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Western Shotcrete Equipment, Inc.
35 Examine the seals in the flange bearing assembly. (85160) If they are in good condition, proceed to step
# 43.
36 Remove the flange bearing assembly by removing the four mounting bolts then tighten the two-push bolts
evenly.
37 Remove the outer seal and the inner seal and discard.
38 Thoroughly clean the flange bearing assembly. Make sure that the three grease passages are free of
obstructions.
39 Install new inner seal (85164) and outer seal. (85163)
40 Thoroughly clean the bearing cavity in the hopper.
41 Retract the two push-bolts in the flange bearing almost all the way back.
42 Install the flange bearing assembly into the hopper. Make sure that the grease zerks are positioned so
that they are accessible. Tighten the four mounting bolts evenly and then hand tighten the two push-bolts.
43 Using the same procedure as before, install the S-tube valve into the hopper by first placing the shaft into
the material cylinder then pull the valve back into the outlet and then turn it upright.
44 Examine the hardened outlet (85320) for excessive wear. Replace if necessary.
45 While the back flange of the S-tube is hanging out of the hopper outlet cavity, bolt on the hardened out-
let.
46 Move the S-tube all the way forwards so that the Wear-plate and ring are against each other.
47 Install the seal housing into the back of the hopper outlet cavity. Use never-seize or similar lube to keep
the housing from seizing into the hopper.
48 Make sure the O-rings in the seal housing are in place and bolt on the 5” outlet flange.
49 Slip the bronze spacer (85513) onto the S-tube shaft.
50 Install the bell crank assembly but do not tighten the 1” bolts yet.
51 Slip the spacer cap (85512) onto the S-tube shaft.
52 Hand tighten the 1 3/8” nut. Do not overtighten. Then pin with a cotter key.
53 Tighten the 1” bell crank cap bolts. Then tighten the 3/8” lock bolts.
54 Make sure that the grease fittings are all accessible and work.
55 Install remixer paddle-shaft.
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