-37-
Maintenance
5
Item
Description
Schedule
Note
PSI
Mon
Year
Undercarriage
Track
Adjuster
Track adjuster shall work normally when
filled with a proper amount of grease.
√ √
Track Frame
There shall not be cracks, deformation,
damage, or excessive wear on wear parts. In
case of a possible crack, use flaw detector to
check.
√ √
Mounting bolts and nuts shall not be loose or
missing.
√ √ √
Brake Parking Brake
Parking brake shall be able to hold the
machine on a 20-degree slope.
√ √ √
Hydraulic System
Hydraulic
Pump
There shall be no leak in or around joints or
seals between hydraulic pump and pipes or
hoses.
√ √
No irregular vibration, noise, or heat shall
be observed when hydraulic pump is in
operation.
√ √
Amount and pressure of discharge under
load shall be within the standard range
specified by the manufacturer.
*this may be skipped if irregular vibration,
noise, or heat described above is not
observed.
√
Plumbing
Plumbing shall be free of cracks, damage,
twists, or deterioration.
√ √ √
There shall be no leaks in pipes, hoses,
joints, or seals.
√ √ √
Plumbing shall be mounted properly, and
fastening bolts and nuts shall not be loose or
missing.
√ √ √
Hydraulic
Cylinders
Shall work smoothly.
√ √ √
There shall be no leaks when extending or
contracting cylinder.
√ √
Extend hydraulic cylinder fully under load
and hold. Stroke shall be within the range
specified by manufacturer.
√
Cylinder tube and rod shall be free of dents,
cracks, bends, or scratches.
√ √
Cylinder mounting pins shall be free of
damage or excessive wear.
√ √ √