B. Cylinder head nut tightening sequence
Figure 15. -Continued.
oil pump forces oil through the oil filter and the oil
Crane Engine Oil Pump Assembly Cleaning,
cooler. When the engine is hot, the pump delivers from
Inspection, and Repair
10 to 15 pounds per square inch pressure at idle speed,
a. Cleaning. Clean all parts with an approved
and from 30 to 50 pounds per square inch pressure at
cleaning solvent and dry thoroughly.
sustained governed speed.
b. Inspection and Repair. Inspect all parts for
99. Crane Engine Oil Pump Assembly Removal and
excessive wear or damage. Replace or repair all
101. Crane Engine Oil Pump Assembly Reassembly
(1) Remove the crane engine oil pan (par.
a. Reassembly. Reassemble the oil pump in the
(2) Remove the oil pump assembly as
reverse of the numerical sequence as illustrated on
Disassemble the oil pump
assembly in the numerical sequence as illustrated on
(1) Install the oil pump assembly as
Section XIV. CRANE ENGINE PISTON AND CONNECTING ROD ASSEMBLIES
rods have the insert-type bearing shells. The bronze
piston pin bushing is pressed in the boss of the
The pistons used on the crane engine are equipped
with four rings each: one chrome ring at top of piston,
two compression rings, and one oil ring. The connecting