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THIEMAN TopLifter TT-15 Manual

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T
OWNERS MANUAL/PARTS LIST
SHOWN WITH OPTIONAL 2 PC. ALUMINUM PLATFORM AND LIGHT KIT
IMPORTANT! KEEP IN VEHICLE!
!
PLEASE READ AND UNDERSTAND THE CONTENTS OF THIS
MANUAL BEFORE OPERATING THE EQUIPMENT.
TM
T H E A S S O C I A T I O N F O R T H E W O R K T R U C K I N D U S T R Y
M E M B E R
L
L
op
Tailgates By THIEMAN
TT-15
HIEMAN
TAILGATES, INC.
600 East Wayne Street
Celina, Ohio 45822
Phone: 419-586-7727 Fax: 419-586-9724
www.thiemantailgates.com
ifTer
ifTer

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Summary of Contents for THIEMAN TopLifter TT-15

  • Page 1 Tailgates By THIEMAN TT-15 OWNERS MANUAL/PARTS LIST SHOWN WITH OPTIONAL 2 PC. ALUMINUM PLATFORM AND LIGHT KIT IMPORTANT! KEEP IN VEHICLE! PLEASE READ AND UNDERSTAND THE CONTENTS OF THIS MANUAL BEFORE OPERATING THE EQUIPMENT. HIEMAN TAILGATES, INC. 600 East Wayne Street...

  • Page 2: Table Of Contents

    . THE FOLLOWING INFORMATION MUST BE INCLUDED: 1 . Serial Number - Thieman liftgate serial numbers can be found on the tag located on the outside of the curb side mounting plate .

  • Page 3: Safety Information And Warnings

    SAFETY INFORMATION This is the safety alert symbol. This manual uses this symbol combined with the Signal Words below, which together, alert you of potential personal injury hazards. Obey all safety messages throughout this manual, including those that follow the Signal Words below, to avoid personal injury or death.
  • Page 4 The numbered list begins below and continues on the following pages. WARNINGS! 1. DO NOT operate this Thieman liftgate without the Owner’s Manual for this model present on the vehicle and without all decals present and legible, as guides for proper liftgate operation and maintenance (see the “Decal Maintenance - Inspection and Location of...
  • Page 5 8. DO NOT use this liftgate to load or unload cargo from any elevated surface such as a dock, sidewalk, raised concrete slab, etc. A truck’s suspension WILL squat under load, and may cause loads to become unstable. Also, this effectively changes the “bed height” of the truck, so the liftgate may not function properly on an elevated surface and may bind and damage the liftgate.
  • Page 6 19. NEVER move vehicle unless platform is properly stowed and power is off. Locking cable curbside pin must have cotter pin installed before transit. An open liftgate on a moving vehicle poses a serious traffic hazard. 20. ALWAYS stow liftgate in transit position when not in use. Liftgates left in their open positions, may create hazards for people and vehicles passing nearby.
  • Page 7 ! WARNING An improperly positioned load can overload the liftgate and result in sudden liftgate failure and/ or increased risks to personnel of being hit or crushed by loads. IMPROPERLY POSITIONED LOADS MAY RESULT IN SERIOUS PERSONAL INJURY AND/OR DEATH. Always position loads properly on the liftgate platform.

  • Page 8: Operating Instructions

    ! WARNING IMPROPER OPERATION OF THIS LIFTGATE MAY RESULT IN SERIOUS PERSONAL INJURY AND/OR DEATH. DO NOT operate this liftgate unless you have been properly instructed and have read and understood the Owner’s Manual and all of its warnings, operating instructions and all decals. OPERATING INSTRUCTIONS 1 .

  • Page 9: Maintenance

    ! WARNING IMPROPER MAINTENANCE OF THIS LIFTGATE MAY RESULT IN SERIOUS PERSONAL INJURY AND/OR DEATH. Never use a liftgate, that has not been properly maintained. Follow all maintenance outlined in this manual, beginning with “Maintenance Guide” thru and including “Decal Maintenance - Inspection and Location of Decals”. MAINTENANCE GUIDE The following inspection and maintenance operations should be performed at the recommended intervals or anytime the liftgate shows signs of abuse, and improper or...
  • Page 10 12 . Check the oil level in the hydraulic reservoir . Release the safety latches and lower the platform to the ground . The oil should be within 1/2 inch from the top of the reservoir . See chart below for oil applications . HYDRAULIC FLUID CHART Temperature Acceptable...

  • Page 11: Semi-Annual Inspection And Maintenance

    SEMI-ANNUAL INSPECTION 1 . Perform the procedures outlined in the “Monthly Inspection and Maintenance .” 2 . Repaint original painted components as necessary to prevent rust and corrosion from reducing structural integrity of original components . 3 . Inspect pump motor by: A .

  • Page 12: Decal Maintenance - Inspection And Location Of Decals

    Capacity Decal-1000# 4650050 Capacity Decal-1250# 4650060 Capacity Decal-1500# 4650070 Warning Decal 4681 Caution Decal-Working Area 4650770 Reflector (2) 5705 Thieman Nameplate 4650801 Hazard Marking Tape-Pivot 5760-002 Hazard Marking Tape-Frame 5760-003 Wiring Decal (Back of Cover) 4612 Warning Decal-High Pressure 4620 12 .

  • Page 13: Pump & Cylinder Assembly

    PUMP & CYLINDER ASSEMBLY Item Part Number Description Qty ./Model 4400871 Pump Asm-Items 2-5 4423520 Motor 8111 4420409 Breather 4468 Solenoid 4918 .38M- .25F Reducer 4293 Cylinder Asm 4932-001 Tee MJ-MJ-MAORB 4350 Battery Lug 4300030 Battery Cable #2 x 25' 4951-007 Hose 41 .00 4921-011...

