TM 5-3740-214-14
Table 5-3. Direct and General Support Maintenance Troubleshooting (Continued)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
ENGINE OPERATES ERRATICALLY (Continued)
a.
Remove the condenser from the engine.
b.
Set the meter to read high resistance.
c.
Connect the negative (-) meter lead to the side of the condenser and the positive (+) meter lead to the
wire terminal.
(1)
If the meter reads below infinity, the condenser is ok. Go to Step 7.
(2)
If the meter reads at infinity and remains there, replace the condenser. Go to Step 6e.
d.
Tap the condenser lightly. If the meter fluctuates, there are loose connections inside the condenser.
(1)
If there are no loose connections, go to Step 7.
(2)
If there are loose connections, replace the condenser and go to Step 6e.
e.
Start the engine.
(1)
If the engine starts, the problem is solved.
(2)
If the engine does not start, go to Step 7.
Step 7.
Check the engine speed. Use a hand-held tachometer.
a.
Start the engine according to operating instructions in Chapter 2, Section III.
NOTE
The belts should be connected to the pulleys while checking the engine speed.
b.
Check the engine operating speed with a hand-held tachometer. Refer to page 1-6 for the rpm ratings.
If the speed is not correct, go to Step 7c.
c.
Adjust the engine speed to the correct rpm.
(1)
Loosen the bushing nut slightly.
(2)
Move the throttle bracket to the left (counterclockwise) to increase the engine speed and to the
right (clockwise) to decrease the engine speed.
5-144