Genie Genie Articulated Boom Lift S-40 HF S-40 HF

This maintenance procedure applies to the following models: S-100, S-105, S-120, S-125, S-100HD, S-120HD, SX-105 XC, SX-125 XC, SX-135 XC, SX-150, SX-180, Z-80/60, Z-135/70 and ZX-135/70

Perform this procedure with the machine on a firm, level surface with the axles extended

Perform this procedure with all weight, tools, equipment and personnel removed from the platform

If any boom safety limit switches are faulty, the primary boom will only retract and not lower

Turn the key switch to the ground control and pull out the red Emergency Stop button to the on position. Start the engine

Fully raise the secondary boom then extend it approximately 4 ft / 1.2 m (Z-80, Z-135 and ZX-135 models)

Raise the primary boom approximately 15° then extend it approximately 4 ft / 1.2 m (All models)

Turn the key switch to the off position to turn off the engine. Turn the key switch back to ground controls

Remove the key from the main key switch and insert the key into the bypass/recovery key switch

- Test the Safety Envelope and Circuits - Z-80/60

Testing the machine safety envelope is critical to safe machine operation. If the boom is allowed to operate when a safety switch is not functioning correctly, the machine stability is compromised and may tip over

For limit switch and angle sensor information, Refer to appropriate Service and Repair Manual for your machine

Note: Use the following chart to identify the description of each LCD screen control button used in this procedure

Secondary Boom #1 Angle Safety Limit Switch, LSS2AS

1. Turn the key switch to ground control and pull out the red Emergency Stop button to the on position at both ground and platform controls

2. Start the engine from the ground controls

3. Press the (plus)(minus) buttons on the LCD screen to activate status mode

4. Press the enter or previous button on the LCD screen until secondary boom length is displayed

- Confirm the Proper Brake Configuration

1. Locate the drive hub disconnect cap

2. Check each drive hub disconnect cap to be sure it is in the engaged position

Collision hazard. Be sure that the machine is not in free-wheel or partial free-wheel configuration

Refer to maintenance procedure, Confirm the Proper Brake Configuration

Note: Select a test area that is firm, level and free of obstructions

1. Mark a test line on the ground for reference

Warning: Ensure the axles are fully extended before attempting this procedure

Is the wear pad measurement less than 0.437 inch/1.12 mm?

If a wear pad is not less than specification, shim as necessary to obtain minimum clearance and no drag

If any wear pads are replaced, refer to Repair Procedure in the appropriate Service and Repair Manual for your machine, Grease the Extendable Axles

Check for tight spots that may cause binding or scraping of the axle tubes

Sign off on the axle wear pads check

Warning: These procedures do not apply to certain engine models. If RPM or service is required, please contact Genie Product Support

Models with ALC-600 operating system

Start the engine from the ground controls

Press the Home button on the display. Press button 2 under the engine idle icon and select low idle

Press button 1 under the gauges icon. Scroll down to RPM and press Ok

Press button 2 under the engine idle icon and select high idle

Models with ALC-1000 operating system

Start the engine from the ground controls

Press the enter or previous button on the LCD screen until engine rpm is displayed