  • Page 14: Undercarriage For Non-Torsion Assist Platforms

    TT15 - UNDERCARRIAGE FOR PLATFORMS WITH NO TORSION ASSIST Platform Width Item Part Number Description 31638-001 Frame Weld – For All Other Platforms 31638-002 Frame Weld – For All Other Platforms 31638-003 Frame Weld – For All Other Platforms 31638-004 Frame Weld –...
  • Page 15 15 .

  • Page 16: 26" Deep Steel Deckplate Non-Torsion Assist Platforms

    STEEL DECKPLATE PLATFORMS WITH NO TORSION ASSIST Platform Width Item Part Number Description 3435-001 Platform Weld - 1 PC . 26" Deep, Incl . Item 2 3435-002 Platform Weld - 1 PC . 26" Deep, Incl . Item 2 3435-003 Platform Weld - 1 PC .

  • Page 17: Aluminum Extrusion Non-Torsion Assist Platforms

    ALUMINUM EXTRUSION PLATFORMS WITH NO TORSION ASSIST Platform Width Item Part Number Description 3430-004 Platform Weld - 1 PC . 26" Deep, Incl . Item 2 3430-005 Platform Weld - 1 PC . 26" Deep, Incl . Item 2 3430-006 Platform Weld - 1 PC .

  • Page 18: Torsion Assist Platform Asm

    TT15 - STEEL 42.00" DEEP PLATFORMS WITH TORSION ASSIST Platform Width Item Part Number Description 31638-001 Frame Weld 31638-002 Frame Weld 31638-003 Frame Weld 31638-004 Frame Weld 3441-001 Platform Weld – 2PC . 42” Deep, Incl . Items 11,46,47 3441-002 Platform Weld –...
  • Page 19 TT15 - STEEL 42.00" DEEP PLATFORMS WITH TORSION ASSIST - CONTINUED Platform Width Item Part Number Description 8103-022 Locknut .25 31003 Adjustment Bracket – LH Pivot Support Weld to Platform 5702270 Plastic Square Nut 5702280 Screw 4300550 License Plate Light 8104-010 Screw - .31 x 1 .00 9413447...

  • Page 20: Torsion Assist Platform Asm

    TT15 - ALUMINUM 44.00" DEEP PLATFORMS WITH TORSION ASSIST Platform Width Item Part Number Description 31638-001 Frame Weld 31638-002 Frame Weld 31638-003 Frame Weld 31638-004 Frame Weld 3443-004 Platform Weld – 2PC . 44” Deep, Incl . Items 54,46,47 3443-005 Platform Weld –...
  • Page 21 TT15 - ALUMINUM 44.00" DEEP PLATFORMS WITH TORSION ASSIST - CONTINUED Platform Width Item Part Number Description 31283 Pin Weld - RH Pivot Support Weld to Platform 8103-022 Locknut .25 31003 Adjustment Bracket – LH Pivot Support Weld to Platform 5702270 Plastic Square Nut 5702280...

  • Page 22: Mounting Hardware Parts List

    TT15 – MOUNTING HARDWARE PARTS LIST POST SUPPORTS - SEE FIGURE A Item Part Number Description Qty . 31639-001 Post Support – LH (Multiple Pickup Models) 31639-002 Post Support – RH (Multiple Pickup Models) 31641-001 Post Support – LH (Service Body) 31641-002 Post Support –...
  • Page 23 23 .
  • Page 24 TT15 – MOUNTING HARDWARE PARTS LIST - CONTINUED BACKER PLATES AND TRUCK FLOOR HDWE – SEE FIGURE F Item Part Number Description Qty . 27219 Backer Plate 3657 Includes Items F2 Thru F7 8108-017 Carriage Bolt .38 x 1 .50 8108-009 Screw .38 x 1 .50 8108-018...
  • Page 25 25 .

  • Page 26: Optional Bumper-Light Assembly

    BUMPER-LIGHT ASSEMBLY - OPTIONAL Platform Width Item Part Number Description 31635-005 Bumper Weld 31635-006 Bumper Weld 31635-007 Bumper Weld 31635-008 Bumper Weld 3642 Bumper Light Kit- includes items 3-9 5702270 Plastic Square Nut 5702280 Screw 43040 Light Harness 4379 Grommet 8107-007 Flatwasher#10 43062...

  • Page 27: Tail Light Wiring Diagram

    27 .

  • Page 28: Electrical Pictorials

    ELECTRICAL PICTORIAL 28 .

  • Page 29: Troubleshooting Guide

    Note: Please refer to the electrical diagrams and hose connection drawings in the liftgate’s owner’s manual when troubleshooting. This guide is only for standard Thieman liftgates. Special liftgates with options other than those in the owner's manual will require special diagrams for troubleshooting. Read and understand this entire guide completely before doing any troubleshooting.
  • Page 30 If all else fails, the power unit MAY be defective. If the liftgate is older, the pump may be worn out and unable to pump fluid at pressure with the correct flow rate. Feel free to contact Thieman for further consultation. 30 .
  • Page 31 If the platform gradually became harder to fold and unfold, it is likely due to stiffness in the pivots. Replace worn bushings or corroded pins as necessary. If you have any questions or problems that are not covered in this guide please call Thieman’s Engineering Department at 1 800-524-5210.
  • Page 32 Rev. 5/22 • 1.5M • MP110223...

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