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Maxon GPC 22 X-1 Installation Manual
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Maxon GPC 22 X-1 Installation Manual

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GPC 22 X-1 liftgate
Installation Manual
LIFT CORP.
11921 Slauson Avenue
Santa Fe Springs, CA 90670-2221
P 800.227.4116 / 562.464.0099
F 888.771.7713
Date 03.2021
Part-no.
S 20 912 436

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Summary of Contents for Maxon GPC 22 X-1

  • Page 1 GPC 22 X-1 liftgate Installation Manual LIFT CORP. 11921 Slauson Avenue Santa Fe Springs, CA 90670-2221 P 800.227.4116 / 562.464.0099 F 888.771.7713 Date 03.2021 Part-no. S 20 912 436...
  • Page 3 11921 Slauson Avenue Santa Fe Springs, CA 90670-2221 P 800.227.4116 / 562.464.0099 F 888.771.7713 Customer Service / Parts USA/Canada Mexico P 800.227.4116 F 888.771.7713 P 01.664.231.6039 Installation manual Liftgate GPC 22 X-1, Series 11 Document no.: S 20 912 436 Version 2021...
  • Page 4 If the liftgate needs to be modified or if it is necessary to differ from these installation directions, a written approval from Maxon Lift CORP. needs to be obtained first. Unapproved modifications and amendments from these installation directions may lead to failure and to operating interruptions as well as to hazards for the operator.
  • Page 5 The lift needs to be checked for damages upon arrival. If any damages occurred during transportation, they need to be recorded on the waybill, so that claims can be raised. Insurance claims can be settled only by Maxon Lift CORP. and the shipping/forwarding company or its insurance.
  • Page 6 NOTICE Failure to heed this notice can result in damage to property or the environment. IMPORTANT Important information or useful tip for correct use. Installation manual Liftgate GPC 22 X-1, Series 11 Document no.: S 20 912 436 Version 2021...
  • Page 7 Parts of the body, long hair, and clothing are at risk of being caught and pulled in by moving parts. This can result in fatal injuries.  Always secure long hair  Do not wear loose-fitting clothing Installation manual Liftgate GPC 22 X-1, Series 11 Document no.: S 20 912 436 Version 2021...
  • Page 8  Always transport the lifting gear in an upright position using suitable lifting points. IMPORTANT Dispose of all packing materials in accordance with environmental regulations. Installation manual Liftgate GPC 22 X-1, Series 11 Document no.: S 20 912 436 Version 2021...
  • Page 9 Caution with transport. Failure can result in injury. Caution! do not lift at the power pack no pressure or shocks do not use pry bars Installation manual Liftgate GPC 22 X-1, Series 11 Document no.: S 20 912 436 Version 2021...
  • Page 10 IMPORTANT Be careful not to damage the vehicle. We recommend using appropriate coverings. CAUTION Secure the vehicle in place to prevent unintentional movement. Installation manual Liftgate GPC 22 X-1, Series 11 Document no.: S 20 912 436 Version 2021...
  • Page 11 1 4/7”. H3 is the max. sill height. If the rear sill is cut out, proper reinforcement should be put back in to maintain structural integrity of the rear sill. Recommendations for the rear sill cutouts to install the models GPC 22 X-1 Table...
  • Page 12 • drill 5x 17/32" diameter holes; remove burrs and sharp edges. • use provided nuts and screws to mount the spacer bar as shown. Installation manual Liftgate GPC 22 X-1, Series 11 Document no.: S 20 912 436 Version 2021...
  • Page 13 4x .26" +/- .005" diameter holes; remove burrs and sharp edges. • use proper rivet tool to install provided rivet with washers between rivet head and bumper. Installation manual Liftgate GPC 22 X-1, Series 11 Document no.: S 20 912 436 Version 2021...
  • Page 14 Placement of GPC 22 X-1 mount fixture IMPORTANT Measure body opening and mark center line Mark center line on GPC mounting fixture IMPORTANT Place the mount fixture tight against the 1/2” spacer before welding or clamping it in place. Use platform pins to center liftgate on truck body...
