3
Introduction
Thank you for choosing Sumner’s GH3/4T Gantry Lift
to meet your material lifting needs. The GH3/4T Gantry
Lift has a load capacity of 3/4 metric tons (750 kg) or
1,650 lbs. Following proper procedures for use and
maintenance of Sumner’s GH3/4T Gantry Lift de-
scribed in this manual will provide you with years of
dependable service.
Gantry Components
Sumner’s GH3/4T Gantry Lift consists of the below
components. Before attempting to assemble Gantry
Lift be certain that all components are available.
• 2 - A-frames
• Cross Beam (3m, 4m, 5m, 8', 10', 12' or 15')
• Trolley
• Attaching hardware (4 bolts, 4 nuts & 8 washers)
Operator Safety Instructions
IMPORTANT
Read and understand this manual
prior to operating or performing main-
tenance on this lift.
1.
ALWAYS
Inspect all equipment prior to use to
make certain it is in proper working order.
2.
NEVER
use unit If any part of equipment appears
damaged or does not assemble properly.
3.
ALWAYS
use only Sumner replacement parts. Any
replacement parts not supplied by Sumner
Manufacturing will severely compromise the
quality and safety designed into this unit as well as
invalidate the warranty.
4. As a precaution,
ALWAYS
wear proper
clothing when operating unit, including hard hat,
work gloves and safety shoes.
5.
ALWAYS
avoid horseplay around equipment, and
keep bystanders at a safe distance. Do not allow
children to operate this unit and always keep them
out of work areas.
6.
NEVER
misuse the unit. Perform only the
functions for which the unit is designed. Never at-
tempt to operate the equipment at more than the
recommended capacity.
7. No riders on unit. This unit was designed for
material lifting purposes ONLY and is not designed
to function as a personnel lift or carrier.
8.
NEVER
stand under an elevated load.
9.
NEVER
exceed rated load capacity.
10.
NEVER
operate during high winds or electrical
storms.
11.
NEVER
use Gantry lift to support ladders or other
climbing devices.
12. When possible
ALWAYS
move loads by moving
the trolley on the Gantry cross beam while the lift
is stationary with all casters locked.
13. It is not recommended to move the Gantry lift with
a load. When moving the Gantry lift with a load
be sure to secure trolley in center of cross beam
to evenly distribute the weight across the unit and
lower load as close to the ground as possible.
Move lift by pushing the Gantry, not the load.
14.
NEVER
leave a load on the Gantry lift
unattended.
15.
ALWAYS
adjust A-frame heights prior to attaching
a load and make certain cross beam is level prior
to attaching a load. See instructions in this manual
on how to adjust A-frame heights.
16.
NEVER
adjust A-frame heights without first
securing trolley to center of cross beam.
17.
ALWAYS
use Gantry lift on a hard, level, smooth
surface that is free of debris and obstructions. Be
certain the surface the Gantry is on can support
the full weight of the intended load.
18.
NEVER
move a fully assembled Gantry lift using a
fork lift or other lifting device.
19.
NEVER
use Gantry lift as an electrical ground.
20.
ALWAYS
ensure load is not secured to the ground
before attempting to lift it.
GH3/4T Gantry Lift Assembly
The following tools are required to properly assemble
the GH3/4T Gantry Lift:
• 1" wrench
• 1" socket wrench
• Ladder
