Section XXX. CRANE WINTERIZATION EQUIPMENT.
275. Heater Fuel Pump Screen Service
273. General
Service the crane heater fuel pump screens in the
The gas-fired liquid heater, mounted at the right rear
same manner as instructed for carrier heater fuel pump
of the crane-shovel cab under the machinery deck is
screens (para. 264).
used as a cold-weather engine starting aid, by use of an
electric powered circulating pump, heats and circulates
the engine coolant throughout the engine cooling system
276. Heater Fuel Pump and Filter
and the jacket on the oil pan. The gas-fired fresh air
heater, mounted on the right hand side of the crane-
a. Removal and Installation. Remove and install
shovel cab is used to heat the operator's cab, battery
the fuel pumps and filters as instructed on figure 169.
box, window defrosters and heat box below the
machinery deck. A fuel pump, lines, filter, and fittings
b. Cleaning and Inspection.
furnish fuel for the heater assemblies. A radiator shutter
(1) Clean all parts with an approved cleaning
is supplied and is also used as a cold-weather, engine
solvent and dry thoroughly.
starting aid.
(2) Inspect all mounting hardware for
damage. Replace damaged mounting
274. Heater Fuel Pump Filter Element Service
hardware as necessary.
Service the crane heater fuel pump filters in the
(3) Inspect the fuel pumps and filters for
same manner as instructed for carrier heater fuel pump
breaks, leaks and other damage. Replace
filter service (para. 263).
fuel pumps and filters as necessary.
(4) Inspect the fuel pumps for proper
operation.
Replace a defective fuel
pump.
Figure 169. Crane engine liquid heater assembly, fuel pumps and filters, removal and installation.
AGO 6819A
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