Maintenance Manual November 2021
Annual Maintenance Procedures
56 Scissor Lifts Part No. 1305686GT
A-4
Test the Descent Delay
(if equipped) GS-69, GS-84, GS-90
Genie specifications require that this procedure be
performed annually.
Check the Descent Delay
Function
1 GS-69: Raise the platform approximately
10 feet / 3 m.
GS-84, GS-90: Raise the platform
approximately 15 ft / 4.6 m.
2 Lower the platform until the platform stops
lowering. Quickly release the controls and
then immediately attempt to lower the
platform to the stowed position.
Result: The platform will not lower for 4 to
6 seconds.
Result: The platform continues to lower.
Confirm that the descent delay option has
been selected to on. Refer to Repair
Procedure in the appropriate Service and
Repair Manual for your machine, How to
Setup the Machine or Software Configuration.
Repeat this procedure.
3 Lower the platform to the stowed position.
Check the Down Limit Height
1 GS-69: Raise the platform approximately
10 feet / 3 m.
GS-84, GS-90: Raise the platform
approximately 15 ft / 4.6 m.
2 Lower the platform until the platform stops
lowering.
3 Push in the red Emergency Stop button to the
off position.
4 Measure the distance between the working
surface and the platform deck.
-2669
63 - 69 i
1,6 - 1,75
-3369 66 - 72 i
-4069
76 - 82 i
1,9 - 2,1
-3390
95 - 107 i
2,4 - 2,7
-4390
106 - 118 i
2,7 - 3
-5390 118 - 130 i
3 - 3,3