Related Manuals for Palfinger PTV 33
Summary of Contents for Palfinger PTV 33
- Page 1 INSTALLATION MANUAL PTV 33 – 3300 lbs. Capacity PTV 44 – 4400 lbs. Capacity PTV 55 – 5500 lbs. Capacity PTV 66 – 6600 lbs. Capacity 05/21...
- Page 2 Copyright © 2021 Palfinger Liftgates LLC. All rights reserved. Information in this document is subject to change without notice. Visit www.palfinger.com for up to date information and notifications. If you received this product with damaged or missing parts, contact Palfinger Liftgates at (888)-774-5844 Parts Order liftgateparts@palfinger.com...
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Page 3: Table Of Contents
PTV 33/44/55/66 Installation Manual Table of Contents Manual Updates ........................- 4 - Safety Information ........................- 5 - Important Information ....................... 6 Tools For Installation ........................ 8 Parts List ........................... 9 General View of Liftgate ......................10 Installation Dimension Sheets ....................12 Installation Dimensions ...................... - Page 4 PTV 33/44/55/66 Installation Manual 12.4 Hydraulic Connections ....................44 12.4.1 Cab Shutoff Switch Installation (Optional) ............50 12.5 Hydraulic Schematic ...................... 52 12.6 Hydraulic Pump/Motor Overview ................... 53 12.7 Hydraulic Fluid ......................53 Electrical Installation ........................ 54 13.1 Auxiliary Batteries Installation ..................55 Battery Wiring –...
- Page 5 PTV 33/44/55/66 Installation Manual Company Information: Company Name: Advisor Name: Trailer/Truck Year Make & Model: Liftgate Information: Liftgate Serial Number: Liftgate Model Number: Date of Purchase: Date of Installation: 15939 Piuma Ave. Cerritos, CA 90703 Tel (888) 774-5844 Fax (562) 924-8318 572 Whitehead Road.
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Page 6: Manual Updates
PTV 33/44/55/66 Installation Manual Manual Updates Revision Description • Initial Release v1.0 Rev. 1.1... -
Page 7: Safety Information
PTV 33/44/55/66 Installation Manual Safety Information This manual follows the Guidelines set forth in “ANSI Z535.4-2007” for alerting you to possible hazards and their potential severity. This is the safety alert symbol. It is used to alert you to potential personal injury hazards. Obey all safety messages that follow this symbol to avoid possible injury or death. -
Page 8: Important Information
Always ground closest to your welding point to prevent arcing through moving parts or electrical parts. • Contact PALFINGER Liftgates for Special Installations not covered in this Installation Manual. • Do not paint cylinder shafts or nylon bearings (Use non-chlorinated brake cleaner to remove over spray) •... - Page 9 2) Ask your employer or lessor. 3) Call your PALFINGER Liftgates Authorized Service Center for assistance. 4) Call PALFINGER Liftgates for assistance in the USA at 888-774-5844. You can also contact PALFINGER Liftgates by fax (562) 924-8318 or on the internet- www.palfinger.com For technical support, contact PALFINGER Liftgates or an authorized PALFINGER service center.
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Page 10: Tools For Installation
PTV 35/44/55/66 Installation Manual Tools For Installation SAE & Metric Wrench Basic Screwdrivers Assorted Pliers Wire Crimp Pliers Digital Multi-Meter Snap Ring Pliers Hammer SAE & Metric Allen key Set ½” Impact & Sockets SAE & Metric Socket Set Assorted Drill Bits Floor Jack or Equivalent Sm. -
Page 11: Parts List
PTV 35/44/55/66 Installation Manual Parts List Installation of the parts listed below can be found throughout the installation manual. All of the small parts are bagged, boxed or attached inside the Hydraulic Enclosure. 3/8" 1/4" 3 ft. Hose Kit: 80-1121-001 Nylon Strap Battery Kit: 99-7520-001 Electric Components: Single Pump 1/4"... -
Page 12: General View Of Liftgate
PTV 35/44/55/66 Installation Manual General View of Liftgate Left Side Column Left Side Runner Tail Light Right Side Column Traverse UHMW Dock Toggle Switch Bumpers (Not Shown) Chain Main Arms Control Switch Support Chains Right Side Runner Platform Main Section Load Center Platform... - Page 13 PTV 35/44/55/66 Installation Manual Hydraulic Enclosure: Single Pump Configuration Carrier Frame Control Board Primary Pump & Motor Master Shutoff Security Switch Lock Hole Enclosure Manual Cover Battery Shipping Reset Brace Compartment Circuit Breaker Auxiliary Remote Control Cable Entry Ports Battery Voltage Gauge Hydraulic Enclosure: Dual Pump Configuration...
