Boom Extend/Retract Cables; How To Adjust The Extend/Retract Cables - Genie S-80 Service And Repair Manual

Service and Repair Manual
Boom Components
22 Lift the boom extension cylinder with the
crane until it clears the cylinder saddle inside
the number 2 boom tube.
23 Carefully support and slide the extension
cylinder out of the boom.
Crushing hazard. The extension
cylinder could fall when removed
from the extension boom if not
properly supported.
Component damage hazard. Be
careful not to damage the cable
break limit switch.
Component damage hazard. Be
careful not to damage the
counterbalance valves on the
primary boom extension cylinder
when removing the cylinder from
the primary boom.
Note: During removal of the extension cylinder, the
overhead crane strap will need to be carefully
adjusted for proper balancing.
42
4-5 4-5 Boom Extend/Retrac t C abl es

Boom Extend/Retract Cables

How to Adj ust the Ex tend/R etrac t C abl es
How to Adjust the Boom
Extend/Retract Cables
The boom extend/retract cables are responsible
for the extension and retraction of the number
3 boom tube. Proper adjustment of the boom
extend/retract cables and related components on a
regular basis is essential to good machine
performance and safe machine operation. The
boom extend and retract functions should operate
smoothly and be free of hesitation, jerking and
unusual noise.
Note: Perform this procedure with the boom in a
horizontal position.
1 Start the engine from the ground controls.
2 Raise the boom to a horizontal position
3 Fully retract the boom.
4 Stop the engine.
5 Remove the boom end cover retaining
fasteners and remove the cover.
6 Inspect the threaded ends of the boom extend
cables. The threads must be clean and in
good condition with no damaged threads.
7 Locate the retract cable adjustment nut on the
bottom of the number 1 boom tube at the
platform end of the boom. Loosen the nut, but
do not remove the nut.
S-80 • S-85 • S-80X
September 2015
Part No. 1269074