Genie Articulated Boom Lift Z-40/23/N RJ

Warning: This procedure 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 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 backlash within tolerance?

If 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

Warning: Perform this procedure with the machine on a firm, level surface with the boom in the stowed position.

Torque the turntable bearing bolts to specification

Raise the boom to full height using the ground controls

Place a dial indicator between the drive chassis and the turntable

Adjust the dial indicator needle to the 'zero' position

Lower the boom to a horizontal position and fully extend the boom

Enter the reading on the dial indicator

Move the booms to the positions indicated in step 3. Visually inspect the dial indicator to be sure the needle returns to the 'zero' position

Warning: This maintenance check requires trained personnel with PPE!

If hydraulic oil test failed, proceed to replace the hydraulic oil.

Drain plug from the hydraulic tank removed?

Hydraulic tank completely drained into a suitable container?

Tank filled with the proper hydraulic oil for your machine?

Clean up and proper disposal of any oil that may have spilled?

- Check the Free-wheel Configuration

Proper use of the free-wheel configuration is essential to safe machine operation. The free-wheel configuration is used primarily for towing. A machine configured to free-wheel without operator knowledge may cause death or serious injury and property damage

Models with 2 wheel steer will be referenced with Non-steer and steer wheels

Models with 4 wheel steer will be referenced with Circle-end and Square-end wheels

Collision hazard. Select a work site that is firm and level

Component damage hazard. If the machine must be towed, do not exceed 2 mph / 3.2 km/h

Non-steer or Circle-end wheels:

- 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