Service manual
SKYJACK, Page 24 SJIII Series
Section 1 - Scheduled MaintenanceService and Maintenance
Powered  Extension  Control  Console •
(If Equipped)
Ensure  all  switches  are  returned  to 
 -
neutral and are properly secured.
Ensure  there  are  no  loose  or  missing  -
parts and there is no visible damage.
WARNING
Ensure that you maintain three points of 
contact to mount/dismount platform.
3.  Use the ladder to dismount from platform.
1.1-7  Lifting Mechanism
1.  Raise the platform until there is adequate clearance 
to swing down the maintenance support.
Maintenance Support•
Ensure maintenance support is properly  -
secured and shows no visible damage.
Scissor Assembly•
Ensure scissor assembly shows no visible  -
damage and no signs of deformation in 
weldments.
Ensure all pins are properly secured. -
Ensure  cables  and  wires  are  properly  -
routed and shows no signs of wear and/
or physical damage.
Scissor Bumpers•
Ensure bumpers are secure and shows  -
no sign of visible damage.
Rollers•
Ensure rollers are secure and there is no  -
visible damage.
Ensure rollers’ path of travel are free from  -
dirt and obstructions.
Lift Cylinder(s)•
Ensure  each  lift  cylinder  is  properly  -
secured, there are no loose or missing 
parts  and  there  is  no  evidence  of 
damage.
Ensure all fittings and hoses are properly  -
tightened  and  there  is  no  evidence  of 
hydraulic leakage.
2.  Raise the platform until there is adequate clearance 
to swing up the maintenance support.
3.  Swing  up  maintenance  support  into  storage 
bracket.
4.  Fully lower the platform.
Scissor Assembly
Maintenance 
Support
Lift Cylinder
Scissor Bumper
Roller










