Related Manuals for Maxon MLA-66
Summary of Contents for Maxon MLA-66
- Page 1 M-22-04 REV. A JUNE 2025 www.maxonlift.com. Click maintenance & parts MLA Liftgate Maintenance Manual i PRODUCTS, LIGHT DUTY & MLA PROD- UCT DOCUMENTATION i click PARTS PORTAL, LIGHT DUTY & © MAXON Lift Corp. 2025...
- Page 2 TABLE OF CONTENTS SUMMARY OF CHANGES: M-22-04 REVISION A .............. 3 WARNINGS ........................... 4 NOTICE ..........................5 VEHICLE REQUIREMENTS ....................6 BODY STRENGTH ........................ 6 LIFTGATE INSTALLATION COMPONENTS ..............10 INSTALLATION & MANUALS KITS ................... 11 STEP 1 - POSITION LIFTGATE ..................12 TACK WELDING LIFTGATE TO BODY..............
- Page 3 SUMMARY OF CHANGES: M-22-04 REVISION A PAGE DESCRIPTION OF CHANGE Cover Updated REV and date of release. Increased quantity (8) of WARNING decal (P/N 212428-01) on WARNINGS, CAUTIONS & INSTRUCTIONS DECAL SHEET (P/N 212428-01). Updated DECALS and PLATES to show SAFETY INSTRUCTIONS DECAL (P/N 212502-01).
- Page 4 WARNING 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 .
- Page 5 Liftgate. NOTICE NOTICE • Maxon Lift is responsible for the instructions to correctly install MAXON Liftgates on trucks only. • Liftgate installers, not Maxon Lift, are responsible for reviewing and complying with all...
- Page 6 FIG. 6-1. Use TABLE 6-1 to determine the forces that apply to your Liftgate. 20-1/2” 54” MAX 36” MIN FIG. 6-1 MODEL CAPACITY MLA-66, 1600 LB 2600 2000 MLA-86, 2000 LB TABLE 6-1...
- Page 7 NOTE: Dimensions are provided as reference for tting Liftgate to body. NOTE: Make sure vehicle is parked on level ground while preparing ve- hicle and installing Liftgate. 1. Check for correct clearances on ve- hicle to prevent interference between vehicle and Liftgate.
- Page 8 INSTALLED LIFTGATE NOTE: If Liftgate columns exceed a 91 degree angle from level ground when installed on body, or if columns cannot be mounted ush against rear of vehicle, a steel ller may be used to bridge gap between vehicle body and Liftgate columns.
- Page 9 . See . Some o set from corner posts is allowed on the inboard side of the columns. Liftgate in stow position ex- tends behind vehicle body as shown in LIFTGATE DIMENSION MLA-66 MLA-86 61-1/2” 81-1/2” 15” “A” OUTSIDE COMPARTMENTS “5-1/4”...
- Page 10 LIFTGATE INSTALLATION COMPONENTS Make sure you have components and parts before you start installing Liftgate. NOTE: 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: LIFTGATE LIGHT KIT PARTS BOX...
- Page 11 SCREW, SELF TAPPING, 1/4”-20 X 5/8” LG. 900705-02 COPPER LUG, 4 GA, 3/8” 907278-01 HEAT SHRINK TUBING, 3/4” X 1-1/2” LG. 253316-04 MAXON 24/7 SUPPORT DECAL 298634-01 GREASE FITTING, 1/4”, SELF-DRILLING 224342 CABLE ASSEMBLY, 2 GA, RED, 5/16”, 3/8” RING, 33” LG. 285506-12...
- Page 12 STEP 1 - POSITION LIFTGATE 1. Unbolt column covers . Retain column covers and fasteners for reuse. 1/4” X 1” LG. COLUMN COVER UNBOLT COLUMN COVERS FIG. 12-1 2. Remove shipping bands from pallet and position liftgate behind truck. Attach hoist inside RH column as shown in FIG.
- Page 13 3. Hoist liftgate, by the column supports, in position on the back of truck body Ensure Liftgate is positioned tightly against truck body and bed frame TRUCK BODY HOIST CHAIN FRAME LH COLUMN HOIST CHAIN RH COLUMN LIFTGATE POSITIONING LIFTGATE ON TRUCK BODY FIG.
- Page 14 TACK WELDING LIFTGATE TO BODY WARNING NOTE: Before welding Liftgate mounting channels to vehicle body, make sure: • Liftgate is centered on the truck body, lip ush with truck oor, and column mounting channels are square and tight against truck body. •...
- Page 15 STEP 2 - RUN POWER & GROUND CABLES CAUTION NOTE: Ensure the lug end of each cable is long enough to reach the power (+) and ground (-) terminal connections on truck battery and Liftgate power unit in main housing, without straining the cable connections. NOTICE 1.
- Page 16 CAUTION NOTE: Before connecting battery cables to 150A circuit breaker, apply a thin coat- ing of dielectric grease to all terminals and lugs. NOTE: For detaled information on electrical connections, refer to SYSTEMS DIA- section in this manual. 4. Cut positive cable to the length required COPPER LUG to reach the AUX terminal of the circuit...
- Page 17 STEP 3 - PREPARING LIFTGATE FOR FINAL WELDING 1. Unbolt the pump cover on the main frame housing HOIST MAIN FRAME HOUSING PUMP COVER UNBOLT PUMP COVER 2. Remove the shipping plug from the hydrualic uid reservoir . Attach breather cap (Kit item) to reservoir SHIPPING PLUG...
- Page 18 STEP 3 - PREPARING LIFTGATE FOR FINAL WELDING - 3. Remove pin clip from the platform latch pin PIN CLIP LATCH PIN FIG. 18-1A REMOVE PLATFORM PIN CLIP FIG. 18-1 WARNING Stand clear of the area where the platform unfolds. While holding the platform with right hand, pull the latch release cable to disengage the RH and LH latch pins and un-...
