d
e
f
g
h
©
Street
Crane
Co
Ltd
Page
64
of
103
Ref:
D3256
rev.
B
The
sheave
must
also
be
replaced
if
the
radius
in
the
bottom
of
the
groove
has
become
too
large.
The
rope
may
become
flattened
and
distorted
under
load,
thus
resulting
in
premature
failure.
Minor
impressions
of
the
rope
profile
in
the
bottom
of
the
groove
are
acceptable.
Figure
46
‐
Sheave
and
barrel
groove
inspection
Nominal
Rope
Diameter
“d”
(mm)
Minimum
Groove
Diameter
(mm)
Maximum
Groove
Diameter
(mm)
8.0
(ZX6
&
ZX8)
8.4
9.0
13.0
(ZX8)
13.6
14.6
5.9.2
Single
Girder
Wheels
Visually
inspect
the
wheels,
the
guide
rollers
and
the
reaction
roller
for
wear.
When
the
diameter
has
reduced
to
the
value
given
in
the
table
below,
replace
the
wheels
/
roller.
Wheel
Low
Head
Hoist
Reaction
Roller
Guide
Roller
Original
diameter
(mm)
Replacement
diameter
(mm)
Original
diameter
(mm)
Replacement
diameter
(mm)
Original
diameter
(mm)
Replacement
diameter
(mm)
100
<
96
75
<
72
40
<
37
160
<
152
If
a
trolley
wheel
or
roller
needs
replacing,
consult
Street
Crane.
5.9.3
Double
Girder
Crab
Wheels
(Double
Flange)
Visually
inspect
the
wheels
for
wear.
When
the
diameter
has
reduced
to
the
value
given
in
the
table
below,
replace
the
wheels.
Wheel
Flange
Thickness
Original
diameter
(mm)
Replacement
diameter
(mm)
Original
thickness
(mm)
Replacement
thickness
(mm)
125
<
119
10
<
5
160
<
152
10
<
5
200
<
190
18
<
9
If
a
trolley
wheel
needs
replacing,
consult
Street
Crane.
Содержание ZX6
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