OUTER BOOM CYLINDER DRIFTS WHEN LOADED AND CONTROLS IN NEUTRAL.

TM 5-2420-224-20-1

Table 3-5. Troubleshooting (Cont)

Malfunction

Test or Inspection

Corrective Action

CRANE (HMMH) (CONT)

137. OUTER BOOM CYLINDER DRIFTS WHEN LOADED AND CONTROLS IN NEUTRAL.

Step 1. Check for damaged packings and seals in outer boom cylinder as follows:

a. Start engine. Extend outer boom cylinder (1) to end of stroke.

b. Stop engine.

NOTE

Use threaded plugs in hoses in steps c and g. Failure to do so will result in spilled

hydraulic oil.

Remove hose (2) from outer boom cylinder (1) and install threaded plug

in hose.