C11, TM 9-2350-230-12
TABLE 8-17. PREVENTIVE-MAINTENANCE CHECKS AND SERVICES -
CONTINUED
QUARTERLY SCHEDULE
ORGANIZATIONAL MAINTENANCE
Sequence
Item to be inspected
No.
Procedure
Reference
ENGINE COMPARTMENT - Continued
24
Batteries
Clean batteries, battery supports, re-
tainers, and repaint with acid-resistant
paint if corroded. Replace batteries that
leak or have cracked cases. Remove caps
and clean vents. Test specific gravity with
a hydrometer. Tighten and grease termi-
nals and hold-downs carefully to avoid dam-
age to batteries. (TM 9-6140-200-15)
25
Fire Extinguisher
WARNING: Handle charged cylinders with
care.
WARNING: Cylinder of crew compartment
fire extinguisher becomes a dangerous pro-
jectile if accidentally discharged. Cap valve
before loosening cylinder mounting screws,
and leave cap on until cylinder is securely
mounted at installation.
a. Visually inspect all fire extinguisher
mounts, controls, and discharge lines and
nozzles. Repair or replace defective com-
ponents.
b. Remove and weigh each fire extinguish-
Fig 9-139 and
er cylinder, and compare with weights
10-42.2
stamped on cylinder. If weight loss exceeds
10% of contents (full weight minus empty
weight) return cylinder to direct support
maintenance for recharging.
NOTE. Weight of crew compartment
cylinder includes cap.
25.1
Power Pack
Every 6 months (every other "Q"
service), remove power pack from
thru 9-7
hull for inspection. Service power
pack components and accessories as
required. Clean interior of power
pack compartment.
8-77
