PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS), INCLUDING
LUBRICATION INSTRUCTIONS Continued
ITEM TO BE
l. Check electrical leads and connectors at heater,
at control box and at fuel pump. Tape frayed
leads. Replace damaged connectors
(WP 0382 00).
Heater fails to
m. Check heater control box, switches and light
bulbs. Tighten or replace bad switches and bulbs
(WP 0702 00).
n. Start, run and stop heater (see your -10). During
start cycle, verify that switches and lights work
o. During operation, check for unusual noises.
Check for increase in coolant temperature.
p. When stopping heater, check for correct purge
cycle. Verify that indicator lights properly. If
heater does not operate as specified above,
perform troubleshooting (WP 0089 00).