18” CHIPPER MACHINE MAINTENANCE
50
• Inspect the bolts for the chain guard
cover and replace any that have worn,
chipped or missing threads.
• Replace the guard cover and replace the
bolts and washers and tighten. Never
operate the chipper without all guards in
place and secured properly.
JACK STAND
• Check the lock pins to make sure they
are fitting properly and in good shape.
Replace any pins that are worn, bent or
damaged in any way. Make sure holes
for lock pins are not worn or elongated.
• Check general condition of the jack
stand. Make sure holes in mating parts
are not worn or elongated. Check the
bottom of the jack to make sure it will sit
level on level ground. Replace the jack
stand if it is warped, has unusual wear,
or if it won’t hold position when
supporting the chipper.
• Grease the jack stand as necessary.
HYDRAULIC JACK STAND
(Standard with 250 HP engine – Optional
with 170 HP engine)
• Check all hose connections on the
hydraulic jack for tightness and tighten if
necessary. Check fittings for wear and
replace if necessary. Follow the
instructions in the Servicing Hydraulics
section for checking the hoses.
• Inspect the cylinder pins for wear. Also
inspect the cotter pins and replace any
parts that need replacing.
• Occasionally grease the sides of the jack
stand when it is down. This will cut
down on wear from metal rubbing
against metal.
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