WALTCO GTSL Tech Manual

Gen 2 rack & pinion drive

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waltco.com

parts@waltco.com

Waltco Lift Corp.

Corporate Office United States

285 Northeast Ave.

Tallmadge, OH 44278

P: 330.633.9191

F: 330.633.1418

Domino's Pizza

GTSL Tech Manual

Gen 2 Rack & Pinion Drive

Waltco Lift Corp.

United States

620 S Hambledon Ave.

City of Industry, CA 91744

P: 626.964.0990

F: 626.964.0149

Tech Support 330.633.9191

Waltco Parts Dept. 800.411.5685

04/23/19

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Page 1 Tech Support 330.633.9191 waltco.com Waltco Parts Dept. 800.411.5685 parts@waltco.com Domino’s Pizza GTSL Tech Manual Gen 2 Rack & Pinion Drive Waltco Lift Corp. Waltco Lift Corp. Corporate Office United States United States 285 Northeast Ave. 620 S Hambledon Ave. Tallmadge, OH 44278 City of Industry, CA 91744 P: 330.633.9191...
Page 2: Table Of Contents
Table of Contents Improper operation and maintenance of this liftgate could result in severe personal injury or death. Read and understand the contents of the owner’s manual and all warning and operation decals before operating and/or performing maintenance on this liftgate.
Page 3 Introduction Each Waltco liftgate is manufactured to stringent quality standards for years of reliable service. To ensure maximum performance of your Waltco liftgate, always specify and use “OEM Parts” from Waltco. Service and repair should only be performed by an authorized Waltco distributor. For information on the nearest authorized Waltco distributor contact: Waltco Lift Corp.
Page 4 WALTCO Warranty Policy WALTCO warrants its products free of defects in materials and workmanship. WALTCO will replace components found defective during the warranty period. Labor will be reimbursed according to our flat rate labor schedule at the prevailing shop rate.
Page 5: Liftgate Terminology
Chapter 2 Liftgate Terminology 1. Deck 10. Track Frame 2. Mount Frame 11. Mount plates 3. Lift Cylinder 12. Up-Stops 4. Parallel Arm 13. Mud Flap 5. Lift Arm 6. Battery Box (2 on-gate, 2-auxiliary, or 4-auxiliary) 7. Pump Unit Box 8.
Page 6 Chapter 2 Liftgate Terminology EXPLANATION OF SPECIFICATION TAG MODEL NO. DESCRIPTION CAPACITY GTSL-33 GTSL-33 SLIDER LIFTGATE 3300 LBS. GR10053 GR10010 04/23/19...
Page 7: Placement Of Decals
Placement of Decals Decal Replacement Kit: 80002238 04/23/19...
Page 8 Schematics Hydraulic Schematic - Dual Pump Gravity Down 04/23/19...
Page 9 Schematics Hydraulic Schematic - Dual Pump Power Down 04/23/19...
Page 10 Schematics Electrical Schematic – Dual Pump Gravity Down 04/23/19...
Page 11 Schematics Electrical Schematic – Dual Pump Power Down 04/23/19...
Page 12: Key Components
Key Components Cylinder Lock Valve & Coil Assembly Drive Motor Drive Chain Platform Work Light Flasher Lights 04/23/19...
Page 13 Key Components Phillips Permalogic Charging System-Nose Box Contact Phillips Industries direct for troubleshooting the Permalogic System. Dual Pole Socket 800.423.4512 or www.phillipsind.com For Purkey Nose Socket Box refer to Purkey Tech Info on the Ryder InfoCenter One liftgate mounted = one set of lights Driver Platform Indicator lights Upper set of lights represent the...
Page 14 Key Components Platform Door Light Platform Work and Flasher Proximity Switch Light Proximity Switch (switch normally open) (switch normally closed) Platform Door Light (Above side door inside trailer) Green light indicates platform is at floor level 04/23/19...
Page 15: Single / Dual Pump
