994H Wheel Loader Engine Supplement Caterpillar

Installation Procedure

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Illustration 1	g01398876

1. Install refrigerant compressor (19). Install bolts (18) .

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Illustration 2	g01398875

2. Install bolt (17).

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3. Apply Tooling (A) to the belt tightener. Release tension on the belt tightener. Install belts. Refer to Operation and Maintenance Manual, " Belt - Inspect/Adjust/Replace".

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Illustration 4	g01398874

4. Install guard (15). Install bolts (16).

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Illustration 5	g01398873

5. Install bolts (14) .

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6. Install clips (13) .

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Illustration 7	g02588920

7. Install guard (12). Install bolts (11) .

8. Connect harness assemblies (10). Install cable straps (9).

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Illustration 8	g01397712

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Illustration 9	g01397708

9. Use two people in order to position support (5). The weight of support (5) is approximately 31 kg (70 lb). Install bolts (8) and bolts (7) .

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Illustration 10	g02595457

10. Install clips (6) to support (5).

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Illustration 11	g02574256

11. Connect harness assembly (4). Install clip (3).

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Illustration 12	g01397700

12. Install panel (2) .

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Illustration 13	g01397699

13. Install grill assemblies (1) to both sides.

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Personal injury can result from contact with refrigerant. Contact with refrigerant can cause frost bite. Keep face and hands away to help prevent injury. Protective goggles must always be worn when refrigerant lines are opened, even if the gauges indicate the system is empty of refrigerant. Always use precaution when a fitting is removed. Slowly loosen the fitting. If the system is still under pressure, release it slowly in a well ventilated area. Personal injury or death can result from inhaling refrigerant through a lit cigarette. Inhaling air conditioner refrigerant gas through a lit cigarette or other smoking method or inhaling fumes released from a flame contacting air conditioner refrigerant gas, can cause bodily harm or death. Do not smoke when servicing air conditioners or wherever refrigerant gas may be present. Use a certified recovery and recycling cart to properly remove the refrigerant from the air conditioning system.

14. Charge the air conditioner system. Refer to Service Manual, SENR5664, "Air Conditioning and Heating Systems with R-134a Refrigerant" for the procedure. Refer to Special Publication, NEDG5065, "Air Conditioning Tools" for the tools.