TM 5-3895-379-23-1
0058
TROUBLESHOOTING PROCEDURE
SYMPTOM
VIBRATION DOES NOT WORK IN FORWARD OR REVERSE TRAVELVIBRATION DOES NOT WORK IN
FORWARD OR REVERSE TRAVEL
MALFUNCTION
No Power To Rear Drum Solenoid.
CORRECTIVE ACTION
WARNING
Ensure that parking brake is engaged and propel control lever is in neutral position
before turning engine start switch to ON position. If roller accidentally starts or rolls,
injury or death to personnel may occur.
1.
Open left-side door assembly (TM 5-3895-379-10).
2.
Disconnect harness connector from rear drum solenoid connector.
3.
Turn battery disconnect switch to ON position (TM 5-3895-379-10).
4.
Turn engine start switch to ON position (TM 5-3895-379-10).
5.
Set drum select switch to rear position.
6.
Set vibration control switch to manual (MAN) position.
7.
Set multimeter to measure VDC.
8.
Touch positive (+) probe of multimeter to terminal 1 (wire C926-BU).
9.
Touch negative (-) probe of multimeter to good ground.
10.
If 24 to 28 VDC are not measured at wire terminal 1 (wire C926-BU), press vibration on/off switch
once and try again.
a.
If 24 to 28 VDC are measured at terminal 1 (wire C926-BU), perform the following:
(1)
Turn engine start switch to OFF position (TM 5-3895-379-10).
(2)
Turn battery disconnect switch to OFF position (TM 5-3895-379-10).
(3)
Connect harness connector to solenoid connector and notify supervisor.
b.
If 24 to 28 VDC are not measured at terminal 1 (wire C926-BU) and VIBE fuse is good,
perform the following:
(1)
Turn engine start switch to OFF position (TM 5-3895-379-10).
(2)
Connect harness connector to solenoid connector.
(3)
Close left-side door assembly (TM 5-3895-379-10) and go to next malfunction.
0058-2
03/15/2011Rel(1.8)root(tswp)wpno(T00064)
