Skytrak 6042 Service Manual User Manual download pdf (Page 117)

3.71

Model 6042 Legacy Origin 7/02

Boom

3.7 TROUBLESHOOTING

This section provides an easy reference guide covering

the most common problems that occur during operation

of the boom.

Boom Troubleshooting

Problem Cause Remedy

1. Boom will not extend or

retract.

1. Broken hydraulic hose(s) or

tube(s) and/or connections

leaking.

2. Extend/retract hydraulic system

not operating properly.

3. Faulty extend/retract cylinder.

4. Broken chains or anchors.

1. Locate break, replace hose(s)

or tube(s), tighten connections.

2. Refer to Section 8.8, “Hydraulic

Circuits and Troubleshooting.”

3. Repair cylinder. (Refer to

Section 8.13.6, “Extend/Retract

Cylinder.”)

4. Replace chains or anchors as

needed. (Refer to Section 3.4.5,

“Boom Extend and Retract

Chains Removal and

Replacement.”)

2. Dropping chain, or jerky

boom extend or retract

functions.

1. Chain(s) tension not properly

adjusted.

2. Chain(s) stretched or binding.

3. Wear pads loose, contaminated,

excessively worn or damaged.

4. Contaminated, corroded or

rusted wear pad sliding

surfaces.

5. Extend/retract hydraulic system

not operating properly.

6. Damaged boom section.

1. Adjust chain(s). (Refer to

Section 3.4.4, “Boom Chain

Tension Adjustment.”)

2. Replace chain(s) as needed.

(Refer to Section 3.4.5, “Boom

Extend and Retract Chains

Removal and Replacement.”)

3. Replace wear pads. (Refer to

Section 3.5.1, “Boom Wear Pad

Replacement.”)

4. Remove contamination and/or

corrosion from wear pad sliding

surfaces and lubricate. (Refer to

Section 3.5.2, “Boom Wear Pad

Lubrication.”) If the surfaces

cannot be reconditioned,

replace the boom section(s).

5. Refer to Section 8.8, “Hydraulic

Circuits and Troubleshooting.”

6. Replace the damaged boom

section. (Refer to Section 3.3,

“Boom Assembly Maintenance.”)

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