Maxon GPT-25 Manuale utente
M-13-10
REV. A
JANUARY 2014
OPERATION MANUAL
GPT-25, GPT-3, GPT-4, GPT-5; GPTWR-25, GPTWR-3, GPTWR-4
& GPTWR-5
© MAXON Lift Corp. 2014
TABLE OF CONTENTS
WARNINGS............................................................................. 4
LIFTGATE TERMINOLOGY .................................................... 5
RECOMMENDED DAILY OPERATION CHECKS.................. 6
DECALS (GPT MODELS) ....................................................... 8
DECALS (GPTWR MODELS) ................................................. 10
FORKLIFT ADVISORY............................................................ 12
ROADSIDE OPERATION ADVISORY.................................... 13
OPERATION ........................................................................... 14
USING CART STOPS (IF EQUIPPED) ................................... 22
4
1. Incorrect operation of this Liftgate can result in serious personal
injury. Comply with WARNINGS and Liftgate operating instructions
in this manual. Do not allow untrained persons or children to operate
the Liftgate. If you need to replace an Operation Manual, additional
copies are available from:
MAXON Lift Corp.
11921 Slauson Ave
Santa Fe Springs, CA 90670
(800) 227-4116
WARNING
!
NOTE: For latest version manuals (and replacements), down-
load manuals from Maxon’s website at www.maxonlift.com.
2. Do not exceed rated load capacity of the Liftgates, which is
2500 lbs. for the GPT-25 & GPTWR-25, 3000 lbs. for the GPT-3 &
GPTWR-3,4000 lbs. for the GPT-4 & GPTWR-4,& 5000 lbs. for
the GPT-5 & GPTWR-5.
4. Consider the safety and location of bystanders and
location of nearby objects when operating the Liftgate. Stand
to one side of platform while operating the Liftgate. Be certain
that the area the Liftgate will move through during operation
is clear of all obstacles.
5. Comply with all attached instruction decals and warning decals.
11. Above all, USE GOOD COMMON SENSE when operating the
Liftgate.
8. Do not move vehicle unless Liftgate is correctly stowed.
6. Keep decals clean and legible. If decals are illegible or missing,
have them replaced. Get free replacement decals from Maxon.
7. Never drive a forklift on the Liftgate platform.
10. A correctly installed Liftgate will operate smoothly and reasonably
quiet. The only noticeable noise, during Liftgate operation, is from
the power unit while the platform is raised. Listen for scraping,
grating and binding noises and have the problem corrected
before continuing to operate the Liftgate.
9. Correctly stow platform when not in use. Extended platforms
could create a hazard for people and vehicles passing by.
12. Never use a cell phone while operating the Liftgate.
3. Do not allow any part of your body to be placed under, within, or
around any portion of the moving Liftgate or its mechanisms, or in
a position that would trap them between the platform and the floor
of truck body (or between platform and the ground) when Liftgate is
operating.
WARNINGS
5
LIFTGATE TERMINOLOGY
WEDGE FLIPOVER LIFT ARM
TORSION
SPRING
PLATFORM
PARALLEL
ARM MAIN
FRAME
PUMP ASSY
(COVER IS
SHOWN)
CONTROL
SWITCH
PLATFORM
OPENER
LICENSE PLATE
BRACKET
EXTENSION PLATE
(GPT MODEL
SHOWN)
LIFT
CYLINDER
DUAL
STEP
BUMPER
6
RECOMMENDED DAILY OPERATION CHECKS
Make sure battery is fully charged and battery terminal connections are
clean and tight.
Visually check that pump cover is bolted on securely and undamaged.
Look for hydraulic fluid leaking from the pump box.
Before operating the Liftgate, the operator should do the following:
Visually check that control switch is in place and undamaged.
Use the operation instructions in this manual to lower the Liftgate to
the ground and open the platform and flipover.
Check main frame, lift arms, parallel arms and platform openers for
cracks and bends. Make sure rollers, on the platform openers, roll
freely. Also, make sure all bolts and pins are in place and undamaged.
