TM 5-3810-207-20/TO 36C23-3-37-12
CHAPTER 6
AUXILIARY EQUIPMENT AND MAINTENANCE OF
ATTACHMENTS AND ACCESSORIES USED IN CONJUNCTION
WITH THE CRANE-SHOVEL
Section I. SHOVEL FRONT ATTACHMENT
157. General
The shovel front attachment consists of the boom,
dipper handles, dipper, bail sheave, dipper bail, dipper
trip mechanism, saddle blocks, shipper shaft, crowd and
retract mechanism, sprocket, and cables. The dipper is
attached to the end of the dipper handle, which slides
through the saddle block located near the center of the
boom.
158. Shovel Dipper
a.
Removal.
(1)
Remove all reeving form the shovel front
attachment (TM 5-810-20710).
(2)
Remove the shovel dipper as instructed
on figure 83.
Note
When
removing
front
end
attachments, always use a suitable
lifting device.
b.
Disassembly. Disassemble the shovel dipper as
illustrated on figure 83.
c.
Cleaning, Inspection, and Repair.
(1)
Clean all parts with an approved
cleaning solvent
(2)
Inspect all parts for breaks, cracks,
excessive
wear,
and
other
damage.
Repair by welding or replace all defective
parts.
d.
Reassembly. Reassemble the shovel dipper as
illustrated on figure 83.
e.
Installation.
(1)
Install the shovel dipper as illustrated on
figure 83.
(2)
Install all reeving to the shovel front
attachment (TM 5-3810-207-10).
159. Bail Block
a.
Removal.
(1)
Remove the reeving from the bail block
(TM 5-3810-207-10).
(2)
Remove the bail block as instructed on
figure 83.
b.
Disassembly. Disassemble the bail block as
illustrated on figure 84.
c.
Cleaning, Inspection, and Repair.
(1)
Clean
all
parts
with
and
approved
cleaning solvent.
(2)
Inspect all parts for breaks, cracks,
excessive
wear,
and
other
damage.
Repair by welding or replace all defective
parts.
d.
Reassembly. Reassemble the bail block as
illustrated on figure 84.
e.
Installation.
(1)
Install the bail block as illustrated on
figure 83.
(2)
Install the reeving to the bail block (TM 5-
3810-207-10).
160. Dipper Handle
a.
Removal.
(1)
Remove all reeving from shovel front
attachment (TM 5-3810-207-10).
(2)
Remove the shovel dipper (par. 158).
(3)
Remove crowd chain from boom (TM 5-
3810-207-10).
(4)
Remove the dipper handle as instructed
on figure 85.
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