REPAIR OF CEMENT BIN ASSEMBLY
Section I. REPAIR OF CEMENT BIN
Remove sprocket cover (34, fig. 7-1) from right hand side by removing three capscrews (36) and washers
Remove master link (33) from sprocket chain (32); remove chain.
Remove three capscrews and washers (37) from split flange (38).
d. Install three capscrews (37) into other three holes in split flange (38) to back sprocket (40) off of split flange
(38). Remove split flange (38), key (29), and sprocket (40) from auger shaft (7).
Loosen two setscrews (26 and 30) from two collars (25 and 39) and slide off auger shaft (7).
Remove four bolts (22), nuts (24), and washers (23) from two flange bearings (9); slide bearings off of auger
shaft (7) and remove two O-rings (10).
One mechanic inside bin to unscrew bolt while second mechanic holds nut with washer on outside.
Remove two bolts (4) and nuts (6) through augers (3 and 5) and auger shaft (7).
Remove four bolts (18), eight washers (12 and 17), and four nuts (11) from wood bearing (27) and support
bar (28); remove wood bearing.
Remove four bolts (13), eight washers (14 and 15) and four nuts (16) attaching support bar (28) to weldments
in bin; remove support bar (28).
k. Drive auger shaft (7) from two augers (3 and 5) from either end, using mallet and brass drift; remove auger
shaft (7) from end and lift out the two augers (3 and 5). Two seals (1) and plates (2) will drop down.
Remove twelve nuts (21) and washers (20) from outside bottom of bin; from inside, lift out twelve bolts (19).
For maintenance of filter cloths refer to TM 5-3895-372-20.
n. If end support bars, auger blades, or mixing pegs are bent, heat and straighten. If auger blades are broken
install new auger.
Install filter cloth per TM 5-3895-372-20.
b. Position two augers (3 and 5) and two plates (2) inside bin (8); drive auger shaft (7) through two augers (3
and 5) using mallet and brass drift; as auger shaft (7) comes through the last auger, position one seal (1) and drive auger
shaft (7) through the seal and bin wall until the driven end is inside the bin.