Rev 4.0/2-21
P1-DC3: #35123AUS
25
Perform the following tests before placing the lifter in service
initially
and
following any repair
,
when directed in the
, or
whenever necessary:
Operational Tests
Test all features and functions of the lifter (see “OPERATING FEATURES” and “OPERATION”).
Vacuum Test
1) Clean the face of each vacuum pad (see
).
2) Use a test load with weight equal to the Maximum Load Capacity, a clean, smooth,
nonporous surface and other appropriate
1
3) Attach the lifter to the test load as previously directed. After the vacuum pump stops
running, the vacuum level should appear in the green range on each of the vacuum
gauges.
4)
Take precautions in case
load should fall during test.
Raise the load a minimal distance. Then hold the
“function” button ( ) and the “power” button
( ) for at least 5 seconds to power down the
lifter.
2
5) Watch the vacuum gauges:
The vacuum level should not decrease by more than 4" Hg
[-14 kPa] in 5 minutes.
6) Lower the load after 5 minutes or whenever a lifter fails the test, and release the load as
previously directed.
7)
Never use lifter that
has failed test.
Qualified service personnel must correct any fault in the
vacuum system before the lifter can be returned to
service.
3
1..... The load should have either a flat surface or no more curvature than the lifter is designed for, if any.
2..... During this time, the LCD screen displays “WARNING: Is load attached?”, the notification buzzer chirps and the strobe light flashes.
3..... For more information, search for your lifter’s Model Number on
and select the “Troubleshooting” link on the product page.
INSPECTIONS AND TESTS
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