TM 5-3805-290-23-1
TROUBLESHOOTING WITHOUT A DIAGNOSTIC CODE - CONTINUED
0008 00
Table 5. Steering System Troubleshooting - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. Check hydraulic oil for correct
1. Add or change oil if necessary (WP
7.
Temperature of Oil is Too
viscosity or grade (WP 0019 00).
0137 00).
Hot.
2. If problem still exists, go to Test 2.
2. Check restriction in steering line (WP
1. Remove restriction or replace lines as
0102 00).
necessary.
2. If problem still exists, go to Test 3.
3. Check for air mixed with oil.
If air is present, repair any leaks.
Check steering column to ensure correct
1. Realign if necessary.
8.
Steering Wheel Turns
Without Operator's Action. alignment with steering metering pump
2. If problem still exists, replace steering
(WP 0101 00).
metering pump (WP 0101 00) and
change hydraulic system oil (WP 0137
00).
1. Check for bent steering cylinder rod.
1. If damaged, replace steering cylinders
9.
Machine Will Not Stay in a
(WP 0103 00).
Straight Line.
2. If problem still exists, go to Test 2.
2. Check for loose steering cylinder
1. If damaged, replace steering cylinders
piston.
(WP 0103 00).
2. If problem still exists, go to Test 3.
3. Check for air mixed with oil.
1. If air is present, repair any leaks.
2. If problem still exists, go to Test 4.
4. Check steering linkage for wear or
1. Replace any damaged or worn parts.
damage.
2. If problem still exists, go to Test 5.
5. Remove and check steering cylinder
1. If damaged or worn, replace steering
pins for wear or damage (WP 0103 00).
cylinder pins.
2. If problem still exists, replace steering
metering pump (WP 0101 00).
Check for loose steering cylinder piston.
1. If damaged, replace steering cylinders
10. Operation of Hand
(WP 0103 00).
Metering Unit is Erratic.
2. If problem still exists, replace steering
metering pump (WP 0101 00).
Torque steering wheel nut 27 5 lb-ft (37 If problem still exists, replace steering
11. Steering Wheel Has
7 Nm) (WP 0098 00).
column (WP 0099 00).
Excessive Free Play.
Perform Pump Performance (Steering)
1. If necessary, replace steering pump
12. Hand Metering Unit Locks
Test (WP 0016 00).
(WP 0182 00).
Up.
2. If problem still exists, replace steering
metering pump (WP 0101 00) and
change hydraulic system oil (WP 0137
00).
Check hydraulic lines to steering cylinders If hydraulic lines are connected to wrong
13. Machine Turns in Wrong
(WP 0102 00 and WP 0103 00).
ports on hand metering unit, connect lines
Direction When Operator
correctly.
Turns Steering Wheel.
