Swing Motor and Swing Drive - Disassemble
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303.5D CR, 304D CR, 305D CR and 305.5D CR Mini Hydraulic Excavators Machine Systems
[UENR0102]
303.5D CR, 304D CR, 305D CR and 305.5D CR Mini Hydraulic Excavators Machine Systems
Heater Core - Remove and Install
303.5D CR, 304D CR, 305D CR and 305.5D CR Mini Hydraulic Excavators Machine Systems
Swing Motor and Swing Drive - Assemble
FRAME AND BODY
DRIVE GP-SWING
303.5D CR, 304D CR, 305D CR and 305.5D CR Mini Hydraulic Excavators Machine Systems
Swing Motor and Swing Drive - Remove
303.5D CR, 304D CR, 305D CR and 305.5D CR Mini Hydraulic Excavators Machine Systems
Swing Motor and Swing Drive - Install
303.5D CR, 304D CR, 305D CR and 305.5D CR Mini Hydraulic Excavators Machine Systems
Swing Motor and Swing Drive - Disassemble
303.5D CR, 304D CR, 305D CR and 305.5D CR Mini Hydraulic Excavators Machine Systems
Swing Motor and Swing Drive - Assemble
1.1. Disassembly Procedure
Disassembly Procedure
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| Required Tools | |||
|---|---|---|---|
| Tool | Part Number | Part Description | Qty |
| A | 126-7183 | Crossblock | 1 |
| 6V-3823 | Bolt | 2 | |
| B | 1P-1863 | Retaining Ring Pliers | 1 |
| C | 8H-0663 | Bearing Puller Gp | 1 |
Start By:
- Remove the swing motor and the swing drive. Refer to, "Swing Motor and Swing Drive - Remove".
- Remove bolts (2) and swing motor (1) .
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| Illustration 1 | g01228810 |
- Remove bolts (3) and head (4) .
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| Illustration 2 | g01228811 |
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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. |
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- Remove O-ring seal (7), port plate (5), and bearing (6) .
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| Illustration 3 | g01228812 |
- Remove O-ring seal (8), ring (9), and spring washers (10) .
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| Illustration 4 | g01228814 |
- Remove ring (11) and pins (12) .
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| Illustration 5 | g01228816 |
- Remove plug (13) and the O-ring seal.
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| Illustration 6 | g01228820 |
- Install Tooling (A) .
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| Illustration 7 | g01228821 |
- Apply a suitable air supply to the port in order to remove piston (14) .
Note: Lower the air pressure.
- Remove O-ring seals (15) .
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| Illustration 8 | g01228822 |
- Remove rotating group (16) .
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| Illustration 9 | g01228835 |
- Remove pistons (17), retainer (18), and bearing (19) .
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| Illustration 10 | g01228836 |
- Remove pins (20) .
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| Illustration 11 | g01228837 |
- Use a suitable press and Tooling (B) in order to remove retaining ring (21) .
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| Illustration 12 | g01228839 |
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| Illustration 13 | g01228840 |
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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. |
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- Remove washer (24), spring (23), and washer (22) .
- Remove disc (25) and plate (26) .
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| Illustration 14 | g01228842 |
- Remove shaft (27) and bearing (28) .
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| Illustration 15 | g01228843 |
- Use a suitable press in order to remove bearing (28) from shaft (27) .
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| Illustration 16 | g01228844 |
- Remove valve assembly (29), plug (30), and the O-ring seal.
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| Illustration 17 | g01228851 |
- Remove nut (31), O-ring seal (32), backup rings (33), and O-ring seal (34) .
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| Illustration 18 | g01229373 |
- Remove O-ring seal (35) and plate (36) .
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| Illustration 19 | g01228845 |
- Remove gears (37), races (39), and bearings (38) .
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| Illustration 20 | g01228846 |
- Remove gear (40) .
- Remove washers (41) and carrier (42) .
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| Illustration 21 | g01228848 |
- Remove sun gear (43) .
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| Illustration 22 | g01228850 |
- Use Tooling (B) in order to remove retaining ring (44) .
- Remove carrier (45) .
- Remove screws (46) and plate (47) .
