TM 5-3805-298-23-2
0144
Table 1. Machine Does Not Turn when Steering Wheel Is Turned - Continued.
0144
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Test Step 3. Inspect Fluid in
Machine Does Not Turn
Hydraulic Oil Tank.
When Steering Wheel Is
Hydraulic Oil Level Is Normal
1. Visually inspect sight glass; normal
Turned - Continued
Proceed to step 2.
hydraulic oil level should be
between top and bottom marks on
Hydraulic Oil Level Is Low Add
sight glass (TM 5-3805-298-10).
hydraulic oil as required (WP 0368).
Proceed to Test Step 7.
2. Visually inspect hydraulic oil in
Air Bubbles Present in Hydraulic Oil
sight glass for air bubbles.
Proceed to Test Step 4.
No Air Bubbles Present in Hydraulic
Oil Proceed to Test Step 5.
Test Step 4. Inspect Hydraulic
Hoses.
1. Inspect suction hoses on hydraulic Suction Hoses Are Not Leaking
tank for Class III leaks (WP 0173). Proceed to step 2.
Check ground for signs of leakage. Suction Hoses Are Leaking Tighten
or replace suction hoses on hydraulic
tank (WP 0173).
Proceed to Test Step 7.
2. Visually inspect supply hoses of
Pump Supply Hoses Are Not Leaking
the pump for Class III leaks
Proceed to step 3.
(WP 0173). Check ground for
Pump Supply Hoses Are Leaking
signs of leakage.
Tighten or replace pump supply hoses
Proceed to Test Step 7.
3. Remove main control valve cover
for access to hoses
(WP 0371).
4. Visually inspect hoses to the main Main Control Valve Hoses Are Not
Leaking Proceed to step 5.
control valve for Class III leaks.
Check ground for signs of leakage. Main Control Valve Hoses Are
Leaking Tighten or replace main
control valve hoses (WP 0173).
Proceed to Test Step 7.
0144-3