Side Loader Single/Dual Pump Top View of Valve Body Back side of Valve Body “C” In “D” Out “BR” Brake Motor Solenoid Pressure Compensating Flow Control Valve Ground “B” Lower Ground Thermal switch wires Lock Valve and Coil Front View of Valve Body In &...
Page 16: Troubleshooting Guide
Domino’s GT Side Loader Trouble Shooting Guide CHECKING THE OIL LEVEL IN THE RESERVOIR The liftgate is shipped with Shell Tellus 15. Check the owner’s manual for additional recommended oils. Fill as required with the specified fluid in the owner’s manual. Do not overfill the reservoir. Domino’s spec power unit 90908954: Raise platform to bed level.
Page 17 Domino’s GT Side Loader Trouble Shooting Guide PLATFORM DOES NOT RAISE OR RAISES SLOW- MOTOR RUNS If the motor is not running see the section titled “MOTOR DOES NOT RUN” before proceeding. See Checking the oil level in the reservoir Coil Valve (A).
Page 18 Domino’s GT Side Loader Trouble Shooting Guide PLATFORM WILL NOT LIFT TO FULL CAPACITY See checking the oil level in the reservoir. “Raise” 10.5 volts. 2900 psi PLATFORM DOES NOT LOWER OR LOWERS SLOW See Checking the oil level in the reservoir. Lowering Valve (BB) “Lower”...
Page 19 Domino’s GT Side Loader Trouble Shooting Guide PLATFORM WILL ONLY LOWER ON ONE SIDE. 10.5 volts “lower” (4.5ohms) PUMP MOTOR IS GETTING HOT 240 F 10.5 volts INDICATOR LIGHTS AT THE FRONT OF THE TRAILER ARE NOT WORKING. “GREEN” “GREEN” ”...
Page 20 Domino’s GT Side Loader Trouble Shooting Guide AMBER WARNING SIGNAL LIGHTS ON PLATFORM ARE NOT WORKING “Signal Lights Relay” DOOR LIGHT INSIDE TRAILER TO INDICATE PLATFORM IS AT FLOOR LEVEL IS NOT WORKING. ” Door Lights Relay” 04/23/19...
Page 21 LOCK VALVE, COIL 22781502 LOCK VALVE COMPLETE 27884051 C.S. RAISE TUBE 27884061 C.S. LOWER TUBE 27884071 D.S. RAISE TUBE 27884081 D.S. LOWERING TUBE 91318972 PROXIMITY SWITCH, NORMALLY OPEN 75089786 PROXIMITY SWITCH, NORMALLY CLOSED WALTCO REVISED: 03/2017 REV. LIFT CORP DOMINO’S GTSL-33 04/23/19...
Page 22: Hydraulic And Electric Layout
HYDRAULIC AND ELECTRIC LAYOUT WALTCO REVISED: 03/2017 REV. LIFT CORP DOMINO’S GTSL-33 04/23/19...
Page 23 Bearing 75086854 ¼-20x5/8 Self Tapping Screw Type F Plated 75085161 Nylock Nut, ¼-20 75088079 Lock Washer, ¼” 27897041 HARNESS (CS), LIGHT 91318973 HARNESS DS, WORK, WARN, & DOOR LIGHTS, DOMINOS SPEC LIFT CORP. REVISED: 2/2016 DOMINO’S GTSL SERIES REV. 04/23/19...
Page 24: One Piece Galvanized Platform Pm
ONE PIECE GALVANIZED PLATFORM LIFT CORP. REVISED: 2/2016 DOMINO’S GTSL SERIES REV. 04/23/19...
Page 25 PIN WELDMENT 1 DIA X 7.75 LG 75085003 HEX NUT, 5/16-18, SERRATED 75085201 HEX NUT, ½-13, TOP LOCK 75088067 WASHER,1/2” 75088052 WASHER, 5/16” 7500010-41 HEX BOLT, ½-13X1-1/2”, GR 8 7500009-9 SHCS, ½-13 X 1-3/4 WALTCO REVISED: 05/2015 REV. Lift Corp DOMINOS DOMINOS GTSL-33 04/23/19...
Page 26: Mount Frame Pm
MOUNT FRAME WALTCO REVISED: 05/2015 REV. Lift Corp DOMINOS DOMINOS GTSL-33 04/23/19...
Page 27 BATTERY STATUS INDICATOR 42694117 LIGHT, LED, RED 91318971 PRIMARY CONTROL HARNESS, NOT SHOWN 91318035 TRACK COVER, GTSL REAR FOR FLA DRILLED FOR PROX SWITCH FLAG 91318036 TRACK COVER, GTSL REAR 91318990 DECAL, AUX MOTOR IN USE IND 91230980 CHAIN, TRANSIT LATCH, 21 LINKS...
Page 28: Track Frame Pm
TRACK FRAME AUX MOTOR INDICATOR BATTERY STATUS LIGHT HARNESS GOES INDICATOR TO (+) & (-) TO CABLE CARRIER, BATTERY TERMINALS INTO PUMP BOX, AND ATTACHES TO PUMP GROUND & AUX PUMP SOLENOID WALTCO REVISED: 5/2015 REV. Lift Corp DOMINOS GTSL-33 04/23/19...
