 |
|||
|
|
|||
|
|
|||
| ||||||||||
|
|
  TM 5-3655-210-12
Section VI. TROUBLESHOOTING
4-16.
General
a. This section contains troubleshooting
information for locating and correcting most of the
operating troubles which may develop in the conversion,
storage and charging unit. Each malfunction for an
individual component, unit, or system is followed by a
list of tests or inspections which will help to determine
probable causes and corrective actions to be taken.
Perform the tests/inspections and corrective action in
the order listed.
b. This manual cannot list all malfunctions that
may occur, not all tests or inspections and corrective
actions. If a malfunction is nor listed or is not corrected
by listed corrective action, see your supervisor.
4-17. Organizational Maintenance Troubleshooting.
Refer to Table 4-5 for troubleshooting pertaining
to organizational maintenance.
Table 4-5. Troubleshooting
Malfunction
Test or Inspection
Corrective Action
Figure 4-6. Shut-off valve.
1.
GASOLINE ENGINE FAILS TO START (SER.
Malfunction
NOS. L1475T thru L-1478T).
Test or Inspection
Corrective Action
b. Adjust plug by bending the electrode up or
(located in the fuel filter assembly mounted on
the fuel pump) is open.
down as necessary until 0.030 in. feeler
Close the fuel valve.
gage fits the gap.
Step 2. Check for an empty fuel tank by adding fuel.
Fill the tank.
c.
Install new plug(s) (1, fig. 4-8) and secure
Step 3. See if the 208-volt power cable is not connected
with nuts (2).
Step 6. Inspect the magneto for cracks and
to the receptacle (1, fig. 4-7).
Connect the cable.
distortion. Try to start the engine and observe
Step 4. Check for loose and broken wiring.
any spark indicating a shorted wire. Remove
Tighten connections or replace defective wiring
cover from magneto and loosen the screw (1,
fig. 4-9); turn the rotor (2) so the points are fully
Step 5. Test and inspect spark plugs as follows: au Use
open and insert an 0.015 in. (.0381cm) feeler
gage (3)
a feeler gage and see if plugs have the
Replace magnet and wiring or adjust
proper gap. Plugs should indicate an 0.030 in.
points, refer to paragraph 4-40.
(.0762cm) gap.
b. Remove the four coupling nuts (2, fig. 4-8)
NOTE
and spark plugs (1). Visually inspect plugs for
carbon, corrosion and excessive dirt deposits.
If a new magneto is installed, it will have to be timed to
the engine (para 4-40).
c. Test spark plugs by holding the plug about
1/4 in. (0.64cm) away from cylinder head. A
2.
ENGINE MISFIRING
bright blue spark should jump from tip of plug to
the cylinder head.
Step 1. Inspect for broken wiring.
Clean, adjust or replace the spark plugs as
See malfunction 1.
follows:
a,
Clean
by
sand
blasting.
Step 2. Check for fouled or cracked spark plug.
See malfunction 1.
Step 3. Check for sticking or out of adjustment points.
See malfunction 1.
4-11
|
|
Privacy Statement - Press Release - Copyright Information. - Contact Us |
Click
here for thousands of PDF manuals