Page 1
Par ts Manual Service Manual Serial Number Range Serial Number Range GS-2669 RT from GS6911-101 GS-3369 RT GS-4069 RT Part No. 229753 Rev D2 November 2014...
Contact Us: Dakota, Inc. in the USA and many other countries. "GS" is a trademark of Terex South Dakota, Inc. www.genielift.com e-mail: awp.techpub@terex.com Printed on recycled paper Printed in U.S.A. GS-2669 RT • GS-3369 RT • GS-4069 RT Part No. 229753...
A-6,B-3,C-7_Section 3_Maintenance Procedure. Click on any procedure or page number 3-2, 6-4, 9-1_Section 4_Repair Procedure. highlighted in blue to view the update. Fault Codes_Section 5. 6-35, 6-56, 6-104_Section 6_Schematic Page #. Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT...
Page 4
A-6,B-3,C-7_Section 3_Maintenance Procedure. Click on any procedure or page number 3-2, 6-4, 9-1_Section 4_Repair Procedure. highlighted in blue to view the update. Fault Codes_Section 5. 6-35, 6-56, 6-104_Section 6_Schematic Page #. GS-2669 RT • GS-3369 RT • GS-4069 RT Part No. 229753...
ANSI A92.6 CAN B354.2 Serial number (stamped on chassis) Terex South Dakota, Inc. 500 Oak Wood Road PO Box 1150 Watertown, SD 57201 PN - 96472 Serial label (inside compartment) Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT...
Be aware of potential crushing hazards such as moving parts, free swinging or unsecured components when lifting or placing loads. Always wear approved steel-toed shoes. GS-2669 RT • GS-3369 RT • GS-4069 RT Part No. 229753...
Page 7
Be sure to properly dispose of old oil or other fluids. Use an approved container. Please be environmentally safe. Be sure that your workshop or work area is properly ventilated and well lit. Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT...
176 Nm For operational specifications, refer to the Operator's Manual. Continuous improvement of our products is a Genie policy. Product specifications are subject to change without notice. Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT 2 - 1...
11.7° less than 0.6 m Gradeability See Operator's Manual Continuous improvement of our products is a Genie policy. Product specifications are subject to change without notice. 2 - 2 GS-2669 RT • GS-3369 RT • GS-4069 RT Part No. 229753...
Shell Tellus S2 V 46 Chevron Aviation A Arnica 32 Continuous improvement of our products is a Genie policy. Product specifications are subject to change without notice. Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT 2 - 3...
5.4 quarts inch 5.1 liters 7 to 9 mm Continuous improvement of our products is a Genie policy. Product specifications are subject to change without notice. 2 - 6 GS-2669 RT • GS-3369 RT • GS-4069 RT Part No. 229753...
28 to 64 psi Reserve capacity at 25A rate 120 minutes (operating temperature @ 3850 rpm) 1.9 to 4.4 bar Oil capacity (including filter) 3.6 quarts 3.4 liters Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT 2 - 7...
Page 24
Fan belt deflection 0.28 to 0.35 inch 7.0 to 9.0 mm Continuous improvement of our products is a Genie policy. Product specifications are subject to change without notice. 2 - 8 GS-2669 RT • GS-3369 RT • GS-4069 RT Part No. 229753...
BS 6580:1992 or ASTMD 3306-89 or AS 2108-1977 Reserve capacity @ 25A rate 120 minutes Alternator Output 40A, 12V DC Fan belt deflection inch 5 mm Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT 2 - 9...
Figure 1 fittings and hose ends are custom-size O-rings. They are not standard SAE size O-rings. They are hex nut available in the O-ring field service kit (Genie part reference mark body hex fitting number 49612). 3 Working clockwise on the body hex fitting, make 2 Lubricate the O-ring before installation.
• The red Emergency Stop button in the off position at both ground and platform controls • Wheels chocked • All external AC power supply disconnected from the machine Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT 3 - 1...
Page 30
Maintain completed forms for a minimum of 4 years or in compliance with your employer, jobsite and governmental regulations and requirements. 3 - 2 GS-2669 RT • GS-3369 RT • GS-4069 RT Part No. 229753...
After repair, place a check in the “R” box. Legend Y = yes, acceptable N = no, remove from service R = repaired Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT 3 - 5...