Page 29 9/16”-18”O” RING. 75086055 HEX BOLT, 3/8-16X3/4 GR 5 75088081 LOCK WASHER, 3/8" STRT THRD CONNCTR, #8 SAE O-RING- 75088265 #8 SAE JIC 37 FL 90908980 CARTRIDGE, 4 WAY, 3 POS WALTCO REVISED: 5/2015 REV. LIFT CORP DOMINO’S GTSL-33 DOMINOS 04/23/19...
Page 30 PUMP BOX WALTCO REVISED: 5/2015 REV. LIFT CORP DOMINO’S GTSL-33 DOMINOS 04/23/19...
Page 31 Indicator Light Addendum Your liftgate has been equipped with indicator lights that shows the driver (via his rear view mirror) if the gate is stored or deployed. The green indicator light means it is stored. The red indicator light means it is deployed. Green means go and red means whoa. To wire the lights, chase the cable supplied (already attached and wired into the liftgate), consisting of three wires: one green w/white stripe, one purple w/white stripe and one red w/white stripe and chase it to the front of the trailer. Mount the light bracket to the front corner of the trailer as shown above and install the supplied LED light ...
Page 32 Indicator Light Addendum Connect the green w/white wire to the positive side of the green LED light. Connect the purple w/white wire to the positive side of the red LED light. Connect the red w/white wire to 12v battery power pin in the 7‐way plug via a 5 amp fuse. Connect both negative sides of the LED lights to the ground pin in the 7‐way plug. 04/23/19...
Page 33 After removing the wheels, inspect the axles for wear. If axles are worn, they can be replaced with the Waltco two- piece axle replacement kit. The part # for the kit is 80004736 1. Remove the rail cap to expose the 1 roller in the track –...
Page 34 Any movement would indicated the parallel arms bearings need to be replaced Typical Thickness of Waltco Bearing Worn bearing below was removed from this liftgate Worn by 1/32” 04/23/19...
Page 35 Gen 2 Rail Stop Bumper and Guide part numbers and Wear Check Note: please refer to Mount Frame Parts Breakdown, items #5 & #6 These are mounted on the left or rear mount plate where the wheels are mounted Part # 27821290-Stop Bumper These are mounted on the Right or Front mount plate Part # 27821285-Stop Bumper and Guide ...
Page 36: Switch Replacement
Switch Replacement Kits are for different QTYs. NOTE: there are 4 switches per trailer and this switch will be mounted upside down to fit inside existing wall pocket. Do not mount up-right or water will get into the switch. Kit for 1 switch - 91160849 Kit for 2 switches - 91160839 Kit for 4 switches - 91160841 04/23/19...
Page 37 Hydraulic Oil Changing Procedure Hydraulic Oil Recommendations NOTE: This decal is located on the hydraulic reservoir. Hydraulic Oil Change Procedure Replace hydraulic oil in spring and fall intervals in colder, winter climates. 1. Properly locate platform a. Gravity down units – lower to ground level b.
Page 38: How To Order Parts
When ordering repair or replacement parts, please include all the information asked for below. If this information is not available, a complete written description or sketch of the required part will help WALTCO identify and deliver the needed part to you.
Page 39 IMPORTANT WARNING Improper operation and maintenance of this liftgate could result in severe personal injury or death. Read and understand the contents of liftgate Owner’s manual and all warning and operation decals before operating and/or performing maintenance on this liftgate. For SAFETY information on this liftgate see Chapter 1 of Owner’s manual 80101666...

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