TM 5-3895-379-23
TROUBLESHOOTING PROCEDURES - CONTINUED
0006 00
Table 6. Vibratory System Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
4.
Vibratory System Engages Harshly.
Perform hydraulic vibrator test and Fault not corrected. Replace
adjustments (WP 0203 00).
vibratory control solenoid assembly
5.
Vibration Does Not Stop When
Adjust
propel
control
lever If symptom persists, replace propel
Travel Stops.
engagement stop (WP 0114 00).
control lever assembly (WP 0113
lever If symptom persists, replace propel
6.
Vibration Stops Too Soon Before
Adjust
propel
control
Travel Stops.
engagement stop (WP 0114 00).
control lever assembly (WP 0113
1. Check for power to vibration 1. If 24 to 28 Vdc are not measured
7.
Vibration Only Occurs While
control switch. Remove nine
Vibration Control Switch Is Set To
at terminal 2 (wire C932-YL),
screws and washers and remove
Manual Mode.
press vibration on/off switch once
panel from operator station. Turn
and try again. If 24 to 28 Vdc are
battery disconnect switch ON and
still not measured at terminal 2
engine start switch to ON position
(wire C932-YL), turn engine start
(TM
5-3895-379-10)
Set
switch and battery disconnect
multimeter to measure Vdc.
switch to OFF position (TM 5-
Touch positive (+) probe of
3895-379-10). Repair or replace
multimeter to terminal 2 (wire
wire C932-YL and connectors
932-YL) and negative (-) probe of
multimeter to good ground.
2. If 24 to 28 Vdc are measured at
terminal 2 (wire C932-YL), go to
Step 2.
2. Check for power at vibration 1. If 24 to 28 Vdc are not measured
control switch. Set vibration
at terminal 3 (wire C933-GN), turn
control switch to manual (MAN)
engine start switch and battery
position. Touch positive (+)
disconnect switch to OFF position
probe of multimeter to terminal 1
(TM 5-3895-379-10). Replace
(wire B934-BU) and negative (-)
amplitude select switch (WP 0073
probe of multimeter to good
ground. Measure Vdc. Set
vibration control switch to 2. If 24 to 28 Vdc are measured at
terminals 1 and 3, go to Step 3.
manual (MAN) position. Touch
positive (+) probe of multimeter
to terminal 3 (wire C933-GN) and
negative (-) probe of multimeter
to good ground.
