RING-WEAR 5P7338 - Caterpillar

Start By:a. remove blade assembly 1. Put a suitable jack and Tool (A) under the circle as shown. 2. Put identification on all oil lines as to their location on swivel joint (2).3. Disconnect oil lines (3) and (4) from the front of swivel joint (2).4. Remove cotter pin (7) and the washer. Remove pin (6) from swivel joint (2). Remove guide assembly (8).5. Remove four oil lines (5) from the rear of swivel joint (2). 6. Fasten a hoist to swivel joint (2). Remove bolts (9) that hold swivel joint (2) to circle draw bar (1). Remove swivel joint (2). The weight of swivel joint (2) is 34 kg (75 lb). 7. Remove six shoes (11) and their respective shims (10) from under circle draw bar (1). Put identification on each shoe (11) and its shims (10) for use during installation of circle (12). The weight of shoe (11) is 19 kg (41 lb).
Typical Example8. Start the engine. Lift circle draw bar (1) until it is just free of circle (12). Move the machine back until the pinion of circle drive (1) is free of circle (12). Lift circle (12) to its maximum height.9. Fasten a hoist to circle (12). Remove circle (12). The weight of circle (12) is 771 kg (1700 lb).Install Circle
1. Fasten a hoist to circle (12). Put circle (12) under circle draw bar (1). Install a suitable jack and Tool (A) under circle (12).2. Start the engine. Lower circle draw bar (1) in position above circle (12). Move the machine forward until the pinion of circle drive (1) is engaged in circle (12). 3. Put six shoes (11) and their respective shims (10) in position under circle drawbar (1). Install the bolts that hold shoes (11) to circle draw bar (1). Do not tighten the bolts. Make an adjustment of the clearance of the front and rear shoes with the following procedure:a. Tighten setscrews (13) until shoes (11) are against the inside of circle (12).b. Loosen setscrews (13) until circle (12) is just free to turn.c. Tighten nuts (14).4. Tighten all the bolts that hold shoes (11) to circle draw bar (1) to a torque of 700 27 N m (520 20 lb ft). 5. Fasten a hoist to swivel joint (2). Put it in position on circle draw bar (1). Install bolts (9) in order to hold it to circle draw bar (1). 6. Connect four oil lines (5) to the rear of swivel joint (2).7. Put guide assembly (8) in position on swivel joint (2). Install pin (6) in order to hold guide assembly (8) to swivel joint (2). Install the washers and cotter pin (7) on pin (6).8. Connect oil lines (3) and (4) to their correct location on the front of swivel joint (2).9. Start the engine. Lift circle (12). Remove the jack and Tool (A) from under circle (12).End By:a. install blade assembly