PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS), INCLUDING
LUBRICATION INSTRUCTIONS Continued
ITEM TO BE
d. Replace vehicle compartment heater fuel filter
(WP 0436 00).
e. Check vehicle compartment heater fuel pump,
fuel lines, fuel filter, and connections for leaks.
Replace connections that continue to leak
(WP 0427 00).
f. Check for signs of exhaust leaks. Tighten
clamps (WP 0427 00).
g. Check vehicle compartment heater control box,
switches, and light bulb. Tighten or replace bad
switches and bulbs (WP 0431 00).