Maxon GPSLR Series Manuale utente
© MAXON Lift Corp. 2020
M-08-13
REV. G
APRIL 2020
OPERATION MANUAL
GPSLR-33&GPSLR-44
GPSTLR-33&GPSTLR-44
TABLE OF CONTENTS
SUMMARY OF CHANGES: M-08-13, REVISION H............... 4
WARNINGS............................................................................. 6
LIFTGATE TERMINOLOGY.................................................... 7
RECOMMENDED DAILY OPERATION CHECKS.................. 8
DECALS.................................................................................. 10
FORKLIFT ADVISORY............................................................ 14
ROADSIDE OPERATION ADVISORY.................................... 15
LOADING OR UNLOADING PLATFORM.............................. 24
4
SUMMARY OF CHANGES: M-08-13, REVISION H
PAGE DESCRIPTION OF CHANGE
COVER Updated REV, date of release and cover image.
-Cover image and applicable Illustrations throughout
manual are updated to show new impact-absorbing tubes
on the back of the slider frame.
-This contents of this manual applies only to GPSLR lift-
gates with standard control switches. All information about
SmartStow control equipment was removed.
7Updated terminology to show standard external control
switches.
10,11 Changed Operation decal to latest decal with QR code
and added decal with parts QR code.
12 Added MAXGRIP decal for platforms with knurled surface.
13 Decal H updated to show new retention ramp.
28-30,32,36 Updated section showing new retention ramp operation.
5
THIS PAGE INTENTIONALLY LEFT BLANK
6
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 Liftgate, which is
3300 lbs. for the GPSLR-33 & GPSTLR-33, and 4400 lbs. for
the GPSLR-44 & GPSTLR-44.
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.
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.
12. Never use a cell phone while operating the Liftgate.
WARNINGS
7
LIFTGATE TERMINOLOGY
INTERNAL
CONTROL SWITCH
FRAME
ASSY
POWER
PACK
HYDRAULIC
CYLINDER HYDRAULIC
LOCK
PLATFORM
FLIPOVER
DUAL RETENTION
RAMPS
TILT ARM LIFT ARM
SLIDER ASSEMBLY
(INCLUDES
MAIN BEAM)
PLATFORM
BUFFERS
SAFETY CHAIN
EXTERNAL
CONTROL
SWITCHES
8
RECOMMENDED DAILY OPERATION CHECKS
Before operating the Liftgate, the operator should do the following:
Use the operation instructions in this manual to lower the Liftgate to
the ground and open the platform and flipover.
Check slider assembly, frame assembly, lift arms, and tilt arms for
cracks and bends. Also, make sure all bolts, nuts and pins are in
place and undamaged.
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 slider assembly, frame assembly, lift arms, and tilt arms are
clean (no oil, debris, or corrosion).
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.
Visually check that pump cover is latched closed securely and undam-
aged. Look for hydraulic fluid leaking from the pump box.
Visually check that control switch is in place and undamaged.
Visually check that all decals are in place (see DECAL pages). Also
make sure decals are clean, legible, and undamaged.
Visually check that hydraulic locks are in place and undamaged.
Make sure battery is fully charged and battery terminal connections are
clean and tight.
Make sure cab cutoff switch is ON, if equipped.
Check that safety chain and snap hook are in place on models with no
controller.
9
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 un-
folded and raised to bed
level, check if the platform
is level (YES illustra-
tion). If the platform looks
like the YES illustration,
you can operate Liftgate.
If the 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
LEVEL LINE
10
DECALS
DECAL “B”
DECAL “F”
DECAL “E”
DECAL “C”
SERIAL PLATE (REF)
OPERATION DECAL
P/N 282681-01
CAUTION DECAL
P/N 283989-01
DECAL “A”
FIG. 10-1
CAUTION DECAL
P/N 282683-01
CAUTION DECAL
P/N 282682-01
DECAL
P/N 264507 DECAL
P/N 282721-01
PARTS QR CODE
DECAL
P/N 299349-02
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