SET-UP AND INSTALLATION 16000 OPERATOR MANUAL
4-38
Published 05-09-17, Control # 011-29_v2
d. Slowly boom down to lower boom onto blocking at
least 6 in (152 mm) (View C).
e. Boom down until hooked connectors (10, View E) in
boom butt disengage fixed pins (11) in adjacent
insert.
f. Travel backward until crane is clear of boom and
there is enough room to install assembly block.
g. Lower boom butt onto blocking.
h. Unpin handling pendants (6, View D) from boom
butt.
Install Assembly Block
See Figure 4-20 for the following procedure.
1. Position trailer carrying assembly block (5) at end of
boom butt as shown in View B.
2. BOOM DOWN to lower mast (3) to approximately 160°.
3. Pin handling pendants (6) to assist crane block (7) with
nylon lifting slings (8).
4. Support mast with assist crane.
5. Lower mast to desired position with assist crane. Do not
side load mast.
Use limit bypass switch to bypass mast limit and pay out
boom hoist wire rope as mast is lowered with assist
crane.
6. Reeve wire rope from whip drum through sheaves in
mast point and sheaves in assembly block (see
Figure 4-10
, View B).
7. Anchor wire rope to socket and wedge on load block
(see Wire Rope Installation
).
8. Connect 4-leg chain sling (4) to assembly block.
9. Raise mast to at least 156° with assist crane. As mast is
raised:
• Pay out load line from whip drum.
• Haul in wire rope on boom hoist.
10. Once mast is at or above 156°, support mast with boom
hoist wire rope and disconnect handling pendants (6)
from assist crane block.
11. Pin handling pendants to mast for storage (View A).
12. Haul in load line on whip hoist to lift assembly block off
trailer. Take every precaution to prevent block from
swinging into end of boom butt and causing
damage.
13. Position mast in operating range (see Figure 4-9
).
Remove Boom Butt
See Figure 4-18 for the following procedure.
1. Lower wire rope guide to shipping position (View A):
a. Attach lifting sling from assembly block to lifting lug
(3, View A) on wire rope guide (2).
b. Support wire rope guide so pins (4) are loose and
remove pins.
c. Lower wire rope guide from operating position to
shipping position.
d. Install pins (4).
e. Disconnect lifting sling.
2. Disconnect hydraulic hoses between boom butt and
rotating bed (see Figure 4-19
):
a. Thoroughly clean each coupler and connect dust
covers to couplers to prevent dirt accumulation.
b. Unpin and move retaining bar (2) out of way.
c. Swing hydraulic hoses (6 and 7) rearward into
notches on rotating bed (View D).
d. Pin retaining bar in position to retain hoses (View D).
3. Attach lifting slings from assembly block to lifting lugs in
top chords of boom butt as shown in Figure 4-18
, View
D.
WARNING
Falling Mast Hazard!
Prevent mast from falling:
• Do not use limit bypass to lower mast below 156° until
mast is supported with slings from assist crane.
WARNING
Crush Hazard!
Do not stand or work under mast unless it is supported by
assist crane.
CAUTION
Equipment Damage!
To prevent damage, guide mast straps (9) clear of trailer,
as required.