TM 5-3610-257-14
Table 6-4. ORGANIZATIONAL TROUBLESHOOTING - Cont
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1.
ROLLERS DO NOT OPERATE BUT AIR PUMPS DO - Cont
(b)
Connect multimeter leads to the two terminals on the MOTOR SPEED control. Turn MOTOR SPEED
control fully right. Meter should read 0. Slowly turn MOTOR SPEED control to the full left position. Meter
reading should increase accordingly.
(c)
If readings are correct, proceed to step 7.
(d)
Replace MOTOR SPEED control (paragraph 6-16.1).
Step 7.
Check that wire end connector to POWER switch from bottom of MOTOR SPEED control is connected.
Connect wire end connector.
2.
ROLLERS OPERATE BUT AIR PUMPS DO NOT.
WARNING
Death or serious injury may occur from electrical shock unless power cord is unplugged before
servicing.
Step 1.
Check that two air pump wire connectors in the plenum are connected properly.
(a)
If wires are properly connected, proceed to step 2.
(b)
Reconnect air pump wire connectors.
Step 2.
Check that wire connector from POWER switch to the two air pump wires is properly connected.
(a)
If connection is properly made, proceed to step 3.
(b)
Reconnect wire connector.
Step 3.
Check for loose wire from POWER switch to air pump connector.
Reattach wires.
6-26