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Page 14: Installation Dimension Sheets
PTV 35/44/55/66 Installation Manual Installation Dimension Sheets Truck Chassis Dimension Sheet Customer Information Liftgates Information: Quote#/SO#:____________________________________________________ Model Company:______________________________________________________ Capacity Phone:_________________________________________________________ Platform Size Email: _________________________@______________________________ Platform Material Truck Information Truck Specifications: Type of Body Type of Rear Door (check applicable) (check applicable) Manufacturer: Flip-Up (ex. - Page 15 PTV 35/44/55/66 Installation Manual Trailer Chassis Dimension Sheet Customer Information Liftgates Information: Quote#/SO#:____________________________________________________ Model: Company:______________________________________________________ Capacity: Phone:_________________________________________________________ Platform Size: Email: _________________________@______________________________ Platform Material: Trailer Information Trailer Specifications: Type of Body Type of Rear Door (check applicable) (check applicable) Manufacturer: Flip-Up (ex.
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Page 16: Installation Dimensions
PTV 35/44/55/66 Installation Manual Installation Dimensions Important Dimensions Minimum Bed Height dimensions are ALWAYS MAXIMUM LOADED TRUCK. Maximum Bed Height dimensions are ALWAYS DRY UNLOADED TRUCK. Ensure that the truck body or trailer rear door does not interfere with installation or operation of the PTV series liftgates. -
Page 17: Installation Dimensions - Weld On-Liftgate
PTV 35/44/55/66 Installation Manual Installation Dimensions - Weld On-Liftgate 1. Measure Floor Height: Measure the floor height of your truck or trailer and determine clearance requirements for your liftgate platform size. 2. Verify Compatibility: Reference the compatibility table below to ensure that your gate is compatible with your vehicles bed height. -
Page 18: Installation Dimensions - Bolt-On Liftgate
PTV 35/44/55/66 Installation Manual Installation Dimensions - Bolt-On Liftgate 1. Measure Floor Height: Measure the floor height of your truck or trailer and determine clearance requirements for your liftgate platform size. 2. Verify Compatibility: Reference the compatibility table below to ensure that your gate is compatible with your vehicles bed height. -
Page 19: Installation Dimensions - Width Requirements
PTV 35/44/55/66 Installation Manual Installation Dimensions - Width Requirements Reference the chart below to determine the liftgate width dimensions. Ensure that your vehicle meets these requirements. The PTV series liftgate is offered in two widths for 96” and 102” wide bodies. Nominal Outside Inside... -
Page 20: Strength Requirements
PTV 35/44/55/66 Installation Manual Strength Requirements Reference the chart below for side wall requirements. Ensure that the body side wall, corner post, and rear sill strength requirements are met for your liftgate. Truck body or trailer must be capable of supporting minimum forces and loads shown below. Side Wall Requirements PTV 35 PTV 44... -
Page 21: Body Preparation
PTV 35/44/55/66 Installation Manual Body Preparation In order to install your PTV series liftgate, some body preparation may be required. Truck and trailer applications with flush corner post and sill and NO protruding gussets or stiffeners are the most straight forward of all PTV installations. -
Page 22: Tow Hitch/Auxiliary Equipment
PTV 35/44/55/66 Installation Manual Tow Hitch/Auxiliary Equipment Steps: 1. Relocate Hitch (If applicable): Trailer Hitches are common truck or trailer equipment and are compatible with the PTV series; however, they must not stick out further than the rear sill. Relocate or remove tow hitch or other auxiliary equipment, if necessary. -
Page 23: Flush The Sill (Sub-Framing)
PTV 35/44/55/66 Installation Manual Flush the Sill (Sub-Framing) Steps: 1. Flush the sill: Some trucks or trailers may have configurations with irregular shaped sills, Fig.4. The liftgate mounting surface may NOT be flush with the corner post. Some sills may be inset or have door gutters. - Page 24 PTV 35/44/55/66 Installation Manual Flat Bar Subframe Tubing 2 pcs per Subframe Vehicle Column Vehicle Corner Corner Post Liftgate Post Liftgate Column Column Fig. 5 Rev. 1.1...
