Table 2-1. Preventive Maintenance Checks and Services for Model M992A1
Not Fully Mission
Check all hubs carefully. Hubs
may be hot. Failure to heed this
warning may result in injury to
a. Check for overheated wheel hubs.
a. Wheel hub is
After operation, touch all hubs
cautiously for noticeable temperature
difference between components.
An overheated hub indicates a mal-
function, inadequate lubrication, or
If shock absorber is operating
properly, it should be warmer than
hull area around it.
b. Check lower end of shock
b. Shock absorber
absorber cautiously, and check for
broken, missing, or
temperature difference between hull cold.
area and shock absorber. If over-
heating occurs, notify Unit maintenance.
c. Turn shock absorber from side
c. Shock absorber
to side. If shock absorber moves,
moves from side to
upper end is damaged. Notify Unit