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 TM 55-1905-223-24-10
Table 2-2. Troubleshooting - Con't
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
STEP 3. Check for worn hydraulic pump or hydraulic motor.
a. Replace hydraulic pump (paragraph 2-15).
b. Replace hydraulic motor (paragraph 2-22).
4.
Excessive pressure in hydraulic system.
STEP 1. Check for pressure relief valve misadjustment.
Adjust pressure relief valve (PMCS, Item 1).
STEP 2. Check for worn pressure relief valve.
Replace pressure relief valve (paragraph 2-13).
5.
Excessive temperature in hydraulic system.
STEP 1. Check to see if hydraulic system pressure is too high.
a. Check hydraulic system pressure (PMCS, Item 1).
b. Check pressure settings of valves. Adjust pressure settings as
required (PMCS, Item 1).
STEP 2. Check to see if pressure relief valve pressure is set too high.
Adjust pressure settings of pressure relief valve (PMCS, Item 1).
STEP 3. Check for cavitation (vacuums in hydraulic fluid).
a. Clean or replace dirty air breather filter (PMCS, Item 11).
b. Clean or replace dirty filters and elements (paragraph 2-13).
STEP 4. Check for air in hydraulic fluid.
a. Secure inlet fittings.
b. Check hydraulic fluid level (PMCS, Item 3).
c. Bleed air from hydraulic system (paragraph 2-5b).
STEP 5. Check to see if hydraulic fluid is low.
a. Check for leaks in hydraulic system.
b. Add hydraulic fluid (paragraph 2-5a).
STEP 6. Check to see if hydraulic fluid is dirty.
a. Clean or replace dirty filters and elements (paragraph 2-13).
b. Change hydraulic fluid (PMCS, Item 6).
STEP 7. Check for worn or broken hydraulic pump.
Replace hydraulic pump (paragraph 2-15).
STEP 8. Check for worn or broken hydraulic pump.
Replace hydraulic-motor (paragraph 2-22).
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