Maxon MXT-25 User manual

© 2020 MAXON Lift Corp.
M-20-09
REV. A
DECEMBER 2020
To find maintenance & parts information for your MXT-25 or MXT-33 Liftgate, go to
www.maxonlift.com. Click the PRODUCTS, TUK-A-WAY and MXT-25/MXT-33 buttons. Open
the Maintenance Manual in the PRODUCT DOCUMENTATION window. For parts, click on
the PARTS PORTAL, TUK-A-WAY and MXT-25/MXT-33 buttons.
DRAFT 12-15-20

TABLE OF CONTENTS
SUMMARY OF CHANGES: M-20-09, REVISION A............................................................. 4
WARNINGS........................................................................................................................... 5
SAFETY INSTRUCTIONS .................................................................................................... 6
NOTICE................................................................................................................................. 6
STANDARD LIFTGATE COMPONENTS..............................................................................7
MXT-25 & MXT-33 INSTALLATION PARTS BOXES............................................................. 8
MXT-25 & MXT-33 MANUALS & DECALS............................................................................9
VEHICLE REQUIREMENTS............................................................................................... 10
CENTER OF MASS ............................................................................................................ 12
STEP 1 -ATTACH EXTENSION PLATE TO VEHICLE....................................................... 13
BOLT EXTENSION PLATE................................................................................... 13
WELD EXTENSION PLATE (ALTERNATE METHOD)......................................... 16
STEP 2 - WELD LIFTGATE TO VEHICLE .......................................................................... 18
STEP 3 -ATTACH OPTIONAL BATTERY BOX & FRAME TO VEHICLE (IF EQUIPPED). 22
STEP 4 - RUN POWER CABLE.......................................................................................... 30
STEP 5 - CONNECT POWER CABLE................................................................................ 32
STEP 6 - CONNECT GROUND CABLE .............................................................................34
STEP 7 - INSTALL CONTROL SWITCH.............................................................................36
STEP 8 - CHECKING HYDRAULIC FLUID......................................................................... 39
STEP 9 - CONNECT POWER CABLE TO BATTERY......................................................... 41
STEP 10 - REMOVE LOCKING BRACKETS & CHECK FOR INTERFERENCE...............42
STEP 11 - ADJUST PLATFORM OPENER......................................................................... 48
STEP 12 -ADJUST PLATFORM (IF REQUIRED) .............................................................. 49
STEP 13 - FINISH WELDING LIFTGATE TO VEHICLE..................................................... 51
STEP 14 - BOLT OPTIONAL STEPS TO EXTENSION PLATE ......................................... 52
STEP 15 - VEHICLE TAILLIGHT POSITIONING ...............................................................57
ATTACH DECALS: MXT-25 & MXT-33 .............................................................................. 58
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DECALS & PLATES ........................................................................................................... 60
TOUCHUP GALVANIZED FINISH ...................................................................................... 61
SYSTEM DIAGRAMS......................................................................................................... 62
PUMP & MOTOR SOLENOID OPERATION (GRAVITY DOWN)........................................ 62
HYDRAULIC SCHEMATIC (GRAVITY DOWN)................................................................... 63
ELECTRICAL SCHEMATIC (GRAVITY DOWN) ................................................................. 64
PUMP & MOTOR SOLENOID OPERATION (POWER DOWN)..........................................65
HYDRAULIC SCHEMATIC (POWER DOWN) ....................................................................66
ELECTRICAL SCHEMATIC (POWER DOWN)................................................................... 67
PUMP & MOTOR SOLENOID OPERATION WITH MAX ECU MODULE
(GRAVITY DOWN) .............................................................................................................. 68
HYDRAULIC SCHEMATIC WITH MAX ECU MODULE (GRAVITY DOWN).......................69
ELECTRICAL SCHEMATIC WITH MAX ECU MODULE (GRAVITY DOWN)..................... 70
PUMP & MOTOR SOLENOID OPERATION WITH MAX ECU MODULE
(POWER DOWN)................................................................................................................ 71
HYDRAULIC SCHEMATIC WITH MAX ECU MODULE (POWER DOWN) ........................72
ELECTRICAL SCHEMATIC WITH MAX ECU MODULE (POWER DOWN)....................... 73
ELECTRICAL VALUES & TORQUE SPECIFICATIONS..................................................... 74
OPTIONS ........................................................................................................................... 75
OPTIONAL LIFTGATE COMPONENTS.............................................................................. 75
PRE-DELIVERY INSPECTION FORM................................................................................ 77
TABLE OF CONTENTS - Continued
DRAFT 12-15-20

PAGE DESCRIPTION OF CHANGE
COVER Updated REV. and date of release.
