SECTION 3 - CHASSIS, PLATFORM & SCISSOR ARMS
3-72 – JLG Lift – 3121642
Engine Removal
ALLOW ENGINE AND COMPONENTS TO COOL DOWN BEFORE SERVICING.
REMOVAL:
1. Disable machine operation.
2. Remove exhaust system, air cleaner system and hydrau-
lic pumps (refer to Figure 3-72., Figure 3-73. and Figure
3-76.).
3. Disconnect, cap and label all hoses connected to engine
(4). Disconnect and label all electrical wiring connected
to engine.
4. Support engine with lifting device capable of lifting 500
lbs (227 kg) (refer to engine manual for proper lifting
information).
5. Remove the bolts (1), washers (2) and nuts (3) at the four
corners of the engine.
6. Slowly lift the engine up and out of the engine compart-
ment.
BE CAREFUL NOT TO DAMAGE THE RADIATOR FAN ON THE RADIATOR HOUS-
ING WHEN LIFTING THE ENGINE.
INSTALLATION:
1. Follow Removal Steps in reverse.
1. Bolt, 1/2"-13NC x 1 1/2"
2. Washer
3. Nut
4. Engine
5. Engine Tray
Figure 3-78. Engine Removal (GM Engine)
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