Rev 4.0/2-21
P1-DC3: #35123AUS
15
•
1A
1B
Green
range (> 16" Hg [-54
kPa]): Vacuum level is sufficient
to lift the maximum load weight
(fig. 1A).
• Red
range (< 16" Hg [-54 kPa]):
Vacuum level is
not
sufficient to
lift the maximum load weight
(fig. 1B).
1
If it takes more than 5 seconds for the
vacuum level to reach 5" Hg [-17 kPa]
on either vacuum gauge, press on any
vacuum pad that has not yet sealed.
Once the pads have sealed, the lifter should be able to maintain sufficient vacuum for lifting,
except when used above the maximum Operating Elevation.
2
If it does not, perform the
“Vacuum Test”
.
1..... The gauge face colors do not correspond with the circuit colors.
2..... If the lifter is used above the maximum Operating Elevation (see “SPECIFICATIONS”), it may not be able to maintain sufficient vacuum for lifting.
Contact WPG for more information.
OPERATION
Reading the Vacuum Gauges
The 2 vacuum gauges of the dual vacuum system show the current vacuum level in positive
inches of Hg and negative kPa:
Содержание P110C04DC3
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