- Page 25 PTV 35/44/55/66 Installation Manual Flat Bar Posts (if necessary): Corner stiffeners are common and should NOT be removed. It is recommended to use “flat bar” with the same thickness as the stiffeners, typically ¼” to 3/8” thick x 3” wide. The liftgate Installation weld procedure is the same. Flat Bar Corner Stiffener...
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Page 26: Support Body
PTV 35/44/55/66 Installation Manual Support Body Side supports can be used to strengthen the body. Steps: 1. Add body supports (If necessary): If extra support is required, add support bars as shown below. Flatbed installations may use a similar arrangement with 3/16” x 4” x 4” min. rectangular tubing for corner posts and 3”... -
Page 27: Liftgate Preparation
PTV 35/44/55/66 Installation Manual Liftgate Preparation The installer should never position any portion of him/herself, or any other person directly under the liftgate during mounting. Liftgate Preparation 10.1 The PTV liftgate comes with multiple assemblies and components attached that need to be removed prior to installation. - Page 28 Harnesses If the body of the truck is narrower than the inside of the column, it is recommended to use an alternative method for aligning the liftgate to the vehicle’s sill. Please contact Palfinger Liftgates technical support for special instructions.
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Page 29: Liftgate Mounting
PTV 35/44/55/66 Installation Manual Liftgate Mounting This manual features installation procedures for “Weld-On PTV” and “Bolt-On PTV” liftgate models. Before continuing with the installation, identify what PTV model is to be installed. Mounting the Liftgate (Standard Installation) 11.1 Before positioning the liftgate; consider when measuring and centering the liftgate that the truck or trailer may NOT be perpendicular to the ground. - Page 30 PTV 35/44/55/66 Installation Manual 2. Make sure the liftgate is properly secured: Ensure that the liftgate is attached safely to the lifting device. If using a forklift to hoist the liftgate, use 4”x 4” x 24” wood spacers to keep the unit from sliding back when lifting, Fig.
- Page 31 PTV 35/44/55/66 Installation Manual Before positioning the liftgate against the vehicle, open the vehicles rollup door. The full weight of the liftgate should be supported by the lifting device, and not the alignment plates, Fig 7. Do not remove the lifting device. 4.
- Page 32 PTV 35/44/55/66 Installation Manual 5. Centering the Liftgate to Vehicle: After positioning the gate against the vehicle, measure the distance from the edges of the columns to the edges of the vehicle using a measuring tape. Measure at the top of the columns and the at bottom, both measurements must be the same, Fig.
- Page 33 PTV 35/44/55/66 Installation Manual 6. Check Dimensions: Inspect liftgate to be certain the columns are square and parallel. Use a framing square to verify columns are square at 90° to the vehicle’s sill and body. Measurements should reflect dimensions below when measured from the indicated points. 94-7/16"...
