Section IV. OPERATOR'S MAINTENANCE
7-10. Air Compressor Inspection and Service
lnspection. Refer to figure 7-4 and inspect the air
Instructions in this section are published for the
information and guidance of the operator in main-
intake and discharge hoses, oil line, and cooling water lines
taining the carrier of the Model M320T Truck Crane
for leaks, kinks, worn areas, or pinches. Inspect the air
compressor mounting bolts to be sure they are tight. Inspect
the drive belts to be sure they are properly alined and the
7-7. Engine inspection
belt tension is correct.
Visually inspect the engine and engine accessories
for fluid leaks or any other physical damage which
b. Service. Since the air compressor air intake is
could make it unsafe to start or run the engine.
connected to the carrier air cleaner, and the compressor is
lubricated and cooled by carrier engine oil and water, the only
7-8. Radiator Service
servicing necessary is keeping the air cleaner clean and the
Figure 7-2 illustrates the radiator
in the carrier
fluid levels in the engine and radiator properly maintained.
the machine. The carrier radiator is serviced in the
same manner as the upper radiator. Refer to
7-11. Hydraulic Pump Reservoir Service
Turn radiator cap slowly and
Refer to figure 7-5 and service the hydraulic pump reservoir.
allow pressure to escape before removing it.
7-12. Fuel Filer Service
a. General. There are two fuel filters on the car- ier (if
this machine. One is located on the left side of the engine
and is of the sediment bowl type. The either is an integral
part of the carrier fuel pump which is located on the right side
of the carrier in front of the fuel tank.
b. Sediment Bowl Service. Figure 7-6 illustrates the
location of the sediment bowl. The carrier sediment bowl is
serviced in the same manner as the upper sediment bowl.
Refer to figure 7-6 anti service the carrier sediment bowl.
c. Fuel Pump Filter Service. The fuel pump filter
should be serviced when the sediment bowl is serviced.
Refer to figure 7-7 and service the fuel pump filter.
7-13. Battery Inspection and Service
Figure 7-8 illustrates the batteries
in the carrier
machine. The inspection and service of the carrier batteries
is identical to that of the upper batteries. Refer to
7-14. Air Cleaner Service
Figure 7-9 illustrates the location
of the carrier air cleaner.
Figure 7-2. Radiator service
The carrier air cleaner is serviced in the same manner as the
upper air cleaner. Refer
7-9. Fan inspection
Refer to figure 7-3 and inspect the fan for bent or
otherwise damaged blades, loose mounting bolts,
misalignment, or an unbalanced