(2) Disassemble the water filter as illustrated In figure 4-47.
Figure 4-47. Carrier engine cooling system water filter, disassembly and reassembly.
g. Reassembly and Installation
(3) Discard cartridge.
(4) Polish plates. If less than half of metal plates
(1) Reassemble water filter as illustrated in figure
can be exposed by polishing, install new plates.
4-47.
d. Cleaning. Clean all parts and dry thoroughly.
(2) Install water filter as illustrated in figure 4-46.
e. Inspection. Inspect all parts for defects.
(3) Open the shut-off cock.
f. Replacement. Replace defective parts and
cartridge.
Section XV. MAINTENANCE OF CRANE ENGINE COOLING SYSTEM
the normal operating temperature is reached.
4-54. General
4-55. Hoses, Lines, and Fittings
The crane engine temperature is controlled by the
circulation of coolant through the engine water passages
a. Removal
by the water pump. A radiator is used to cool the
circulating coolant. A thermostat is used to bypass all or
(1) Drain the cooling system (para 3-21).
part
of
the
coolant
to
the
radiator
until
(2) Remove hoses, lines, and fittings as
illustrated in figure 4-48.
4-53
