TM 5-3805-290-23-1
TROUBLESHOOTING WITHOUT A DIAGNOSTIC CODE - CONTINUED
0008 00
Table 7. Hydraulic System Troubleshooting - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. Ensure engine is operating correctly.
If problem still exists, go to Test 2.
1.
Hydraulic Power is Low.
Perform Torque Converter Stall Test
2. Check hydraulic oil level (TM 5-3805- 1. Add oil if necessary.
290-10).
2. If problem still exists, go to Test 3.
3. Check hydraulic system for leaks.
1. Repair any leaks (WP 0131 00 thru WP
0136 00).
2. If problem still exists, go to Test 4.
4. Check oil temperature.
If oil temperature is too high, refer to
Malfunction 10, Oil Temperature is Too
High in this work package.
5. Check for air bubbles in oil.
If air bubbles are present, refer to
Malfunction 11, There Are Air Bubbles in
Oil in this work package.
6. Perform Pilot System Pressure
If problem still exists, go to Test 7.
Pressure Test (WP 0017 00).
7. Check high pressure cutoff of
If problem still exists, go to Test 8.
implement pump. Perform Piston
Pump Pressure Test (WP 0016 00).
8. Check line relief valves setting.
If problem still exists, replace pilot
Perform Relief Valve (Line) Test and
operated control (WP 0188 00).
Adjustment (WP 0017 00).
1. Ensure lockout switch is in OFF
If problem still exists, go to Test 2.
2.
No Functions Will Operate
position (TM 5-3805-290-10).
or All Functions Operate
Slowly.
2. Visually inspect hydraulic system for
1. Repair any leaks found.
leaks in system.
2. If problem still exists, go to Test 3.
3. Perform Pilot System Pressure
If problem still exists, go to Test 4.
Pressure Test (WP 0017 00).
4. Check high pressure cutoff of
If problem still exists, go to Test 5.
implement pump. Perform Piston
Pump Pressure Test (WP 0016 00).
5. Check standby pressure. Refer to
1. If standby pressure cannot be adjusted,
Piston Pump Pressure Test and
refer to Malfunction 5, Standby
Adjustment (WP 0017 00).
Pressure Cannot be Adjusted Correctly
in this work package.
2. If problem still exists, go to Test 6.