Removal Procedure
Start By:
- Remove the alternator.
| 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, "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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Personal injury can result from hot coolant, steam and alkali. At operating temperature, engine coolant is hot and under pressure. The radiator and all lines to heaters or the engine contain hot coolant or steam. Any contact can cause severe burns. Remove cooling system pressure cap slowly to relieve pressure only when engine is stopped and cooling system pressure cap is cool enough to touch with your bare hand. Do not attempt to tighten hose connections when the coolant is hot, the hose can come off causing burns. Cooling System Coolant Additive contains alkali. Avoid contact with skin and eyes. |
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- Open the valve (13) in order to drain the heat exchanger.
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| Illustration 1 | g00677572 |
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| Illustration 2 | g00677647 |
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| Illustration 3 | g00677654 |
- Disconnect two tubes (3) .
- Loosen two clamps (5) .
- Slide the hose (2) up the tube (1) away from the heat exchanger.
- Loosen the clamp (7) .
- Disconnect the hose (10) .
- Loosen clamp (11) .
- Disconnect hose (12) .
- Disconnect hose (9). Plug all openings immediately.
- Remove two bolts and washers (8). Move the fuel filter element and the base out of the way.
- Remove the bolts and washers (6) .
- Remove two bolts and washers (14) .
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| Illustration 4 | g00677660 |
- Remove two spacers (15) .
- Move two hoses (17) out of the way.
- Loosen clamp (18) .
- Disconnect the hose (16) .
- Disconnect the electrical connector (19) .
- Remove four bolts and washers (20) .
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| Illustration 5 | g00677675 |
- Loosen clamp (21) and remove hose (22) .
- Remove regulator housing (23) .
- Attach lifting slings and a suitable lifting device to the heat exchanger (25) .
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| Illustration 6 | g00677687 |
- Loosen the clamp (26) that holds the hose (24) .
- Remove four bolts and washers (27) .
- Remove the heat exchanger (25) and the bracket as a unit. The weight of the heat exchanger and the bracket is 77 kg (170 lb).
- Remove two spacers (28) from the bracket (29) .
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| Illustration 7 | g00677696 |