LOCKING PEG
Each shaft is secured with a locking peg as mentioned above. If you find
that a peg is broken or that the bolt and peg is missing then this can be a
sign that the shaft is seized due to lack of lubrication. If a seized shaft is
suspected, check that the x-drilling for the locking peg lines up with the bolt
hole for the locking peg securing bolt. Fit a new peg. Carefully operate the
boom to see if the shaft is trying to turn.
If a grease nipple is fitted, apply grease. If you suspect that the shaft is
seized it is recommended to drive the shaft 1/2 way out. Clean and apply
new grease. If the shaft is badly worn or scored, replace both shaft and the
bush.
Depending on which shaft is causing the problem, you may have to support
the structure to prevent jamming when extracting the shaft.
MAINTENANCE PROCEDURE
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