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Technical Publications ® Service Manual Third Edition, First Printing Part No. 43063...
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First Printing December, 1997 "Genie" and "Z" are a registered trademark Readers are encouraged to notify Genie of errors of Genie Industries in the U.S.A. and many other and send in suggestions for improvement. All countries communications will be carefully considered for Printed on recycled paper future printings of this and other manuals.
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Service Manual - Third Edition Safety Rules Danger Failure to obey the instructions and safety rules in this manual and the appropriate Genie Z-30/20 Operator’s Manual will result in death or serious injury. Many of the hazards identified in the operator’s manual are also safety hazards...
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Be sure to properly dispose of old oil or such as moving parts, free swinging or other fluids. Use an approved container. unsecured components when lifting or Please be environmentally safe . placing loads. Always wear approved steel-toed shoes. Genie Z-30/20 Part No. 43063...
Test the Platform and Ground Controls ............4 - 4 Test the Platform Rotation ................4 - 4 Test the Tilt Sensor ..................4 - 5 Test the Manual Controls ................4 - 5 A-10 Test the Limit Switches ................... 4 - 6 Part No. 43063 Genie Z-30/20...
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Grease the Turntable Rotation Bearing and Worm Drive Gear ....4 - 17 Replace the Torque Hub Oil ................. 4 - 17 Replace the Hydraulic Filter ................4 - 18 Test or Replace the Hydraulic Oil ..............4 - 19 Genie Z-30/20 Part No. 43063...
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Drive Reverse Function Inoperative .............. 5 - 56 Machine Will Not Drive At Full Speed ............5 - 57 Machine Drives At Full Speed With Platform Raised ........5 - 58 Remote Brake Release Inoperative .............. 5 - 59 Part No. 43063 Genie Z-30/20...
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Ground Control Panel Legend .................. 6 - 4 Power Panel Legend ....................6 - 5 Platform Control Panel Legend ................6 - 6 Hydraulic Symbols Legend ..................6 - 7 Hydraulic Schematic ....................6 - 8 Genie Z-30/20 Part No. 43063 viii...
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Secondary Boom Lift Cylinder ..............7 - 20 Ground Controls Toggle Switches, See 1-3, Toggle Switches ........... 7 - 6 Control Relays ....................7 - 21 Hydraulic Pumps Main Function Pump ..................7 - 22 Part No. 43063 Genie Z-30/20...
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Yoke and Hub ....................7 - 37 Steering Cylinder ..................7 - 38 Tie Rod ......................7 - 38 Non-steering Axle Components 10-1 Drive Motor ....................7 - 39 10-2 Torque Hub ....................7 - 39 Genie Z-30/20 Part No. 43063...
Hydraulic system capacity 4 gallons 15.1 liters Turntable rotation 359° (including tank) Platform rotation 130° Continuous improvement of our products is a Genie policy. Product specifications are subject to change without notice. Part No. 43063 Genie Z-30/20 2 - 1...
23 to 25 seconds Secondary boom down 25 to 27 seconds Turntable rotate - 180° 10 to 12 seconds Platform level up 5 to 7 seconds Platform level down 8 to 10 seconds 2 - 2 Genie Z-30/20 Part No. 43063...
Torque specifications for lubricated bolts are 25% less than dry torque specifications for each bolt size. These bolt torque specifications are for general use only. Specification may vary depending on application of bolt. Part No. 43063 Genie Z-30/20 2 - 3...
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Section 2 - Specifications Service Manual - Third Edition This page intentionally left blank. 2 - 4 Genie Z-30/20 Part No. 43063...
Maintenance Inspection Report The maintenance inspection report contains checklists for each type of scheduled inspection. Make copies of the Maintenance Inspection Report to use for each inspection. Store completed forms for three years. Part No. 43063 Genie Z-30/20 3 - 1...
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Perform 30 Day Service Table B Check the Batteries Inspect the Electrical Wiring Inspect the Tires and Wheels (including lug nut torque) Confirm the Proper Brake Configuration Check the Oil Level in the Torque Hubs 3 - 2 Genie Z-30/20 Part No. 43063...
