Centinel System – Repair Manual – 012-014   Air Compressor

WARNING  Coolant is toxic. Keep away from children and pets. If not reused, dispose of in accordance with local environmental regulations.

WARNING  Wear safety glasses or a face shield, as well as protective clothing, to prevent personal injury when using a steam cleaner or high-pressure water.

WARNING  Wear appropriate eye and face protection when using compressed air. Flying debris and dirt can cause personal injury.

• Drain the engine coolant. Refer to Procedure 008-018 in Section 8.
• Use steam to clean the air compressor. Dry with compressed air.
• Remove the coolant lines from the air compressor. Refer to Procedure 012-004 in Section 12.

Remove the air connections from the air compressor.

Remove or disconnect the air governor. Refer to the OEM service manual.

Remove the air compressor support bracket and capscrews.

Remove the four mounting capscrews and the air compressor.

Discard the gasket.

Inspect the compressor housing for cracks or other damage.

Inspect the compressor drive gear for cracks or other damage.

Make sure the gasket surfaces of the front gear housing and the air compressor are clean and not damaged.

Pin the engine crankshaft. Refer to Procedure 001-088 in Section 1.

Rotate the gear on the air compressor until the mark on the gear is in line with the V-notch on the air compressor housing, located at the three o’clock position as viewed from the front.

Loctite™, Part Number 3824040 or equivalent, must be used on the capscrews that mount the air compressor to the gear housing. This seals the threads in the housing.

To evenly distribute the sealant as the capscrew is torqued, a line of sealant should be placed along the length of the capscrew.

Install the air compressor and the four capscrews onto the front gear housing.

Tighten the capscrews.

Tighten the capscrews again.

Install the air compressor mounting brace and four capscrews on the block beneath the air compressor. Start threading all four capscrews.

Tighten the capscrews on the cylinder block and air compressor.

Install the air discharge line.

Install the air inlet line.

Tighten the hose clamp.

Install the air governor (if removed). Connect the air governor pressure signal line. Refer to the OEM service manual.

• Install the air compressor coolant lines. Refer to Procedure 012-004 in Section 12.
• Fill the engine cooling system. Refer to Procedure 008-018 in Section 8.
• Operate the engine and check for leaks.