- Page 19 STEP 3 - PREPARING LIFTGATE FOR FINAL WELDING - WARNING Use control switch to lower platform to the ground Release switch when platform reach- es the ground. LOWERING PLATFORM TO THE GROUND 6. Use control switch to raise platform from the ground to bed height .
- Page 20 STEP 4 - FINISH WELDING LIFTGATE TO VEHICLE WARNING CAUTION CAUTION CAUTION NOTE: If Liftgate mounting channels cannot be mounted ush against rear of vehi- cle, a ller such as tubing, channel, or plate stock may be used to bridge gap between vehicle body and Liftgate columns.
- Page 21 STEP 4 - FINISH WELDING LIFTGATE TO VEHICLE - 2. Weld the Liftgate RH and LH column mounting channels and main frame lip to vehicle body as shown in FIG. 21-1. HOIST 3/16” 2” LG. X 8 ALTERNATE 3/16” 3/16” PLACES 2”...
- Page 22 STEP 4 - FINISH WELDING LIFTGATE TO VEHICLE - 4. Bolt on column covers COLUMN COVER 1/4” X 1” LG. BOLT ON COLUMN COVERS FIG. 22-1 5. Reconnect power to the pump BATTERY CABLE by reconnecting positive BATTERY POST negative cables to battery .
- Page 23 STEP 5 - CHECKING HYDRAULIC FLUID CAUTION CAUTION 1. Unfold and lower platform to the ground . Refer to for detailed operating instructions. PLATFORM OPEN ON THE GROUND FIG. 23-1 2. Check the hydraulic uid level in reservoir as follows. With platform on the ground, level should be as shown in FIG.
- Page 24 RECOMMENDED PART NUMBER BRANDS CHEVRON CHEVRON AV MV32 U.S. PRESTIGE PRESTIGE AW HVI 32 MOBIL OIL MOBIL DTE 10 EXCEL 32 ROSEMEAD ROSEMEAD MV150 TABLE 24-1 CAUTION 4. Bolt on pump cover Torque the 3/8”-16 cover bolts from PUMP COVER BOLT ON PUMP COVER FIG.
- Page 25 STEP 6 - INSTALLING TAILLIGHTS 1. Install rubber grommets (Kit items) into the hous- ing cover openings for the brake and backup tail- lights HOUSING COVER GROMMET INSTALLING TAILLIGHT GROMMETS FIG. 25-1 2. Install four red brake/taillights (Kit items) in the outer two grommets on each side of hous- ing cover .
- Page 26 3. Install license plate light (Kit item) in the hole on the LH side of housing cover as shown in HOUSING FIG. 26-1. COVER LICENSE PLATE LIGHT INSTALLING LICENSE PLATE LIGHT FIG. 26-1 CAUTION 4. Connect the RH stop, turn and taillight and backup taillight pigtails (Kit items) to the taillight pigtail connector on each taillight...
- Page 27 5. Connect the taillights pigtails to the truck taillight harness using butt splices (Kit items) as shown in BUTT SPLICE BLACK WIRE TRUCK TAIL- WIRE LIGHT WIR- WIRE TAILLIGHTS WIRE BACKUP TAILLIGHT WIRE CONNECTING TAILLIGHTS TO TRUCK HARNESS 6. Connect the backup light pigtail to the truck taillight wire as shown in HOUSING COVER...
- Page 28 If necessary, clean surface before replacing decals. CAPACITY DECAL DECAL G DECAL A DECAL H DECAL C DECAL H FAMILY OWNED DECAL P/N 283445-01 FIG. 28-1 MODEL ORDER P/N DECAL “CAPACITY” MLA-66 MLA-86 CAPACITY DECAL PART NUMBERS TABLE 28-1...
- Page 29 P/N 212428-01...
- Page 30 NOTE: Preferred decal layout is shown. Decals on the Liftgate are attached at the factory, except for the 24/7 SUPPORT decal. The 24/7 SUPPORT decal is placed at customer’s or installer’s preference. SAFETY INSTRUCTIONS DECAL P/N 212502-01 MAXON DECAL MLA LIFTGATE FIG. 30-1...
- Page 31 SUPPORT DECAL DECAL F DECAL E DECAL D DECAL B DECAL H QR PARTS DECAL P/N 212431-01 SERIAL PLATE FIG. 31-1 LIFTGATE SUPPORT service is only available in the Continental U.S.
- Page 32 SYSTEM DIAGRAMS PUMP MOTOR & VALVE OPERATION SOLENOID SWITCH LOWERING VALVE MOTOR POWER UNIT FIG. 32-1 POWER UNIT MOTOR & VALVE OPERATION REMOTE VALVE OPERATION LIFTGATE FUNCTION LOWERING SOLENOID MOTOR SWITCH VALVE RAISE LOWER REFER TO VALVES SHOWN ON HYDRAULIC SCHEMATIC TABLE 32-1...
- Page 33 SYSTEM DIAGRAMS ELECTRICAL & HYDRAULIC SCHEMATIC CYLINDER CYLINDER 1.5 GPM 1.5 GPM LOWERING VALVE OUTLET PORT RETURN LINE GREEN FLOW CONTROL VALVE GROUND TRUCK FUSE BATTERY SOLENOID 150 AMP SWITCH GROUND FUSE 10 AMP RESERVOIR WHITE 3-STUD BLOCK CONTROL SWITCH FIG.
- Page 34 This pre-delivery checklist is to aid the installer in con rming the proper installation of this Maxon product. It is not a comprehensive list and does not replace the use of the installation manual. The installer is responsible for following all instructions in the installation manual.
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