TM 5-3805-298-23-2
0147
Table 1. All Implements Will Not Operate or Operate Slowly Continued.
0147
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Test Step 2. Inspect Fluid in
All Implements Will Not
Hydraulic Oil Tank.
Operate or Operate Slowly -
1. Turn ignition switch and battery
Continued
disconnect switch to OFF position
(TM 5-3805-298-10).
2. Visually inspect sight glass; normal
Hydraulic Oil Level Is Normal
hydraulic oil level should be
Proceed to step 3.
between the top and bottom marks
Hydraulic Oil Level Is Low Add
on the sight glass
hydraulic oil as required (WP 0368).
(TM 5-3805-298-10).
Proceed to Test Step 7.
3. Visually inspect hydraulic oil in
Air Bubbles Present in Hydraulic
sight glass for air bubbles.
Fluid Proceed to Test Step 3.
No Air Bubbles Present in Hydraulic
Fluid Proceed to step 4.
4. Check for contamination in
Hydraulic Oil Is Contaminated Drain
hydraulic oil.
fluid from hydraulic tank
(WP 0368). Replace hydraulic filter
(WP 0385). Flush hydraulic tank
(WP 0368). Fill hydraulic tank
(WP 0368).
Proceed to Test Step 7.
Hydraulic Oil OK Proceed to Test
Step 4.
Test Step 3. Inspect Hydraulic
Hoses.
1. Inspect suction hoses on hydraulic
Suction Hoses Are Not Leaking
tank for Class III leaks
Proceed to step 2.
(WP 0173). Check ground for
Suction Hoses Are Leaking Tighten
signs of leakage.
or replace suction hoses on hydraulic
tank (WP 0173).
Proceed to Test Step 7.
Pump Supply Hoses Are Not
2. Visually inspect the supply hoses
Leaking Proceed to step 3.
of the pump for Class III leaks
(WP 0173). Check ground for
Pump Supply Hoses Are Leaking
signs of leakage.
Tighten or replace pump supply lines
Proceed to Test Step 7.
3. Remove main control valve cover
for access to hoses
(WP 0371).
0147-3
