Woods-powr-grip VLPL411LAC User Manual download pdf (Page 17)

Rev 15.0/12-12 15 VLPL4-AC: #35165

for cleaning. Do

not

use unauthorized rubber cleaners or conditioners, such as those intended

for cleaning tires or vinyl surfaces, because those products can leave a hazardous film on vacuum

pads which significantly reduces their lifting capacity (see Friction Coefficient preceding). The

use of any unauthorized cleaning agent is prohibited because it could damage the pad and/or

create a hazard to the operator or others.

WARNING: Never use solvents, gasoline or other harsh chemicals to clean

vacuum pad.

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.

Wipe all residue from the pad face, and allow the pad to dry

completely before using the lifter.

VACUUM TEST

Test the vacuum system for leakage routinely, as directed in the preceding INSPECTION and

TESTING SCHEDULES.

1) Clean the face of each vacuum pad as previously directed (see VACUUM PAD MAINTENANCE:

Cleaning).

2) Apply 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).

3) When the vacuum level registers above 16" Hg [-54 kPa] on the vacuum gauge, turn off or

disconnect the power source (as appropriate) and leave the pads attached to the surface.

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.

If these cleaning methods are not successful, contact Wood’s Powr-Grip or an authorized dealer for assistance.

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.

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Woods-powr-grip VLPL411LAC User Manual Page 17