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| Illustration 23 | g01229388 |
- Remove gears (48) and bearings (49) .
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| Illustration 24 | g01229389 |
- Remove washers (50) from carrier (51) .
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| Illustration 25 | g01229390 |
- Remove retainer (52) and retainers (53) .
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| Illustration 26 | g01229391 |
- Remove bearing cone (54) .
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| Illustration 27 | g01229392 |
- Remove shaft assembly (55) .
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| Illustration 28 | g01229394 |
- Remove bearing cup (56) .
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| Illustration 29 | g01229395 |
- Remove bearing cup (57) and lip seal (58) .
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| Illustration 30 | g01229396 |
- Use Tooling (C) in order to remove bearing cone (59) and dust cap (60) .
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| Illustration 31 | g01229399 |
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| Illustration 32 | g01229434 |
Information System:
303.5E2, 304E2, 305E2 and 305.5E2 Mini Excavator Machine Systems
Track - Remove and Install
303.5E2, 304E2, 305E2 and 305.5E2 Mini Excavator Machine Systems
Track Roller - Remove and Install
303.5D CR, 304D CR, 305D CR and 305.5D CR Mini Hydraulic Excavators Machine Systems
Heater Core - Remove and Install
303.5D CR, 304D CR, 305D CR and 305.5D CR Mini Hydraulic Excavators Machine Systems
Swing Motor and Swing Drive - Install
303.5D CR, 304D CR, 305D CR and 305.5D CR Mini Hydraulic Excavators Machine Systems
Swing Motor and Swing Drive - Remove
S365C and S385C Demolition and Scrap Shears
Safety Messages
C9.3 Engines for Caterpillar Built Machines
Inlet and Exhaust Valve Guides - Remove and Install
303.5D CR, 304D CR, 305D CR and 305.5D CR Mini Hydraulic Excavators Machine Systems
Swivel - Assemble
303.5D CR, 304D CR, 305D CR and 305.5D CR Mini Hydraulic Excavators Machine Systems
Swivel - Disassemble
C9.3 Engines for Caterpillar Built Machines
Fuel Pressure Is Low
303.5D CR, 304D CR, 305D CR and 305.5D CR Mini Hydraulic Excavators Machine Systems
Final Drive and Travel Motor - Assemble
303.5D CR, 304D CR, 305D CR and 305.5D CR Mini Hydraulic Excavators Machine Systems
Final Drive and Travel Motor - Disassemble
303.5D CR, 304D CR, 305D CR and 305.5D CR Mini Hydraulic Excavators Machine Systems
Swing Motor and Swing Drive - Assemble
303.5D CR, 304D CR, 305D CR and 305.5D CR Mini Hydraulic Excavators Machine Systems
Main Hydraulic Pump - Remove
S365C and S385C Demolition and Scrap Shears
Specifications
C9.3 Engines for Caterpillar Built Machines
Sensor Supply - Test
303E CR, 303.5E, 304E, 305.5E and 305E Mini Hydraulic Excavators Machine Systems
Main Hydraulic Pump - Disassemble
303.5D CR, 304D CR, 305D CR and 305.5D CR Mini Hydraulic Excavators Machine Systems
Main Hydraulic Pump - Assemble
C9.3 Engines for Caterpillar Built Machines
Electrical Power Supply - Test
303.5D CR, 304D CR, 305D CR and 305.5D CR Mini Hydraulic Excavators Machine Systems
Control Manifold (Pilot Oil) - Disassemble - Hydraulic Lockout, Swing Brake and Travel
303.5D CR, 304D CR, 305D CR and 305.5D CR Mini Hydraulic Excavators Machine Systems
Control Manifold (Pilot Oil) - Assemble - Hydraulic Lockout, Swing Brake and Travel
303.5D CR, 304D CR, 305D CR and 305.5D CR Mini Hydraulic Excavators Machine Systems
Pilot Valve (Travel) - Remove
303E CR, 303.5E, 304E, 305.5E and 305E Mini Hydraulic Excavators Machine Systems
Pilot Valve (Travel) - Install
303.5D CR, 304D CR, 305D CR and 305.5D CR Mini Hydraulic Excavators Machine Systems
Main Control Valve - Disassemble