Table 1. Fork Tip Alignment
Fork Tip Alignment Specifications
Standard Fork
Lengths
Maximum Fork Tip
Difference
1
mm
(in.)
mm
(in.)
914
(36)
27
(1.08)
1067
(42)
32
(1.26)
1219
(48)
37
(1.44)
1372
(54)
41
(1.62)
1524
(60)
46
(1.80)
1829
(72)
55
(2.16)
1
Difference of alignment between fork tips must be
no more than 3% of the total fork length.
A.
HEEL OF FORK (MUST BE 90% OF DIMEN-
SION B)
B.
ORIGINAL FORK THICKNESS (DIMENSION B)
1. TIP ALIGNMENT (MUST BE WITHIN 3% OF
FORK LENGTH)
2. CRACKS
3. MAXIMUM ANGLE 93°
4. FORK REMOVAL NOTCH
5. CARRIAGE
Figure 8. Fork Check
3.
Check that the bottom of each fork is not exces-
sively worn.
4.
Check for smooth and proper operation of the
fork lock pins. Repair or replace any damaged
or broken fork lock pins or components and lu-
bricate, as necessary. See Figure 4.
CHECKS, LIFT TRUCKS
MANUFACTURED AFTER AUGUST, 2012
AND EQUIPPED WITH FORK
POSITIONER
WARNING
Never repair damaged forks by heating or weld-
ing. Forks are made of tempered steel using spe-
cial procedures. Always replace damaged forks as
a pair.
1.
Inspect forks for cracks and wear.
2.
Check alignment of fork tips. Difference in
height of fork tips must be less than three per-
cent of fork length. See Table 2 and Figure 9.
Some applications may require closer align-
ment. If forks DO NOT meet specification they
both must be replaced.
3.
Check that the bottom of each fork is not exces-
sively worn.
Table 2. Fork Tip Alignment
Fork Tip Alignment Specifications
Standard Fork
Lengths
Maximum Fork Tip
Difference
1
mm
(in.)
mm
(in.)
1219
(48)
37
(1.44)
1981
(78)
59
(2.32)
1
Difference of alignment between fork tips must be
no more than 3% of the total fork length.
4000 SRM 1148
Fork Replacement
9
Содержание J160
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