10 Changed dimensions for 38” - 46” bed height clearances.
11 Changed dimensions for platform cutout area. Added Note to check with body
manufacturer before modifying rear sill and for best practices to reinforce coutout
areas in rear sill.
12 Changed dimensions for center of mass.
21 Mounting plates are larger and changed shape.
24 Updated instruction to clarify battery box hanger bracket weld on option.
29 Identified ground cable from vehicle battery in FIG. 29-1.
36 Changed driil bit size from #21 drill bit to 5/32” drill bit for drilling 2 holes in vehicle
body vertical post.
47 Added maximum allowable side to side difference is 1/4” across the width of the
platform.
48 Platform opener changed to six holes for adjustment. Updated bolt hole chart.
63, 69 Updated hydraulic schematics for GD. Removed optional PCFC.
65 Added Off Time Delay Module to power down power unit and Table 65-1.
71 Added Off Time Delay Module to power down power unit with MAX ECU Module
and Table 71-1.
64, 67, 70, 73 Added 12 V or 24 V battery to electrical schematics.
67, 73 Added Off Time Delay Module to power down electrical schematics.
77 Updated times to lower/raise platform.
SUMMARY OF CHANGES: M-20-09, REVISION A
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5
Comply with the following WARNINGS and SAFETY INSTRUCTIONS while installing
Liftgates. See Operation Manual for operating safety requirements.
Installing and maintaining a liftgate can expose you to chemicals, including lead, which are known
to the State of California to cause cancer and birth defects or other reproductive harm. To mini-
mize exposure, install and maintain liftgate in a well-ventilated area and wear proper Personal
protective equipment (PPE). For more information go to www.P65Warnings.ca.gov.
WARNING
!
WARNINGS
•Do not stand, or allow obstructions, under the platform when lowering the Liftgate. Be sure your
feet are clear of the Liftgate.
• Keep fingers, hands, arms, legs, and feet clear of moving Liftgate parts (and platform
edges) when operating the Liftgate.
•Make sure vehicle battery power is disconnected while installing Liftgate. Connect vehicle
battery power to the Liftgate only when installation is complete or as required in the installation
instructions.
•If it is necessary to stand on the platform while operating the Liftgate, keep your feet and any
objects clear of the inboard edge of the platform. Your feet or objects on the platform can become
trapped between the platform and the Liftgate extension plate.
•Never perform unauthorized modifications on the Liftgate. Modifications may result in early failure
of the Liftgate and may create hazards for Liftgate operators and maintainers.
• Correctly stow platform when not in use. Extended platforms could create a hazard for
people and vehicles passing by.
WARNING
•Recommended practices for welding on steel parts are contained in the current AWS (American
Welding Society) D1.1 Structural Welding Code - Steel. Damage to Liftgate and/or vehicle, and
personal injury can result from welds that are done incorrectly.
!
•Recommended practices for welding galvanized steel are contained in the current AWS (Ameri-
can Welding Society) D19.0 Welding Zinc-Coated Steel. Damage to Liftgate and/or vehicle, and
personal injury can result from welds that are done incorrectly.
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NOTICE NOTICE
SAFETY INSTRUCTIONS
SAFETY INSTRUCTIONS
•Comply with all WARNING and instruction decals attached to the Liftgate.
•Keep decals clean and legible. If decals are illegible or missing, replace them. Free replacement
decals are available from Maxon Customer Service.
•Consider the safety and location of bystanders and location of nearby objects when operating the
Liftgate. Stand to one side of the platform while operating the Liftgate.
•Wear appropriate safety equipment such as protective eyeglasses, faceshield and clothing while
performing maintenance on the Liftgate and handling the battery. Debris from drilling and contact
with battery acid may injure unprotected eyes and skin.
•Do not allow untrained persons to operate the Liftgate.
•Be careful working by an automotive type battery. Make sure the work area is well ventilated and
there are no flames or sparks near the battery. Never lay objects on the battery that can short the
terminals together. If battery acid gets in your eyes, immediately seek first aid. If acid gets on your
skin, immediately wash it off with soap and water.
