966G Wheel Loader and 972G Wheel Loader Machine Systems Caterpillar

Installation Procedure

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Illustration 1	g00357388

1. Install the wiper motor assembly and support the wiper motor assembly inside the cab. Install the gasket and plate (11).

2. Install bolt (10) and retaining nut (12). The torque for retaining nut (12) is 19 ± 1 N·m (14 ± 1 lb ft).
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   Illustration 2	g00357387

3. Install cap (9).
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   Illustration 3	g00357386

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   NOTICE
   Push the wiper arm assembly straight onto the tapered shaft. If the wiper arm assembly is not installed straight when the shaft turns, the splines will be improperly formed and damage will occur.

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   Illustration 4	g00357575

4. Position wiper arm assembly (7) on the tapered shaft at 90 ± 1 degrees from the vertical centerline. See Illustration 4.

5. Install the lock washers and nut (8). The torque for nut (8) is 23 ± 1 N·m (17 ± 1 lb ft).

   Note: Wait for at least thirty minutes. Then, tighten nut (8) again to the above torque. Do not wait for more than four hours.

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   Illustration 5	g00357385

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   Illustration 6	g00284742

6. Close cover (5).

   Note: Do not use petroleum lubricants on the hose ends. Do not stretch the hose between connection points.

7. Connect hose (6) to the fitting. Make sure that you install the hose to dimension (A), as shown. Dimension (A) equals 1.0 ± 1.0 mm (0.04 ± 0.04 inch).
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   Illustration 7	g00357384

8. Connect electrical connector (4) to wiper motor assembly (3).
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   Illustration 8	g00357381

9. Install interior trim (1) in the rear of the cab. Install six screws (2).

End By:

1. Separate the steering frame lock. Refer to Disassembly and Assembly, "Steering Frame Lock - Separate and Connect".