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 453 of 1188
TM 5-4210-249-13&P-1
0077-1
DRAFT
0077
FIELD LEVEL MAINTENANCE
WATER PUMP ENGINE PRESSURE GOVERNOR CONTROL PANEL DOES NOT CHANGE ENGINE SPEED
INITIAL SETUP:
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MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
WATER PUMP ENGINE PRESSURE GOVERNOR CONTROL PANEL DOES NOT CHANGE ENGINE SPEED
Step 1.
Start water pump engine (WP 0022).
Check if THROTTLE READY and PUMP
ENGAGED LEDs illuminate on both personnel cab and pump operator’s panel pressure
governors (WP 0004).
If THROTTLE READY and PUMP ENGAGED LEDs do not illuminate
(WP 0004), troubleshoot Water Pump Engine Pressure Governor Control
Panel Throttle Ready and/or Pump Engage LEDs Do Not Illuminate
(WP 0147).
Step 2.
Operate personnel cab pressure governor in RPM mode (WP 0024).
Check if
personnel cab pressure governor changes water pump engine speed when operated
(WP 0024).
If personnel cab pressure governor does not operate in RPM mode
(WP 0024), go to Step 6.
Step 3.
Operate pump operator’s panel governor in RPM mode (WP 0024).
Check if pump
operator’s panel pressure governor changes water pump engine speed when operated
(WP 0024).
If pump operator’s panel governor operates in RPM mode (WP 0024), fault
corrected.
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 0022
WP 0024
WP 0147
References (continued)
WP 0226
WP 0309
WP 0311
WP 0325
WP 0332
WP 0386
WP 0455
WP 0459
WP 0539
Equipment Conditions
Water pump engine OFF (WP 0022)
Engine OFF (TM 9-2320-347-10)
Wheels chocked (TM 9-2320-347-10)
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