Section V. INTERMEDIATE GENERAL SUPPORT MAINTENANCE PROCEDURES

Custom Search

Table 4-2 Intermediate General Support Troubleshooting

TM-55-1905-223-24-12 Fire Pump System for Landing Craft Utility (LCU) NSN 1905-01-154-1191 Manual

Repair Fire Pump Subsystem.

TM 55-1905-223-24-12

Table 4-2 Intermediate General Support Troubleshooting CONT

Malfunction

Test or Inspection

Corrective Action

AUXILIARY FIRE PUMP - CONT

Overload on driver.

STEP 1. Check for defective impeller.

Disassemble pump and replace impeller (para. 4-12).

STEP 2. Check for pump bearing failure.

Disassemble pump and replace bearings (para. 4-12).

Pump noisy or vibrates.

STEP 1. Check for obstruction in pump.

Disassemble pump and remove obstruction (para. 4-12).

STEP 2. Check for pump bearing failure.

Disassemble pump and replace bearings (para. 4-12).

Section V. INTERMEDIATE GENERAL SUPPORT MAINTENANCE PROCEDURES

4-10. General. This section provides general support maintenance for the

electric motor driven centrifugal pumps, auxiliary fire pump, and flexible shaft

coupling assembly. Maintenance at this level consists of the repair of these

assemblies. Chapter 1, Section III. explains the principles of operation of this

equipment.

4-5