140M and 150 Motor Graders Engine Supplement Air Compressor - Remove and Install Caterpillar


Air Compressor - Remove and Install
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140M and 150 Motor Graders Engine Supplement [KENR6423]
BASIC ENGINE
AIR COMPRESSOR GP
140M and 150 Motor Graders Engine Supplement Air Compressor - Remove and Install
1.1. Removal Procedure
2.1. Installation Procedure

Removal Procedure


NOTICE

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.



NOTICE

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, "AVSpare Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on AVSpare products.

Dispose of all fluids according to local regulations and mandates.


------ WARNING! ------

Do not disconnect the air lines until the air pressure in the system is at zero. If hose is disconnected under pressure it can cause personal injury.


Note: Put identification marks on all hoses, on all hose assemblies, on all harness assemblies, and on all tube assemblies for installation purposes. Plug all hose assemblies and all tube assemblies. This helps to prevent fluid loss, and this helps to keep contaminants from entering the system.

  1. Drain the coolant from the cooling system into a suitable container for proper storage or for disposal. Refer to Operation and Maintenance Manual, "Capacities - Refill" for the capacity of the cooling system. Refer to Operation and Maintenance Manual, "Cooling System Coolant (DEAC) - Change" or Operation and Maintenance Manual, "Cooling System Extended Life Coolant - Change" for the proper draining procedure.

  2. Move the battery disconnect switch to the OFF position.


    Illustration 1g01411076

  3. Move ball valve (1) to the OPEN position in order to purge the air system.


    Illustration 2g01411094

  4. Disconnect rod (2). Remove bolts (3). Remove panel (4).


    Illustration 3g01411107

  5. Disconnect harness assembly (5). Disconnect harness assemblies (6). Disconnect harness assemblies (7).


    Illustration 4g01411220

  6. Remove bolts (8).


    Illustration 5g01411221

  7. Remove bolts (9). Remove circuit breaker panel (10).


    Illustration 6g01411238

  8. Disconnect hose assemblies (11). Disconnect tube assembly (12). Disconnect hose assemblies (13).


    Illustration 7g01411248

  9. Remove bolts (14). Remove air compressor (15).

Installation Procedure

Table 1
Required Tools 
Tool  Part Number  Part Description  Qty 
5P-3413  Pipe Sealant 


    Illustration 8g01411248

  1. Position air compressor (15). Install bolts (14) in order to secure air compressor (15).


    Illustration 9g01411238

  2. Apply Tooling (A) to the treads of hose assemblies (13). Connect hose assemblies (13). Apply Tooling (A) to the treads of tube assembly (12). Connect tube assembly (13). Apply Tooling (A) to the treads of hose assembly (11). Connect hose assembly (11).


    Illustration 10g01411221

  3. Install circuit breaker panel (10). Install bolts (9).


    Illustration 11g01411220

  4. Install bolts (8).


    Illustration 12g01411107

  5. Connect harness assemblies (7). Connect harness assemblies (6). Tighten the nut for harness assemblies (6) to a torque of 30 ± 7 N·m (22 ± 5 lb ft). Connect harness assemblies (5). Tighten the nut for harness assembly (5) to a torque of 50 ± 10 N·m (36 ± 7 lb ft).


    Illustration 13g01411094

  6. Install panel (4). Install bolts (3). Connect rod (2).


    Illustration 14g01411076

  7. Move ball valve (1) to the CLOSED position.

  8. Move the battery disconnect switch to the ON position.

  9. Fill the cooling system with coolant. Refer to Operation and Maintenance Manual, "Capacities - Refill" for the capacity of the cooling system. Refer to Operation and Maintenance Manual, "Cooling System Coolant (DEAC) - Change" or Operation and Maintenance Manual, "Cooling System Extended Life Coolant - Change" for the proper draining procedure.

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