Page 34
After repair, place a check in the “R” box. Legend Y = yes, acceptable N = no, remove from service R = repaired 3 - 6 GS-2669 RT • GS-3369 RT • GS-4069 RT Part No. 229753...
Note: Contact your authorized Genie distributor or Genie Industries if replacement manuals or decals are needed. Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT 3 - 7...
Refer to the Operator's Manual on your machine. Complete information to perform this procedure is available in the appropriate operator's manual. Refer to the Operator's Manual on your machine. 3 - 8 GS-2669 RT • GS-3369 RT • GS-4069 RT Part No. 229753...
6 Drive the right steer tire into a 4 in / 10 cm deep hole. Result: All four tires should maintain firm contact with the ground. Note: Verify there are no fault codes shown on the ground control display. Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT 3 - 9...
6 Inspect the air filter element. If needed, blow from the inside out using low pressure dry compressed air, or carefully tap out dust. 3 - 10 GS-2669 RT • GS-3369 RT • GS-4069 RT Part No. 229753...
Genie part number 131379 Kubota D1105 Operator's Manual Kubota WG972 Operator's Manual Genie part number 131379 Genie part number 234803 Kubota WG972 Operator's Manual Genie part number 234803 3 - 12 GS-2669 RT • GS-3369 RT • GS-4069 RT Part No. 229753...
Refer to Section 2, Specifications. 5 Install the plugs into the drive hub. 6 Repeat this procedure for the other drive hub. Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT 3 - 13...
See step 5. 4 Start the engine from the ground controls and check the fuel filter/water separator for leaks. 3 - 14 GS-2669 RT • GS-3369 RT • GS-4069 RT Part No. 229753...
Note: Information to perform this procedure is also available in the Kubota D1105 Operator's Manual (Kubota part number 16622-89166) OR the Kubota D1105 Operator's Manual Genie part number 131379 Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT 3 - 15...
Note: Adding terminal protectors and a corrosion preventative sealant will help eliminate corrosion on the battery terminals and cables. 3 Be sure that the battery retainers and cable connections are tight. 3 - 16 GS-2669 RT • GS-3369 RT • GS-4069 RT Part No. 229753...
Do not overfill. • Platform controls 11 Install the vent caps and neutralize any electrolyte that may have spilled. Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT 3 - 17...
5 Install the castle nut lock plate using a new lock 10 Lower the platform to the stowed position and washer OR install a new cotter pin and secure. turn the machine off. 3 - 18 GS-2669 RT • GS-3369 RT • GS-4069 RT Part No. 229753...
Result: The machine functions should not operate. 6 Turn the key switch to the position. Result: The engine should stop and no functions should operate. Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT 3 - 19...
Note: The red Emergency Stop button at the ground controls should stop all machine operation, even if the key switch is switched to platform control. 3 - 20 GS-2669 RT • GS-3369 RT • GS-4069 RT Part No. 229753...
Result: The high idle indicator light should be and the engine should start promptly and operate smoothly in low and high idle. Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT 3 - 21...
Result: The machine should move in the direction that the blue arrow points on the control panel, then come to an abrupt stop. 3 - 22 GS-2669 RT • GS-3369 RT • GS-4069 RT Part No. 229753...
6 Bring the machine to maximum forward drive speed before reaching the start line. Begin timing when your reference point on the machine crosses the start line. Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT 3 - 23...
Refer to Section 2, Specifications . Note: If the raised drive speed does not meet specifications, refer to the Repair procedure 7-2, Function Speed Tuning . 3 - 24 GS-2669 RT • GS-3369 RT • GS-4069 RT Part No. 229753...
Always have an approved fire extinguisher within easy reach. 1 Remove the cap from the fuel tank. Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT 3 - 25...
7 Using a mild solvent, carefully wash the cap venting system. Dry using low pressure compressed air. Repeat this procedure beginning with step 6. 8 Install the breather cap onto the hydraulic tank. 3 - 26 GS-2669 RT • GS-3369 RT • GS-4069 RT Part No. 229753...
5 Repeat steps 1 through 4 for the other drive hub. 6 Check the torque of the drive hub mounting bolts. Refer to Section 2, Specifications . Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT 3 - 27...
