TM 5-3895-379-23
TROUBLESHOOTING PROCEDURES - CONTINUED
0006 00
Table 6. Vibratory System Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Vibration Does Not Work In Forward or 6. Check for power to vibration 1. If 24 to 28 Vdc are not measured
3.
control switch. Touch positive (+)
at terminal 2 (wire C932-YL),
Reverse Travel - Continued.
probe of multimeter to terminal 2
press vibration on/off switch once
(wire C932-YL) and negative (-)
and try again. If 24 to 28 Vdc are
probe of multimeter to good
still not measured at terminal 2
ground.
(wire 932-YL), turn engine start
switch and battery disconnect
switch to OFF position (TM 5-
3895-379-10). Repair or replace
wire C932-YL and connectors
2. If 24 to 28 Vdc are measured at
terminal 2 (wire C932-YL), go to
Step 7.
7. Check for power at vibration 1. If 24 to 28 Vdc are not measured
control switch. Set vibration
at terminals 1 and 3, turn engine
control switch to AUTO position.
start switch and battery disconnect
Touch positive (+) probe of
switch to OFF position (TM 5-
multimeter to terminal 1 (wire
3895-379-10). Replace amplitude
B934-BU) and negative (-) probe
select switch (WP 0073 00).
of multimeter to good ground.
Measure Vdc. Set vibration 2. If 24 to 28 Vdc are measured at
terminals 1 and 3, go to Step 8.
control switch to manual (MAN)
position. Touch positive (+)
probe of multimeter to terminal 3
(wire C933-GN) and negative (-)
probe of multimeter to good
ground.
PANEL
ASSEMBLY
SCREW
WIRE C933-GN
WASHER
SCREW
WASHER
TERMINAL 3
WIRE
C932-YL
WIRE B934-BU
TERMINAL 1
VIBRATION CONTROL
TERMINAL 2
SWITCH
OPERATOR STATION
401-228
0006 00-109