- Page 34 PTV 35/44/55/66 Installation Manual 7. Clamping Liftgate: After centering the gate, use four (4) “F” style clamps, two on top and two at bottom, to secure the liftgate flush against the vehicle, Fig. 9. Confirm all mounting dimensions are correct, check to ensure that the floor and traverse are flush, and that the columns are flush to the vehicle.
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Page 35: Liftgate Welding
PTV 35/44/55/66 Installation Manual Liftgate Welding 11.2 Optional: Take precautionary measures to ensure that columns do not toe-out during welding. Flat bar or round stock can be added in the corner to minimize pull from welding, Fig. 10. Column Vehicle Corner Post Bumper Plate... - Page 36 PTV 35/44/55/66 Installation Manual 1. STOP and recheck all mounting dimensions. 2. Inside Column Welds: Weld inside of columns from top to bottom. Curb side column shown below, repeat welding procedure on street side column. 3. Traverse Welds: Weld traverse per vehicle width, 96”W or 102”W, as shown below. Do not weld the alignment plates.
- Page 37 PTV 35/44/55/66 Installation Manual 4. Column Welds (Outside): Weld the outside of the columns to the vehicle using a ¼” weld on the dock bumpers as shown and ¼” x 3” welds, 5 places evenly spaced on columns top to bottom. Do not weld near the control area.
- Page 38 PTV 35/44/55/66 Installation Manual 6. Remove Forklift Fork, Bracing and Clamps: First remove the forklift. Second remove the clamps, and finally remove the liftgate braces. Remove Forklift Unbolt Remove Bottom Brace Brace Remove Top Brace Remove all Remove all clamping clamping devices devices...
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Page 39: Bolt-On Liftgate Installation (Optional)
PTV 35/44/55/66 Installation Manual Bolt-On Liftgate Installation (Optional) 11.3 The bolt-on mounting system is installed by using one of the two methods described below: Factory Installed Vehicle Brackets or Customer Installed Vehicle Brackets. Factory Installed Method 11.3.1 1. Factory Installed: The liftgate arrives from the factory with the Vehicle Brackets installed on the liftgate. Vehicles Brackets will be secured to the liftgate columns at the top and bottom with bolts. - Page 40 PTV 35/44/55/66 Installation Manual 2. Installing the Liftgate: The installation process is the same as the Weld-On version of the liftgate. Follow the Preparation, Mounting, and Welding procedures from Sections 10 & 11. 3. Finalizing Installation: To finalize this method of installation, both column wraps on the liftgate must be welded to the vehicle in the location shown below.
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Page 41: Customer Installed Method
PTV 35/44/55/66 Installation Manual Customer Installed Method 11.3.2 1. Customer Installed: The Vehicle Brackets are shipped before the liftgate for pre-installation to the vehicle done by the customer/installer. The Vehicle Brackets are to be dimensioned and welded as shown below before the arrival of the liftgate. 96"... - Page 42 PTV 35/44/55/66 Installation Manual 2. Installing the Liftgate: The liftgate will be pre-equipped from the factory with alignment buttons installed on the front side of the columns. To install the liftgate to the Vehicle Brackets pre-installed on the vehicle, lift/hoist the liftgate, align the alignment buttons with the mounting slots on the Vehicle Brackets.
- Page 43 PTV 35/44/55/66 Installation Manual 4. Finalizing the Installation: Remove the liftgates top brace and column caps to install the 5/8-18 bolts that will secure the top section of the column to the vehicle bracket. After installing the bolt, reinstall the column caps back to the column using the same hardware.
