6-18
TROUBLESHOOTING
OTHER SYMPTOMS
OTHER SYMPTOMS
For symptoms not included in the table below or if the problem persists after the proper
remedies have been taken, consult your sales or service dealer.
Symptoms Major causes Remedies
Operating levers or pedals do
not move smoothly
• Insufficient grease on the
operating levers or pedals.
• Grease the levers and/or
pedals.
Refer to page 5-77.
Steering operation is not
possible.
• Steering device is faulty • Consult your sales or
service dealer.
Operation of hoe attachment,
dozer blade, auxiliary
hydraulics, slewing or
traveling is not possible.
• Safety lock lever is raised
(locked)
• Lower (release) the safety
lock lever.
Refer to page 2-44.
• Fuse is blown • Replace the fuse.
Refer to page 6-6.
Digging force is insufficient • Hydraulic oil level too low • Add to the specified level.
Refer to page 5-22.
• Hydraulic oil is not warm
enough
• Perform the warm-up.
Refer to pages 3-8 to 3-9.
• Air cleaner is clogged • Clean the air cleaner.
Refer to page 5-45.
• Hydraulic oil is not of
suitable type
• Replace the hydraulic oil.
Refer to page 5-64.
Traveling is not possible or
not smooth
• Stones or foreign objects
are stuck
• Blake pedal is locked
• Parking brake is activated
• Remove the foreign object.
• Release the brake pedal
lock.
Refer to page 2-46.
• Turn off the parking brake
switch
Refer to page 2-32.
• Release the safety lock lever
Refer to page 2-44.
Machine veers to the right/left • Stones or foreign objects
are stuck
• Remove the foreign object.
• Tires have different air
pressure in them.
• Make sure tires have the
same air pressure.
Refer to page 5-24.
Travel speed cannot be
changed
• Fuse is blown • Replace the fuse.
Refer to page 6-6.
Slewing is not possible or not
smooth
• Insufficient grease on slew
bearing
• Grease the bearing.
Refer to page 5-34.
Hydraulic oil temperature is
too high
• Hydraulic oil level too low • Add up to the specified level.
Refer to page 5-22.
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