Table 3-3. Operator Troubleshooting-continued -706880113

TM 5-4210-233-14&P-1

Table 3-3. Operator Troubleshooting - Continued

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

FIRE PUMP

FIRE PUMP WILL NOT PRIME

Step 1. Check all discharge valves are closed.

Close all discharge valves.

Step 2. Check all suction caps fitted to suction ports not being used.

Replace all suction caps.

Step 3. Check fluid level in priming reservoir.

Refill priming reservoir.

Step 4. Check suction hose screen (if pumping from draft) is below water level.

Push screen well below surface.

Step 5. Check condition of suction hose and connection (if pumping from draft).

Tighten connections or replace hose as required. Refer to Unit Maintenance for repair.

Step 6. Check if TANK DISCHARGE valve open, if pumping from tank.

Open valve.

Step 7. Check water level in tank, if pumping from tank.

Refill tank as required.

FIRE PUMP WILL NOT ENGAGE

Step 1. Check correct switching sequence has been carried out.

Carry out correct switching sequence (see para 2-13 .).

Step 2. Check for MANUAL PUMP SHIFT control is in driving position.

Push control in for pumping position.

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