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Page 44: Hydraulic Installation
PTV 35/44/55/66 Installation Manual Hydraulic Installation Hydraulic Enclosure - Dimensions 12.1 18-1/4" 13-1/4" 48" 27" 22-7/8" 17-3/4" 39-1/2" 7-1/4" Hydraulic Enclosure – Hose Kits 12.2 When possible, position the hydraulic enclosure so it can be accessed from the right side of the vehicle. -
Page 45: Hydraulic Enclosure - Installation
High heat from welding can damage components. Make sure all components are clear of heat and weld splatter caused by welding. Steel crossmembers are required for welding. Applications with Aluminum cross members will need to be bolted. Contact Palfinger Liftgates Tech Support for kit and instructions. -
Page 46: Hydraulic Connections
PTV 35/44/55/66 Installation Manual 2. Remove Shipping Braces: Unbolt the four nuts that secure the shipping braces to the enclosure. Once braces have been removed, reinstall the four nuts on the enclosure. Remove Four Nuts Only Shipping Braces Hydraulic Connections 12.4 -To open the lid of the box, remove the security bolt below the lid handle. - Page 47 PTV 35/44/55/66 Installation Manual To prevent leaks during shipping and storage, hydraulic connections at liftgate are plugged. DO NOT disconnect any plugs until ready to connect hoses to liftgate and hydraulic enclosure. Steps: 1. Hat Section (Bolt-On): Position the hat section on the right side of the vehicle centered between the vehicle wheels.
- Page 48 PTV 35/44/55/66 Installation Manual Do not route hoses, wires, harnesses, and cables near, around, or in contact with sharp edges, air lines, vehicle electrical, exhaust system, fuel lines, or liftgate moving parts. 2. Route Hoses and Control Harness: At the bottom of the curb side column of the liftgate the controls wire harness can be found.
- Page 49 PTV 35/44/55/66 Installation Manual When disconnecting hydraulic lines and fitting hydraulic fluid will escape. It is recommended to have a proper container to catch any escaping fluid during installation. Always wear safety glasses when performing these procedures. 3. Hydraulic Fittings at Hydraulic Junction Block: All fittings on the junction block are capped or plugged. Remove the male plugs first and the female caps second.
- Page 50 PTV 35/44/55/66 Installation Manual Installing 1/4” and 3/8” Hoses at Right Side Column: Install hoses to the hydraulic block. Torque 1/4” hoses to 11 ft/lbs. max, and 3/8” hoses to 19 ft/lbs. max. Note: Mark or label each hose end with the corresponding Port ID letter before routing to facilitate installation at the hydraulic enclosure side.
- Page 51 PTV 35/44/55/66 Installation Manual J30 Control Harness: Remove the hydraulic enclosure cover. Remove the cover on the side of the hydraulic enclosure. Feed the control harness inside the enclosure. Before closing, cut the grommet so it can fit over the harness, Fig.19. Re-install the cover over the opening by removing the cover of the enclosure.
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Page 52: Cab Shutoff Switch Installation (Optional)
PTV 35/44/55/66 Installation Manual Cab Shutoff Switch Installation (Optional) 12.4.1 Steps: 1. J11 Control Harness: Remove the cover plate. Feed the J11 harness through the enclosure opening and route it to the control board. Disconnect the preinstalled J11 plug from the control board, Fig. 20. Connect the cab shutoff switch harness (J11) on the same slot from the preinstalled J11 plug that was removed, Fig. - Page 53 PTV 35/44/55/66 Installation Manual 2. Switch Installation: Route the other end of the harness to the cab’s dashboard. Position the switch where it is visible and accessible by the user from outside the cab. Use the mounting hole pattern below and mount the switch with the provided screws, Fig.