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B-14 Test the Alarm Package - Optional Equipment B-15 Perform Hydraulic Oil Analysis See D-1 Test or Replace the Hydraulic Oil B-16 Test the Turntable Rotation Stop B-17 Check the Electrical Contactors Part No. 43063 Genie Z-30/20 3 - 3...
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Check the Turntable Rotation Bearing Bolts Check the Free-wheel Configuration Grease the Turntable Rotation Bearing and Worm Drive Gear Replace the Torque Hub Oil Replace the Hydraulic Filter Table D Test or Replace the Hydraulic Oil 3 - 4 Genie Z-30/20 Part No. 43063...
“R” box. B-14 Alarm package Legend B-15 Hydraulic oil analysis Y = yes, acceptable N = no, remove from service B-16 Turntable stop R = repaired B-17 Electrical contactors Comments Part No. 43063 Genie Z-30/20 3 - 5...
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Section 3 - Scheduled Maintenance Inspections Service Manual - Third Edition Warm Cold Dealer Tools are New parts engine engine service required required required required suggested This page intentionally left blank. 3 - 6 Genie Z-30/20 Part No. 43063...
· Machine parked on a flat level surface · Boom in the stowed position · Turntable rotated with the boom between the non-steering wheels · Key switch in the position with the key removed · Wheels chocked Part No. 43063 Genie Z-30/20 4 - 1...
1 Check to be sure the storage container is present and in good condition. 1 Refer to the Decals section in the appropriate Genie Z-30/20 Operator’s Manual and use the 2 Check to make sure that the operator’s, decal list and illustrations to determine that all responsibilities and safety manuals are present decals and placards are in place.
· Ground area under the machine checks allow the inspector to identify changes in oil level that might indicate the presence of hydraulic system problems. 1 Be sure that the boom is in the stowed position. Part No. 43063 Genie Z-30/20 4 - 3...
5 Turn the key switch to platform control and lift binding. the red Emergency Stop switch cover and move the toggle switch to the position. Pull out the Emergency Stop Button to the position at the platform controls. 4 - 4 Genie Z-30/20 Part No. 43063...
3 Push and hold the T-handle against the valve spool, operate the hand pump. Result: Boom function should operate. 4 Repeat steps 2 and 3 to test each boom function. Manual controls will not operate the drive function. Part No. 43063 Genie Z-30/20 4 - 5...
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A distinct click should be felt and heard. 5 Turn the key switch to ground control and lift the red Emergency Stop switch cover and move the toggle switch to the position. 4 - 6 Genie Z-30/20 Part No. 43063...
6 Inspect the following areas for burnt, chafed, corroded, pinched and loose wires: · Mid-pivot to cable track · Cable track on the primary boom · Primary boom to platform cable harness · Inside of the platform control box 4 - 8 Genie Z-30/20 Part No. 43063...
1 Check each torque hub disconnect cap to be Capacity 17 fluid ounces sure it is in the engaged position. 0.5 liters brake disengage position Type: SAE 90 multipurpose hypoid gear oil - API service classification GL5 brake engage position Part No. 43063 Genie Z-30/20 4 - 9...
6 Attempt to activate any function at the platform controls. Result: No machine functions should operate. The ground Emergency Stop Switch will stop all machine operation, even if the key switch is switched to platform control. 4 - 10 Genie Z-30/20 Part No. 43063...
Pull out the Emergency Stop Button to the position at the platform controls. 2 Activate the function enable switch and lower the boom to the stowed position. Part No. 43063 Genie Z-30/20 4 - 11...
Select a test area that is firm, level and free of obstructions. level and free of obstructions. 1 Create start and finish lines by marking two lines on the ground 40 feet (12.2 m) apart. 4 - 12 Genie Z-30/20 Part No. 43063...
Move the secondary boom switch to the position, DOWN hold for a moment and then release it. Result: The descent alarm should sound when each control switch is held down. Part No. 43063 Genie Z-30/20 4 - 13...