Required maintenance procedures and additional engine information is available in the Kubota D1105 Operator's Manual (Kubota part number 16622-89166). Kubota D1105 Operator's Manual Genie part number 131379 3 - 28 GS-2669 RT • GS-3369 RT • GS-4069 RT Part No. 229753...
5 Tag and disconnect the platform controls wire harness from the ECM wire harness. 6 Securely connect the platform controls to the ECM wire harness.. maximum height limit switch Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT 3 - 29...
20 Securely connect the platform controls wire harness to the ECM wire harness. 21 Securely connect the platform controls to the platform controls wire harness at the platform. 3 - 30 GS-2669 RT • GS-3369 RT • GS-4069 RT Part No. 229753...
Note: Be sure to only use a hand operated pump suitable for use with gasoline and/or diesel fuel. Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT 3 - 31...
10 Secure the tank with the tank strap. Tighten the 2 Install and new cap onto the tank. retaining fastener. Do not over tighten. 3 - 32 GS-2669 RT • GS-3369 RT • GS-4069 RT Part No. 229753...
(Kubota part number 16622-89166) OR the Perkins 403D-11 Operator's Manual (Perkins part number SEBU8311-01). Kubota D1105 Operator's Manual Genie part number 131379 Perkins 403D-11 Operator's Manual Genie part number 131661 Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT 3 - 33...
Note: The hydraulic filter is mounted on the Result: The measurement is less than hydraulic tank. inch / 8.71 mm. Replace both upper and lower slider wear pads. 3 - 34 GS-2669 RT • GS-3369 RT • GS-4069 RT Part No. 229753...
(Kubota part number 16622-89166) OR the Kubota WG972 Operator's Manual (Kubota part number EG801-8916-2). Kubota D1105 Operator's Manual Genie part number 131379 Kubota WG972 Operator's Manual Genie part number 234803 Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT 3 - 35...
Genie part number 131661 Kubota WG972 Operator's Manual (Kubota part number EG801-8916-2). Kubota WG972 Operator's Manual Genie part number 234803 3 - 36 GS-2669 RT • GS-3369 RT • GS-4069 RT Part No. 229753...
Refer to Section 2, Specifications. 5 Install the plugs into the drive hub. 6 Repeat this procedure for the other drive hub. Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT 3 - 37...
12 Remove the suction strainer and clean using a 2 Tag and disconnect the harnesses from the mild solvent or replace. ground control box. 3 - 38 GS-2669 RT • GS-3369 RT • GS-4069 RT Part No. 229753...
24 Check the oil level in the tank and add if needed. 25 Install the tank cover plate and install the tank cover plate mounting fasteners. Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT 3 - 39...
(Kubota part number 16622-89166). Kubota WG972 Operator's Manual (Kubota part number EG801-8916-2). Kubota D1105 Operator's Manual Genie part number 131379 Kubota WG972 Operator's Manual Genie part number 234803 3 - 40 GS-2669 RT • GS-3369 RT • GS-4069 RT Part No. 229753...
Perkins 403D-11 Operator's Manual (Kubota part number 16622-89166). (Perkins part number SEBU8311-01). Kubota D1105 Operator's Manual Genie part number 131379 Perkins 403D-11 Operator's Manual Genie part number 131661 Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT 3 - 41...
Page 70
Section 3 • Scheduled Maintenance Procedures November 2014 This page intentionally left blank. 3 - 42 GS-2669 RT • GS-3369 RT • GS-4069 RT Part No. 229753...
• The red Emergency Stop button in the off position at both ground and platform controls • Wheels chocked • All external AC power supply disconnected from the machine Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT 4 - 1...
4 Remove the platform control box from the platform and lay it off to the side. Component damage hazard. The platform controls wiring can be damaged if it is kinked or pinched. Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT 4 - 3...
Note: Note the position of the slider blocks before the platform is removed so that when the platform is installed they will be in the correct position. deck catch deck stop 4 - 4 GS-2669 RT • GS-3369 RT • GS-4069 RT Part No. 229753...
Page 75
7 Carefully slide the platform extension out until the platform extension makes contact with the carriage on the forklift. Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT 4 - 5...
Component damage hazard. 3 pivot pins (index #4 and #13). Cables can be damaged if they are kinked or pinched. Note: Do not remove the external snap ring. Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT 4 - 7...
