Upright SB-80, Service & Parts Manual

Page: 44 / 186

3-20 SB80 Work Platform - European
M
AINTENANCE
Section
3.17
Figure 3-22: Remove Rear Pin Cap Screw
17. Remove and cap hoses from the front of the cyl-
inder.
18. Remove the Interlock Switch Bracket and move it
out of the way.
19. Remove the pin at the front of the cylinder.
20. Cylinder will now slide out the front of the boom.
IMPORTANT: Use a fork lift or overhead hoist to
support the cylinder.
3.17 I
NSTALLING
E
XTEND
C
YLINDER
Installation of Extend cylinder is reverse of removal.
IMPORTANT: Reinstall slide pads, spacers and
other items which were removed when cylinder
was removed.
IMPORTANT: After cylinder is installed, extend tip
boom until Four Tip Boom threaded inserts are
exposed. Reinstall 3/8 cap screws. Rear/upper
Rod Slide must be positioned to the rear of rear
Rod Slide Weldment when cylinder is replaced.
Tighten 1/4 cap screws which secure Rod Slide
to hold front it in place.
Figure 3-23: Positioning Tip Boom Rod Slide
Weldment
Cycle extend cylinder several times to remove air
from the hydraulic system. Replenish hydraulic fluid if
necessary.
Slowly cycle extend cylinder to check for proper oper-
ation and check for leaks.
Interlock Switch Bracket
Front Cylinder Pin
Remove Cap Screw
Tip Boom
Upper Cylinder
Lower Cylinder
Tip Boom Rod Slide Weldment
Tip Boom Rod Slide