Test The Function Pump - Gs-69 Be And Gs-69 Dc - Terex Genie GS-1330m Maintenance Manual

Maintenance Manual
Annual Maintenance Procedures
A-2
Test the Function Pump
GS-69 BE and GS-69 DC
Genie specifications require that this procedure be
performed annually.
Proper pump function is essential to safe oscillate
operation and machine function.
Note: Perform this procedure on a firm, level
surface with the platform in the stowed position
and the platform extension deck fully retracted.
1 Lower the platform to the stowed position.
2 Turn the key switch to ground control and pull
out the red Emergency Stop button to the on
position at both ground and platform controls.
3 At the ground controls, record the time it takes
to fully raise the platform.
Result: The time to fully elevate the platform is
at or less than the table shown below. The
efficiency of the function pump is good.
GS-2669
GS-3369
GS-4069
Result: The time to fully elevate the platform
is greater than the table shown above, Refer
to Repair Procedure in the appropriate
Service and Repair Manual for your machine,
How to Set Up the Machine from Ground
Controls. Repeat the above procedure.
Note: If the above times can not be achieved, the
machine must be tagged and removed from
service until the function pump is repaired or
replaced.
Tip-over hazard. Failure to
repair or replace the function
pump as instructed could
compromise the stability of the
machine resulting in death or
serious injury.
52
55 seconds
60 seconds
94 seconds
Scissor Lifts
November 2021
Part No. 1305686GT