HOSE AS. 8W0123 - Caterpillar

Remove O-ring seal (25), spring (26), and piston (27).
Illustration 9 g01305015
Remove piston (28) and bearing cone (29).
Illustration 10 g01305016
Remove shim (30).
Illustration 11 g01305018
Turn the pump housing over 180 degrees and hold the components in the pump housing. Remove pump housing (31) from bearing cone (32), swashplate (33), and rotating group (34).
Illustration 12 g01305019
Remove shaft (35) and bearing cone (32) from swashplate (33) and rotating group (34).
Illustration 13 g01305020
Use Tooling (A) and a suitable press to remove shaft (35) from bearing cone (32).
Illustration 14 g01305021
Remove swashplate (33) from rotating group (34).
Illustration 15 g01305022
Apply identification marks to retraction plate (35), pistons (36), and barrel (37) for assembly purposes. The pistons must be installed in the original location in retraction plate (35) and in barrel (37). All three components must be assembled to the original alignment.
Illustration 16 g01305023
Remove collar bearing (38) from pins (39) and barrel (37).
Illustration 17 g03400536
Personal injury can result from being struck by parts propelled by a released spring force.Make sure to wear all necessary protective equipment.Follow the recommended procedure and use all recommended tooling to release the spring force.
Place barrel (37) in a suitable press. Use Tooling (A) to depress the spring that is in barrel (37). Remove retaining ring (40) that secures the spring in barrel (37). Slowly release the pressure from the spring and remove Tooling (A) from the assembly.
Illustration 18 g01305025
Illustration 19 g01305029
Remove retaining ring (40) and spring (41) from barrel (37).
Remove seat (42) that was under spring (41) from barrel (37). Remove pins (39) from barrel (37).
Illustration 20 g01305030
Remove brass bearings (44) from pump housing (43).
Illustration 21 g01305032
Remove retaining ring (45) from pump housing (43).
Illustration 22 g01305034
Remove lip seal (47) and bearing cup (46) from pump housing (43).

Parts hose Caterpillar catalog:

9S0247 HOSE
10S, 120, 120B, 120G, 12G, 130G, 140, 141, 14E, 14G, 153, 16, 16G, 173B, 183B, 193, 215B, 225, 227, 245, 436, 446B, 518, 528, 530B, 561B, 561C, 561D, 571G, 58, 583K, 594, 5S, 621, 621B, 621R, 623, 623...

8W4197 HOSE AS
120G, 12G, 130G, 140G, 160G, 844H, 924F, 928F, 990 II, 990H, D8N, D8R, IT18F, IT24F, IT28F

9D2549 HOSE AS
120G, 120H, 120H ES, 120H NA, 12G, 12H, 12H ES, 12H NA, 130G, 135H, 135H NA, 140G, 140H, 140H ES, 140H NA, 143H, 160H, 160H ES, 160H NA, 163H NA, 621B, 621R, 627B, 633D, 637D, 639D, 651E, 657E

4S7562 HOSE AS
120G, 12G, 130G, 140G, 14G, 160G, 16G, 5230, 5230B, 631C, 631E, 633E II, 637E, 641B, 651E, 657B, 666, 768C, 769C, 769D, 771C, 771D, 773B, 773D, 775D, 776D, 777D, 784C, 785, 785B, 785C, 785D, 789, 789B...

3D6395 HOSE AS
120G, 12G, 130G, 140G, 160G, 16G, 16H NA, 621, 621B, 621E, 621F, 621G, 627, 627B, 627E, 627F, 627G, 631E, 633E II, 637D, 637E, 650B, 666, 666B, 769D, 771D, 777D

3D6388 HOSE AS
120G, 120H, 12G, 130G, 135H, 140G, 160G, 16G, 621, 621F, 623, 623E, 623F, 627, 631E, 633D, 633E II, 637D, 637E, 641, 641B, 651, 657, 657B, 666, 769C, 769D, 771D, 772B, 773B, 773D, 775D, 777, 785, 789,...

7D3024 HOSE ASSEM. (126" long overall)
120G, 120H ES, 12G, 130G, 140G, 14G, 160G, 16G, 5130, 5130B, 5230, 5230B, 621, 621R, 623, 627, 627B, 631C, 631D, 637, 641B, 650B, 651B, 657B, 768B, 768C, 769, 769C, 769D, 771C, 771D, 772, 772B, 773B, ...

2G4507 HOSE ASSEM. 71.2 cm
120G, 12G, 130G, 140G, 14G, 621B, 797, 797B

9D5458 HOSE ASSEM. 66 cm(26 in.)
120G, 12G, 130G, 140G, 160G, 621, 621B, 637D

8W4193 HOSE AS
120G, 120H, 120H ES, 120H NA, 120K, 120K 2, 12G, 12H, 12H ES, 12H NA, 12K, 130G, 135H, 135H NA, 140G, 140H, 140H ES, 140H NA, 140K, 140K 2, 143H, 160G, 160H, 160H ES, 160H NA, 160K, 163H, 163H NA