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Cate-
gory
Clearance between straight frame and track
Check of the safety lever lock function
Check of the quick drop valve operation
• Quick dropping of the blade from top position.
Main relief valve function (Engine: Low idling)
Check of the accumulator function (blade, ripper)
Blade cylinder OL
• Leakage from U-packing, damaged rod, quick drop
valve, tube, flange or dust seal
Tilt cylinder OL
• Leakage from U-packing, damaged rod, quick drop
valve, tube, flange or dust seal
Track tension adjustment
• With the gear at F1 and the engine at low idling, travel
on flat place for about 10 m, and when the grouser
comes over the first carrier roller, stop the machine by
depressing the brake pedal.
Carrier roller alignment
• Travel on flat place with the gear at F1 and R1 for
about 10 m, repeatedly about 3 or 4 times, then gradu-
ally apply brake to stop.
Undercarriage OL
• Leakage from idler, carrier roller, pivot shaft, adjust-
ment cylinder, and lubricated track (plug, seal)
Beat noise inside the cabin, beat noise of the outer cover
Opening/closing and locking effect of the cabin doors.
Cabin door-open lock release lever
Opening/closing and locking effect of the left/right side slide
glass
Lighting of the room lamp
Operation of the window wiper and the window washer
Operation of the radio and cassette system
(Volume, tuning, AM/FM switching, cassette)
Operation of the cigar lighter
Ash tray installation
Power supply of 12 V (Accessory socket, etc.)
• Check by connecting the ratio unit
Operation of the air conditioner
Air flow amount must be able to be adjusted (Hi, Mid or Lo)
• Louver must be smoothly switched (Left/right of monitor panel)
Inspection item
Left
Right
Free
Lock
Inspec-
tion
Difference between right and left must be 30 mm or
mm
less (when measured on flat ground).
Move the blade up and down and stop it at 100 mm
mm
above ground, then measure.
No actuator must work when the safety lock lever is at
ON position
(Lever can move but work equipment must not move)
At the engine full, set the blade lever at down position.
When the lever is set at the N position after the blade
drops by 1000 mm, it must stop.
Must be bridged with the blade and the ripper (Chassis)
Must function immediately after the engine stops then
drop from the top to the ground.
Must be none.
LH
RH
Must be none.
LH
RH
Place a thread or a bar over the 1st and
2nd carrier rollers and measure the dis-
LH
20 – 30 mm
tance between the thread or bar and
grouser. (Difference between the right
RH
20 – 30 mm
and left must not exceed 20 mm.)
Flanges must be free from contact with links at all
times.
LH
RH
Must be none.
LH
RH
Must be none.
Must work smoothly to securely lock the doors by
door-locking or key-locking.
Must work smoothly to securely lock.
Must work smoothly to securely lock.
Must come on/go off by turning the switch on/off.
Must be on/off by turning the switch on/off.
Wiper: Must operate smoothly (without beat noise)
Must operate correctly
Must be red-heated.
Must be installed.
Power of 12 V must be supplied.
Cold and warm air must be able to be switched by
monitor operation.
Air flow amount must be able to be adjusted (Hi, Mid or
Lo)
Air comes out from each blowout port.
4/7
Criteria
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