Caterpillar cat 226 b3 skid steer loader (prefix sna) service repair manual (sna00001 and up)

Service Repair Manual
Model
226B3 SKID STEER LOADER

Shutdown SIS
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Product: SKID STEER LOADER
Model: 226B3 SKID STEER LOADER SNA
Configuration: 226B3 Skid Steer Loader SNA00001-UP (MACHINE) POWERED BY C2.2 Engine
Disassembly and Assembly
259B3 Compact Track Loader, 247B3 and 257B3 Multi Terrain Loaders and 216B3,
226B3, 236B3, 242B3 and 252B3 Skid Steer Loaders Power Train
Media Number -UENR0251-07 Publication Date -01/07/2018 Date Updated -11/07/2018
i02362815
Piston Pump (Hydrostatic) - Assemble
SMCS - 5070-016-H7
Assembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 9U-7289 Ruler 1
B 1P-1861 Retaining Ring Pliers 1
F 1P-0510 Driver Gp 1
G 1P-1854 Retaining Ring Pliers 1
J 1P-1860 Retaining Ring Pliers 1
K 8H-0663 Bearing Puller Gp 1
L 2P-8301 Seal Guide 1
M 6V-2055 Grease 1
N 1U-6395 Grease 1
P 9S-3263 Thread Lock Compound 1
1/17226B3 Skid Steer Loader SNA00001-UP (MACHINE) POWERED BY C2.2 Engine(...
2019/10/14https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...

Illustration 1 g00906515
1. Install liner (69).
2. Install seal (68).
3. Install actuator (67).
4. Install bearing (66).

5. Raise the temperature of bearing (65).
6. Use a suitable press and Tooling (K) to install bearing (65).
7. Use Tooling (J) to install retaining ring (64).
8. Install shaft (63).

9. Use Tooling (B) to install retaining ring (62).
10. Dowel (59) must be aligned with the piston pump housing during assembly.
11. Install O-ring seal (58).
12. Install bearing races (56) on pins (57).

Improper assembly of parts that are spring loaded can cause bodily
injury.
To prevent possible injury, follow the established assembly procedure
and wear protective equipment.
13. Install pins (53).
14. Install washer (54).
15. Place barrel (50) in a suitable press.
16. Use Tooling (F) and Tooling (G) to install spring (55) and retaining ring (52).

17. Install the shims and retainer (51) to barrel (50).
Note: Align the reaction plate assembly with the barrel.
18. Install reaction plate assembly (48) to barrel (49).
19. Install swashplate (47).
20. Install bearing assemblies (45) and (46).

21. Install linkage (44).
22. Install the rotating assembly and swashplate (43).

23. Note the orientation of linkage (44).
24. Pin (42A) must be centered in the hole in the pump housing.
25. Install slotted pin (42) so that the slotted pin engages pin (42A).
26. Install the plug and O-ring seal (41).
27. Repeat Step 24 through Step 26 for the other side.

Note: The port plates are marked for assembly. Port plates are not interchangeable.
28. Apply Tooling (M) to port plate (40).
29. Align port plate (40) with the piston pump housing.
30. Install port plate (40).
31. Position linkage (44) in order to connect with actuator (67) during assembly.
32. Assemble the cover to the piston pump housing.
33. Repeat Step 1 through Step 32 for the other end of the piston pump.
34. Apply Tooling (N) to seal (61).
35. Use Tooling (L) to install seal (61).

37. Install bolts (38) to cover (39).
38. Position stud (36) and nut (37).
39. Use Tooling (A) to measure the distance from stud (36) to nut (37). Set the distance to the
recorded measurement from the disassembly.
40. Install fittings (35).
10/17226B3 Skid Steer Loader SNA00001-UP (MACHINE) POWERED BY C2.2 Engin...