  • Page 15 The brackets GPC positioned on the frame width max. 34“ 2/3 inch min. 29“ ½ inch Adjust the positions of the brackets to the frame and hand tighten the bolts Installation manual Liftgate GPC 22 X-1, Series 11 Document no.: S 20 912 436 Version 2021...
  • Page 16 Before assembling the lifting gear, it is imperative that the bolt (A) is loose. It will be tightened after adjusting the lifting gear. (Please refer to page 26) NOTICE  Do not damage cables. Installation manual Liftgate GPC 22 X-1, Series 11 Document no.: S 20 912 436 Version 2021...
  • Page 17 Assembly drawing of lifting mechanism with synchronizer bar Installation manual Liftgate GPC 22 X-1, Series 11 Document no.: S 20 912 436 Version 2021...
  • Page 18 Put the GPC in the correct fitting position and align it. IMPORTANT You will find all needed measurements on page 20 of these instructions. Installation manual Liftgate GPC 22 X-1, Series 11 Document no.: S 20 912 436 Version 2021...
  • Page 19 Secure the main beam by tightening the 4 bolts according to the tightening torque table on page 39. IMPORTANT Tighten the bolts according to the torque table on page 39 Installation manual Liftgate GPC 22 X-1, Series 11 Document no.: S 20 912 436 Version 2021...
  • Page 20 Find technical information online at https://www.maxonlift.com/support. For additional technical information, visit https://www.maxonlift.com/support/technical-service or you can send an e-mail to: techservice@maxonlift.com. Installation manual Liftgate GPC 22 X-1, Series 11 Document no.: S 20 912 436 Version 2021...
  • Page 21 Weld each mounting plate to vehicle frame as shown on picture below or choose the alternate method you can see on picture on next page. Installation manual Liftgate GPC 22 X-1, Series 11 Document no.: S 20 912 436 Version 2021...
  • Page 22 Remove underbody coating in the area of the mounting points (contact surfaces between vehicle and installation adapters). Seal any areas of the vehicle body that are thus exposed (with corrosion protection). Installation manual Liftgate GPC 22 X-1, Series 11 Document no.: S 20 912 436 Version 2021...
  • Page 23 Fingers are at risk of being crushed or sheared when the platform is installed on the lifting gear.  Be careful at the connecting points between the platform and lifting gear. Installation manual Liftgate GPC 22 X-1, Series 11 Document no.: S 20 912 436 Version 2021...
  • Page 24 1. the piston rod head turn out, platform closures the body. 2. one turn more, now the platform can properly close the body. Installation manual Liftgate GPC 22 X-1, Series 11 Document no.: S 20 912 436 Version 2021...
  • Page 25 Always push the lifting arms against a plain surface. Fill any edge so that the heads always push against a plain and firm surface. The body could be lifted and the spring of the lifting arm not work properly. Installation manual Liftgate GPC 22 X-1, Series 11 Document no.: S 20 912 436 Version 2021...
  • Page 26  When finished adjusting or if no readjustment is necessary, make sure that the adjustment fork bolt A is securely tightened (see torque table). Installation manual Liftgate GPC 22 X-1, Series 11 Document no.: S 20 912 436 Version 2021...
  • Page 27 Excess cable must not be wound up in a coil but must be placed in slings. No rubbing or pinching of the cables should occur. Installation manual Liftgate GPC 22 X-1, Series 11 Document no.: S 20 912 436 Version 2021...
  • Page 28 *3, and optional to the cable remote *4, are to be made during assembly. All cables must be affixed on to the device using the delivered cable straps. Installation manual Liftgate GPC 22 X-1, Series 11 Document no.: S 20 912 436 Version 2021...
  • Page 29 Ensure the dash panel is not thicker than 3/16”. In the cab, feed the cabin on-off-switch wires through the a 0,63” mounting hole until cabin switch are flush against the dash panel. Installation manual Liftgate GPC 22 X-1, Series 11 Document no.: S 20 912 436 Version 2021...
  • Page 30 Route cable 20 911 364 to Control-Unit of the liftgate (in Power pack) and connect it. See also sketch of the electric circuit diagram on page 46 and 47 Installation manual Liftgate GPC 22 X-1, Series 11 Document no.: S 20 912 436 Version 2021...
