Start By:
- Connect the steering frame lock. Refer to Disassembly and Assembly, "Steering Frame Lock - Separate and Connect" for the machine that is being serviced.
- Release the hydraulic system pressure. Refer to Disassembly and Assembly, "System Pressure - Release" for the machine that is being serviced.
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Draining the hydraulic tank causes the brake pump to lose prime. Failure to reprime the brake pump may result in system damage. All pump lines and pump housing must be filled with oil prior to start-up. |
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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. |
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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 attachments have been lowered, 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. |
Note: Put identification marks on the hose assemblies for installation purposes. Plug the hose assemblies. This will help to prevent fluid loss and this will help to keep contaminants from entering the system.
- Drain the hydraulic tank into a suitable container for storage or disposal. The capacity of the hydraulic tank is
380 L (100 US gal) . - Drain the cooling system into a suitable container for storage or disposal. The capacity of the hydraulic tank is
135 L (35 US gal) .Show/hide table
Illustration 1 g00855038 - Remove six bolts (1) and grill assembly (2). Repeat this procedure for the opposite side.
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Illustration 2 g00849944 - Remove bolts (3) and left side baffle (4).
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Illustration 3 g00849947 Show/hide table
Illustration 4 g00849946 - Remove bolts (5) and right side baffle (6).
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Illustration 5 g00865030 - Disconnect two hose assemblies (7) and (8). Remove thermostatic valve (9).
- Install thermostatic valve (9). Connect two hose assemblies (7) and (8).
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Illustration 7 g00849946 Show/hide table
Illustration 8 g00849947 - Install right baffle (6) and install bolts (5).
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Illustration 9 g00849944 - Install left baffle (4) and bolts (3).
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Illustration 10 g00855038 - Install grill assembly (2) and six bolts (1). Repeat this procedure for the opposite side.
- Fill the hydraulic tank to the proper level. Refer to the appropriate Operation and Maintenance Manual for the machine that is being serviced.
- Fill the cooling system to the proper level. Refer to the appropriate Operation and Maintenance Manual for the machine that is being serviced.
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| Illustration 6 | g00865030 |
End By:
- Separate the steering frame lock. Refer to Disassembly and Assembly, "Steering Frame Lock - Separate and Connect" for the machine that is being serviced.