P1-02DC3: #35122
Rev 1.1/1-20
28
MAINTENANCE
V
ACUUM
P
AD
M
AINTENANCE
Pad-to-Load Friction Coefficient
The friction coefficient represents the lifter's ability to resist load slippage.
1
The
Maximum Load Capacity is based on a friction coefficient of 1, as determined by testing of
clean, new, standard rubber vacuum pads on clean, dry, regular glass.
If the lifter is used under
any other conditions, a qualified person must first determine the effective lifting capacity.
2
Long-term exposure to heat, chemicals or UV light can reduce the friction coefficient of vacuum
pads. Replace pads every 2 years or more often, when necessary.
Pad Inspection
1A
Inspect each vacuum pad (fig. 1A) according to
the “I
” on page 24 and
correct the following faults before using the
lifter (see “REPLACEMENT PARTS”, when
applicable):
• Contaminates on the face (item 1 in fig.
1A) or sealing edges (item 2 in fig. 1A).
• Filter screen (item 3 in fig. 1A) missing
from face.
• Nicks, cuts or abrasions in sealing edges.
Replace any pad that has damaged
sealing edges.
• Wear, stiffness or glaze.
1..... Not applicable to Flat Lifters.
2..... A “qualified person” has successfully demonstrated the ability to solve problems relating to the subject matter and work, either by possessing a
recognized degree in an applicable field or a certificate of professional standing, or by possessing extensive knowledge, training and experience.
Содержание P110C02DC3
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