•If an emergency situation arises (vehicle or Liftgate) while operating the Liftgate, release the con-
trol switch to stop the Liftgate.
•Read and understand the instructions in this Installation Manual before installing Liftgate.
•Before operating the Liftgate, read and understand the operating instructions in Operation
Manual.
•A correctly installed Liftgate operates smoothly and reasonably quiet. The only noticeable noise
during operation comes from the power unit while the platform is raised and lowered. Listen for
scraping, grating and binding noises and correct the problem before continuing to operate Liftgate.
•Maxon Lift is responsible for the instructions to correctly install MAXON Liftgates on
trucks or trailers only.
•Liftgate installers, not Maxon Lift, are responsible for reviewing and complying with all
applicable Federal, State, and Local regulations pertaining to the trailer or truck.
•Installers of the liftgate should ensure that all trucks and trailers are equipped with grab
handles as needed. Refer to Technology Maintenance Council (TMC) RP 1428: Entry
and Egress Guidelines for Vehicles With Fold-Under Type Liftgates.
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STANDARD LIFTGATE COMPONENTS
CAUTION
LIFTGATE COMPONENTS
FIG. 7-1
!
NOTE: Make sure you have all components and parts before you start installing Liftgate.
Compare parts in the part box and each kit box with packing list enclosed in each
box. If parts and components are missing or incorrect, call:
Maxon Customer Service
Call [phone] or
Send e-mail to [email protected]
Unpacking the Liftgate on unlevel surface may allow heavy components to slide off
when shipping bands are cut. Injury and equipment damage could result. Before
the shipping bands are cut, put Liftgate on level asphalt, concrete or compacted
dirt surface that will support 1500 lb. When unpacking the Liftgate, remove heavy
components carefully to avoid injury and damage.
EXTENSION PLATE
MXT-25 OR MXT-33 LIFTGATE
DUAL STEP KIT
PARTS BOX B
PARTS BOX A OR C
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8
MXT-25 & MXT-33 INSTALLATION PARTS BOXES
CONTENTS OF PARTS BOX A
TABLE 8-1
ITEM NOMENCLATURE OR DESCRIPTION QTY. PART NUMBER
REF PARTS BOX A 1 297502-01
1SPRING CLIP 10 050079
2PLASTIC TIE, 12-14” 2 206864
3#10 LOOM CLAMP 2 801681
4SCREW TAPPING #10 X 1/2” LG. 2 030458
5CABLE ASSEMBLY, 2 GA, 48” LG. 1 251871-26
6CABLE ASSEMBLY, 175 AMPS, 38’ LG. 1 264422
7CAP SCREW, 5/16”-18 X 3/4” LG, GR8 1 900009-3
8CABLE ASSEMBLY, 2 GA, 49-3/4” LG 1 268226-11
ITEM NOMENCLATURE OR DESCRIPTION QTY. PART NUMBER
REF PARTS BOX C 1 297502-02
1SPRING CLIP 20 050079
2PLASTIC TIE, 12-14” 4 206864
3GROMMET, 1” DIAMETER, 2 HOLES 1 266428-09
4CABLE ASSEMBLY, 175 AMP 38’ LG. 1 264422
5GROUND CABLE ASSEMBLY, 2 GA X 38’ LG. 1 269191-01
6SCREW TAPPING #10 X 1/2” LG. 2 030458
7#10 LOOM CLAMP 2 801681
8CAP SCREW, 5/16”-18 X 3/4” LG, GR8 1 900009-3
9CABLE ASSEMBLY, 2 GA, 49-3/4” LG 1 268226-11
CONTENTS OF PARTS BOX B
TABLE 8-2
CONTENTS OF PARTS BOX C
TABLE 8-3
ITEM NOMENCLATURE OR DESCRIPTION QTY. PART NUMBER
REF PARTS BOX B 1 297049-01
1TOGGLE SWITCH ASSEMBLY 1 296855-01
2HEX NUT, 1/2”-13 2 901011-9
3HEX HEAD CAP SCREW, 1/2”-13 X 1-1/2” LG. 2 900035-3
4INSTALLATION BRACKET 2 269462-01
5SCREW, SELF TAPPING, #10-24 X 1-1/2” LG. 2 900057-7
6LUG, 2 GA COPPER 1 906497-02
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MXT-25 & MXT-33 MANUALS & DECALS
ITEM NOMENCLATURE OR DESCRIPTION QTY. PART NUMBER
REF MXT-25 MANUAL & DECAL KIT 1 283770-01
1INSTALLATION MANUAL 1 M-20-09
2OPERATION MANUAL 1 M-20-10
3DECALS (SEE DECAL PAGES IN THIS MANUAL) 1
220382
285800-05
299038-01
282522-01
282847-02
298634-01
299348-09
MXT-25 STANDARD KIT
TABLE 9-1
To find maintenance and parts information for your MXT-25 or MXT-33 Liftgate, go
to www.maxonlift.com. Click the PRODUCTS, TUK-A-WAY and MXT-25/MXT-33 but-
tons. Open the Maintenance Manual in the PRODUCT DOCUMENTATION window.
