KICE Rotary Airlock Valve VJ 18x12

Check rotor to end plates clearance

Remove the sprocket and bushing on the airlock shaft

Remove the sprocket on the reducer shaft

Remove the chain guard backplate

Use Kice replacement parts only.

Do not reinstall removed bearings; they must be replaced.

Ensure bearings are low-speed, close tolerance as used in all Kice airlocks.

Remove the end plate as stated above.

Mark end plates to ensure they are reinstalled on the same end of the airlock body.

Place the end plate on wooden blocks with the machined surface down.

Tap the bearing and shaft seal through the end plate using a brass rod and discard both.

Loosen the setscrew on the QD bushing

Loosen and remove all the mounting cap screws

Insert the cap screws into all the threaded jackscrew holes

Tighten all the jackscrews in small, equal amounts until the tapered surfaces of the bushing and sprocket disengage

Loosen the bushing from the shaft by inserting a screwdriver into the bushing saw slot and tapping lightly

Check the clearance between the rotor and the airlock end plates using a feeler gauge

Remove components for adjustment

Remove the sprockets and bushing

Remove the chain guard backplate

Set the proper clearance on one end using a soft hammer and feeler gauge

Chain Adjustment or Replacement

Decide if the drive chain needs replacement

Tighten the drive chain by turning the jack bolt clockwise