CWL-20
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11
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en
Maintenance and Inspection
8.
Maintenance and Inspection
WARNING
-
The owner must inspect, or appoint a
knowledgeable person to inspect the jack for signs of
corrosion and / or excessive wear. Visual inspection
should be made before each use of jack, checking for
abnormal conditions. Regular inspections should be
made weekly for daily use and monthly for intermittent
use. Each jack must be inspected immediately if
subjected to an abnormal load or shock. Any jack
which appears to be damaged in any way, is found to
be badly worn, or operates abnormally shall be
removed from service until necessary repairs are
made. Contact the manufacturer using the contact
information printed on the back cover of this manual.
8.1
Structural inspection
The jack must be removed from service and inspected
for damage immediately if the jack is subjected to an
abnormal shock or load. Never return the Lift system to
service until all damaged components have been
properly repaired or replaced. Always test the lift and
verify proper operation before returning the Lift system
to service. Failure to heed this warning may result in
personal and / or property damage.
To prevent serious injury or death from a falling vehicle,
all inspection and maintenance procedures must be
performed
after
the jack has been removed from
service. Position the lifts so you have clear access to all
sides of the lift for inspection and service.
Inspect the lifts for any cracks, chips, or signs of
excessive wear. Visually inspect the welds.
Inspect the load retention pins for deformities or
excessive wear — if the deformities or wearing away
of material are easily noticeable without close
inspection, it is excessive. Test the load retention
pins by inserting them through the lift stop bar and
into each downstop lug. If the load retention pin
cannot be inserted fully through the lift stop bar and
into each of the holes in the downstop lugs in all
positions, it is excessively damaged and must be
replaced before the lift can be used again.
Inspect the holes for the load retention pins in the
base post. If these holes show excessive elongation
or wear on the top or bottom surfaces, they must be
repaired before the lift can be placed back into
service. Contact the manufacturer using the contact
information on the back cover of this manual for
repair recommendations.
If any irregularities or problems are detected during an
inspection, the stand must be removed from service
immediately and repaired. Contact the manufacturer
using the contact information on the back cover of
this manual.
8.2
Air hose inspection
To prevent serious injury or death from a falling vehicle,
or possible serious injury due to bursting air hoses,
replace air hoses only with single-wire reinforced air
hoses from manufacturer, part number 1-271-02002.
The use of any other air hose increases the risk that the
air hose may become pinched or damaged, resulting in
failure of the air hose or of the lift during operation.
Contact the manufacturer.
Inspect the air hoses daily for any signs of cuts,
abrasions, or excessive wear. If any air hose appears
to be damaged, replace it immediately with
manufacturer authorized reinforced steel air hose,
part number 1-271-02002.
Inspect the air fittings daily for cracks and/or
damaged parts. If any show damage, replace them
before putting the Lift system back into service.
8.3
Maintenance instructions
WARNING
- All inspection and maintenance procedures
must be performed after the jack has been removed from
service. Failure to do this may result in personal injury
and/or property damage.
All warning and capacity labels should be readable
and complete. Wash external surfaces of jack, labels,
and decals with a mild soap solution.
Lubricate all rotating and sliding portions of the jack
monthly (Fig. 11).
Fig. 11: Lubrication points
Oil downstop
pivot shaft
and release
springs
monthly
Grease swivel
casters monthly
Grease roller wheel monthly.
Grease base post monthly with EP-1 yellow grease.
Oil front wheels
monthly.
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