Rev 34.7/3-20
27
MR1611LDC: #35050
WARNING: Never use unauthorized rubber cleaners or conditioners to clean
vacuum pad.
To prevent liquid from contaminating the vacuum system during cleaning, cover the suction hole
in the recess for the filter screen or make sure the pad faces downward. Use a clean sponge or
lint-free cloth to apply an authorized cleanser and wipe the pad face clean. A toothbrush (or
similar brush with bristles
that do not harm rubber) may be used to remove contaminates
clinging to sealing edges.
18
Wipe all residue from the pad face, and allow the pad to dry
completely before using the lifter.
V
ACUUM
T
EST
Test the vacuum system for leakage routinely, as directed in the preceding I
NSPECTION
and
T
ESTING
S
CHEDULES
.
1) Clean the face of each vacuum pad as previously directed (see V
ACUUM
P
AD
M
AINTENANCE
:
Cleaning).
2) Attach the lifter to a clean, smooth, nonporous surface. The surface should be flat or possess
no more curvature than the lifter is designed for (if any).
19
When the pumping cycle is
completed, the vacuum level should register above 16" Hg [-54 kPa] on the vacuum gauge (if
not, see V
ACUUM
S
WITCH
A
DJUSTMENT
to follow).
3) After the vacuum pumps stop running, leave the pads attached to the surface and place the
power switch located on the lifter in the “off” ( ) position, to interrupt the energy flow from
the battery.
4) Monitor the vacuum gauge:
The vacuum level should not decrease by more than 4" Hg
[-14 kPa] in 10 minutes.
WARNING: If lifter fails vacuum test, discontinue use immediately.
Correct any deficiency in the vacuum system before using the lifter. Contact Wood’s Powr-Grip
or an authorized dealer for assistance.
18
If these cleaning methods are not successful, contact Wood’s Powr-Grip or an authorized dealer for assistance.
19
Any test material used must be fully and independently supported, and capable of bearing the lifter’s weight. Do not use the
lifter to lift the test material during the vacuum test.
Summary of Contents for MR1611LDC
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