TM-5-4210-249-13-P-1
TACTICAL FIRE FIGHTING TRUCK (TFF) MODEL M1142
TECHNICAL MANUAL; OPERATOR’S AND FIELD LEVEL MAINTENANCE MANUAL WITH REPAIR PARTS AND SPECIAL TOOLS LIST (INCLUDING DEPOT REPAIR PARTS AND SPECIAL TOOLS); PART 1 OF 4
TM-5-4210-249-13-P-1 - Page 685 of 1188
TM 5-4210-249-13&P-1
0102-1
DRAFT
0102
FIELD LEVEL MAINTENANCE
FOAM A TANK LEVEL INDICATOR GAUGE DOES NOT OPERATE PROPERLY
INITIAL SETUP:
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MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
FOAM A TANK LEVEL INDICATOR GAUGE DOES NOT OPERATE PROPERLY
NOTE
•
FOAM LEVEL indicators operate as follows:
“E” indicator will flash when the foam level in
tank is below 1/4 full.
Indicators “E” and “1/4” will illuminate when foam tank is 1/4 full.
Indicators “E”, “1/4”, and “1/2” will illuminate when foam tank is 1/2 full.
Indicators “E”,
“1/4”, “1/2”, and “3/4” will illuminate when foam tank is 3/4 full.
And indicators “E”, “1/4”,
“1/2”, “3/4”, and “FULL” will illuminate when foam tank is full.
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FOAM LEVEL gauge “E” indicator will illuminate or flash whenever power is applied to
gauge.
•
Foam level probe is designed and calibrated to detect class A foam.
Substituting class A
foam with other liquids will send a false signal to FOAM LEVEL gauge.
If it is suspected
that foam system has been contaminated or compromised with different brands and/or
types of foam, drain foam tank (WP 0031) and fill with class A foam.
Tools and Special Tools
Lead Set, Test (WP 0622, Item 21)
Tool Kit, General Mechanic’s: Automotive
(WP 0622, Item 27)
Personnel Required
MOS 63B Wheeled vehicle mechanic (2)
References
TM 9-2320-325-14&P
WP 0004
WP 0007
WP 0015
WP 0019
WP 0031
WP 0191
WP 0281
WP 0311
WP 0316
References (continued)
WP 0322
WP 0325
WP 0401
WP 0439
WP 0441
WP 0443
WP 0455
WP 0459
WP 0499
WP 0540
WP 0550
Equipment Conditions
Water pump engine OFF (WP 0022)
Engine OFF (TM 9-2320-347-10)
Parking brake applied (TM 9-2320-347-10)
Wheels chocked (TM 9-2320-347-10)
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