Manitowoc Published 04-06-18, Control # 231-14 4-51
MLC650 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION
See Figure 4-45 for the following procedure.
9. Lower the live mast (1).
10. Attach the SL 1 slings (2, View A) to the SH 2
shackles (3) stored on the fixed mast butt (4).
11. Lift the fixed mast transport package (5) until the support
pedestals (7, View B) are slightly above the ground.
12. Hold onto the support pedestal and remove the hair pin
cotters (8) and retaining pins (9).
13. Raise the support pedestal and install the hair pin cotters
and retaining pins.
14. Repeat step 12
and step 13 for the second support
pedestal.
15. Making sure that the SL 1 slings (2) remain slack and
raise the live mast while lifting the fixed mast transport
package into place with the assist crane.
16. Align the mast butt mounting holes with the rotating bed
mounting holes.
17. Install the pin puller cage and the hand-held pin puller at
one of the mounting holes.
18. Using the hand-held pin puller (see "Hand-Held Pin
Puller" on page 4-8), install the pivot pin.
19. Secure the pivot pin with the pivot pin retainer and
locking pin (see View C, Figure 4-44
).
20. Remove the hand-held pin puller and the pin puller cage.
21. Repeat step 17
through step 20 for the opposite pivot
pin.
22. Position the live mast at 107° and engage the mast hoist
pawl.
23. Slowly lower the hook of the assist crane until the live
mast is supporting the fixed mast transport package.
WARNING
Equipment Damage!
At this point in the assembly process, live mast
angles greater than 113° will damage components.
Do not position the live mast to an angle greater than
113°.
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