  • Page 31 Only operate liftgate with battery cable fixed to a sufficient charged battery. Never use a charger or start unit even provisional as this can damage relay or motor. Installation manual Liftgate GPC 22 X-1, Series 11 Document no.: S 20 912 436 Version 2021...
  • Page 32 Distance from the rear frame to the hand control 16” 2” ± CAUTION The mounting guidelines of the chassis manufacturer need to be complied with! Installation manual Liftgate GPC 22 X-1, Series 11 Document no.: S 20 912 436 Version 2021...
  • Page 33 2 seconds. The flashing-light switches off for 5 seconds and indicates the success of the programming. The selected position will continue to be used each time the liftgate is operated until the sensor is reprogrammed. Installation manual Liftgate GPC 22 X-1, Series 11 Document no.: S 20 912 436 Version 2021...
  • Page 34 Unexpected movements of the vehicle can result in the severe injury or death of bystanders.  Follow the vehicle manufacturer’s installation guidelines. If necessary, install supports. Installation manual Liftgate GPC 22 X-1, Series 11 Document no.: S 20 912 436 Version 2021...
  • Page 35 The danger notice sticker uses pictograms to indicate potential incorrect and correct use of the liftgate. Installation manual Liftgate GPC 22 X-1, Series 11 Document no.: S 20 912 436 Version 2021...
  • Page 36 Stick the operating label to the control box (option) Type label The type label with load diagram has to be affixed permanently on the lift. Installation manual Liftgate GPC 22 X-1, Series 11 Document no.: S 20 912 436 Version 2021...
  • Page 37 The platform tilting must be limited to 10° WARNING Permissible angular velocity exceeded. Risk of injury when operating the liftgate.  Contact customer service. Installation manual Liftgate GPC 22 X-1, Series 11 Document no.: S 20 912 436 Version 2021...
  • Page 38 Testing the safety devices Operate all the functions to their end positions until all the safety devices respond. Installation manual Liftgate GPC 22 X-1, Series 11 Document no.: S 20 912 436 Version 2021...
  • Page 39 Torque table for all supplied and installed bolts on Maxon liftgates Bolt Size Tightening Bolt Tightening Torque Connections Torque in ft.lb in ft.lb G1/4“ G3/8“ G1/2“ Connection Nuts  M16 x 1.5 M18 x 1.5 Plugs  G1/8“ 10.9 G1/4“ G3/8” Solenoid valve...
  • Page 40 Free replacement is available from: MAXON Lift Corp., Parts Department. max. bed hight GPC 22 X1 - max. bed hight 46” 7/16 - Liftarm 26” 9/16...
  • Page 41 Control Station. 264081 IMPORTANT The main liftgate Control Station is normally mounted on right rear corner of the truck body. Installation manual Liftgate GPC 22 X-1, Series 11 Document no.: S 20 912 436 Version 2021...
  • Page 42 LED stays on. LED is on and the platform tilts down. This shows that the pressure switch was triggered. If not, the pressure switch is defective. Installation manual Liftgate GPC 22 X-1, Series 11 Document no.: S 20 912 436 Version 2021...
  • Page 43 ● ● Open / tilting down ● ● ● ● Closing / tilting up ● ● ● Please respect the sequence, KM always last Installation manual Liftgate GPC 22 X-1, Series 11 Document no.: S 20 912 436 Version 2021...
  • Page 44 Body Seal Kit`s Installation manual Liftgate GPC 22 X-1, Series 11 Document no.: S 20 912 436 Version 2021...
  • Page 45 Hydraulic circuit diagram Installation manual Liftgate GPC 22 X-1, Series 11 Document no.: S 20 912 436 Version 2021...
  • Page 46 Electrical circuit diagram Installation manual Liftgate GPC 22 X-1, Series 11 Document no.: S 20 912 436 Version 2021...
  • Page 47 On- Off-Switch diagram Installation manual Liftgate GPC 22, Series 11 Document no.: S 20 912 436 Version 2020...
  • Page 48 Optional food control diagram Installation manual Liftgate GPC 22, Series 11 Document no.: S 20 912 436 Version 2020...