TM 5-3805-291-23-1
TROUBLESHOOTING WITHOUT A DIAGNOSTIC CODE - CONTINUED
0008 00
Table 7. Hydraulic System Troubleshooting - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
One Implement Function is 4. Perform Pilot Pressure to Main
If damaged, replace main control valve
8.
Control Valve Check (WP 0017 00).
(WP 0218 00).
Sluggish or Nonfunctional -
Continued.
1. Check hydraulic oil for correct oil
1. Add or change oil and filter if necessary
9.
All Implement Functions
(WP 0148 00).
viscosity or grade (WP 0020 00),
Are Sluggish.
contamination, and correct level (TM
2. If problem still exists, go to Test 2.
5-3805-291-10).
2. Perform Main Control Valve (MSD)
If problem still exists, go to Test 3.
Calibration (WP 0017 00).
3. Perform Relief Valve (Main, Load
1. Adjust as necessary.
Sensing) Test and Adjustment (WP
2. If problem still exists, go to Test 4.
4. Perform Pressure Reducing Valve
Adjust as necessary.
Adjustment (WP 0017 00).
1. Check hydraulic oil for correct level
1. Add oil, if necessary (TM 5-3805-291-
10. Implement Functions Are
(TM 5-3805-291-10).
10).
Erratic or Intermittent.
2. If problem still exists, go to Test 2.
2. Check for air in system. See
If problem still exists, go to Test 3.
Malfunction 19, There are Air Bubbles
in Oil.
3. Perform Main Control Valve (MSD)
If problem still exists, go to Test 4.
Calibration (WP 0017 00).
4. Perform Pressure Reducing Valve
1. Adjust as necessary.
Adjustment (WP 0017 00).
2. If problem still exists, go to Test 5.
5. Perform Pilot Pressure to Main
1. If damaged replace main control valve
Control Valve Check (WP 0017 00).
(WP 0218 00).
2. If problem still exists, replace pump
(WP 0215 00).
1. Check that hydraulic lockout switch is If problem still exists, go to Test 2.
11. No Implements Are
not in LOCKED position (TM 5-3805-
Functioning.
291-10).
2. Check fuses (TM 5-3805-291-10).
1. Replace fuses as necessary.
2. If problem still exists, go to Test 3.
3. Perform Pressure Reducing Valve
1. Adjust as necessary.
Adjustment (WP 0017 00).
2. If problem still exists, go to Test 4.
4. Perform Relief Valve (Main, Load
1. Adjust as necessary.
Sensing) Test and Adjustment (WP
2. If problem still exists, go to Test 5.