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Pply the, Ads to a – Wood’s Powr-Grip PT10FS10TAC User Manual

Page 11

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Rev 9.0/1-12

9

PT10HV11FAC: #35142

WARNING: Closing any pad shutoff reduces lifting capacity.

To activate a pad, open the pad shutoff (place valve lever

parallel

with

vacuum line); to deactivate a pad, close the pad shutoff (place valve lever

perpendicular

to vacuum line). To calculate the lifting capacity when some

pads are deactivated, consult the Per-Pad Load Capacity rating (see
SPECIFICATIONS) and multiply by the number of pads currently
activated.

Note that calculated capacities may not exceed the

Maximum Load Capacity

(see SPECIFICATIONS in main instructions).

Always activate pads in a symmetrical configuration, to keep the lifter
balanced while lifting, and use as many pads as possible for each load being lifted, to maximize
lifting capacity and to minimize load overhang.

T

O

A

PPLY THE

P

ADS TO A

L

OAD

Generating Vacuum Flow

Place the power switch in the ON (

) position. This engages the vacuum pump, causing air

to be drawn immediately at the vacuum pads.

6

WARNING: Never turn power off during operation; keep pump running

throughout lift.

The lifter is designed for the vacuum pump to run continuously. Placing the power switch in the

OFF (

) position during lifter operation could result in the release of the load and possible

injury to the operator (see T

O

L

IFT AND

M

OVE THE

L

OAD

: In Case of Power Failure to follow).

Positioning the Lifter on the Load

Make certain that the contact surfaces of the load and all vacuum pads are free of any

contaminates that could prevent the pads from sealing against the load (see MAINTENANCE:
V

ACUUM

P

AD

M

AINTENANCE

).

Center the lifter’s pad frame to within 2" [5 cm] of the load center, since off-center loading can

interfere with the lifter’s tilt capability (see T

O

T

ILT THE

L

OAD

to follow), and it may also damage

the lifter.

7

Make sure that all activated pads will fit entirely on the load’s contact surface (see

SPECIFICATIONS: Pad Spread) and that they will be loaded evenly while lifting (see

SPECIFICATIONS: Per-Pad Load Capacity). Then apply the lifter to the load until all pads seal
against the contact surface.

6

If the vacuum pump or any other powered component fails to function while the power switch is in the ON position, make sure

the lifter is connected correctly to an appropriate power source, as directed in the ASSEMBLY section. If so, examine each circuit

breaker (adjacent to power switch) to determine whether it has interrupted the electrical circuit to the component. Although the
operator can reset the circuit breaker, the power interruption may indicate an electrical problem that requires attention. Correct

any deficiency before resuming normal operation of the lifter (see wiring diagram provided).

7

The lifter is designed to handle the maximum load weight (see SPECIFICATIONS: Maximum Load Capacity) when the load’s

center of gravity is positioned within 2" [5 cm] of the pad frame’s center point. Occasional loading deviations are permissible,

provided that the operator can maintain control of the load at all times and that the load weight is low enough to avoid damaging
the lifter.

CLOSED

PAD SHUTOFF VALVE