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TM5-4210-229-14&P
CHAPTER 3
OPERATOR MAINTENANCE INSTRUCTIONS
Section I
OPERATOR TROUBLESHOOTING PROCEDURES
Section II
MAINTENANCE OF TIRE RIM ASSEMBLY
Section I. OPERATOR TROUBLESHOOTING PROCEDURES
Para.
Para.
General ................................................................... 3-1
Symptom Index .......................................................3-2
3-1. GENERAL.
a. The table in this section lists the common malfunctions which may occur during the operation or maintenance
of the Twin Agent 4x4 Firefighting Truck or components. The troubleshooting should be performed in the order
given in each malfunction.
b. This manual cannot list all malfunctions that may occur nor all tests, inspections, or corrective actions. If a
malfunction is not listed or it is not corrected by the listed corrective actions, notify your supervisor.
3-2. SYMPTOM INDEX.
SYMPTOM
Page
TWIN AGENT FIREFIGHTING SYSTEM
Pressure Gauges Show Loss of Pressure......................................................................................................3-2
ENGINE COOLING SYSTEM
Engine Overheating .....................................................................................................................................3-2
ENGINE FUEL SYSTEM
Engine Will Not Start ...................................................................................................................................3-2
Uneven running And /Or Frequent Stalling....................................................................................................3-2
ENGINE AND ACCESSORIES
No Battery Voltage .......................................................................................................................................3-2
CAB ASSEMBLY, LIGHTS, SWITCHES, GAUGES, CONTROLS AND INDICATORS
Windshield Washer Doesn't Work................................................................................................................. 3-2
TRANSMISSION ASSEMBLY
No Drive In Any Gear ..................................................................................................................................3-2
AIR BRAKE SYSTEM
Brakes "Grab"; Truck Pulls To One Side On Brake Application . ...................................................................3-3
Erratic, Uneven Braking...............................................................................................................................3-3
STEERING ASSEMBLY
Wheel Steering Hard In One Or Both Directions ..........................................................................................3-3
Erratic Steering.............................................................................................................................................3-3
3-1
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