3 Rotate the turntable to the right full circle as far as it will go. Result: Movement should stop when the primary boom reaches mid-point between the steer tires. 4 - 14 Genie Z-30/20 Part No. 43063...
4 Disconnect the battery packs from the machine. 5 Remove the mounting fasteners from both battery packs. Use a lifting device to remove the battery packs from the machine. Part No. 43063 Genie Z-30/20 4 - 15...
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12 Lower the counterweight and then remove the counterweight from the machine. Crushing hazard. The counterweight may become unbalanced and fall if it is not properly supported. 4 - 16 Genie Z-30/20 Part No. 43063...
Carefully remove the jack stands, lower the machine and remove the jack. Collision hazard. Failure to re-engage the torque hubs may cause death or serious injury and property damage. Part No. 43063 Genie Z-30/20 4 - 17...
6 Remove the suction strainer and clean it using a mild solvent. 7 Install the suction strainer. 8 Install the reservoir onto the power unit. 9 Install the reservoir drain plug using a thread sealant. Part No. 43063 Genie Z-30/20 4 - 19...
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Service Manual - Third Edition Section 4 - Scheduled Maintenance Procedures This page intentionally left blank. 4 - 20 Genie Z-30/20 Part No. 43063...
Troubleshooting Flow Charts Before Troubleshooting: Read, understand and obey the safety rules and operating instructions printed in the Genie Z-30/20 Operator’s Manual. Be sure that all necessary tools and test equipment are available and ready for use. Observe and Obey: Read each appropiate flow chart thoroughly.
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When a function will not operate with the same speed or power as a machine in good working condition, refer to the flow chart which most closely describes the problem. 5 - 2 Genie Z-30/20 Part No. 43063...
All Functions AxusÆxtqysÆvyt DyÆyxÆBu ÆGG Inoperative, uu uyquÆxtqys vyt Power Unit Starts and Runs Æw t AxusÆv ÆqÆ yyu VuqsuÆ Æ Æ s usy Æruuu uusysÆ Æqt ÆrÆu yw Æv ÆÆ Ær uquÆqÆx u s usut Æ`yq sxusÆs usy w t Æw t XuÆxtqysÆ VuqsuÆ WuuÆVuqyÆusy w t A ÆEuyuÆGtyu WuysuÆBuqu 5 - 8 Genie Z-30/20 Part No. 43063...
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Service Manual - Third pEdition Section 5 - Troubleshooting Flow Charts CHART 25 ayxÆw tÆs VuqyÆ uÆyÆut!x A yutÆv Æxu "` CuwusÆW Æysx yuÆsysyÆv ÆX)0Æ uy Æqwu utÆ Æ ÆxuÆ rquÆuuquÆquÆR A yy ÆqsyquÆu u yuÆX rquÆuuquÆqtÆsxus qwuÆqÆut!xÆyu ÆrquÆuuquÆqu R A ÆyuÆX $"`Æ Æ u A ÆEuyuÆGtyu WuysuÆBuqu Part No. 43063 Genie Z-30/20 5 - 61...
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Service Manual - Third Edition Section 5 - Troubleshooting Flow Charts This page intentionally left blank. 5 - 62 Genie Z-30/20 Part No. 43063...
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Do not allow oil to squirt Read, understand and obey the safety rules or spray. and operating instructions printed in the Genie Z-30/20 Operator's Manual. General Repair Process Be sure that all necessary tools and test equipment are available and ready for use.
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Section 6 - Schematics Service Manual - Third Edition Electrical Symbols Legend 6 - 2 Genie Z-30/20 Part No. 43063...
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Service Manual Section 6 - Schematics Electrical Schematic BLU/BLK BLU/BLK Part No. 43063 Genie Z-30/20 6 - 3...
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Service Manual - Third Edition Section 6 - Schematics Ground Controls Legend Part No. 43063 Genie Z-30/20 6 - 4...
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Section 6 - Schematics Service Manual - Third Edition Contactor Box and Turntable PC Board Legend 6 - 5 Genie Z-30/20 Part No. 43063...