For parts, click on the PARTS PORTAL, TUK-A-WAY and MXT-25/MXT-33 buttons.
ITEM NOMENCLATURE OR DESCRIPTION QTY. PART NUMBER
REF MXT-33 MANUAL & DECAL KIT 1 283770-02
1INSTALLATION MANUAL 1 M-20-09
2OPERATION MANUAL 1 M-20-10
3DECALS (SEE DECAL PAGES IN THIS MANUAL) 1
220388-02
285800-05
299038-01
282522-01
282847-02
298634-01
299348-09
MXT-33 STANDARD KIT
TABLE 9-2
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1. Check for correct clearances on vehicle (FIGS. 10-1 and 10-1A)
to prevent interference between vehicle and Liftgate.
VEHICLE REQUIREMENTS
NOTE: Make sure vehicle is parked on level ground while preparing vehicle and
installing Liftgate.
NOTE: Dimensions are provided as reference for fitting Liftgate to vehicle body.
NOTE: Maximum and Minimum Operating Bed Height for Standard Platforms:
• Maximum bed height for MXT-25 and MXT-33 Liftgates on low bed vehicles is 46”
(unloaded). Minimum bed height on low bed vehicles is 38” (loaded).
See MXT-25
and MXT-33 LOW BED CLEARANCES, FIGS. 10-1 and 10-1A.
• If swing door latches interfere with fit of extension plate, do not install this Liftgate
on vehicle bodies equipped with swing open doors.
MXT-25 & MXT-33 LOW BED CLEARANCES
(46” TO 38” BED HEIGHT)
FIG. 10-1
46” TO 38” BED HEIGHT (ALL PLATFORMS)
13” 40-11/16”
21-7/8”
10-7/8”
30-1/2”
10-7/8” TO 18-7/8”
FIG. 10-1A
INSTALLATION
BRACKET
3/4”
29-1/2”
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VEHICLE REQUIREMENTS - Continued
• To prevent platform from being damaged, make sure vehicle frame is cut cor-
rectly. If the cutouts are incorrect, platform may hit vehicle frame or underbody
when stowing the Liftgate.
CAUTION
NOTE: The platform cutout area shown below applies to trucks. If the rear sill dimen-
sion is taller than 5”, it may need to be modified. Check with body manufac-
turer before modifying the rear sill and for best practices to reinforce cutout
areas in the rear sill.
• Installer is responsible for ensuring that vehicle body and frame modifications
do not adversely affect the integrity of the body and frame.
NOTE: The dimensions, shown in the illustration below, are maximums except as
indicated.
2. Fit the Liftgate to vehicle body by cutting vehicle
frame as shown in FIG. 11-1.
VEHICLE FRAME CUTOUT FOR PLATFORM CLEARANCE
(46” TO 38” BED HEIGHT)
FIG. 11-1
TRUCK
BODY REAR SILL BODY FLOOR
BODY CROSS MEMBERS
PLATFORM CLEARANCE
CUTOUT AREA
(WITHIN DASHED LINES) TRUCK
FRAME
17”
5”
8”
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CENTER OF MASS
MXT-25 & MXT-33 CENTER OF MASS
(ALUMINUM PLATFORM, STOWED POSITION)
FIG. 12-1
CENTER
OF MASS
20-15/16”
MXT-25 & MXT-33 CENTER OF MASS
(STEEL PLATFORM, STOWED POSITION)
FIG. 12-2
CENTER
OF MASS
20-11/16”
12-11/16”
12-7/16”
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STEP 1 - ATTACH EXTENSION PLATE TO VEHICLE
