Table 4-1. Unit Maintenance Preventive Maintenance Checks and Services - CONT.
Item to Be
If an air-operated grease gun does not purge
the fitting, use a hand-operated grease gun.
If the part does not purge, remove fitting and
clean, install fitting and grease again. If part
still does not purge, refer to maintenance
task for that component.
When using a grease gun, apply lubricant to
the fitting until clean lubricant squeezes out
of the part being lubricated.
If suspension pin does not accept grease,
relieve load on suspension pin by jacking
trailer up by frame as close to suspension pin
as possible. If suspension pin still fails to
accept grease, notify Direct Support
Maintenance to remove suspension pin and/
or bushing and replace if necessary.
Lubricate all suspension pins with GAA every
Fittings will not purge
3,000 miles (4,827 km) or semi-annually,
old lubricant out of
whichever comes first.