HOUSING-SPRING 7D6222 - Caterpillar

1. Use a hoist to lift the weight of the ejector off the rollers.2. Remove lock bolt (1).3. Use a chisel to open the bracket enough for removal of roller. 4. Remove roller (2). The following steps are for installing the carrier rollers.5. Use a chisel to open bracket enough for roller installation.6. Install roller (2).7. Turn the shaft so clearance between bottom of ejector and floor is 0.8 to 6.1 mm (.03 to .24 in).8. Install lock bolt (1).9. Check the clearance between ejector and sides of bowl. Clearance must be 9.7 6.3 mm (.38 .25 in).Disassemble Ejector Carrier Rollers
Start By:a. remove ejector carrier rollers 1. Remove bolts (2) and cap (1). 2. Remove cotter pin, nut (4) and washer (5).3. Remove shaft (3) and one bearing cone from roller.4. Remove seal, bearing cone and cups from roller using a hammer and punch.Assemble Ejector Carrier Rollers
1. Install large bearing cup in roller using tooling (A).2. Install small bearing cup in roller using tooling (C). 3. Put bearing cone (2) in position in roller (3) and install seal (1) using tooling (B).4. Install seal (1) with lip toward large bearing cone (2).5. Put multipurpose grease on bearing cones and in space between the bearing cones. 6. Put shaft (4) in position in roller. 7. Install bearing cone (5), washer (6) and nut. Tighten the nut hand tight. Loosen the nut if needed and install cotter pin Make a bend of the legs of the cotter pin.8. Install cap on roller.End By:a. install ejector carrier rollers