Rev 17.2/12-21
MT-10TDC-HV-C: #35094
25
Perform the following tests before placing the lifter in service
initially, 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 the vacuum gauge (if not,
see “V
ACUUM
S
WITCH
A
DJUSTMENT
4)
Take precautions in case
load should fall during test.
Raise the load a minimal distance and place the
power switch in the “off” position (
) — (see
page 21).
5) Watch the vacuum gauge:
The vacuum level should not decrease by more than 4" Hg
[-14 kPa] in 5 minutes.
6)
Never use lifter that has
failed test.
Lower the load after 5 minutes or whenever a
lifter fails the test, and release the load as
previously directed.
7)
This service must be performed
by qualified service personnel.
Qualified service personnel must correct any
fault in the vacuum system before the lifter
can be returned to service.
1..... The load should have either a flat surface or no more curvature than the lifter is designed for, if any.
INSPECTIONS AND TESTS
