TM 5-3805-293-23-2
0021
Table 1. Chassis Troubleshooting - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
5. Hydraulic and Steering
1. Inspect hydraulic oil for correct
Oil Level OK - Proceed to step 2.
Pump Has No Pressure
level and type (LO 5-3805-293-
Oil Level Low - Drain and refill
13).
hydraulic tank (LO 5-3805-293-13)
and perform oil configuration (WP
0217).
Oil Incorrect for Operating Condi-
tions - Drain and refill hydraulic tank
(WP 0217) and replace hydraulic filter
(WP 0208). Perform oil configuration
(WP 0217).
2. Perform Margin Pressure Adjust-
Pressure Cannot Be Adjusted or
Remains Low - Replace implement
ment (WP 0044).
steering pump control valve (WP
0121).
Pressure OK - Proceed to step 3.
3. Start and run machine (TM 5-
3805-293-10) to verify malfunc-
tion has been corrected.
6. Response of One Imple-
1. Perform Margin Pressure Adjust-
Pressure Cannot Be Adjusted or
ment is Too Slow
ment (WP 0044).
Remains Low - Replace implement
steering pump control valve (WP
0121).
Pressure OK - proceed to step 2.
Signal Relief Valve Does Not
2. Check signal relief valve for
Respond Correctly - Perform adjust-
proper cycling, perform Adjust-
ment in test as directed.
ment for Signal Network (WP
0044).
Signal Relief Valve Responds Cor-
rectly - Troubleshooting complete,
proceed to step 3.
3. Start and run machine (TM 5-
3805-293-10) to verify malfunc-
tion has been corrected.
7. Response of All Imple-
1. Start and run machine (TM 5-
ments Are Too Slow
3805-293-10).
2. Check hydraulic oil for bubbles in Bubbles identified - Replace dam-
level indicator (bubbles can be
aged/leaking lines (WP 0121).
caused by leaking components)
No Bubbles - Proceed to step 3.
while machine is running. Inspect
for visible Class III leaks at all
hydraulic connections and tighten.
0021-6