Free-wheel Configuration for Winching Chock the wheels to prevent the machine from rolling. 2WD models: Release the non-steer wheel brakes by turning over the torque hub disconnect caps (see below). 4WD models: Release the wheel brakes by turning over all four torque hub disconnect caps (see below). Be sure the winch line is properly secured to the drive chassis tie points and the path is clear of all obstructions. Reverse the procedures described to re-engage the brakes. Note: The pump free-whe

If the light stays red, tag and remove the machine from service. OPERATING INSTRUCTIONS Indicator Light Flashing Red If the indicator light is flashing red, the platform is overloaded and no functions will operate. An alarm will sound at the platform controls. Remove weight from the platform. Push in and pull out the red Emergency Stop button to reset the system. If the platform is still overloaded, the light will continue to flash. To Extend and Retract Platform 1 Lift the platform extension lo

12 Pull out the red Emergency Stop button to the on position. 13 Push and hold the lift function enable button. Push and hold the platform down button. Result: The platform should lower. 14 Turn the key switch to platform control and restart the engine. FUNCTION TESTS At the Platform Controls Test Emergency Stop 15 Push in the platform red Emergency Stop button to the off position. Result: No functions should operate. 16 Pull the red Emergency Stop button out to the on position. Result: The gree

It should be used only with adequate safety factors. Continuous improvement of our products is a Genie policy. Product specifications are subject to change without notice or obligation. PartNo.82828 Genie GS-3384 & GS-3390 & GS-4390 & GS-5390 Operator's Manual Second Edition • Third Printing SPECIFICATIONS GS-4390 Height, working maximum 15.1 m Height, platform maximum 13.1 m Height, stowed maximum 2.9 m Rails up Height, stowed maximum 2.9 m Rails lowered Width, standard tires 2.3 m Width, high-

Avoid spilling or contacting battery acid. Neutralize battery acid spills with baking soda and water. The battery pack must remain in an upright position. Genie Lift Part No. 35566 First Edition • Sixth Printing Operator's Manual Explosion Hazards Batteries emit explosive gas. Keep sparks, flames and lighted tobacco away from the battery. Charge the battery in a well-ventilated area. Do not disconnect the charger DC output wires from the battery when the charger is on. Electrocution Hazards Conn

Do not fill to maximum level until the battery charge cycle is complete. Overfilling can cause the battery acid to overflow during charging. Neutralize battery acid spills with baking soda and water. 3 Install the battery vent caps. 4 Charge the battery. 5 Check the battery acid level when the charging cycle is complete. Replenish with distilled water to the bottom of the fill tube. Do not overfill. 16 Genie Lift Part No. 35566 First Edition • Sixth Printing Operator's Manual Transport Instructi