ADAPTER AS 3574572 - Caterpillar

1. Disconnect oil lines (1), (2), (3) and (5) which go to the main control valves.2. Disconnect oil line (4) which goes to the hydraulic tank. Put plugs in the oil line to keep oil in.
VIEW FROM UNDER MACHINE3. Disconnect parking brake oil lines (6) and (7). Disconnect track motor return lines (8) and (9) from the rotor. 4. Disconnect oil lines (10), (11), (12) and (13) for the track motors from the rotor. 5. Remove the two bolts that hold bracket (14) in place. Remove the bracket. 6. Install two 3/8"-16 NC forged eyebolts in the swivel group. Fasten a hoist to the swivel group. Remove eight bolts (15) and remove the swivel group. The weight of the swivel group is 170 lb. (77 kg).Install Swivel Group
1. Install two 3/8"-16 NC forged eyebolts in the swivel group. Fasten a hoist and put swivel group (1) in position on the machine. Install the eight bolts that hold the swivel group in place.
VIEW FROM UNDER MACHINE2. Install bracket (2) as shown. Install the two bolts that hold it in place. 3. Connect oil lines (3), (4), (5) and (6) for the track motors to the rotor. 4. Connect track motor return lines (7) and (10). Connect parking brake oil lines (8) and (9). 5. Connect oil line (14) which goes to the hydraulic tank.6. Connect oil lines (11), (12), (13) and (15) to the swivel group which go to the main control valves.Disassemble Swivel Group
start by:a) remove swivel group 1. Remove bolts (1) and cap (2) from the swivel housing. Remove the O-ring seal from the cap. 2. Remove three screws (3) and remove retainer (4) from the rotor.3. Turn the swivel housing over and remove the fittings. 4. Make two 1/2"-13 NC threaded rods 24 in. (610 mm) long. Put the rods in position on the swivel housing with four 1/2" flat washers and nuts. Install tooling (A) on the rods. Use 1/2" flat washers and nuts to hold tooling (A) in place.5. Remove rotor (5) from the housing. 6. Remove seal (6) from the housing. Remove seven inner seals (7) and the seven outer seals from the housing.Assemble Swivel Group
1. Install the seven outer seals (rubber) and seven inner seals (plastic) (2) in the swivel housing.2. Install seal (1) in the swivel housing. Seal (1) does not have a rubber seal behind it. Put lubrication on the seals. 3. Put rotor (3) in position in swivel housing (4). Make two 1/2"-13 NC threaded rods 24 in. (610 mm) long. Put the rods in position on the swivel housing with four flat washers and nuts. Install tooling (A) on the rods. Use four 1/2" flat washers and nuts to hold tooling (A) in place.4. Install the rotor as shown. 5. Install fittings (5) and (6) in the rotor. 6. Turn the swivel housing over as shown. Install retainer (7) on the rotor. Install the three screws that hold the retainer in place. 7. Install O-ring seal (8) in