TM 5-3740-214-14
Table 5-3. Direct and General Support Maintenance Troubleshooting (Continued)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
ENGINE LACKS POWER (Continued)
(3)
Inspect the carburetor to manifold gasket. If it is cracked, broken, or damaged, replace it and go
to Step 1d.
d.
Disassemble the carburetor and make sure gasoline is getting to the carburetor.
(1)
Remove the bowl screw, gasket and bowl, and baffle gasket.
(2)
Remove the float pin, float needle and needle seat. If the float is dented or has pin holes,
replace it. If the float leaks or is worn, replace it.
(3)
Check the needle and seat for damage. If they are cut or scratched, replace them.
CAUTION
DO NOT use hard metal objects or tools to clean the inlet port.
Use something soft like a
toothpick and flush the port with alcohol or acetone.
(4)
Unplug the inlet port if necessary.
(5)
If the choke is worn or damaged, replace the whole carburetor and go to Step 1b.
(6)
Unplug the inlet port if necessary and go to Step 1e.
e.
Assemble the carburetor.
Figure 5-119. Carburetor Float Adjustment
(1)
Install the seat needle float and pin.
5-110
