TM 9-2350-287-20-1
TABLE 2-1. PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) FOR M992A1
S=SEMIANNUAL
A=ANNUAL
ITEM
INTERVAL
ITEM TO BE
PROCEDURE
NOT FULLY MISSION
NO.
INSPECTED
CAPABLE IF
WARNING
6
S
HYDRAULIC
To avoid serious injury or burns,
FLUID FILTER
make sure all systems have been
shut down and hydraulic pressure
has dropped to zero psi on press-
ure gage. Make sure fluid is cool
before removing fitter.
a. Replace filter and gasket
(Appendix G).
b. Move left and right projectile rack
assemblies to front of vehicle (refer
to TM 9-2350-287-10).
7
S
BATTERY
WARNING
To avoid eye injury, eye protection
is required when working around
batteries. Lead-acid battery gas
can explode. Don’t smoke, have
open flames, or make sparks if
caps are off.
NOTE
Remove all jewelry, such as rings,
dog tags, bracelet. If jewelry
contacts battery terminal, a direct
short will result in instant heating
of tools, damage to equipment,
and injury to personnel.
a. Remove batteries from vehicle
(para 7-41).
b. Check and record specific gravity
b. Specific gravity is not
of each cell in all four batteries
within set standards.
(refer to TM 9-6140-200-14).
c. Check electrolyte level. If low,
c. One or more batteries
add distilled water (refer to TM
unserviceable; missing,
9-6140-200-14). Check battery
frayed, or broken cables.
cables for frays, splits, and security.
Clean tops of batteries and coat
terminals lightly with grease.
d. Clean battery compartment.
e. Install batteries (para 7-41).
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