41. Install caps (34).
42. Install connector (33).
Note: Align the mark on the housing with the notch in stud (31).
43. Install stud (31) and nut (32). Set the distance to the recorded measurement from the
disassembly.
44. Use Tooling (A) to measure the distance from stud (31) to nut (32). Tighten the nut to a
torque of 30 ± 2 N·m (22 ± 1 lb ft).
45. Repeat Step 43 and Step 44 for the other stud.
46. Install adapter (30).
47. Install fitting (29).
48. Install connectors (28). Tighten the connectors to a torque of 22 ± 1 N·m (16 ± 1 lb ft).
49. Install caps (27).

injury.
Note: Keepers (21) are marked for assembly. Do not mix keepers (21).
50. Install spacer (25).
51. Install spring retainer (24).
52. Install spring (23).
53. Install spring retainer (22).
54. Install shaft (26).

55. Place actuator assembly (19) in a suitable press.
56. Install keepers (21).
57. Install O-ring seal (20) on actuator assembly (19).
58. Install actuator assembly (19).

60. Install O-ring seal (17) to cover (16).
61. Install cover (16).
62. Install nut (15).
63. Install screws (14).
64. Use Tooling (A) to measure the distance from the stud to the nut. Set the distance to the
recorded measurement from the disassembly.

65. Install O-ring seal (10) to plug (8).
66. Install seal (11) to plug (8).
67. Install spring (13).
68. Install shims (12).
69. Install seat (9).

70. Install plug (8) for the charge relief valve. Tighten the plug to a torque of 70 ± 4 N·m
(52 ± 3 lb ft).
71. Install back up ring (7) to cover (3).
72. Install O-ring seal (6) to cover (3).
73. Note the orientation of spring (5).
74. Install seat (4).

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injury.
75. Install the spring and cover (3) for the crossover relief valve. Tighten the cover to a torque
of 160 ± 8 N·m (118 ± 6 lb ft).
76. Repeat Step 71 through Step 75 for the other covers.
77. Install speed sensing valve (2). Tighten the valve to a torque of 50 ± 3 N·m (37 ± 2 lb ft).
78. Install the fittings and connectors (1).
End By:
a. Install the piston pump. Refer to Disassembly and Assembly, "Piston Pump - Install".
Copyright 1993 - 2019 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Mon Oct 14 22:33:40 UTC+0800 2019

Shutdown SIS
Previous Screen
Product: SKID STEER LOADER
Model: 226B3 SKID STEER LOADER SNA
Configuration: 226B3 Skid Steer Loader SNA00001-UP (MACHINE) POWERED BY C2.2 Engine
Disassembly and Assembly
259B3 Compact Track Loader, 247B3 and 257B3 Multi Terrain Loaders and 216B3,
226B3, 236B3, 242B3 and 252B3 Skid Steer Loaders Power Train
Media Number -UENR0251-07 Publication Date -01/07/2018 Date Updated -11/07/2018
i07376431
Piston Pump (Hydrostatic) - Install
SMCS - 5070-012-H7
Installation Procedure
Table 1
Required Tool
Tool Part Number Part Description Qty
A 247-4296 Pump Support 1
B 138-7575 Link Bracket 1
C
159-3327(1)
Wrench Adapter 1
387-9124(2)
Wrench Adapter 1
(1)
For use with hex head bolts.
(2)
For use with 12 point head bolts

1. Use a suitable lifting device, Tooling (B), and Tooling (A) to support piston pump (5).
2. Position piston pump (5). The weight of the piston pump is approximately 61 kg (134 lb).

3. Use Tooling (C) to install bolt (6). Tighten bolts (6) to a torque of 160 ± 30 N·m
(118 ± 22 lb ft).
Note: Refer to Service Magazine, SEPD1272, "A New Bolt Is Used To Fasten The Hystat
Pump To The Engine" for bolt replacement information.
4. Repeat Step 3 for the other side.
5. Remove Tooling (A) and (B) from piston pump (5).

6. Connect hose (4).
7. Tighten clamp (3).
8. Connect hose assemblies (2).

Caterpillar cat 226 b3 skid steer loader (prefix sna) service repair manual (sna00001 and up)

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Caterpillar cat 226 b3 skid steer loader (prefix sna) service repair manual (sna00001 and up)