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Page 54: Hydraulic Schematic
PTV 35/44/55/66 Installation Manual Hydraulic Schematic 12.5 M+S1 = LIFT M+S2+S5 = POWER DOWN S5 = GRAVITY DOWN M+S4 = TILT OPEN M+S3 = TILT CLOSE OPEN CLOSE CYLINDER LIFT CYLINDER 1 LIFT CYLINDER 2 2.6 GPM 69 BAR 1000 SECONDARY PUMP UNIT (OPTIONAL) 3000... -
Page 55: Hydraulic Pump/Motor Overview
PTV 35/44/55/66 Installation Manual Hydraulic Pump/Motor Overview 12.6 Oil Filler Oil Level Decal Hydrualic Pump Resevoir Ground (-) Terminal Bottom View Solenoid Ground (-) Solenoid Positive (+) Terminal Terminal Positive (+) Electric Hydrualic Electric Terminal Motor Pump Motor Drain Secondary Pump& Motor Primary Pump &... -
Page 56: Electrical Installation
Electrical Installation Any deviation from Palfinger Liftgates’s recommended power setup will void warranty and product liability unless you have a written confirmation by Palfinger Liftgates that allows you to do specific changes. • It is the liftgate installer or incomplete vehicle builder responsibility to be certain all chassis ground systems are adequate for the job. -
Page 57: Auxiliary Batteries Installation
PTV 35/44/55/66 Installation Manual Auxiliary Batteries Installation 13.1 Three (3) batteries are always recommended for PTV55 & PTV66, for high cycle and max load applications and for city deliveries with short duration between stops. Steps: 1. ON/OFF Switch: Ensure the switch is set to OFF before installing any power and ground wires. ON/OFF Switch on Outside of... -
Page 58: Battery Wiring - Truck And Trailer
PTV 35/44/55/66 Installation Manual Battery Wiring – Truck and Trailer 13.4 Never secure cable in a way where it can make contact with other wiring, brake fuel, or air lines or get pinched against other objects. When grounding to any part of the vehicle, the contact area should be prepared to bare metal, free of paint, under coating, dirt and grease. -
Page 59: Circuit Breaker At Enclosure
PTV 35/44/55/66 Installation Manual Circuit Breaker(s) Inside Enclosure 13.6 Circuit breakers are preinstalled inside the Hydraulic Enclosure. The ON/OFF switch is connected to the circuit breaker(s) with a bus bar. Installing the power cable to ON/OFF switch is the same for single and dual pump and motor configurations. -
Page 60: Battery Wiring - Truck Kit
PTV 35/44/55/66 Installation Manual Battery Wiring – Truck Kit 13.7 For 24V wiring reference document 90-1120-005. Charging Ground to Chassis Ground to Chassis Circuit Breaker Auto Reset 40 ft 40 ft Circuit Breaker Flag Reset 74" Motor Control Circuit Breakers Board Flag Reset Truck Batteries... -
Page 61: Battery Wiring - Trailer Kit
PTV 35/44/55/66 Installation Manual Battery Wiring – Trailer Kit 13.8 For 24V wiring reference document 90-1120-005. Positive (+) Ground (-) Charging Circuit Breaker Auto Reset 40 ft Trailer Socket Single Pole 74" Control Motor Board Circuit Breakers Flag Reset 11" Starter Solenoid 42"... - Page 62 PTV 35/44/55/66 Installation Manual Charging Circuit Breaker Positive (+) Auto Reset Ground (-) 40 ft Trailer Socket Single Pole 74" Control Board Motor Circuit Breakers Flag Reset Starter Solenoid 2 42" 11" Starter 11" Motor 2 Solenoid 1 42" Master Shut Off Switch 12v Battery Motor 1...
