TM5-6115-585-12
NAVFAC P-8-262-12
TO-35C2-3-455-1
TM-05684C-12
Table 3-3. Troubleshooting
NOTE
Before you use twistable, be sure you have performed all applicable operating checks.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. ENGINE FAILS TO CRANK WHEN MASTER SWITCH IS HELD IN THE START POSITION.
Step 1. Check to see that dc control circuit breaker on Control Panel is depressed (paragraph
2-4).
Depress button to set circuit breaker. If breaker will not stay depressed, notify
higher level of maintenance.
Step 2. Inspect for loose, corroded, or broken battery cables or starter ground cable (paragraph
3-11).
[a] If loose, corroded, or broken battery cables and starter ground cable are
found, notify higher level maintenance.
[b] Use slave receptacle when extra cranking power is required.
Step 3. Check to see that electrolyte (liquid) level in each battery cell is above the top of the
plates (paragraph 3-11).
If electrolyte level is below top of plates, notify higher level maintenance.
2. ENGINE CRANKS NORMALLY BUT FAILS TO START.
Step 1. Check for empty fuel tank (paragraph 3-13).
If fuel tank is low or empty, fill.
Step 2. Check for sediment or water in both fuel filters and fuel strainer (paragraph 3-20).
Open drains on the bottom of fuel filters and fuel strainer, and drain sediment and
water. If necessary, drain fuel system and use fresh clean fuel supply.
Step 3. Inspect for loose fuel fittings or bad fuel lines (paragraph 3-20).
If fuel lines are loose, cracked or show signs of leaking, notify higher level main-
tenance.
Step 4. Check governor linkage for obstructions or binding (paragraph 3-21).
Remove any obstruction or notify higher level of maintenance.
3. ENGINE STARTS BUT DOES NOT RUN SMOOTHLY (MISFIRES, LOCKS, OR MAKES UNUSUAL
NOISES).
Step 1. Check steps 2 and 3 under ENGINE CRANKS NORMALLY BUT FAILS TO START above.
Perform corrective action as necessary.
Step 2. Check air cleaner assembly to see that inlet shutter assembly is in proper position for
either COLD WEATHER or NORMAL WEATHER operation (paragraph 3-18).
Push knob and slide assembly into proper position.
Step 3. Inspect exhaust muffler assembly for obstructions (paragraph 3-15).
Remove obstruction if possible or notify higher level maintenance.
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