filler blocks in the reverse of the numerical sequence as
(1) Install the oil pan as illustrated on figure
illustrated on figure 195.
b.
Installation.
(2) Install the crane engine (para. 297).
Section XVI. CRANE ENGINE OIL PUMP ASSEMBLY
351.
Crane Engine Oil Pump Assembly Removal
350.
General
and Disassembly
The crane engine oil pump assembly is internally
mounted on the underside of the crane engine center
a.
Removal.
bearing cap. The pump is the helical-gear type and is
(1) Remove the crane engine oil pan (para.
driven by a special gear on the camshaft. Equipped
with an oil screen which floats near the top of oil in the
(2) Remove the oil pump assembly as
crankcase, the pump takes the cleanest portion of the oil
instructed on figure 196.
rather than using the portion at the bottom of the oil pan
b.
Disassembly. Disassemble the oil pump
where any sediment might have collected. The oil
assembly in the numerical sequence as illustrated on
pump supplies oil pressure to the main bearings,
connecting rod bearings, camshaft bearings, and timing
gears. The oil pump forces oil through the oil filter and
352.
Crane Engine Oil Pump Assembly Cleaning,
the oil cooler. When the engine is hot, the pump
Inspection and Repair
delivers from 10 to 15 pounds per square inch pressure
at sustained governed speed.
a.
Cleaning. Clean all parts with an approved
cleaning solvent and dry thoroughly.
Figure 196. Crane engine oil pump, removal and installation.
AGO 6819A
217
