ARMY TM 5-5420-212-10-1
MARINE CORPS TM 08676A-10/1-1
Section I. LUBRICATION
8-1.
OPERATOR LUBRICATION
a.
Keep all lubricants in closed containers and store in a clean, dry place away from external heat. Do not allow
dust, dirt or other foreign material to mix with lubricants. Keep all lubrication equipment clean and ready for use.
b.
Keep all external parts not requiring lubrication clean of lubricants. Before lubricating components, wipe all
points to be lubricated free of dirt and grease. Clean all lubrication points after lubricating, to prevent accumulation of
foreign material.
c.
Apply a light coat of oil MIL-L-7870A (2, Appendix D) to components to be kept in storage.
d.
Store hydraulic jacks in an upright position.
e.
Lubricate components as specified in Table 8-1.
TABLE 8-1. Operator Lubrication Table
COMPONENT
LUBRICANT
INTERVAL
REMARKS
Shoot bolt
Grease, MIL-G10924
Every six months.
Apply light coat. Wipe off
(Bottom Panel)
excess with clean dry
cloth.
Pins, chains (Launching
Lubricating oil,
Every six months.
Apply light coat. Wipe off
Nose Cross Girder and
MIL-L-7870A
excess with clean dry
Adjustable Support)
cloth.
Hydraulic jack
Lubricating oil,
Before use.
Check oil level and fill.
(15T & 20T)
MIL-L-7870A
Check filler plug air
vents.
Check and clean ram
wiper seal.
Clean between quadrant
and jack body.
Every month.
Oil ram.
Leveling screws
Grease, MIL-G10924
Every six months.
Apply light coat. Wipe off
(Adjustable Support and
excess with clean dry
Davits)
cloth.
Section II. TROUBLESHOOTING
8-2.
OPERATOR TROUBLESHOOTING PROCEDURES
a.
Table 8-2 lists the common malfunctions which may be found during the operation or maintenance of MGB or
its components. The tests/inspections and corrective action should be performed in the order listed.
b.
This manual cannot list all malfunctions that may occur, nor all tests or inspections and corrective actions. If
a malfunction is not listed or it is not corrected by listed actions, notify the supervisor.
c.
Be sure that Preventive Maintenance Checks and Services has been applied before troubleshooting (para 2-
2).
d.
The Symptom Index is to assist the operator in locating the troubleshooting procedures in Table 8-2.
8-2
