TM 5-3805-290-23-1
TROUBLESHOOTING WITHOUT A DIAGNOSTIC CODE - CONTINUED
0008 00
Table 4. Differential and Final Drive Troubleshooting.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
8
WARN I N G
Injury or death to personnel can result from sudden machine move-
ment.
DO NOT disconnect or remove any hydraulic system line or fitting
unless engine is shut down and hydraulic system pressure has been
relieved. Tighten all connections before applying pressure. Escaping
hydraulic fluid under pressure can penetrate skin, causing injury to
personnel.
At opening temperature, hydraulic oil is hot. Allow hydraulic oil to
cool before disconnecting any hydraulic lines. Failure to follow this
warning may result in injury to personnel.
To prevent injury to personnel, wear protective eye covering and
gloves.
8
CAU T I ON
Wipe area clean around all connections to be opened during removal. Cap
lines and hoses and plug openings after removing lines. Contamination of
system could result in premature failure.
N OT E
Tag hoses prior to removal to ensure correct installation.
Use a container to catch any fluid that may drain from hoses or sys-
tem. Dispose of fluid IAW local policy and ordinances. Ensure all
spills are cleaned up.
Many of these problems can create diagnostic or event codes in ET.
These codes can help find the root cause of a problem. ET should be
used to retrieve logged and active codes.
1. Add, drain, or change oil as necessary
Check axle oil for correct level (WP 0091
1.
There is Constant Noise in
00) and type (WP 0019 00).
(WP 0091 00).
Differential.
2. If problem still exists, replace axle (WP
0179 00 and WP 0180 00).
Replace axle (WP 0179 00 and WP 0180
2.
There is Noise at Different
00).
Intervals.
Replace axle (WP 0179 00 and WP 0180
3.
There is Noise When
00).
Machine Turns.
Replace axle (WP 0179 00 and WP 0180
4.
Drive Wheels Do Not Turn
00).
but Universal Joint Turns.
