Wood’s Powr-Grip VL3000L - Manual (Page 15)

Rev 11.0/7-13 13 VL3000: #35161
T
ESTING
S
CHEDULE
Perform these tests when placing the lifter in service initially and each time following a repair or
modification . Correct any deficiency and retest before using the lifter.
Operational Tests
• Perform the V
ACUUM
T
EST
to follow.
• Test all features and functions of the lifter (see OPERATING FEATURES and OPERATION).
Load Test
Prove that the lifter can lift 100% of its Maximum Load Capacity (see SPECIFICATIONS), using an
actual load or an equivalent simulation. 5 Employ the following method to test with an actual
load:
1) Place a test load with appropriate L
OAD
C
HARACTERISTICS
(see INTENDED USE) on a stable
support. Make sure the load is oriented in the upright position. 6
2) Apply the vacuum pads to the load as previously directed.
3) Raise the load a minimal distance, to assure that it is supported by the lifter.
4) Hold the load for 5 minutes. The load must not slip or fall during this time period. If it does,
service the hand cups as directed in their instructions, conduct a V
ACUUM
T
EST
and inspect
each vacuum pad as directed under V
ACUUM
P
AD
M
AINTENANCE
: Inspection (see sections to
follow). Correct any deficiency that is found and retest the lifter.
M
AINTENANCE
S
CHEDULE
Although the lifter does not require maintenance on a routine basis, maintenance must be
performed whenever a deficiency is indicated by routine inspections or tests. Any maintenance
warranted must be performed before resuming normal operation of the lifter.
5
ASME Standard B30.20 requires the lifter to be tested to 125% of its Load Capacity.
6
Flat Lifters are exempt from this requirement.