TM 5-3810-294-34
b.
Installation.
(1) Refer to TM 5-3810-294-20 and shut off
the hydraulic oil supply to the control stand assembly
(1) Refer to figure 2-15 and install O-ring
illustrated in figure 2-16.
(27) in retainer (28) and place the two item on shaft (26)
(2) Refer to figure 2-1 and remove plates
with the O-ring down.
and floor plates as required to expose the control stand
(2) Install bearing (29) on shaft (26). Make
assembly, as illustrated in figure 2.16.
sure the bearing fits firmly against retainer (28). Place
spacer (30) on the shaft, above bearing (29).
(3) Subassemble items (11, 16, 42, 43, 44)
into brake shoe bracket (45). Subassemble the same
items into brake shoe bracket (8).
(4) Install items (32, 33, 34, 35, and 37) on
brake shoe bracket (45) and secure in position with
capscrews (36). Screw release rod (18) with nuts (17) in
place into bracket (8), which is tapped to receive the
threaded end of the rod.
(5) Place bolt (16) in bracket (8) and install
nuts (9). Place brake shoe bracket (45) over opposite
end of bolt (16) and install spring seat (41) spring (40),
spring seat (39), and nuts (38).
(6) Install the subassembled shaft (26) the
bore of the revolving frame from beneath the frame.
Install bearing (31) from above the frame. Install sheave
and secure it in place with retainer (47), spacers (48),
shield (3), and capscrews and lockwashers (1 and 2).
(7) Place the two subassembled brake
shoe brackets (45 and 8) on sheave (46).
(8) Install washers (15) and shims (12, 13
and 14) and secure them in position with pins (7). Install
items (4, 5, and 6).
(9) Install items (22 through 25).
(10) Using a suitable overhead crane or
other lifting device, attach lifting sling to the boom foot
lugs on the revolving frame and to the gantry peak pin.
Install the revolving frame on the carrier. Keep the
revolving frame stabilized, using the lifting sling, until the
hook rollers are installed.
Figure 2-16. Control stand assembly, removal and
(11)
Refer to TM 5-3810-294-20 and
installation.
perform the following operations:
(a) Reinstall hook rollers.
b.
Installation.
(b) Adjust swing brake.
(1) Refer to figure 2-16 and install the
(c) Bleed hydraulic lines.
control stand assembly.
(d) Lubricate swing brake shaft.
(2) Refer to TM 5-3810, 294-20, open the
(e) Reinstall front end attachment
hydraulic reservoir shut-off valve, replenish hydraulic oil
required.
in the reservoir, if necessary, and bleed the air from the
control stand assembly.
2-23.
Control Stand Assembly
(3) Refer to figure 2-1 and reinstall deck
plates and sheet metal as required.
a.
Removal.
2-37
