Rev 11.3/4-18
13
MT2HV11DCO-DVS: #35082
sounds while you are lifting a load, make sure the vacuum gauge shows a vacuum level of 16"
Hg [-54 kPa] or higher. If not, immediately move away and stay clear of the load until it can be
lowered to the ground or a stable support.
WARNING: Stay clear of any suspended load while alarm is sounding.
Discontinue lifter use until the cause of the vacuum loss can be determined. Using the lifter on
contaminated, rough or porous surfaces may result in a vacuum loss, due to leakage between
the vacuum pads and the load. Since the alarm may sound in such circumstances, consult the
section T
O
A
PPLY THE
P
ADS TO A
L
OAD
: Vacuum Level on Other Surfaces to determine whether the
lifter can be used to lift the load. If the vacuum loss is due to any other cause, perform
inspection and maintenance as needed to identify and correct any deficiency before resuming
normal operation of the lifter.
Controlling the Lifter and Load
When the vacuum indicators show that the lifter is ready, use the hoisting equipment to raise the
lifter and load as needed to clear any obstacles in their path. Use the control handle to keep the
lifter and load in the desired orientation while they are suspended from the crane. Once
sufficient clearance is established, the load can be tilted as desired (see T
O
T
ILT THE
L
OAD
to
follow).
In Case of Power Failure
The lifter is equipped with 2 vacuum reserve tanks, designed to maintain vacuum temporarily in
case of a power failure (ie, in battery).
WARNING: Stay clear of any suspended load in the event of a power failure.
Although the lifter is designed to support the load for at least 5 minutes without power, this
depends on many factors, including the condition of the load and the lifter’s vacuum system (see
INTENDED USE: L
OAD
C
HARACTERISTICS
and MAINTENANCE: V
ACUUM
P
AD
M
AINTENANCE
,
V
ACUUM
T
EST
). If a power failure occurs, keep all personnel clear of the suspended load until it can safely
be placed on the ground or a stable support. Correct any deficiency before resuming normal
operation of the lifter.
T
O
T
ILT THE
L
OAD
WARNING: Make sure load is positioned correctly on lifter (see T
O
A
PPLY
);
unbalanced loads may tilt unexpectedly.
Remember that the load requires more vertical space when tilted
to the upright position, as well as more horizontal space when
tilted to the flat position. Make sure there is sufficient clearance
for the load to tilt without contacting the operator or any nearby
objects. Maintain a firm grip on the control handle to keep the
load under control at all times. Lift upward or press downward
on the control handle to tilt the load as desired, and continue to
apply pressure as necessary to maintain the desired load
orientation. If load size permits, maintain control with the handle
throughout the tilt. For loads with overhang, it may be necessary
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