1. Mark and drill holes into rear sill as shown in FIGS. 13-1 and 14-1.
REAR SILL - HOLE LOCATIONS FOR 96” WIDE VEHICLE
FIG. 13-1
BOLT EXTENSION PLATE
USE 9/16” DRILL
(19 PLACES)
1-1/4”
3-1/8”
REAR
SILL
1-1/2”
19”
24”
14”
34”
41”
48”
55
62”
72”
77”
82”
94-1/2”
96”
6-1/2” 6-1/2”
NOTE: MXT-25 & MXT-33 Liftgate extension plate comes with bolt holes so it can
be bolted to vehicle body with optional bolt kit. GRADE 8 bolts are re-
quired. MAXON recommends getting the optional extension plate hardware
kit listed in OPTIONS section. Vehicle body must be drilled according to
instructions. Extension plate may also be welded to vehicle body. Do the fol-
lowing bolting or welding instructions for the extension plate.
CAUTION
To preserve the corrosion-resistant properties of the galvanized finish,
MAXON recommends bolting the galvanized extension plate to vehicle.
CAUTION
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REAR SILL - HOLE LOCATIONS FOR 102” WIDE VEHICLE
FIG. 14-1
STEP 1 - ATTACH EXTENSION PLATE TO VEHICLE -
Continued
1-1/4”
1-1/2”
27”
37”
44”
51”
58”
65”
75”
80”
85”
95-1/2”
100-1/2”
102”
22”
17”
REAR
SILL
USE 9/16” DRILL
(19 PLACES)
6-1/2” 6-1/2”
3-1/8”
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2. Bolt extension plate to vehicle as shown in FIG. 15-1. If necessary, reposition extension
plate so top surface is flush with top surface of sill. Then, torque bolts and lock nuts to
105 +/-20 lb-ft.
BOLTING EXTENSION PLATE (96” WIDE EXTENSION PLATE SHOWN)
FIG. 15-1
STEP 1 - ATTACH EXTENSION PLATE TO VEHICLE -
Continued
VEHICLE
BODY
EXTENSION
PLATE
BOLTS
(KIT ITEMS)
3/16” 3/16”
NOTE: An optional 102” wide extension kit is available for 102” wide vehicles.
WRAP WELD
HORIZONTAL
2” MIN/ 6” MAX
WRAP WELD
HORIZONTAL
2” MIN/ 6” MAX
TEARDROP
LOCK NUTS
(KIT ITEMS)
WRAP WELD AROUND END
OF EXTENSION PLATE
NOTE: Do not tighten extension plate bolts and lock nuts until:
• All the bolts and lock nuts are in place.
• Mating surfaces of extension plate and rear sill are made flat as possible.
• Top of extension plate is flush with top of rear sill.
CAUTION
The mating surface between the bolt-on extension plate and vehicle rear sill
must be as flat as possible. Interference between the mating surfaces could
result in a distorted top surface of extension plate when all the bolts are
tightened. Distorted extension plate can also make the dual steps difficult to
install correctly. Remove interference or shim rear sill to eliminate or reduce
the possibility of a distorted extension plate.
CAUTION
NOTE: Weld the LH and RH ends of the extension plate to vehicle body as shown
in FIG. 15-1 if any of the following conditions apply.
• Bolt holes are not accessible on the corner posts of the vehicle body.
• Liftgate will be used for dock loading applications.
• As required by body/trailer manufacturer
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1. Center the extension plate on vehicle body. Before welding extension plate to vehicle
body, make sure top surface of extension plate is flush with floor of vehicle body.
Weld the extension plate to vehicle body sill as shown in FIGS. 16-1 and 17-1.
EXTENSION PLATE WELDS - VIEWED FROM ABOVE
FIG. 16-1
STEP 1 - ATTACH EXTENSION PLATE TO VEHICLE -
Continued
WELD LENGTH & SPACE:
2” - 11 3/4” (96” WIDE
VEHICLE)
2” - 12 1/2” (102” WIDE
VEHICLE)
3/16”
3/16”
EXTENSION
PLATE
VEHICLE
BODY
WELD EXTENSION PLATE (ALTERNATE METHOD)
3/16”
NOTE: Before welding extension plate to vehicle body, make sure:
• Inboard edge of extension plate is flush with the top of sill on vehicle body.
