TM 5-3895-379-23-1
0055
TROUBLESHOOTING PROCEDURE
SYMPTOM
VIBRATION DOES NOT OCCUR WHILE AMPLITUDE SELECT SWITCH IS SET TO HIGH PITCH
MALFUNCTION
No Power To High Amplitude Solenoid.
CORRECTIVE ACTION
WARNING
Remove all jewelry such as rings, dog tags and bracelets. If jewelry contacts
electrical connection a direct short may occur resulting in injury or death, and
damage to equipment.
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.
Loosen screw and disconnect connector from high amplitude solenoid.
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 vibration control switch to manual (MAN) position and amplitude select switch to high pitch
(push forward).
6.
Set multimeter to measure VDC.
7.
Touch positive (+) probe of multimeter to terminal 1 (wire C925-GN).
8.
Touch negative (-) probe of multimeter to good ground.
9.
If 24 to 28 VDC are not measured at terminal 1 (wire C925-GN), press vibration on/off switch once
and try again.
10.
Turn engine start switch to OFF position (TM 5-3895-379-10).
11.
Turn battery disconnect switch to OFF position (TM 5-3895-379-10).
a.
If 24 to 28 VDC are measured at terminal 1 (wire C925-GN), connect connector to high
amplitude solenoid and tighten screw. Notify supervisor.
b.
If 24 to 28 VDC are not measured at terminal 1 (wire C925-GN) and VIBE fuse is good,
perform the following:
(1)
Connect connector to high amplitude solenoid and tighten screw.
(2)
Close left-side door assembly (TM 5-3895-379-10) and go to next malfunction.
0055-2
03/15/2011Rel(1.8)root(tswp)wpno(T00061)