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Service Manual - Third Edition Section 6 - Schematics Platform Controls Legend Part No. 43063 Genie Z-30/20 6 - 6...
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Service Manual - Third Edition Section 6 - Schematics Hydraulic Symbols Legend 6 - 7 Genie Z-30/20 Part No. 43063...
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Service Manual Section 6 - Schematics Hydraulic Schematic Part No. 43063 Genie Z-30/20 6 - 8...
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Before Repairs Start: problem Read, understand and obey the safety rules still exists and operating instructions in the Genie Z-30/20 Operator's Manual. Return to Inspect Perform service and test repair Be sure that all necessary tools and parts are problem available and ready for use.
Connect the red (+) lead to result in death or serious injury. the "B" terminal on the printed circuit board. Remove all rings, watches and other jewelry. 7 - 2 Genie Z-30/20 Part No. 43063...
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12 Raise the primary boom or the secondary boom approximately 5 feet (1.5 m) to activate the drive limit switch. Part No. 43063 Genie Z-30/20 7 - 3...
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Connect the black (-) lead to the spade terminal on the valve coil where the blue/red wire was removed from. 7 - 4 Genie Z-30/20 Part No. 43063...
Max-out 0.72 to 0.75 amps wire combination listed below and check for (controller turned to "9") continuity. Test Desired result black to white continuity (zero W) Part No. 43063 Genie Z-30/20 7 - 5...
3 to 4, 5 & 6 no continuity terminal 4 to 5 continuity terminal 4 to 6 no continuity terminal 5 to 6 no continuity Single pole double throw (SPDT) Double pole double throw (DPDT) 7 - 6 Genie Z-30/20 Part No. 43063...
3 Remove the pin retaining fastener from Do not overtighten the platform the rod-end pin. mounting fasteners during 4 Remove the pin retaining fastener from installation. the barrel-end pin. Part No. 43063 Genie Z-30/20 7 - 7...
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3 Loosen the lock nut on the needle valve. Do not remove the valve. locknut primary extension boom needle valve platform pivot mount 4 Open the needle valve by turning the needle valve counterclockwise until it stops. 7 - 8 Genie Z-30/20 Part No. 43063...
1 Open the platform control box lid and remove the platform control box mounting fasteners. Lay the platform controls off to the side. Component damage hazard. Cables can be damaged if they are kinked or pinched. Part No. 43063 Genie Z-30/20 7 - 9...
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Tighten the locknut until it is difficult to twist the platform. 7 Operate the platform rotator and check for smooth operation. 7 - 10 Genie Z-30/20 Part No. 43063...
Perform this procedure with the boom in the stowed position. 1 Remove the platform. See 2-1, How to Remove the Platform. 2 Disconnect the battery pack plugs from the machine. 3 Remove the turntable covers. Part No. 43063 Genie Z-30/20 7 - 11...
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Use the oil pressure to dissipate a soft metal drift to remove the pin. gradually. Do not allow oil to squirt or spray. 7 - 12 Genie Z-30/20 Part No. 43063...
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During removal, the overhead crane strap will need to be carefully adjusted for proper balancing. 7 Remove the retaining fasteners from the extension cylinder rod-end mounting brackets at the platform end of the inner tube. Part No. 43063 Genie Z-30/20 7 - 13...
Component damage hazard. Be gradually. Do not allow oil to squirt sure not to damage the or spray. counterbalance valve block on the barrel end of the primary boom lift cylinder. 7 - 14 Genie Z-30/20 Part No. 43063...
Cap the fittings on the cylinder. Bodily injury hazard. Spraying hydraulic oil can penetrate and burn skin. Loosen hydraulic connections very slowly to allow to dissipate gradually. Do not allow oil to squirt or spray. Part No. 43063 Genie Z-30/20 7 - 15...
Do not allow oil to squirt or spray. 2 Remove the pin retainer from the master cylinder rod-end pivot pin. Place a rod through the rod-end pivot pin and twist to remove the pin. 7 - 16 Genie Z-30/20 Part No. 43063...
