Caterpillar Cat 303.5E Mini Hydraulic Excavator (Prefix RSE) Service Repair Manual (RSE00001 and up).pdf

Service Repair Manual
Models
303.5E Mini Hydraulic Excavator

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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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Illustration 1 g01250159
1. Remove bolts (1) and valve assembly (2).
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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7. Remove check valve (13) and check valve (14).
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).
10. Remove bolts (19) and head (20).
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11. Remove bolts (21) and plate (22).
12. Remove swashplate (24) and shaft assembly (23) from plate (22).
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13. Use Tooling (A) and a suitable press in order to remove bearing (25) from shaft assembly
(23).
14. Remove spring assembly (26).
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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17. Remove rotating group (28).
18. Remove pistons (29), retainer (30), and bearing (31).
19. Remove pins (32) from barrel assembly (33).
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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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22. Remove plate (39), port plate (40), and bearing (41).
23. Remove plate (42).
24. Remove gears (43), bearings (44), gear (45), and carrier (46).
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25. Remove gear (47) and carrier assembly (48).
26. Use Tooling (D) in order to remove retaining ring (49).
27. Remove plate (50), gears (51), and the bearings from carrier (52).
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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30. Remove bearing cup (59) and lip seal (60).
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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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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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).
4. Lower the temperature of bearing cup (59).
5. Install lip seal (60) and bearing cup (59).
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6. Install shaft (56) and bearing cone (58).
7. Install retainers (54), ring (53), ring gear (55), and O-ring seal (57).
8. Install the bearings, gears (51), and plate (50) onto carrier (52).
9. Use Tooling (D) in order to install retaining ring (49).
10. Install carrier assembly (48) and gear (47).
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11. Install carrier (46), gear (45), bearings (44), and gears (43).
12. Install plate (42).
13. Install bearing (41), port plate (40), and plate (39).
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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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16. Install pins (32) into barrel assembly (33).
17. Install bearing (31), retainer (30), and pistons (29).
18. Install rotating group (28).
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19. Install piston (27).
20. Install spring assembly (26).
21. Raise the temperature of bearing (25).
22. Install bearing (25) from shaft assembly (23).
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23. Install shaft assembly (23) and swashplate (24) into plate (22).
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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25. Install head (20) and bolts (19).
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).
28. Install check valve (13) and check valve (14).
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Caterpillar Cat 303.5E Mini Hydraulic Excavator (Prefix RSE) Service Repair Manual (RSE00001 and up).pdf

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