Table 4-1A. Portable Fire Pump (PE-250) - Hard Starting or Will Not Start. - continued

Custom Search

Table 4-1A. Portable Fire Pump (PE-250) - Hard Starting or Will Not Start. - continued

TM-55-1905-220-14-8 Landing Craft Utility LCU 1671-1679 NSN 1905-01-009-1056 Manual

Table 4-2A. Portable Fire Pump (PE-250) - Running Troubles

TM 55-1905-220-14-8

4-5. GENERAL (Continued).

Table 4-1A. Portable Fire Pump (PE-250) - Hard Starting or Will Not Start (Continued).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

5. Poor compression.

Step 1. Loose spark plug.

Torque tighten spark plug to 20 ft-lb (27.1Nm).

Step 2. Cylinder head loose.

Torque tighten cylinder head nuts to 16 ft-lb (21.7 Nm).

Step 3. Blown cylinder head gasket.

Replace gasket.

Step 4. Piston rings broken.

Replace engine.

Step 5. Piston and cylinder badly worn.

Replace engine.

4-20