TM 3-4230-218-30&P
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
8.
ENGINE RUNS ROUGHLY OR STOPS.
See MALFUNCTION 5 if this condition exists.
9.
ENGINE WILL NOT START.
See MALFUNCTION 5 if this condition exists.
10.
LOW ENGINE POWER OR SPEED.
Step 1.
Refer to MALFUNCTION 5 if this condition exists.
Step 2.
Check for low engine compression. Remove engine spark plug.
Insert engine compression meter into spark plug hole. Pull
engine recoil starter handling slowly and note compression
reading on tester dial.
If engine compression is less than 101
pounds, replace engine piston and rings (refer to page 2-35).
If compression is acceptable, proceed to step 3.
Step 3.
Check for carbon build-up in engine exhaust port.
a.
Remove muffler (refer to page 2-22), and inspect for carbon
build-up in exhaust port.
b.
Remove carbon build-up from engine exhaust port using a wood
or plastic scraper.
c.
Install muffler (refer to page 2-24).
11.
LOW WATER PRESSURE.
NOTE
If water is leaking from seal drain holes, seals have been damaged and pump
must be replaced (refer to page 2-13).
Step 1.
Check for leakage at water pump shaft drains.
a.
Verify belts are installed and proper tension exists.
b.
Remove inlet cover and verify pump is not leaking from seal
drain holes.
c.
Verify all pump cover bolts are installed and tightened snug.
(DO NOT TORQUE).
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