TM-5-5420-202-10
LAUNCHER, M48A5 TANK CHASSIS
OPERATOR'S MANUAL
DECEMBER 2009
TM-5-5420-202-10 - Page 183 of 535
TM 5-5420-202-10
0027
OPERATOR MAINTENANCE
OPERATION UNDER UNUSUAL CONDITIONS - HOT, HUMID, OR SALTY AREAS
INITIAL SETUP:
Materials/Parts
Lubricating Oil, General Purpose (LO 5-5420-202-13)
References
DA Form 2404
LO 5-5420-202-13
TM 9-6140-200-14
References (cont.)
WP 0048
GENERAL
In addition to performing normal Preventive Maintenance Checks and Services (PMCS) (WP 0048), clean and
lubricate equipment more often to compensate for extremes of temperature, humidity, and terrain conditions
that are present or expected. Cleaned and lubricated equipment ensures proper operation and guards against
excessive wear and failure.
When equipment constantly breaks down due to operating under extreme conditions, report failure(s) using
DA Form 2404 (Equipment Inspection and Maintenance Worksheet).
OPERATING IN HOT, HUMID, OR SALTY AREAS
1. Operating vehicle for long periods at high speeds, on long hard pulls in L (Low) or R (Reverse), on steep
grades, or in soft terrain, may cause engine to overheat. Avoid using L and R for long periods whenever
possible. Monitor ENGINE and TRANSMISSION TEMP F indicators. If either indicator indicates in red area,
stop vehicle and run engine at 1,000 to 1,200 RPM until indicator is in green area. Resume operation. If
temperature does not return to normal or if overheating recurs, shut down engine and notify your supervisior.
2. Frequently check for moisture, corrosion, and fungus growth. Dry all exposed unpainted surfaces and lubricate
as prescribed in LO 5-5420-202-13.
3. Shield sighting equipment from direct rays of the sun as much as possible.
4. Weapons require cleaning and lubricating more often when not in use. Cover exposed metal surfaces with f lm
of general purpose lubricating oil, as prescribed in LO 5-5420-202-13, and keep covers in place.
5. Refer to TM 9-6140-200-14 for battery care and maintenance.
END OF TASK
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