Skyjack SJIII 3220 Service Manual page 24

Service and Maintenance
Lift Cylinder
Scissor Assembly
• 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.
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.
SKYJACK, Page 24
WARNING
Section 1 - Scheduled Maintenance
• 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.
SJIII 3220 SJIII 3226 SJIII 4620 SJIII 4626 SJIII 4632
Maintenance
Support
Scissor Bumper
Roller
SJIII DC Electric
157935