Visually check for cracks and bends on the extension plate. Also, make
sure fasteners are in place and undamaged and extension plate is
clean (no oil, debris, or corrosion).
Check the hydraulic cylinders for leaking seals and hose connections.
Follow the hydraulic hoses (or return lines for gravity down Liftgates)
from the cylinders to pump box. Make sure all hoses are connected at
both ends and there are no cracks, chafing, and fluid leaks.
Make sure main frame, lift arms, parallel arms and platform openers
are clean (no oil, debris, or corrosion).
Visually check that all decals are in place (see DECALS page). Make
sure decals are legible, clean, and undamaged.
NOTE: Before you check the Liftgate, park vehicle on flat ground
and set the parking brake.
NOTE: If any of the following operation checks reveal a need to
service or repair Liftgate, do not operate the Liftgate until a
qualified mechanic services or repairs the Liftgate.
Make sure cab cutoff switch is ON, if equipped.
7
Check the platform and flipover for cracks, holes, and bends on the
load-carrying surface and side plates. Also, make sure torsion bars,
coil springs, and fasteners are in place and undamaged.
Make sure platform and flipover load-carrying surfaces are clean (no
oil, debris, or corrosion).
Use the operation instructions in this manual to operate the Liftgate
through one cycle without a load on the platform. Raise the platform
to vehicle bed height. Next, lower the platform to ground level.
When the Liftgate is moving, listen for unusual noises and look for a
“jerking” motion or uneven movement on either side of the platform.
If service or repairs are not required (or if completed), stow the Lift-
gate.
With the platform unfolded
and raised to bed level,
check if the outboard
edge of platform is level
or rises up to 1” above
bed level (YES illustra-
tion). If the outboard
edge of platform looks
like the YES illustration,
you can operate Liftgate.
If the outboard edge of
platform is below level
line and platform looks
like the NO illustra-
tion, do not operate the
Liftgate. (See NOTE at
beginning of the DAILY
OPERATION CHECKS.)
YES
NO
LEVEL LINE
OUTBOARD EDGE
0” (LEVEL) - 1” MAX.
VEHICLE
FLOOR (REF)
EXTENSION
PLATE (REF)
LEVEL LINE
VEHICLE
FLOOR (REF)
EXTENSION
PLATE (REF)
8
DECALS (GPT MODELS)
DECAL “C”
DECAL “A”
DECAL “D”
DECAL “E”
DECAL “F”
DECAL “B”
DECAL “G”
DECAL “H” (2 PLACES)
PLATFORM WARNING DECAL
(2 PLACES)
P/N 281189-01 PLATFORM LOADING DECAL
(2 PLACES)
P/N 281326-01
PAINT DECAL
P/N 267338-01
SERIAL PLATE
(REF)
NOTE: Ensure there is no residue, dirt or corrosion
where decals are attached. If necessary,
clean surface before attaching decals.
STOW WARNING DECAL
P/N 282847-02
FAMILY OWNED DECAL
P/N 283445-01
9
DECAL SHEET
FIG. 9-1
DECAL SHEET
TABLE 9-1
(See TABLE 9-1)
MODEL DECAL SHEET P/N DECAL “B”
GPT-25 282848-01 2500 POUNDS
GPT-3 282848-02 3000 POUNDS
GPT-4 282848-03 4000 POUNDS
GPT-5 282848-04 5000 POUNDS
10
DECALS (GPTWR MODELS)
PLATFORM LOADING DECAL
(2 PLACES)
P/N 281326-01
DECAL “H”
DECAL “F”
DECAL “D”
DECAL “E”
DECAL “I”
DECAL “C”
DECAL “B”
DECAL “G”
PLATFORM WARNING DECAL
(2 PLACES)
P/N 281189-01
PAINT DECAL
P/N 267338-01
SERIAL PLATE
P/N 905246-2
DECAL “A”
NOTE: Ensure there is no residue, dirt or corrosion
where decals are attached. If necessary,
clean surface before attaching decals.
STOW WARNING DECAL
P/N 282847-02
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