Page 78
2 pivot pins (index #6 and #16). Note: Do not remove the external snap ring. 14 Using a soft metal drift, remove the pivot pins and set aside. 4 - 8 GS-2669 RT • GS-3369 RT • GS-4069 RT Part No. 229753...
Page 79
3 Using a soft metal drift, remove the center pivot pins and set aside. 4 Carefully lift and separate the linkage assembly apart and place it on a structure capable of supporting it. Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT 4 - 9...
Page 80
22 Number 2 pivot pin (non-steer end) 23 Lift cylinder barrel-end pivot pin 11 Number 1 inner arm 12 Chassis pivot 24 Number 1 outer arm 4 - 10 GS-2669 RT • GS-3369 RT • GS-4069 RT Part No. 229753...
3 Remove the cables from the linkage assembly. supporting it. Component damage hazard. Cables can be damaged if they are kinked or pinched. Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT 4 - 11...
Page 82
3 pivot pins (index #6 and #19). 18 Using a soft metal drift, remove the pivot pins and set aside. Note: Do not remove the external snap ring. 4 - 12 GS-2669 RT • GS-3369 RT • GS-4069 RT Part No. 229753...
Page 83
4 Carefully lift and separate the linkage assembly apart and place it on a structure capable of supporting it. Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT 4 - 13...
Page 84
26 Number 2 inner arm 13 Number 1 center pivot pin (2 each) 27 Number 2 outer arm 14 Number 1 inner arm 28 Number 2 pivot pin (non-steer end) 4 - 14 GS-2669 RT • GS-3369 RT • GS-4069 RT Part No. 229753...
3 Remove the cables from the platform through supporting it. the linkage assembly. Component damage hazard. Cables can be damaged if they are kinked or pinched. Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT 4 - 15...
Page 86
22 Using a soft metal drift, remove the pivot pin. Note: Do not remove the external snap ring. 23 Lower the lift cylinder and remove the strap. 4 - 16 GS-2669 RT • GS-3369 RT • GS-4069 RT Part No. 229753...
Page 87
31 Carefully lift the linkage assembly off of the machine and place it on a structure capable of machine and place it on a structure capable of supporting it. supporting it. Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT 4 - 17...
Page 88
4 Carefully lift and separate the linkage assembly apart and place it on a structure capable of supporting it. It will need to be carefully adjusted for proper balancing. 4 - 18 GS-2669 RT • GS-3369 RT • GS-4069 RT Part No. 229753...
5000 lbs / 2268 kg. Crushing hazard. The linkage assembly could become unbalanced and fall if not properly supported. Bottom 4 Install the platform. Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT 4 - 19...
Page 90
12 Securely install the ladder onto the machine. Do slider channel. not over tighten the fasteners. 8 Remove the upper and lower wear pads and discard. 4 - 20 GS-2669 RT • GS-3369 RT • GS-4069 RT Part No. 229753...
Lift Cylinder(s) hydraulic schematic The lift cylinders are single acting hydraulic cylinders. The GS-2669 RT and GS-3369 RT uses one lift cylinder; the GS-4069 RT uses two. Each lift cylinder is equipped with a check valve to prevent movement in the event of a hydraulic line failure.
Page 92
Note: 'alphanumeric' call outs refer to corresponding notes on the electrical schematic GS-4069 RT platform down solenoid valve upper lift cylinder lower lift cylinder pressure switch (CE models) 4 - 22 GS-2669 RT • GS-3369 RT • GS-4069 RT Part No. 229753...
(-) lead to ground. 6 Hold the glow plug switch in the on position. Result: The volt meter should read 12V DC or more. Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT 4 - 23...
Swing the engine pivot tray out and pump away from the machine to access both pump shaft switches. pump coupler flex plate flywheel inch / 3.175 mm gap Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT 4 - 25...
Page 96
Kubota D1105 Operator's Manual Genie part number 131379 Kubota D1105 Workshop Manual Genie part number 229761 coolant temperature switch oil pressure switch 4 - 26 GS-2669 RT • GS-3369 RT • GS-4069 RT Part No. 229753...
If service or repair is needed, Coolant Temperature and Oil contact your local Kubota dealer. Pressure Switches See 4-5, Coolant Temperature and Oil Pressure Switches . Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT 4 - 27...
