ALL BACKHOE FUNCTIONS SLUGGISH.

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Table 3-5. Troubleshooting (Cont)

Malfunction

Test or Inspection

Corrective Action

BACKHOE (SEE)

123. ALL BACKHOE FUNCTIONS SLUGGISH.

Step 1. Check for loose and damaged hydraulic lines.

If hydraulic lines are loose or damaged, tighten loose

connections or replace hydraulic lines (pages 4-590, 4-592,

4-594, 4-596, 4-598, 4-600, 4-602, 4-604, 4-606, 4-608, 4-610,

4-612, 4-614, 4-616, 4-618).

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

Step 2. Check engine rpm on tachometer. Engine speed should be 2000 rpm.

If engine speed is not 2000 rpm, adjust air cylinder (page 4-76).

If engine speed is 2000 rpm, notify direct support maintenance.

124. BOOM CYLINDER DRIFTS.

NOTE

Steps 1 and 2 are the same for both boom 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 4-610).

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

Step 2. Check for damaged boom cylinder packing as follows:

a. Start engine.

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