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Page 63: Electrical Schematic
PTV 35/44/55/66 Installation Manual Electrical Schematic 13.9 Rev. 1.1... -
Page 64: Control Board System Codes
PTV 35/44/55/66 Installation Manual Control Board System Codes 13.10 System Codes Decal Inside View of Pump and Motor Enclosure Lid Codes Power LED Display Control Description Reset Board Code System ok / Cab switch off, (or missing bridge J11/2<->4) System ok / Cab switch on, (or bridge J11/2<->4) Low voltage –... -
Page 65: Trailer To Tractor Ground Test
PTV 35/44/55/66 Installation Manual Trailer to Tractor Ground Test 13.11 A. 12V lead from tractor coil cord B. Center (+) plug on front of trailer C. Trailer Ground D. Tractor chassis ground + - + - + - + - Testing of full system using a battery load tester. -
Page 66: Tail Light Harness
ATTENTION Green Brown Tail Light Adapter Harness 48" Palfinger Liftgates will provide harness adapters that will are plug and play and White compatible with different type of tailer tail light harnesses. A Connector type must be specified during the ordering... -
Page 67: Lubrication
PTV 35/44/55/66 Installation Manual Lubrication DO NOT grease the “Slider Bearings”,“Columns”, or “Runners”, as this will VOID your WARRANTY on the slide bearings. Lubricate liftgate per instructions below before releasing liftgate to service. • Liftgates with Fixed Ramps have 9 grease fittings. •... -
Page 68: Decal Placement
Circuit Breaker Protection ML85-1114-003/ML85-1114-001 Conspicuity Tape (If applicable) MLATG-ARWILD Arrow Decal MLOS1263362 Palfinger Nameplate (Vertical) Read all Decals and Owner’s Manual before operating liftgate MAXIMUM LOAD CAPACITY BEFORE OPERATING LIFT, BE SURE YOU UNDERSTAND: PTV - 2 PC FOLDING PLATFORMS XXXX LBS OPEN AND CLOSE 1. - Page 69 PTV 35/44/55/66 Installation Manual Rev. 1.1...
- Page 70 PTV 35/44/55/66 Installation Manual It is the installer’s responsibility to determine the proper application of the Conspicuity tape, and to ensure that the vehicle or trailer meets DOT and federal lighting regulations. The following diagram is a guideline for placement on trailers over 80” wide and GVWR of 10,000 Lbs. or more. This document is not intended to replace published agency regulations, and it is strongly recommended that the installer refer to the Code of Federal Regulations (CFR) which can be viewed at http://ECFR.gpoaccess.gov.
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Page 71: Cycle Test And Bleed The System
PTV 35/44/55/66 Installation Manual Cycle Test and Bleed the System Cycle Test and Bleed the hydraulic system, Standard Units 16.1 Improper use of the liftgate may result in serious injury. DO NOT operate this liftgate without being properly instructed and fully understanding the Owner’s manual. Platform may crush or pinch. Make certain area around liftgate is clear during all times of operation. - Page 72 PTV 35/44/55/66 Installation Manual Open the Liftgate Platform (continued): Be certain operating area around platform is clear before opening platform. Pushing the “DOWN” button, and “OPEN” button together to power the platform open. OPEN DOWN 3. Lower the platform to the ground: Pushing the “DOWN” button, lower the platform to the ground. Note: for power down operation, push the down button twice (within 3 seconds).
- Page 73 PTV 35/44/55/66 Installation Manual 4. Raise the platform to bed level: Pushing the “UP” button, raise the platform to bed level. 5. Bleeding the system: With the platform at bed level, push the “UP” button for thirty (30) seconds. This will bypass hydraulic fluid through hydraulic poppet valves located in each of the lift cylinder pistons returning hydraulic fluid back to the reservoir via the return lines.
- Page 74 PTV 35/44/55/66 Installation Manual 7. Lower the Platform: Using the “DOWN” button, push down twice (within 3 seconds) and power down platform past the Travel Locks. (See Illustration) DOWN 8. Raise the Platform: Using the “UP” button, raise platform up until travel ears clear the travel lock slot.
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Page 75: Dock Loading - Lowering Platform (Standard Unit)
PTV 35/44/55/66 Installation Manual Dock Loading – Lowering Platform (Standard Unit) 16.3 When backing up vehicle to loading dock DO NOT hit the dock. Have a second person outside the truck directing you. Hitting the dock may cause hidden damage to liftgate components. Be sure to inspect the liftgate for damage. Hooks on Side of Platform... -
Page 76: Final Inspection Check List
PTV 35/44/55/66 Installation Manual Final Inspection Check List Liftgate failure or malfunction could result in property damage, personal injury or death if you fail to check each of the following items listed. DO NOT USE the liftgate if any of the following points are NOT verified and checked. - Page 77 PTV 35/44/55/66 Installation Manual Rev. 1.1...
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