7 Hold the throttle lever against the low idle adjustment screw and turn the adjustment screw clockwise to increase rpm or counterclockwise to decrease rpm. 4 - 28 GS-2669 RT • GS-3369 RT • GS-4069 RT Part No. 229753...
Page 99
Kubota WG972 Workshop Manual Genie part number 234802 core clamp screw throttle lever low idle adjustment screw lock nut high idle adjustment nut high idle solenoid Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT 4 - 29...
Page 100
Tighten the yoke lock nut and recheck the rpm. See the illustration. Note: Be sure the solenoid fully retracts when activating high idle. 4 - 30 GS-2669 RT • GS-3369 RT • GS-4069 RT Part No. 229753...
Emergency Stop buttons to the on position at both platform and ground controls. Result: The revision level of the ECM will appear in the LED display window. Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT 4 - 33...
Page 104
8 Press the yellow platform down button to decrease the drive speed or press the blue platform up button to increase the drive speed. Refer to Section 2, Specifications . 4 - 34 GS-2669 RT • GS-3369 RT • GS-4069 RT Part No. 229753...
Page 105
8 Press the yellow platform down button to decrease the drive speed or press the blue platform up button to increase the drive speed. Refer to Section 2, Specifications . Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT 4 - 35...
Page 106
Drive Speed - Raised Position . decrease the drive speed or press the blue platform up button to increase the drive speed. Refer to Section 2, Specifications . 4 - 36 GS-2669 RT • GS-3369 RT • GS-4069 RT Part No. 229753...
Page 107
11 Check the lift speed of the machine. Refer to Section 2, Specifications . Result: is showing in the MAX LIFT SPEED diagnostic display window. 7 Press the lift function enable button. Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT 4 - 37...
Outriggers: When installed on the machine, display window. the outrigger option must be enabled. diagnostic display blue platform up button lift function enable button yellow platform down button 4 - 38 GS-2669 RT • GS-3369 RT • GS-4069 RT Part No. 229753...
Page 109
Note: For this option to function correctly, the display a 4021 fault code. machine must be equipped with the required generator components and the software set to GENERATOR ON Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT 4 - 39...
1 Remove the platform controls from the platform. If you are not installing a new level sensor, proceed to step 9. 2 Locate the level sensor in the ground controls compartment. 4 - 40 GS-2669 RT • GS-3369 RT • GS-4069 RT Part No. 229753...
Page 111
4 Remove the retaining fasteners securing the level sensor to the compartment. Remove the level sensor from the machine. "Y" indicator level sensor "X" indicator chassis Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT 4 - 41...
Page 112
Result - The drive function and the lift function will not operate and the tilt alarm will sound at 180 beeps per minute. Proceed to step 14. 4 - 42 GS-2669 RT • GS-3369 RT • GS-4069 RT Part No. 229753...
Note: Perform this procedure with the machine on a firm, level surface and the platform in the stowed position. Use a digital level to confirm. Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT 4 - 43...
Page 114
3 Tag and disconnect the wire harness from the level sensor. 4 Remove the retaining fasteners securing the level sensor to the compartment. Remove the level sensor from the machine. 4 - 44 GS-2669 RT • GS-3369 RT • GS-4069 RT Part No. 229753...
Page 115
19 Push in the red Emergency Stop button to the off position at the platform controls. chassis level sensor "Y" indicator "X" indicator 12 Disconnect the positive lead. Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT 4 - 45...
Page 116
26 Raise the machine approximately 6 inches / 15 cm. 27 Remove the blocks from under both wheels. 28 Lower the machine and remove the jack. 4 - 46 GS-2669 RT • GS-3369 RT • GS-4069 RT Part No. 229753...
Page 117
44 Remove the blocks from under both wheels. 45 Lower the machine and remove the jack. 46 Center a lifting jack under the drive chassis at the non-steer end of the machine. Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT 4 - 47...
4 Steer the machine fully to the right or left and hold. Note the pressure readings on the pressure gauge. Refer to Section 2, Specifications . 4 - 48 GS-2669 RT • GS-3369 RT • GS-4069 RT Part No. 229753...
Page 119
15 seconds, wait 15 seconds, then crank the engine an additional 15 seconds. 4 Start the engine from the ground controls and check for hydraulic leaks. Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT 4 - 49...
