Preventive Maintenance
Chapter 6: General Procedures
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LIFT
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Resident Stand Assist Service Manual (man173)
Page 6 - 7
6
Preventive Maintenance Schedule
Table 6-1. Preventive Maintenance Schedule)
Function
Procedure
Sling assembly
Check the condition of the stand assist sling prior to each use.
Inspect the integrity of the straps prior to each use. Replace the stand
assist sling after 20 machine washings or 6 months of regular use,
whichever comes first.
Hand set
Test the hand set pendant for proper operation of all functions.
Inspect the handset pendant cord for cuts, nicks, or breaks.
Lift limits
Run the lift arm to the full upper and lower limits to ensure proper
function of the limit switches.
Emergency stop
button
Check the operation of the emergency stop button.
Verify the lift arm does not operate when the emergency stop button
is engaged.
Verify the lift arm operates when the emergency stop button is disen-
gaged.
Actuator emergency
down release
Check the function of the emergency down release pin.
Place a 120 lb (54 kg) weight inside the sling assembly. Run the lift
arm to the full upper limit, and pull the actuator emergency down
release pin. Ensure the lift arm slowly drifts to the lowest position.
Replace the actuator emergency down release pin, and run the lift arm
to the full upper limit. Ensure the lift arm does not drift down.
Frame
Inspect all welds on the lift arm, column, and base for stress fractures
or weakening.
Lift arm bolts and
elastic stop nut
Check the bolt and elastic stop nuts on the lift arm for tightness. If an
elastic stop nut is removed, replace it. Do not reuse elastic stop nuts.
Front casters
Check the retaining bolt tightness. If removed, replace the locking
nut. Do not reuse the elastic stop nuts.
Rear casters
Check the retaining bolt tightness. If removed, replace the locking
nut. Do not reuse the elastic stop nuts.
Rear caster braking
Activate the brakes. Test the brakes to see if the unit moves.
Leg spreader
Check the operation of the leg spreader.
Tighten all the leg spreader mechanism bolts. If an elastic stop nut is
removed, replace it. Do not reuse elastic stop nuts.
Overall appearance
Check the appearance of the unit. Use touch-up paint as necessary.
Inspect the labels, and replace as necessary.
Battery charger
power cord and plug
Inspect the battery charger power cord for cuts, nicks, or breaks.
