TM-5-4210-249-13-P-2

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 2 OF 4

TM-5-4210-249-13-P-2 - Page 171 of 1452

TM 5-4210-249-13&P-2

0132-1

DRAFT

0132

FIELD LEVEL MAINTENANCE

FOAM FLUSH INDICATOR DOES NOT ILLUMINATE (PUMP OPERATOR'S PANEL)

INITIAL SETUP:

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MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

FOAM FLUSH INDICATOR DOES NOT ILLUMINATE (PUMP OPERATOR'S PANEL)

NOTE

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Ensure system air pressure is at least 85 psi (586 kPa) when operating foam flush valve

during this procedure.

System air pressure is required to activate valves.

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Do not engage water pump engine during this procedure.

Valve operation can be checked

without water pump operation.

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Valve operations can be checked by observing valve shaft rotation.

Valves are open when

tabs or yellow paint tabs are aligned with direction of fluid flow.

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Step 1 will ensure that foam flush system is operating properly or if fault exists in lamp,

indicator, or wires leading to indicator.

Tools and Special Tools

Tool Kit, General Mechanic’s: Automotive

(WP 0622, Item 27)

References

TM 9-2320-325-14&P

WP 0004

WP 0007

WP 0019

WP 0101

References (continued)

WP 0325

WP 0326

WP 0327

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)