B. Cylinder head nut tightening sequence
Figure 15. -Continued.
oil pump forces oil through the oil filter and the oil
100.
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
Disassembly
defective parts.
a. Removal.
101. Crane Engine Oil Pump Assembly Reassembly
(1) Remove the crane engine oil pan (par.
and Installation
a. Reassembly. Reassemble the oil pump in the
(2) Remove the oil pump assembly as
reverse of the numerical sequence as illustrated on
instructed on figure 20.
b. Disassembly.
Disassemble the oil pump
b. Installation.
assembly in the numerical sequence as illustrated on
(1) Install the oil pump assembly as
illustrated on figure 20.
(2) Install the crane engine oil pan (par. 97).
Section XIV. CRANE ENGINE PISTON AND CONNECTING ROD ASSEMBLIES
rods have the insert-type bearing shells. The bronze
102. General
piston pin bushing is pressed in the boss of the
The pistons used on the crane engine are equipped
connecting rod.
with four rings each: one chrome ring at top of piston,
two compression rings, and one oil ring. The connecting
TAGO 5030A
53
