TM 5-3895-379-23
TROUBLESHOOTING PROCEDURES - CONTINUED
0006 00
Table 6. Vibratory System Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Remove all jewelry such as rings, dog tags and bracelets. If jewelry
10. Vibration Does Not Occur While
contacts electrical connection a direct short may occur resulting in
Amplitude Select Switch Is Set To
injury or death, and damage to equipment.
Low Pitch.
Ensure that parking brake is engaged and propel control lever is in
neutral position before turning engine start switch to ON position. If
roller accidently starts or rolls, injury or death may occur.
1. Check power to vibratory control. 1. If 24 to 28 Vdc are measured at
terminal 1 (wire C924-YL), turn
Open left-side door assembly
engine start switch and battery
(TM 5-3895-379-10). Loosen
disconnect switch to OFF position
screw and disconnect connector
(TM 5-3895-379-10). Connect
from low amplitude solenoid.
connector to low amplitude
Turn battery disconnect switch
solenoid and tighten screw.
and engine start switch to ON
position (TM 5-3895-379-10). 2. If 24 to 28 Vdc are not measured
at terminal 1 (wire C924-YL),
Set vibration control switch to
press vibration on/off switch once
manual (MAN) position and
and try again. If 24 to 28 Vdc are
amplitude select switch to LOW
still not measured at wire terminal
position. Set multimeter to
1 (wire C924-YL) and VIBE fuse
measure Vdc. Touch positive (+)
is good, turn engine start switch to
probe of multimeter to terminal 1
OFF position (TM 5-3895-379-
(wire C924-YL) and negative (-)
10). Connect connector to low
probe of multimeter to good
amplitude solenoid and tighten
ground.
screw. Close left-side door
assembly and go to Step 2.
SCREW
CONNECTOR
TERMINAL 1
HIGH
AMPLITUDE
SOLENOID
401-230