Solenoid valve, 2 position 3 way ..FP ..Oscillate left 15-20 ft-lbs / 20-27 Nm Sequence valve, 850 psi / 58.6 bar ..FQ ..Oscillate circuit ......... 20-25 ft-lbs / 27-34 Nm 4 - 50 GS-2669 RT • GS-3369 RT • GS-4069 RT Part No. 229753...
Page 121
Note: 'alphanumeric' call outs refer to corresponding notes on the electrical schematic FJ - CHECK VALVE IS LOCATED INSIDE THE MANIFOLD UNDER THE VALVE CARTRIDGE. Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT 4 - 51...
Install the relief valve cap. Tip-over hazard. Do not adjust the relief valve higher than specified. 4 - 52 GS-2669 RT • GS-3369 RT • GS-4069 RT Part No. 229753...
Page 123
8 Repeat this procedure beginning with step 3 to confirm the relief valve pressure. 9 Remove the pressure gauge. Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT 4 - 53...
Page 124
15 Lower the platform onto the safety arm. Push in diagnostic display window. The ECM is now in the red Emergency Stop button to the off programming mode. position. 4 - 54 GS-2669 RT • GS-3369 RT • GS-4069 RT Part No. 229753...
Page 125
22 Place the maximum rated load in the platform. Secure the load to the platform. Refer to Section 2, Specifications . 23 Start the engine from the ground controls. Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT 4 - 55...
Page 126
32 Remove the jumper from the pressure switch harness and connect it to the pressure switch. 33 Install the maximum height limit switch to the lower slider channel. 4 - 56 GS-2669 RT • GS-3369 RT • GS-4069 RT Part No. 229753...
Page 127
42 Use the yellow platform down arrow to scroll to overload. Result: is showing in the diagnostic OVERLOAD ON display window. 43 Press the lift function enable button to deactivate the overload option. Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT 4 - 57...
Page 128
Do not adjust the relief valve higher than specified. 4 - 58 GS-2669 RT • GS-3369 RT • GS-4069 RT Part No. 229753...
Resistance Specification table. 12V DC with diode (schematic item FK) Result: If the resistance is not within the adjusted specification, plus or minus 10%, replace the coil. Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT 4 - 65...
Page 136
0 mA, or if the two current readings do not differ by a minimum of 20%, the coil and/or its internal diode are faulty and the coil should be replaced. 4 - 66 GS-2669 RT • GS-3369 RT • GS-4069 RT Part No. 229753...
Page 137
Result: is showing in the diagnostic TUNE SPEEDS display window. diagnostic display blue platform up button lift function enable button yellow platform down button Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT 4 - 67...
Note: Be sure to only use a hand operated pump suitable for use with gasoline and/or diesel fuel. 3 Tag, disconnect and plug the fuel supply and return hoses from the fuel tank. 4 - 68 GS-2669 RT • GS-3369 RT • GS-4069 RT Part No. 229753...
Component damage hazard. During installation, do not overtighten the hydraulic tank strap mounting fastener. Note: Clean the hydraulic tank and inspect for cracks or other damage before installing. Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT 4 - 69...
Loosen hydraulic connections very slowly to allow the oil pressure to dissipate gradually. Do not allow oil to squirt or spray. 4 - 70 GS-2669 RT • GS-3369 RT • GS-4069 RT Part No. 229753...
2 Remove the rue ring from each cylinder clevis Remove the drive motor from the yoke. pin. Remove the clevis pins. 3 Remove the steer cylinder from the machine. Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT 4 - 71...
Note: Adjust the lifting jack to reduce the load on the pivot pins. Do not lift the machine off of the ground. 5 Remove the oscillate cylinder from the machine. 4 - 72 GS-2669 RT • GS-3369 RT • GS-4069 RT Part No. 229753...
Start the engine. Note: During this procedure a fault code 64 will appear on the ground controls display. Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT 4 - 73...
Page 144
(item A) and the connector with the white wire to the oscillate right coil (item B) that were removed in step 2. Refer to illustration 2. Continue to Check the Steering. 4 - 74 GS-2669 RT • GS-3369 RT • GS-4069 RT Part No. 229753...
Loosen hydraulic connections very slowly to allow the oil pressure to dissipate gradually. Do not allow oil to squirt or spray. Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT 4 - 75...
