TM 5-3810-289-12
(10) Recommended hoist tackle.
(12) Machine equipment. Structural steel angle boom:
7,000 lbs. of outside counterweight.
Loads over---- 7,000 ------13,500 ------ 19,000
(a) Hook block.
Parts of line--------- 2 ------------- 3 ---------- 4
Capacity ------------------------- 12.5 tons
Deduct weight of hook blocks, hooks and from listed
Weight --------------------------- 195 lbs
loads:
(b) Wire rope specification.
12%-ton double sheave swivel hook block
Pendant (2) --------------------- 1 in. dia. x 15 ft
---- weighs---------------------------------
195 lbs
Tackle rope --------------------- 1/2 in. dia. x 211 ft
Hoist rope ----------------------- See table 4-2
(11) Jibs. Use jibs for lifting crane service only.
(c) Wiring diagram. Refer to figure 1-4.
Allowable loads on main boom sheave, jib is attached,
must be reduced as follows
(d) Shipping dimension and weights. Refer to
15 ft jib --------------------------------------------------
800 lbs.
figure 1-1. Bridge weight classification is 27.
The allowable load over the jib sheave, at any radius
1-6.
Difference in Models
from centerline of rotation of the machine, is the same
load that may be lifted over the boom sheave (without jib)
This manual covers only the model 22BM crane-
with boom lowered to that radius, but not to exceed
shovel. No known unit differences exist for the model
7,500 lbs. Maximum length of boom to which a jib may
covered by this manual.
attached is 60 ft.
1-6
