SkyTrak 6036 Service Manual - Manual (Page 63)

3-21 6036, 6042, 8042, 10042, 10054
Boom
11. Use a hoist and a sling to hold the left Compensation
cylinder in position. Remove the lockbolt from the
Compensation cylinder rod end mounting pin.
Remove the locknut from the base end of
Compensation cylinder. Lift the Compensation
cylinder away from the machine. Repeat procedure
for the right Compensation cylinder.
12. On the right side boom pivot mounting plate, remove
the boom proximity sensor (3).
13. With the boom securely supported, block the Lift/
Lower cylinders. Remove the lockbolts from the rod
end of the cylinders and lower the cylinders onto the
machine.
14. Remove the boom pivot pins (4) and lockbolts.
15. Using a sling or suitable support, carefully lift the first
boom section away from the machine. Set the boom
section down on a hard, level surface. Support the
boom as required to allow removal of the Extend/
Retract cylinder from the underside of the boom.
16. Inspect all wear pads for wear. Refer to Section 3.9,
“Boom Wear Pads.”
17. Use a hoist and slings to support the Extend/Retract
cylinder.
18. Remove the retaining rings from the ends of the
Extend/Retract cylinder.
19. Remove the rubber bumper from the Extend/Retract
cylinder retainer. Inspect the rubber bumper. If it is in
good condition, the rubber bumper can be reused. If
the bumper is showing signs of cracking or
deterioration, it should be replaced.
20. Remove the Extend/Retract cylinder from the boom.
3.6.5 First Boom Section Installation
1. Using a suitable hoist and sling, position the Extend/
Retract cylinder with the port elbows facing down.
Place the rod end of the cylinder through the cylinder
retainer at the front of the boom.
2. Coat the base end of the cylinder with anti-seize
compound. Insert the base end cylinder pin through
both mounting ears and the base end of the Extend/
Retract cylinder. Secure the pin in place with a
retaining ring on each side of the pin.
3. Lift the rod end of the Extend/Retract cylinder
enough to insert the threaded stud on the rubber
bumper into the hole in the Extend/Retract cylinder
retainer. Secure the rubber bumper in place with a
new locknut. Tighten securely. Lower the rod end of
the Extend/Retract cylinder, and allow it to rest on
the rubber bumper.
4. Using a suitable hoist and slings, lift the boom
assembly and position the boom on the frame. Align
the mounting plates on the frame between the
mounting hubs on each side of the boom assembly.
Lower the boom assembly until the holes in the
boom assembly and the mounting plates align.
5. On the end of the boom pivot pin, closest to the
capscrew hole, mark the capscrew mounting hole
location. Coat the entire pin with anti-seize
compound.
6. Insert the pivot pin from the outside of the boom
assembly, making sure the marks for the capscrew
mounting hole stay in line with the capscrew
mounting holes in the boom mounting hub.
MH1221
3
MH1241
4