TM5-3810-305-10
d. Stow toggle sheave brackets (5)with
attaching links (4) in storage location C,
on bracket on right-hand front of earner
(Figure 5-7). Secure with pins (6) con-
nected to the attaching links (4).
Completion of Upperstructure Assembly
1. Install anti-two block counterweight (Figure
5-2) as follows:
a.
b.
c.
Remove clevis from anti-two block switch
on boom head. Hook the weight chain on
clevis and reinstall on anti-two block
switch.
Using a 6 mm hex allen wrench, open
counterweight halves.
Install weight halves around hoist line
hanging down over boom head sheave.
Secure halves with thumbscrews.
2. Raise boom and install mounting capscrews
inside upperstructure using the following
procedure:
a.
b.
c.
Swing mast and arm assembly out of the
way.
Start engine. Raise boom to a minimum
of 45-degree angle.
Shut engine off.
Figure 5-7. Storage Location C
Figure 5-2. Anti-Two Block Counterweight, Switch and
Hook Block
5-38
