TM 5-3895-379-23
TROUBLESHOOTING PROCEDURES - CONTINUED
0006 00
Table 6. Vibratory System Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2. If 24 to 28 Vdc are not measured
9.
Vibration Does Not Occur While
at terminal 1 (wire C925-GN),
Amplitude Select Switch Is Set To High
press vibration on/off switch once
Pitch- Continued.
and try again. If 24 to 28 Vdc are
still not measured at terminal 1
(wire C925-GN) and VIBE fuse is
good, turn engine start switch to
OFF position (TM 5-3895-379-
10). Connect connector to high
amplitude solenoid and tighten
screw. Close left-side door
assembly and go to Step 2.
2. Check for power to amplitude 1. If 24 to 28 Vdc are not measured
select switch. Remove nine screws
at terminal 2 (wire C933-GN),
and washers and remove panel
press vibration on/off switch once
from operator station. Turn
and try again. If 24 to 28 Vdc are
vibration control switch to manual
still not measured at terminal 2
(MAN) position. Turn battery
(wire C933-GN) and VIBE fuse is
disconnect switch and engine start
good, turn engine start switch and
switch to ON position (TM 5-
battery disconnect switch to OFF
3895-379-10). Touch positive (+)
position (TM 5-3895-379-10).
probe of multimeter to terminal 2
Repair or replace wire C933-GN
(wire C933-GN) and negative (-)
and connectors to VIBE fuse
probe of multimeter to good
holder (WP 0077 00).
ground.
2. If 24 to 28 Vdc are measured at
terminal 2 (wire C933-GN), go to
Step 3.
PANEL
ASSEMBLY
SCREW
WIRE C920-GN
WASHER
SCREW
TERMINAL 3
WASHER
WIRE
C933-GN
WIRE
B921-WH
TERMINAL 1
TERMINAL 2
AMPLITUDE SELECT SWITCH
OPERATOR STATION
401-229
0006 00-117
