REMOVAL - TM-55-4920-426-13-P0297

TM 55-4920-426-13&P

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ENGINE REPLACE Continued

1. REMOVAL

Remove access panels.

Remove lower instrument panel.

Disconnect the four bolts from the H.P. Pump and housing. Provide a means to support pump.

Disconnect fuel line from fuel filter strainer.

Disconnect the direct reading oil pressure gage line from the fitting on the engine.

Disconnect the quick disconnect electrical lead from magneto.

Remove clamp on oil cooler housing which secures alternator wiring harness. Disconnect quick

disconnect wiring harness.

Release clamps on flex exhaust pipe. Slide pipe over rigid exhaust pipe.

Remove inlet tubing from boost pump. Remove outlet tubing between oil cooler and low pressure

relief valve. Remove two bolts which secure low pressure relief valve to oil cooler housing.

Disconnect power wire from starter. Disconnect ground wire from starter support plate.

Disconnect choke, throttle cables and clamps.

Remove air filter housing assy.

Remove the four bolts which attach the engine mount assembly to the test stand frame.

Attach a suitable lifting device (chain, strap or equivalent) to the engine and oil cooler housing. Lift

engine approximately two inches off the rubber mounts. Move the engine toward the front of the test

stand approximately 12 inches. Lift the engine and oil cooler straight up and out of the test stand.

NOTE

If the engine is to be replaced with a serviceable unit, remove the

following components:

V-Belt.

H.P. pump mounting base.

H.P. pump coupling from engine output shaft.

Four engine mount bolts.

Oil cooler fan and pulley from engine shaft.

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