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 Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Caterpillar products. Dispose of all fluids according to local regulations and mandates. |
- Drain the coolant from the engine into a suitable container for storage or disposal.
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Illustration 1 g00494745 - Loosen hose clamps (1). Remove three bolts (3).
- Remove water temperature regulator housing (2) and manifold (4) for the water temperature regulator as a unit.
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Illustration 2 g00494763 - Remove gasket (5) from manifold (4) for the water temperature regulator.
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Illustration 3 g00494766 - Remove four bolts (6). Separate water temperature regulator housing (2) from the manifold for the water temperature regulator.
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Illustration 4 g00494803 - Remove gasket (7) from manifold (4) for the water temperature regulator.
- Remove two water temperature regulators (8) from water temperature regulator housing (2).
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Illustration 5 g00494820 - Remove two lip seals (9) from water temperature regulator housing (2).
Required Tools | |||
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Tool | Part Number | Part Description | Qty |
A | 1P-0510 | Driver Group | 1 |
NOTICE |
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Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. |
- Install two lip type seals (9) in the water temperature regulator housing with Tool (A). Install the lip type seals until the seals are in the seat of the counterbore of the water temperature regulator housing.
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Illustration 7 g00494803 Show/hide tableNOTICE The water temperature regulators must be installed in the water temperature regulator housing, as shown, or the engine will overheat.
- Install two water temperature regulators (8) in water temperature regulator housing (2).
- Put gasket (7) in position between water temperature regulator housing (2) and manifold (4) for the water temperature regulator.
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Illustration 8 g00494766 - Put water temperature regulator housing (2) in position on manifold (4) for the water temperature regulator. Install four bolts 6 and tighten the bolts to a torque of
50 ± 9 N·m (37 ± 7 lb ft) .Show/hide tableIllustration 9 g00494763 - Install gasket (5) on manifold (4) for the water temperature regulator.
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Illustration 10 g00494745 - Put water temperature regulator housing (2) and manifold (4) for the water temperature regulator in position on the engine.
- Install three bolts (3). Tighten hose clamps (1).
- Fill the cooling system to the correct coolant level. Refer to Operation and Maintenance Manual, "Refill Capacities"in the Maintenance Section.
Illustration 6 | g00494820 |