Dealer service is required. Follow the disassembly steps to the point required to complete the repair. Then re-assemble the secondary boom by following the disassembly steps in reverse order. Part No. 43063 Genie Z-30/20 7 - 17...
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20 Use a soft metal drift to remove the secondary cylinder with a lifting strap from an overhead boom pivot pin at the mid-pivot. crane to support it when the barrel-end pivot pin is removed. 7 - 18 Genie Z-30/20 Part No. 43063...
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27 Lower the rod end of the secondary boom lift may become unbalanced and fall cylinder onto the wood block. when it is removed from the machine. Part No. 43063 Genie Z-30/20 7 - 19...
Do not lift it. 6 Remove the pin retaining fasteners from the secondary boom lift cylinder barrel-end pivot pin. Then use a soft metal drift to remove the pin. 7 - 20 Genie Z-30/20 Part No. 43063...
3 Connect the leads from an ohmmeter to each terminal combination and check for continuity. Terminals 7 and 8 represent the coil and should not be tested in any other combination. Relay Schematic Bubble number represents the terminal number Part No. 43063 Genie Z-30/20 7 - 21...
Function Pump 1 Drain the reservoir into a suitable container. 2 Remove the mounting fasteners from the hydraulic reservoir. Remove the reservoir. 3 Remove the pump mounting bolts. Carefully remove the pump. 7 - 22 Genie Z-30/20 Part No. 43063...
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Service Manual - Third Edition Section 7 - Repair Procedures This page intentionally left blank. Part No. 43063 Genie Z-30/20 7 - 23...
6 Repeat steps 2 through 3 and recheck the Secondary boom down relief valve specifications valve pressure. Pressure 1600 psi Primary boom down relief valve specifications 110 bar Pressure 1400 psi 97 bar 7 - 26 Genie Z-30/20 Part No. 43063...
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Tip-over hazard. Do not adjust the relief valves higher than recommended. 6 Repeat steps 2 through 3 and recheck the valve pressure. Turntable rotate relief valve specifications Pressure 850 psi 58.6 bar Part No. 43063 Genie Z-30/20 7 - 27...
Then raise the primary lift cylinder with the crane, to a vertical position. 5 Remove the pin retainer from the pivot pin at the barrel end of the primary boom lift cylinder. 7 - 32 Genie Z-30/20 Part No. 43063...
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Do not allow oil to squirt Crushing hazard. or spray. Turntable may be become unbalanced and fall if the forks do not extend past the center point of the turntable. Use fork extensions if necessary. Part No. 43063 Genie Z-30/20 7 - 33...
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22 Remove the fasteners from the cover at the non-steer end of the drive chassis. Remove the cover from the machine. 7 - 34 Genie Z-30/20 Part No. 43063...
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Align the mark with the rotation stop block on the chassis. Specifications - torque First rotation 95 foot pounds 129 Newton meters Second rotation 190 foot pounds 258 Newton meters Part No. 43063 Genie Z-30/20 7 - 35...
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13 Position the turntable so that the flat side of the turntable is parallel with the worm drive gear. 7 - 36 Genie Z-30/20 Part No. 43063...
7 Remove the retaining fastener from the king with grease. pin. 2 Place the large inner bearing into the rear 8 Attach a strap from a lifting device to the of the hub. yoke/hub assembly for support. Part No. 43063 Genie Z-30/20 7 - 37...
1 Remove the cotter pin from both clevis pins, then remove the clevis pin from each end of the tie rod. 2 Remove the tie rod. Always use a new cotter pin when installing a clevis pin. 7 - 38 Genie Z-30/20 Part No. 43063...
Bodily injury hazard. Spraying hydraulic oil can penetrate and burn skin. Loosen hydraulic connections very slowly to allow the oil pressure to dissipate gradually. Do not allow oil to squirt or spray. Part No. 43063 Genie Z-30/20 7 - 39...
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Genie North America 18340 NE 76th Street P.O. Box 97030 Redmond, Washington 98073-9730 Distributed By: Genie Europe Brunel Drive Newark Nottinghamshire NG24 2EG England...
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