TM 5-5420-209-12
Table 3-1. Direct Support Troubleshooting Procedures. - Continued
Malfunction
Test or Inspection
Corrective Action
8.
9.
10.
LOCKING CYLINDER INOPERATIVE - Continued
Step 2.
Check hydraulic oil level in hydraulic reservoir.
Add oil as specified in LO 5-5420-209-12.
Step 3.
Check hydraulic oil lines and connections for leakage.
a. Tighten loose connections.
b. If leaks persists, or cylinder is still inoperative, notify unit maintenance personnel.
HYDRAULIC PUMP INOPERATIVE OR NOISY
Step 1.
Check to see if PTO is engaged.
Engage PTO and follow instructions on hydraulic console.
Step 2.
Check hydraulic oil level in hydraulic reservoir.
a. Add oil as specified in LO 5-5420-209-12.
b. If noise persists or pump remains inoperative, notify unit maintenance personnel.
RAMP DOES NOT ARTICULATE WHEN PUMP HANDLE IS PUMPED
Step 1.
Step 2.
Step 3.
Check position of pump lever.
Position lever to PUMP position and open vent valves.
Check hydraulic oil level in pump reservoir.
Add oil as specified in LO 5-5420-209-12.
Check hydraulic lines and connections for leaks.
a. Tighten loose connections.
b. If leaks persist, or pump remains inoperative, notify unit maintenance personnel.
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