2. Shutdown SIS
Previous Screen
Product: MINI HYD EXCAVATOR
Model: 303.5E MINI HYD EXCAVATOR RSE
Configuration: 303.5E Mini Hydraulic Excavator RSE00001-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
i04778099
Swing Motor and Swing Drive - Disassemble
SMCS - 5058-015-ZW; 5459-015
Disassembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 9S-9152 Bearing Puller Gp 1
B 126-7183 Crossblock 1
C 1P-1857 Retaining Ring Pliers 1
D 1P-1859 Retaining Ring Pliers 1
Start By:
a. Remove the swing motor and the swing drive.
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3. Illustration 1 g01250159
1. Remove bolts (1) and valve assembly (2).
Illustration 2 g01250160
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.
2. Remove plug (3), the O-ring seal, and spring (4).
3. Remove plug (8), the O-ring seal, shim (9), and spring (10).
4. Remove plug (7), the O-ring seal, and spool (6).
5. Remove plug (12), the O-ring seal, and spool (11).
6. Remove O-ring seals (5).
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4. Illustration 3 g01250161
7. Remove check valve (13) and check valve (14).
Illustration 4 g01250163
8. Remove backup ring (15), O-ring seal (16), backup ring (17), and O-ring seal (18) from
check valve (13).
9. Repeat Step 8 for check valve (14).
Illustration 5 g01250166
10. Remove bolts (19) and head (20).
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5. Illustration 6 g01250164
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. Remove bolts (21) and plate (22).
Illustration 7 g01250167
12. Remove swashplate (24) and shaft assembly (23) from plate (22).
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6. Illustration 8 g01250168
13. Use Tooling (A) and a suitable press in order to remove bearing (25) from shaft assembly
(23).
Illustration 9 g01250171
14. Remove spring assembly (26).
Illustration 10 g01250172
15. Install Tooling (B).
16. Apply approximately 345 kPa (50 psi) of shop air pressure in order to remove piston (27).
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8. Illustration 14 g01250177
Illustration 15 g01250179
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.
20. Use Tooling (C) and a suitable press in order to remove retaining ring (34).
21. Remove washer (37), spring (36), and washer (35).
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10. Illustration 19 g01250184
25. Remove gear (47) and carrier assembly (48).
Illustration 20 g01250185
26. Use Tooling (D) in order to remove retaining ring (49).
27. Remove plate (50), gears (51), and the bearings from carrier (52).
Illustration 21 g01250186
28. Remove ring (53), retainers (54), O-ring seal (57), and ring gear (55).
29. Use a suitable press in order to remove shaft (56) and bearing cone (58).
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11. Illustration 22 g01250187
30. Remove bearing cup (59) and lip seal (60).
Illustration 23 g01250188
31. Remove bearing cone (63) and seal (64) from shaft (56).
32. Remove bearing cup (62) from housing (61).
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
Sun Mar 1 16:56:46 UTC+0800 2020
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12. Shutdown SIS
Previous Screen
Product: MINI HYD EXCAVATOR
Model: 303.5E MINI HYD EXCAVATOR RSE
Configuration: 303.5E Mini Hydraulic Excavator RSE00001-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
i04778100
Swing Motor and Swing Drive - Assemble
SMCS - 5058-016-ZW; 5459-016
Assembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
C 1P-1857 Retaining Ring Pliers 1
D 1P-1859 Retaining Ring Pliers 1
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13. Illustration 1 g01250188
1. Lower the temperature of bearing cup (62).
2. Install bearing cup (62) into housing (61).
3. Install seal (64) and bearing cone (63) onto shaft (56).
Illustration 2 g01250187
4. Lower the temperature of bearing cup (59).
5. Install lip seal (60) and bearing cup (59).
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14. Illustration 3 g01250186
6. Install shaft (56) and bearing cone (58).
7. Install retainers (54), ring (53), ring gear (55), and O-ring seal (57).
Illustration 4 g01250185
8. Install the bearings, gears (51), and plate (50) onto carrier (52).
9. Use Tooling (D) in order to install retaining ring (49).
Illustration 5 g01250184
10. Install carrier assembly (48) and gear (47).
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16. Illustration 9 g01250177
Illustration 10 g01250179
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.
14. Install washer (35), spring (36), and washer (37).
15. Use Tooling (C) and a suitable press in order to install retaining ring (34).
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19. Illustration 14 g01251301
19. Install piston (27).
Illustration 15 g01250171
20. Install spring assembly (26).
Illustration 16 g01251332
21. Raise the temperature of bearing (25).
22. Install bearing (25) from shaft assembly (23).
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20. Illustration 17 g01250167
23. Install shaft assembly (23) and swashplate (24) into plate (22).
Illustration 18 g01250164
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 plate (22) and bolts (21).
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21. Illustration 19 g01250166
25. Install head (20) and bolts (19).
Illustration 20 g01250163
26. Install O-ring seal (18), backup ring (17), O-ring seal (16), and backup ring (15) onto check
valve (13).
27. Repeat Step 26 for check valve (14).
Illustration 21 g01250161
28. Install check valve (13) and check valve (14).
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