Genie Articulated Boom Lift Z20-8N

Warning: This procedure requires trained personnel with PPE!

Track assembly cleaned of any dirt, rocks, clay, etc.

Tracks chocked to prevent the machine from rolling

Machine lifted with a jack of ample capacity (20,000 Ibs / 10,000 kg)

Jack stands placed under the drive chassis for support

Visual inspection of the track under the bogey wheels performed

Grease plug on the track tension cylinder located and loosened

Grease zerk fitting on the other side of the track tension cylinder located

Grease pumped into the grease zerk fitting of the tension cylinder until grease, free from air, comes out of the grease plug

Check for leaks in Oil, fuel and coolant systems

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

Warning: This procedure is for ALC1000 Models only. It does not apply to the Z-60/80 models.

Perform this procedure with the machine fully stowed and the counterweight at the square end of the machine.

Perform this procedure with the machine on a firm, level surface that is free of obstructions.

Is the boom centered between the circle end wheels?

Did you apply approximately 20 lbs / 89 N of side force to the platform, moving the platform to one side as far as it will go?

Enter the gap measurement between the swing hub pinion gear and the turntable rotation bearing at the center tooth on one of the drive hubs.

Select the model of the machine

Is the gap within the tolerance range for the selected model?

If the gap is not within the tolerance range, the backlash needs to be adjusted. Refer to Repair Procedure in the appropriate Service and Repair Manual for your machine, How to Adjust the Turntable Rotation Gear Backlash.

- Test the Drive Speed - Raised or Extended Position, ALC1000 Models

Proper drive function is essential to safe machine operation. The drive function should respond quickly and smoothly to operator control

Drive performance should also be free of hesitation, jerking and unusual noise over the entire proportionally controlled speed range

Note: Perform this procedure with the machine on a firm, level surface that is free of obstructions

This maintenance procedure applies to the following models: S-100, S-105, S-120, S-125, SX-105 XC, SX-125 XC, SX-135 XC, S-100HD, S-120HD, SX-150, SX-180, 2-80/60, Z-135/70 and ZX-135/70

S-100, S-105, S-120, S-125, SX-105 XC, SX-125 XC, SX-135 XC, S-100HD and S-120HD

1. Create start and finish lines by marking two lines on the ground 40 feet / 12.2 m apart

2. Raise the boom to a horizontal position

3. Extend the primary boom until the envelope alarm and LED are activated