2. Shutdown SIS
Previous Screen
Product: MINI HYD EXCAVATOR
Model: 304E MINI HYD EXCAVATOR SSC
Configuration: 304E Mini Hydraulic Excavator SSC00001-UP (MACHINE)
Disassembly and Assembly
303E CR, 303.5E, 304E, 305.5E and 305E Mini Hydraulic Excavators Machine
Systems
Media Number -UENR0148-04 Publication Date -01/10/2016 Date Updated -25/10/2016
i06906733
Final Drive and Travel Motor - Assemble
SMCS - 4050-016; 4351-016
Assembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
B 1P-1857 Retaining Ring Pliers 1
C 289-6053 Spanner Wrench 1
Illustration 1 g01243022
1. Install Duo-Cone Seal Gp (53).
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3. Illustration 2 g01243021
2. Install bearing (52) and Duo-Cone Seal Gp (51).
Illustration 3 g01243019
3. Install ring gear assembly (49) onto motor housing (50).
Illustration 4 g01243018
4. Use Tooling (C) to install nut (48).
5. Tighten nut (48) to a torque of 240 N·m (177 lb ft).
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4. Illustration 5 g01371953
6. Raise the temperature of bearing (48A).
7. Install bearing (48A) onto shaft (45).
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.
Illustration 6 g01243016
8. Install spring (45) and seal (47).
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6. 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.
Illustration 10 g01243011
12. Install washers (37) and spring (38).
Illustration 11 g01243009
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.
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7. 13. Use a suitable press and Tooling (B) to install retaining ring (36).
Illustration 12 g01243008
14. Install pins (35).
Illustration 13 g01243007
15. Install barrel (32), discs (33), and plates (34).
Illustration 14 g01243006
16. Install O-ring seals (31).
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8. Illustration 15 g01244899
17. Install piston (30).
Illustration 16 g01243004
18. Install O-ring seals (28), O-ring seal (27), and springs (29).
Illustration 17 g01243003
19. Install bearing (26) and port plate (25).
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9. Illustration 18 g01243001
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.
20. Install head (23) and bolts (24). Tighten bolts (24) to a torque of 29 ± 5 N·m (21 ± 4 lb ft).
Illustration 19 g01243000
21. Install poppet (22).
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10. Illustration 20 g01242998
22. Install spring (21).
Illustration 21 g01242996
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.
23. Install the O-ring seal and plug (20). Tighten plug (20) to a torque of 196 ± 15 N·m
(145 ± 11 lb ft).
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11. Illustration 22 g01242992
24. Install washers (16), coupling (17), washer (18), and setscrews (19).
Illustration 23 g01242991
25. Install bearings (14), gear (15), and gears (13).
Illustration 24 g01242989
26. Install retainers (12) and bolts (11). Tighten bolts (11) to a torque of 33 ± 5 N·m
(24 ± 4 lb ft).
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12. Illustration 25 g01242988
27. Install carrier (9) and washer (10).
Illustration 26 g01242987
28. Install bearings (7), gear (8), and gears (6).
Illustration 27 g01242984
29. Install retainer (5) and bolts (4). Tighten bolts (4) to a torque of 33 ± 5 N·m (24 ± 4 lb ft).
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13. Illustration 28 g01242982
30. Install cover (3), ring (1), and plug (2). Tighten plug (2) to a torque of 59 ± 10 N·m
(44 ± 7 lb ft).
End By:
a. Install the final drive and the travel motor.
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Wed Feb 19 19:21:46 UTC+0800 2020
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14. Shutdown SIS
Previous Screen
Product: MINI HYD EXCAVATOR
Model: 304E MINI HYD EXCAVATOR SSC
Configuration: 304E Mini Hydraulic Excavator SSC00001-UP (MACHINE)
Disassembly and Assembly
303E CR, 303.5E, 304E, 305.5E and 305E Mini Hydraulic Excavators Machine
Systems
Media Number -UENR0148-04 Publication Date -01/10/2016 Date Updated -25/10/2016
i06799276
Final Drive and Travel Motor - Assemble
SMCS - 4050-016; 4351-016
Assembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
B 1P-1857 Retaining Ring Pliers 1
D 289-6052 Spanner Wrench 1
E 161-4350 Duo-Cone Seal Installation Gp 1
Illustration 1 g03779912
1. Use Tooling (E) to install Duo-Cone seal (58).
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15. Illustration 2 g03779907
2. Install bearing (59). Use Tooling (E) to install Duo-Cone seal (58).
Illustration 3 g03779867
Illustration 4 g03779864
3. There is a count of 132 balls (57). Install balls (57).
4. Install plug (56).
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16. Illustration 5 g01245010
5. Install ring gear (54) onto motor housing (55).
6. Use Tooling (D) to install nut (53). The torque of nut (53) is 196 ± 9.8 N·m (145 ± 7 lb ft).
7. Install bolts (52) and tighten to a torque of 6 ± 2 N·m (53 ± 18 lb in).
Illustration 6 g01245009
8. Install springs (50) and seal (51).
Illustration 7 g01246088
9. Raise temperature of bearing (48).
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17. 10. Install bearing (48) onto shaft (47).
Illustration 8 g01245007
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.
11. Install pistons (46), balls (49), shaft (47), and bearing (48).
Illustration 9 g01245005
12. Install swashplate (45).
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19. 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.
15. Use a suitable press and Tooling (B) to install retaining ring (38).
Illustration 13 g01244999
16. Install pins (37).
Illustration 14 g01244997
17. Install plate (35) and barrel (36).
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20. Illustration 15 g01244996
18. Install O-ring seals (34) and backup rings (33).
Illustration 16 g01244993
19. Install piston (32), springs (28), O-ring seal (29), O-ring seals (30), and O-ring seals (31).
Illustration 17 g01244992
20. Install port plate (25), bearing (27), and pins (26).
Note: Make sure that port plate (25) stays aligned with dowel during assembly.
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21. Illustration 18 g01244991
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.
21. Install head (24) and bolts (23) . Tighten bolts (23) to a torque of 64 ± 4 N·m (47 ± 3 lb ft).
Illustration 19 g01244989
22. Install spool (22).
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22. Suggest:
If the above button click is invalid.
Please download this document
first, and then click the above link
to download the complete manual.
Thank you so much for reading
23. Illustration 20 g01244988
23. Install spring (21) and retainer (20).
Illustration 21 g01244987
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.
24. Install the O-ring seal and plug (19).
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