2 Center a lifting jack of ample capacity under the drive chassis at the non-steer end of the machine. 3 Loosen the wheel lug nuts. Do not remove them. 4 - 76 GS-2669 RT • GS-3369 RT • GS-4069 RT Part No. 229753...
Loosen hydraulic connections very slowly to allow the oil pressure to dissipate gradually. Do not allow oil to squirt or spray. Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT 4 - 77...
Note: The pressure switch is located on the lower 5 Locate the Electronic Control Module (ECM) wire lift cylinder. harness 6 pin connector to platform controls connection below and behind the control box. 4 - 78 GS-2669 RT • GS-3369 RT • GS-4069 RT Part No. 229753...
Page 149
19 Rotate the safety arm away from the machine and let it hang down. 20 Lower the scissor assembly until the safety arm rest on the cross tube. Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT 4 - 79...
Page 150
7 Lower the platform enough to return the safety arm to the stowed position. 8 Lower the platform to the stowed position. Remove the test weight. 4 - 80 GS-2669 RT • GS-3369 RT • GS-4069 RT Part No. 229753...
10 Push in the red Emergency Stop button to the position and pull out the red Emergency stop off position at the ground controls. button to the on position at the platform controls. Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT 4 - 81...
Page 152
PUT CORRECT RATED LOAD PLATFORM IN PLATFORM OVERLOAD SYSTEM NOT TURN THE PRESSURE SWITCH ADJUSTED PROPERLY NUT 1/4 TURN INTO THE HYDRAULIC LINE OR REPEAT CALIBRATION PROCEDURE 4 - 82 GS-2669 RT • GS-3369 RT • GS-4069 RT Part No. 229753...
Do not allow oil to position at both ground and platform controls squirt or spray. • Wheels chocked • All external AC power supply disconnected from the machine Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT 5 - 1...
Page 154
Platform LED Green - System ready, normal operation. Red - A fault condition has occurred. 5 - 2 GS-2669 RT • GS-3369 RT • GS-4069 RT Part No. 229753...
Drive Enable Function enable Machine functions Release function Switch switch activated disabled. enable switch before when machine is power up or replace powered on. joystick. Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT 5 - 3...
Page 156
Right Rear Right rear Outriggers disabled. Troubleshoot button or Outrigger Switch outrigger enable replace circuit board button fault, at platform controls. platform controls. 5 - 4 GS-2669 RT • GS-3369 RT • GS-4069 RT Part No. 229753...
Page 158
Reverse 1 Coil Drive reverse coil High speed drive Troubleshoot drive (Y5) fault. function disabled. reverse valve coil or wiring. 5 - 6 GS-2669 RT • GS-3369 RT • GS-4069 RT Part No. 229753...
Page 159
Check oil level. Check wiring to temperature switch. Replace temperature switch. Low ECU Voltage N/A Low input voltage System shutdown. Charge battery. to ECU. Replace battery. Check alternator. Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT 5 - 7...
Page 160
Oscillate float coil Elevated drive and Troubleshoot coil or (Y95) fault. platform up disabled. wiring. Machine Type Incorrect model Machine will not Select correct model configuration operate. configuration. selected. 5 - 8 GS-2669 RT • GS-3369 RT • GS-4069 RT Part No. 229753...
Page 161
Be sure that all necessary tools and test equipment are available and ready for use. Identify Malfunction Troubleshoot discovered symptoms problem still exists Return to Inspect Perform service and test repair problem solved Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT 6 - 1...
EMERGENCY STOP BUTTON S W 5 FUNCTION ENABLE SWITCH S W 6 STEER RIGHT / LEFT SWITCH PLATFORM CONTROLS CIRCUIT BOARD BN14 WH/BL JC10 JC10 BN20 Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT 6 - 65...
EMERGENCY STOP BUTTON S W 5 FUNCTION ENABLE SWITCH S W 6 STEER RIGHT / LEFT SWITCH PLATFORM CONTROLS CIRCUIT BOARD BN14 WH/BL JC10 JC10 BN20 Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT 6 - 73...
EMERGENCY STOP BUTTON S W 5 FUNCTION ENABLE SWITCH S W 6 STEER RIGHT / LEFT SWITCH PLATFORM CONTROLS CIRCUIT BOARD BN14 WH/BL JC10 JC10 BN20 Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT 6 - 81...