Maintenance
-36-
5
Item
Description
Schedule
Note
PSI
Mon
Year
Brake System
Parking Brake
Parking brake shall work properly.
√ √ √
Parking brake shall be able to hold the
machine on a 20-degree slope.
√ √
Linkage
Rods, links, and wires in linkage shall be free
of deformation or damage.
√ √
Connections shall be free of looseness,
excessive play, or missing cotter pins.
√ √
Hydraulic System
Hydraulic
Pump
There shall be no leak in or around hydraulic
pump.
√ √
Fastening bolts and nuts shall not be loose
or missing.
√ √
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.
√
Hydraulic
Valve
There shall be no leak in or around hydraulic
valve.
√ √
Hydraulic System
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.
√ √
Breather shall not be clogged.
√ √
Hydraulic
Cylinders
Shall work smoothly.
√ √
There shall be no leaks when extending and
contracting cylinder.
√ √
Extend dump 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.
√ √