SkyTrak 6042 Service Manual - Manual (Page 119)

3.73 Model 6042 Legacy Origin 7/02
Boom
10. Excessive chain wear. 1. Improper chain adjustment.
2. Chain sheave(s) not properly
lubricated.
3. Chain sheave(s) not rotating
freely.
4. Improper chain lubrication.
1. Adjust to correct tension. (Refer
to Section 3.4.3, “Boom Chain
Tension Check.”) Replace
chain(s) as needed. (Refer to
Section 3.4.5, “Boom Extend
and Retract Chains Removal
and Replacement.”)
2. Lubricate chain sheave. (Refer
to appropriate Owners/
Operators Manual.)
3. Lubricate chain sheave. (Refer
to appropriate Owners/
Operators Manual.) Repair or
replace chain sheave(s) as
needed.
4. Lubricate at regular intervals.
(Refer to appropriate Owners/
Operators Manual and Section
3.4.2, “Chain Lubrication.”)
Replace chain(s) as needed.
(Refer to Section 3.4.5, “Boom
Extend and Retract Chains
Removal and Replacement.”)
Boom Troubleshooting (Continued)
Problem Cause Remedy