat Step 2 on the opposite side.
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| Illustration 3 | g01131259 |
- Install nut (51). Repeat Step 3 on the opposite side.
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| Illustration 4 | g01131198 |
- Connect harness assemblies (49) .
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| Illustration 5 | g01131197 |
- Position bracket assembly (48) and install bolts (47) .
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| Illustration 6 | g01131122 |
- Position wiper arm assemblies (44) on the machine. Install nuts (43). Tighten nuts (43) to a torque of 35 ± 5 N·m (26 ± 4 lb ft). Connect hose (45) .
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| Illustration 7 | g01131118 |
- Feed hose assemblies (20) through the original opening in the underside of the cab. Install clamps (41) and bolts (42) .
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| Illustration 8 | g01131116 |
- Connect hose assemblies (40). Connect hoses (39) .
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| Illustration 9 | g01131115 |
- Open heater valves (38) .
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| Illustration 10 | g01131029 |
- Connect hose assembly (37) .
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| Illustration 11 | g01131028 |
- Install hose assemblies (36) .
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| Illustration 12 | g01131026 |
- Connect harness assemblies (35) .
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| Illustration 13 | g01131025 |
- Install two hose assemblies (33) on valve (34) .
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| Illustration 14 | g01131007 |
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| Illustration 15 | g01130960 |
- Connect harness assemblies (32) and (30). Connect hose assemblies (31) and (29) .
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| Illustration 16 | g01130959 |
- Connect hose assemblies (28) .
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| Illustration 17 | g01130958 |
- Connect cable assembly (26). Install nut (25). Connect hose assemblies (27) and (24) .
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| Illustration 18 | g01130957 |
- Install hose assemblies (23) .
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| Illustration 19 | g01130590 |
- Connect harness assemblies (22) .
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| Illustration 20 | g01130589 |
- Connect eight hose assemblies (21) .
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| Illustration 21 | g01130588 |
- Connect hose assemblies (20) .
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| Illustration 22 | g01130574 |
- Install cover (19). Install screws (18) .
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| Illustration 23 | g01130573 |
- Install cover (14). Connect harness assembly (16). Install knob (15). Install screw (17) .
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| Illustration 24 | g01130035 |
- Feed harness assemblies (9) through grommet (13) .
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| Illustration 25 | g01130034 |
- Install cover assemblies (12) .
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| Illustration 26 | g01130039 |
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| Illustration 27 | g01130033 |
- Connect cable assemblies (10) and install nut (11). Connect harness assemblies (9) .
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| Illustration 28 | g01129894 |
- Install covers (6) and (8). Connect harness assembly (7) .
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| Illustration 29 | g01129872 |
- Connect harness assembly (5) (not shown). Position cover assembly (3). Install screws (4) .
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| Illustration 30 | g01120466 |
- Remove the air supply from Tooling (A). Remove Tooling (A) from the hydraulic tank.
- Check the hydraulic system oil level. Refer to Operation and Maintenance Manual, "Hydraulic System Oil Level - Check".
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| Illustration 31 | g01129826 |
- Rotate the upper frame so that the upper frame is parallel to the carbody in order to install step assembly (1) .
- Use a suitable lifting device to position step assembly (1) on the machine. The weight of step assembly (1) is approximately 104 kg (230 lb).
- Install bolts (2) .
- Charge the air conditioner system. Refer to Service Manual, SENR5664, "Air Conditioning and Heating Systems with R-134a Refrigerant" for the procedure. Refer to Special Publication, NEDG5065, "Air Conditioning Tools" for the tools.
