Compact Power Boxer 427W - Manual (Page 77)

6-7-06 - Fifth Proof
5-3
Troubleshooting
*Tested with warm oil and no more than 530 lbs (240 Kg) in the bucket. Measure the
downward drop at the attachment lock pins on the back of the mount plate.
Engine overheats. • Engine load is excessive. • Reduce ground speed.
• Reduce speed of attachment.
• Engine oil level in crankcase is
low.
• Add the appropriate engine
oil to crankcase. See engine
manual for oil specifications.
• Cooling fins and air passages
under engine blower housing
are plugged.
• Remove obstruction from
cooling fins and air passages.
Abnormal engine
vibration.
• Engine mounting bolts are
loose.
• Tighten engine mounting
bolts.
With the machines
engine turned off, the
boom creeps downward
more than 3" per hour
(less than 3" per hour is
normal for this
machine).*
• Valve spool leakage. • Contact Service Dealer.
• Cylinder seals are leaking. • Replace cylinder seals.
With the machines
engine turned off, boom
drops downward quickly
and then stops.
• Cylinder seals are leaking. • Replace cylinder seals.
The machine does not
travel in either forward or
reverse directions.
• Engine is not running at full
speed.
• Advance throttle to full engine
speed.
• Hydraulic fluid is cold. • Fully warm hydraulic fluid.
• Hydraulic fluid level is low. • Check and fill the hydraulic
fluid tank with the appropriate
hydraulic fluid.
• Fuel tanks are empty and
engine stops.
• Fill fuel tanks with fuel.
• If all above has been checked. • Contact authorized service
dealer.
Track is “cogging”. • Travelling in reverse with a
heavy load.
• Slow down travel.
• Reduce load on machine.
• Track tension spring fully
compressed.
• Stop travel and reverse
direction to allow the tension
spring to decompress.
• Check for debris in track that
could cause the track tension
spring to fully compress.
• Track tension not set properly. • Reset track tension.
Problem Possible Causes Corrective Action