This document provides instructions for disassembling and assembling the piston motor of 262B skid steer loader models. The disassembly process involves 22 steps that remove components like bolts, springs, seals, discs, plates, and bearings. The assembly process reverses the disassembly steps and provides additional details like tooling used and ensuring proper spring loading of components. Safety notices are included throughout to warn of potential injury from released spring forces.
2. Shutdown SIS
Previous Screen
Product: SKID STEER LOADER
Model: 262B SKID STEER LOADER PDT
Configuration: 236B 246B 252B 262B SKID STEER LOADER PDT00001-UP (MACHINE) POWERED BY 3044C Engine
Disassembly and Assembly
236B, 236B2, 246B, 252B, 252B2 and 262B Skid Steer Loaders Power Train
Media Number -RENR4864-04 Publication Date -01/12/2010 Date Updated -07/12/2010
i02817235
Piston Motor (Hydrostatic) - Disassemble
SMCS - 4351-015
Disassembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A
4S-5415 Puller Arm 2
8H-0700 Plates 4
1P-2327 Head 1
1P-2328 Forcing Screw 1
3H-0464 Bolt and Nut Group 4
Start By:
a. Remove the piston motor. Refer to Disassembly and Assembly , "Piston Motor
(Hydrostatic) - Remove".
Note: Cleanliness is an important factor. Before the disassembly procedure, the exterior of the
component should be thoroughly cleaned. This will help to prevent dirt from entering the internal
mechanism.
1/11236B 246B 252B 262B SKID STEER LOADER PDT00001-UP (MACHINE) POWE...
2019/11/21https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
3. Illustration 1 g01405001
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.
1. Remove bolts (1) and cover (2).
Illustration 2 g01405004
2. Remove spring (3).
2/11236B 246B 252B 262B SKID STEER LOADER PDT00001-UP (MACHINE) POWE...
2019/11/21https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
4. Illustration 3 g01405019
Illustration 4 g01405021
3. Use shop air in order to remove piston (4). Remove seals (5) from piston (4).
Illustration 5 g01405022
4. Remove bolts (6) and housing (7).
3/11236B 246B 252B 262B SKID STEER LOADER PDT00001-UP (MACHINE) POWE...
2019/11/21https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
6. Illustration 9 g01405029
8. Remove O-ring seal (12). Remove bolts (13) and housing assembly (14).
Illustration 10 g01405030
Illustration 11 g01405031
Personal injury can result from being struck by parts propelled by a
released spring force.
5/11236B 246B 252B 262B SKID STEER LOADER PDT00001-UP (MACHINE) POWE...
2019/11/21https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
7. Make sure to wear all necessary protective equipment.
Follow the recommended procedure and use all recommended tooling to
release the spring force.
9. Remove bolts (15) and separate housings (16) and (18). Remove plug (17). Remove O-ring
seal (21), spring (20), and piston (19).
Illustration 12 g01405032
10. Remove seal (22).
Illustration 13 g01405048
6/11236B 246B 252B 262B SKID STEER LOADER PDT00001-UP (MACHINE) POWE...
2019/11/21https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
8. Illustration 14 g01405049
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.
11. Use a suitable brass punch in order to remove seal housing (23) from housing (16). Remove
two seals (26) and springs (25) from seal housing (23). Remove dowel (24). Remove two
seals (not shown) from inside housing (16) after seal housing (23) is removed.
Illustration 15 g01405052
12. Remove piston housing (27).
7/11236B 246B 252B 262B SKID STEER LOADER PDT00001-UP (MACHINE) POWE...
2019/11/21https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
9. Illustration 16 g01405054
13. Remove ring (27). Remove spacer (28). Invert piston housing (27) and repeat for the other
side.
Illustration 17 g01405059
14. Remove roller (32). Remove piston (31) and O-ring seal (30). Repeat for the remaining
pistons.
Illustration 18 g01405061
15. Use a suitable punch in order to remove retainers (33).
8/11236B 246B 252B 262B SKID STEER LOADER PDT00001-UP (MACHINE) POWE...
2019/11/21https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
10. Illustration 19 g01405062
16. Remove shim (34).
Illustration 20 g01405063
17. Use a suitable press in order to remove shaft assembly (35).
Illustration 21 g01408524
18. Remove bearing cone (36).
9/11236B 246B 252B 262B SKID STEER LOADER PDT00001-UP (MACHINE) POWE...
