SWING CYLINDER DRIFTS.

TM 5-2420-224-20-1

Table 3-5. Troubleshooting (Cont)

Malfunction

Test or Inspection

Corrective Action

BACKHOE (SEE) (CONT)

NOTE

Use threaded plug in tube. Failure to do so will result in spilled hydraulic oil.

c. Disconnect tube (1) from rod end of dipper cylinder (2) and loosen

clamp (3) holding tube (1). Move tube away from fitting (4) and install

threaded plug.

d. Start engine. Set engine RPM switch to HI.

NOTE

During step e, there may be a small amount of hydraulic oil leaking, either drops or a

small stream the diameter of a pencil lead. This is normal. Use drip pan to catch oil.

e. Pull dipper control lever inward and check for leaks from fitting (4).

If there is excessive leakage from fitting, replace dipper

cylinder (page 4-670).

If there is not excessive leakage from fitting, notify direct

support maintenance.

127. SWING CYLINDER DRIFTS.

NOTE

Steps 1 and 2 are the same for both swing cylinders.

Step 1. Check for loose and damaged hydraulic lines.

If hydraulic lines are loose or damaged, tighten loose

connections or replace hydraulic lines (page 4-606).

If hydraulic lines are not loose or damaged, go to step 2.

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