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Assembly Instructions:
If the crane is improperly assembled, it might malfunction and result in serious personal injuries.
Read this instruction manual in its entirety before assembling the crane; only assemble the crane if you fully
understand both the associated risks and the manufacturer-approved assembly procedure discussed below.
Failure to apply the assembly procedure described in Steps 1-7 that follow constitutes misuse of the product.
ONLY qualified personnel should assemble the crane.
DO NOT modify the crane in any way unless and until you receive written approval from Vestil.
DO NOT use the crane if you notice damage to or deformation of the beam, uprights, or any component of
either of the leg assemblies. Using the crane despite weakness of a structural component could result in crane
collapse.
DO NOT use the crane if any of the hardware (bolts, nuts, clamps, etc.) is damaged; you could sustain serious
injuries if the crane collapses. Contact Vestil to order replacement parts.
DO NOT use the crane if any of the casters is damaged. A damaged caster may cause the crane to tip over
while hoisting or supporting a load.
Modifying the crane in any way without first receiving written approval of the modification from Vestil
automatically voids the limited warranty.
The crane is designed for both indoor and outdoor use. However, it should be sheltered from the weather
when not in use.
Inspect the crane for damage before each use.
Step 1a: Insert the leg weldments into the leg yoke; then secure the legs in place by installing
3
through the
/
in. square nuts welded to the outer surface of the leg tubes.
4
3
/
in. nut
4
welded onto
leg tube
Leg
weldment
[AHSN-6, AHSN-8, and AHSN-10 models only]
Step 1b: Attach cross brace (28-514-246) and cross brace bolt plate (28-514-259) to bottoms of legs; then fasten the
cross brace to the bolt tab with
3
/
in. – 16
8
x 2in. bolt
3
/
in. flat
8
washer
5
3
/
in. – 18 x
/
in.
16
4
bolt
Rev. 1/4/2017
Yoke
3
/
in. hardware.
8
Cross brace
bolt plate
3
/
in. flat
8
washer
3
/
in. – 16 hex nut
8
Copyright 2017 Vestil Manufacturing Corp.
AHSN, MANUAL.doc
3
/
4
3
/
in. – 10 x 1½in. bolt
4
Cross brace
bolt plate
Page 18 of 26
in. – 10 x 1½in. bolts
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