| Required Tools | |||
| Tool | Part Number | Part Description | Qty |
| A | 138-7573 | Link Bracket | 1 |
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Do not disconnect the air lines until the air pressure in the system is at zero. If hose is disconnected under pressure it can cause personal injury. |
| NOTICE |
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Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. |
| 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. |
- Remove the air pressure from the air tank.
- Drain the coolant from the cooling system. Refer to the Operation and Maintenance Manual.
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Illustration 1 g01023160 - Remove bolt (6). Disconnect fittings (3) and remove tube assembly (5).
- Disconnect hose assembly (2) from the air compressor.
- Disconnect hose assembly (1).
- Install Tooling (A) and a suitable lifting device to the air compressor. The weight of the air compressor is approximately
27 kg (60 lb) . - Disconnect hose assembly (9) from the air compressor.
- Remove bolts (7).
- Position a suitable lifting device. Apply tension to the lifting device and remove bolts (8). Remove air compressor (4) and the gasket from the engine.
| Required Tools | |||
| Tool | Part Number | Part Description | Qty |
| A | 138-7573 | Link Bracket | 1 |
| B | 9S-3263 | Thread Lock Compound | 1 |
| NOTICE |
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Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. |
- Inspect the condition of the gasket. Replace the gasket, if necessary.
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Illustration 2 g01023160 - Install Tooling (A). Use a suitable lifting device. The weight of the air compressor is approximately
27 kg (60 lb) . - Position air compressor (4) in the front housing. Ensure that the drive gear engages correctly with the gear in the front housing.
- Apply Tooling (B) to the threads of bolts (7). Install bolts (7). Tighten bolts (7) to a torque of
100 ± 20 N·m (75 ± 15 lb ft) . - Install bolts (8). Tighten bolts (8) to a torque of
55 ± 10 N·m (41 ± 7 lb ft) . Remove Tooling (A). - Connect hose assembly (9) to the air compressor.
- Install tube assembly (5) and connect fittings (3).
- Install bolt (6).
- Connect hose assembly (1).
- Connect hose assembly (2).
- Fill the cooling system with coolant to the correct level. Refer to the Operation and Maintenance Manual.