• Top surface of extension plate is level with the ground.
To protect the original paint system if equipped, a 3” wide area of paint must
be removed from all sides of the weld area before welding.
CAUTION
To preserve the corrosion-resistant properties of the galvanized finish,
MAXON recommends bolting the galvanized extension plate to vehicle.
CAUTION
NOTE: For welding galvanized steel, refer to recommended practices as outlined in
AWS (American Welding Society) D19.0 Welding Zinc-Coated Steel.
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BOLTING ON INSTALLATION BRACKETS
FIG. 17-2
2. Bolt 2 installation brackets (parts box items) on the extension plate as shown in
FIG. 17-2.Tighten hex nuts securely.
BRACKET
(2 PLACES) EXTENSION
PLATE
CAP SCREW
1/2”-13 X 1-1/2” LG.
(2 PLACES)
FLAT WASHER
1/2”-13
(2 PLACES)
HEX NUT
1/2”-13
(2 PLACES)
NOTE: During installation of Liftgate, installation brackets keep the heel of the
platform level with extension plate and maintain a ¾” gap between exten-
sion plate and heel of platform. Make sure dowel on installation brackets is
pushed snug against extension plate when tightening screws. The exten-
sion plate has bolt holes for bolting on the installation brackets provided in
parts box.
STEP 1 - ATTACH EXTENSION PLATE TO VEHICLE -
Continued
EXTENSION PLATE WELDS - VIEWED FROM UNDERNEATH
FIG. 17-1
VEHICLE
BODY
3/16” WELD LENGTH & SPACE:
2” - 11 3/4” (96” WIDE VEHICLE)
2” - 12 1/2” (102” WIDE VEHICLE)
EXTENSION
PLATE
DOWEL
DOWEL
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BOLT-ON MOUNTING PLATES 34-1/4”
(34” CHASSIS)
FIG. 18-1
34-1/4”
BOLT-ON MOUNTING PLATES 33-3/4”
(33-1/2” CHASSIS)
FIG. 18-2
STEP 2 - WELD LIFTGATE TO VEHICLE
NOTE: MXT-25 and MXT-33 Liftgates are equipped with mounting plates
installed at the factory. Mounting plate widths are shown based upon
truck frame widths. Ensure you have the correct mounting plate kit for
your application.
If it’s necessary to unbolt mounting plates from main frame (FIG. 18-1
& FIG. 18-2), torque mounting plate nuts and bolts 220-240 lb-ft.
33-3/4”
BOLT & LOCK NUT
(6 PLACES)
NOTE:
BOLT & LOCK NUT
(6 PLACES)
BOLT & LOCK NUT
(6 PLACES) BOLT & LOCK NUT
(6 PLACES)
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1. Unfold the platform and flipover (FIG. 19-1).
PLATFORM & FLIPOVER UNFOLDED
FIG. 19-1
FLIPOVER
(UNFOLDED)
PLATFORM
(UNFOLDED)
STEP 2 - WELD LIFTGATE TO VEHICLE - Continued
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2. Make sure hoist is
set up the correct
way (FIG. 20-1).
Place a “C”-clamp
on each side of
platform as shown
in FIG. 20-1.
(Clamps prevent
hoist chain from
slipping off platform.)
Place chain all around
platform (FIG. 20-1).
INCORRECT WAY TO HOIST LIFTGATE
FIG. 20-2
To prevent damage to the flipover, NEVER hoist the Liftgate by the flipover as
shown in FIG. 20-2. Hoist the Liftgate by the platform only as shown in
FIG. 20-1.
CAUTION
3. Hoist the Liftgate.
Then, place floor jack
under main frame
(FIG. 20-1). Jack the
Liftgate into position.
Make sure vehicle
floor is horizontal,
pins are lined up, and
that the platform is
pushed tight against
dowels of the installa-
tion brackets
(FIG. 20-1).
!
STEP 2 - WELD LIFTGATE TO VEHICLE - Continued
FLIPOVER
HOIST CHAIN
CORRECT WAY TO HOIST LIFTGATE
FIG. 20-1
HOIST CHAIN
PLATFORM VEHICLE
FLOOR
DRAFT 12-15-20