Controlling the lifter and load, In case of power failure – Wood’s Powr-Grip PCFT2SA47 User Manual
Page 22

Rev 0.0/11-13
20
P2-DC2: #35114
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 handles
to keep the lifter and load in the desired
orientation while they are suspended from the
crane, as shown. Once sufficient clearance is
established, the load can be rotated or tilted as
desired (see T
O
R
OTATE THE
L
OAD
E
DGEWISE
or T
O
T
ILT THE
L
OAD
to follow).
In Case of Power Failure
In the case of a power failure (ie, in a battery), the vacuum reserve tanks are designed to
maintain vacuum temporarily and a power loss warning buzzer will sound an alarm to alert the
operator of potential danger.
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 (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.