Boom
3-52
31211015 6036, 6042, 8042, 10042, 10054
9. Rapid boom pad wear. 1. Incorrect wear pad gap. 1. Check wear pad gaps and correct
as needed. Refer to Section 3.8,
“Boom Wear Pads”.
2. Rapid cycle times with heavy
loads.
2. Reduce cycle times.
3. Contaminated, corroded or rusted
wear pad sliding surfaces.
3. Remove contamination and/or
corrosion from wear pad sliding
surfaces and lubricate. If the
surfaces cannot be reconditioned,
replace the boom section(s).
4. Operating in extremely dusty/
abrasive conditions.
4. Clean equipment frequently.
10. Auxiliary hydraulics will not
operate.
1. Auxiliary hydraulic system not
operating properly.
1. Refer to Section 8.5.2, “Pressure
Specifications”.
11. Excessive chain wear. 1. Improper chain adjustment. 1. Adjust to correct tension. Refer to
Section 3.7.1, “Boom Chain
Inspection”. Replace chains as
needed.
2. Chain sheave(s) not properly
lubricated.
2. Lubricate chain sheave. (Refer to
Section 2.5, “Service and
Maintenance Schedules”.
3. Chain sheave(s) not rotating
freely.
3. Lubricate chain sheave. Refer to
Section 2.5, “Service and
Maintenance Schedules”. Repair
or replace chain sheave(s) as
needed.
4. Improper chain lubrication. 4. Lubricate at regular intervals.
Refer to Section 2.5, “Service and
Maintenance Schedules”. Replace
chains as needed.
Problem Cause Remedy
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