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

Installation Procedure

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Illustration 1	g00355954

1. To install wiper motor assembly (18) in the cab, position bracket assembly (27) in front of support assembly (26), as shown.
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   Illustration 2	g00355952

2. Support the wiper motor assembly inside the cab. Install retaining nuts (25). The torque for retaining nuts (25) is 19 ± 1 N·m (146 ± 1 lb ft).
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   Illustration 3	g00355931

3. Install two caps (24).
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   Illustration 4	g00355929

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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 5	g00357012

4. Position wiper arm assemblies (22) on the tapered shaft at 30 ± 1 degrees to the left of the vertical centerline. See Illustration 5.

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

   Note: Wait for at least thirty minutes. Then, tighten nuts (23) again to the above torque. Do not wait for more than four hours.

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   Illustration 6	g00355928

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   Illustration 7	g00284742

6. Close covers (21).

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

7. Connect hose (20) 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 8	g00355927

8. Connect electrical connector (19) to wiper motor assembly (18).
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   Illustration 9	g00355924

9. Connect harness assembly (15) to the instrument panel.
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   Illustration 10	g00355925

10. Install air duct (16) in the original position.
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    Illustration 11	g00355922

11. Install the washer and bolt (14) on the support assembly.
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    Illustration 12	g00355921

12. Install the washers and two nuts (13) on the air duct. Repeat this step on the opposite side of the air duct.
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    Illustration 13	g00355920

13. Install right cover assembly (12) and eight screws (11).
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    Illustration 14	g00355919

14. Install the nut and parking brake control knob (10).
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    Illustration 15	g00355918

15. Install mounting nut (9) on the engine start switch.
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    Illustration 16	g00355916

16. Install right bezel (8) and two screws (7).
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    Illustration 17	g00355914

17. Install louver assembly (6) and two screws (5).
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    Illustration 18	g00355913

18. Install center bezel (3) and two screws (4).
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    Illustration 19	g00355912

19. Install left cover assembly (2) and fourteen screws (1).

End By:

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