S-Fok-4-AT manual 07/19/11
Maintenance & Inspections:
A designated person must verify that the S-Fork complies with all regulations, codes, and standards that apply to hoisting
devices in the location where it is used. A person designated to conduct inspections by your employer must do so before
the S-Fork is used for the first time and prior to EACH
use thereafter.
Inspections:
DO NOT use an S-Fork that is structurally damaged. Structural damage includes, but is not limited to,
bending, warping, cracking or other deformation of one or more of the following components: shackle; tension arm
weldment; or fork tube weldment (see FIG. 1, p. 3). Restore the S-Fork to normal operating condition BEFORE using it
again.
Inspections Before & During EVERY lift
: visual examination must be performed by the operator prior to AND during each
lift. In particular, the operator should:
1. Inspect for and remove all debris on load surfaces of the load hook, especially debris that might interfere with
or prevent the S-Fork from adequately engaging the load; AND
2. Inspect the S-Fork to confirm that all parts are in normal operating condition.
Frequent Inspections
: maintenance personnel or other designated person(s) should visually inspect the S-Fork at least
once per month for:
1. Deformations, cracks, or excessive wear of any
part of the S-Fork, including nuts, bolts, or washers. To
inspect the load hook, follow the recommendations of ASME B30.10-2005;
2. Loose or missing fasteners;
3. Excessive wear and tear to the safety strap or snap hook (at the free end of the strap).
Maintenance: the end-user must implement a maintenance program to ensure the proper function and safety of the S-
Fork. A qualified person may, OF COURSE, establish a program used in preference to the maintenance procedures
described below. However, if you apply the procedure that follows, complete EVERY step each
time maintenance is
performed.
ONLY qualified persons should perform maintenance on the S-Fork. A qualified person is someone “who,
by possession of a recognized degree in an applicable field or certificate of professional training, and experience, has
successfully demonstrated the ability to solve or resolve problems relating to the subject matter [S-Fork] and work [use of
the S-Fork].” See ASME B30.16-2003, Section 16-0.2, p. 1.
Step 1
: Disconnect the S-Fork from the forklift and tag it, “Out of Service.”
Step 2
: Perform all adjustments indicated as necessary during any inspection (“Before & During Every Lift” or
“Frequent”).
Step 3: If conditions exist that require replacement parts to repair, contact the manufacturer to order replacement
parts. Deformity, cracks, corrosion, rusting, or excessive
wear of structural members warrants immediate
replacement.
The reader should understand the significant difference between “Adjustments” or “Repairs,” and
“Modifications”.
An adjustment or repair refers to a simple correction that restores the S-Fork to normal operating condition, such as
tightening loose fasteners, or removing debris from the surface of the device.
DO NOT use the S-Fork if adjustments and/or repairs are incomplete! Return the S-fork to service ONLY after finishing all
necessary repairs and adjustments.
A modification is a change that alters the S-Fork from normal operating condition, like bending the structural
members. NEVER modify the S-Fork. Modifications may render the device unsafe to use.
Step 5
: Perform a periodic inspection.
Step 6
: Make a dated record of the repairs, adjustments and/or replacements made.
Page 5 of 7
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yright 2011 Vestil Manufacturing Corp.
(12 pages)
(8 pages)
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