FIGURE 4-76
Item Description
1 Drum 1 – Hoist (in boom insert)
2 Drum 2 – Hoist (in boom butt)
3 Drum 3 – Whip (in crane)
4 Guide Sheaves in Boom
5 Guide Sheaves in Mast
6 Boom Top Wire Rope Guide
7 To Lower Boom Point
8 Standard Upper Boom Point
9 For Luffing Hoist Only
10 Guide Sheaves in Strut (luffing jib only)
11 Jib Top Wire Rope Guide
12 To Lower Jib Point
13 Upper Jib Point
14 Extended Upper Boom Point — Lower Point
15 Extended Upper Boom Point — Upper Point
1
7
9
8
6
3
2
4
5
1
3
2
4
7
9
12
12
#55, #55A, or
#55-79A Boom
#79A Fixed Jib
A08237
13
6
11
5
Extended Upper Point
on #55-79A Boom
1
3
2
4
5
6
9
10
14
15
Reeve Lower Point (14) from Left
to Right when Drum 1 is Used
(Standard Arrangement)
Reeve Lower Point (14) from Right
to Left when Drum 2 is Used
(Optional Arrangement)
4-221
4-222
4-223