Terex GS90D-4695 Service And Repair Manual

Also see for Genie GS-3390: Maintenance manual Maintenance manual Operator's manual Service and repair manual Service and repair manual

Service and Repair Manual December 2023Ground Controls72 GS™-3390 • GS™-4390 • GS™-5390 Part No. 1325652GT10 Tighten the level sensor adjusting fastenersuntil the bubble in the top of the level sensoris centered in the circles.Note: Be sure there are threads showing throughthe top of the adjusting fasteners.Result: The tilt sensor alarm should notsound.11 Center a lifting jack under the drive chassis atthe ground controls side of the machine.12 Raise the machine approximately 4 inches /10 cm.13 Models with RT tires: Place a 2.59 x 10 x10 inch / 6.58 x 25 x 25 cm thick steel blockunder both wheels at the ground controls sideof the machine.Models with flotation tires: Place a 2.72 x10 x 10 inch / 6.91 x 25 x 25 cm thick steelblock under both wheels at the groundcontrols side of the machine.14 Lower the machine onto the blocks.15 Raise the platform approximately 16 feet /5 m.Result: The tilt sensor alarm should notsound.Result: The drive function and the lift functionwill not operate and the tilt alarm will sound at180 beeps per minute. Turn the level sensoradjusting nuts just until the level sensor alarmdoes not sound.16 Lower the platform to the stowed position.17 Raise the machine slightly.18 Remove the blocks from under both wheels.19 Lower the machine and remove the jack.20 Center a lifting jack under the drive chassis atthe engine side of the machine.21 Raise the machine approximately 4 inches /10 cm.22 Models with RT tires: Place a 3 x 10 x10 inch / 7.62 x 25 x 25 cm thick steel blockunder both wheels at the ground controls sideof the machine.Models with flotation tires: Place a 3.15 x10 x 10 inch / 8 x 25 x 25 cm thick steel blockunder both wheels at the ground controls sideof the machine.23 Lower the machine onto the blocks.24 Raise the platform approximately 16 feet /5 m.Result: The drive function and the lift functionwill not operate and the tilt alarm will sound at180 beeps per minute.Result: The level sensor alarm does notsound. Adjust the level sensor until the alarmjust begins to sound.25 Lower the platform to the stowed position.26 Push in the red Emergency Stop button to theoff position at both the ground and platformcontrols.27 Turn the key switch to the off position.28 Raise the machine slightly.29 Remove the blocks from under both wheels.30 Lower the machine and remove the jack.