2019/11/21https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
11. Illustration 22 g01409611
19. Remove bearing cup (37) and seal (38).
Illustration 23 g01409613
20. Remove bearing cup (39).
Illustration 24 g01409615
21. Remove seal (40).
10/11236B 246B 252B 262B SKID STEER LOADER PDT00001-UP (MACHINE) POW...
2019/11/21https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
12. Illustration 25 g01409642
22. Use Tooling (A) in order to remove bearing cone (42) from shaft (41).
Copyright 1993 - 2019 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Thu Nov 21 22:47:26 UTC+0800 2019
11/11236B 246B 252B 262B SKID STEER LOADER PDT00001-UP (MACHINE) POW...
2019/11/21https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
13. Shutdown SIS
Previous Screen
Product: SKID STEER LOADER
Model: 262B SKID STEER LOADER PDT
Configuration: 236B 246B 252B 262B SKID STEER LOADER PDT00001-UP (MACHINE) POWERED BY 3044C Engine
Disassembly and Assembly
236B, 236B2, 246B, 252B, 252B2 and 262B Skid Steer Loaders Power Train
Media Number -RENR4864-04 Publication Date -01/12/2010 Date Updated -07/12/2010
i03644882
Piston Motor (Hydrostatic) - Assemble
SMCS - 4351-016
Assembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 161-0970 Grease 1
B 318-1478 Sleeve 1
Illustration 1 g01409739
1. Raise the temperature of bearing cone (42). Install bearing cone (42) onto shaft (41).
2. Pack bearing (42) with Tooling (A).
1/9236B 246B 252B 262B SKID STEER LOADER PDT00001-UP (MACHINE) POWE...
2019/11/21https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
14. Illustration 2 g01409613
3. Lower the temperature of bearing cup (39). Install bearing cup (39).
Illustration 3 g01409611
4. Install seal (38). Lower the temperature of bearing cup (37). Install bearing cup (37).
Illustration 4 g01409741
2/9236B 246B 252B 262B SKID STEER LOADER PDT00001-UP (MACHINE) POWE...
2019/11/21https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
15. Illustration 5 g01409752
5. Support shaft assembly (35), as shown. Install the housing onto shaft assembly (35), as
shown. Install bearing cone (36) over shaft assembly (35). Use Tooling (B) and a suitable
press in order to install bearing cone (36) onto shaft assembly (35).
Use the suitable press in order to maintain preload on bearing cone (36). Measure the
distance (X) between the face of bearing cone (36) and the face of the groove for the
retainers. Select a shim that is between 0.1 mm (0.004 inch) and 0.2 mm (0.008 inch) more
than the measurement of Dimension (X).
Illustration 6 g01405062
6. Install shim (34) that was determined from the previous step.
3/9236B 246B 252B 262B SKID STEER LOADER PDT00001-UP (MACHINE) POWE...
2019/11/21https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
16. Thank you very much for
your reading. Please Click
Here. Then Get COMPLETE
MANUAL. NO WAITING
NOTE:
If there is no response to
click on the link above,
please download the PDF
document first and then
click on it.
17. Illustration 7 g01405061
7. Use a suitable punch in order to install retainers (33).
Illustration 8 g01405059
8. Install O-ring seal (30) onto piston (31) and install piston (31). Repeat for the remaining
pistons. Install roller (32).
Illustration 9 g01405054
9. Install spacer (28). Use Tooling (A) in order to install retaining ring (27). Invert piston
housing (27) and repeat for the other side.
4/9236B 246B 252B 262B SKID STEER LOADER PDT00001-UP (MACHINE) POWE...
2019/11/21https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
18. Illustration 10 g01405052
10. Install piston housing (27).
Illustration 11 g01405049
Illustration 12 g01409790
Improper assembly of parts that are spring loaded can cause bodily
injury.
5/9236B 246B 252B 262B SKID STEER LOADER PDT00001-UP (MACHINE) POWE...
2019/11/21https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
19. To prevent possible injury, follow the established assembly procedure
and wear protective equipment.
11. Install two seals (not shown) into the inside of housing (16). Install dowel (24). Install two
seals (26) and springs (25) onto seal housing (23). Install seal housing (23) into housing
(16). Install seal (22).
Note: Dowel (24) must fall into the slot that is located in housing (16).
Illustration 13 g01405031
Illustration 14 g01405030
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.
6/9236B 246B 252B 262B SKID STEER LOADER PDT00001-UP (MACHINE) POWE...
2019/11/21https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...