Upper Frame and Undercarriage Frame - Connect
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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
Upper Frame and Undercarriage Frame - Separate
303.5D CR, 304D CR, 305D CR and 305.5D CR Mini Hydraulic Excavators Machine Systems
Counterweight - Remove and Install
FRAME AND BODY
FRAME GP
303.5D CR, 304D CR, 305D CR and 305.5D CR Mini Hydraulic Excavators Machine Systems
Upper Frame and Undercarriage Frame - Separate
303.5D CR, 304D CR, 305D CR and 305.5D CR Mini Hydraulic Excavators Machine Systems
Upper Frame and Undercarriage Frame - Connect
303.5D CR, 304D CR, 305D CR and 305.5D CR Mini Hydraulic Excavators Machine Systems
Support (Swing Boom) - Remove
303.5D CR, 304D CR, 305D CR and 305.5D CR Mini Hydraulic Excavators Machine Systems
Support (Swing Boom) - Install
1.1. Connection Procedure
Connection Procedure
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| Required Tools | |||
| Tool | Part Number | Part Description | Qty |
| A | 189-0410 | Shackle As | 2 |
| B | 1U-9200 | Lever Puller Hoist | 2 |
| C | 140-7742 | Sleeve | 1 |
| D | 189-0412 | Shackle As | 1 |
| E | 138-7574 | Link Bracket | 3 |
| F | 6V-6146 | Load Leveling Beam | 1 |
| G | 1U-9204 | Lever Puller Hoist | 1 |
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| NOTICE |
|---|
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting, and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. Refer to Special Publication, NENG2500, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat products. Dispose of all fluids according to local regulations and mandates. |
- Attach Tooling (E) to counterweight (14) .
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| Illustration 1 | g02163508 |
- Attach a suitable lifting device to Tooling (F) . Attach Tooling (F) to a suitable lifting device and Tooling (G) , as shown. Attach Tooling (E) to the upper frame and to the suitable lifting device from Tooling (F) . The weight of the upper frame for the 303.5D and the 304D is approximately 1624 kg (3580 lb). The weight of the upper frame for the 305D and the 305.5D is approximately 1939 kg (4275 lb).
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| Illustration 2 | g01254311 |
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| Illustration 3 | g01254315 |
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| Illustration 4 | g01254314 |
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| Illustration 5 | g01254312 |
- Ensure that upper frame (18) is level before you lower upper frame (18) . Carefully lower upper frame (18) onto undercarriage frame (19) .
- Remove guide stud (17) . Install bolts (15) into swing bearing (16) .
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| Illustration 6 | g01254313 |
- Connect eight hose assemblies (12) to the top of swivel assembly (13) .
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| Illustration 7 | g01254308 |
- Install fittings (11) and connect grease hose assemblies (10) .
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| Illustration 8 | g01254306 |
- Position boom assembly (1) and install pin (9) and bolt (8) .
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| Illustration 9 | g01254305 |
- Connect hose assemblies (7) .
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| Illustration 10 | g02151402 |
- Connect clamp (6) to boom assembly (1) .
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| Illustration 11 | g01254302 |
- Connect harness assemblies (4) to lamp assembly (3) . Install cable straps (5) .
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| Illustration 12 | g02151400 |
- Attach Tooling (A) and a suitable lifting device to boom assembly (1) . The weight of boom assembly is approximately 635 kg (1400 lb).
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| Illustration 13 | g01254297 |
- Attach Tooling (B) and Tooling (C) to boom assembly (1) and stick assembly (2) in order to secure stick assembly (2) to boom assembly (1) .
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| Illustration 14 | g01254298 |
- Attach Tooling (D) to a suitable lifting device. Attach Tooling (B) to stick assembly (2) .
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| Illustration 15 | g01254299 |
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| Illustration 16 | g01254300 |
End By:
- Install the boom cylinder. Refer to , "Boom Cylinder - Remove and Install".
- Install the bucket. Refer to , "Bucket - Install".
Information System:
303.5D CR, 304D CR, 305D CR and 305.5D CR Mini Hydraulic Excavators Machine Systems
Upper Frame and Undercarriage Frame - Separate
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303.5D CR, 304D CR, 305D CR and 305.5D CR Mini Hydraulic Excavators Machine Systems
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303.5D CR, 304D CR, 305D CR and 305.5D CR Mini Hydraulic Excavators Machine Systems
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303.5D CR, 304D CR, 305D CR and 305.5D CR Mini Hydraulic Excavators Machine Systems
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