Service Repair Manual
Models
330D2 and 330D2 L Excavator
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Product: MOBILE HYD POWER UNIT
Model: 330D2 MOBILE HYD POWER UNIT HER
Configuration: 330D2 L Mobile Hydraulic Power Unit HER00001-UP (MACHINE) POWERED BY C7.1 Engine
Disassembly and Assembly
330D2 Excavators Machine Systems
Media Number -M0084786-00
Publication Date -01/10/2017
Date Updated -23/10/2017
i03508206
Final Drive - Disassemble
SMCS - 4050-015
Disassembly Procedure
Table 1
Required Tools
Tool Part Number
Part Description
Qty
A
1P-2420
Transmission Repair Stand
1
B
138-7573
Link Bracket
2
C
1P-1863
Retaining Ring Pliers
1
D
138-7575
Link Bracket
3
E
4C-8359
Eyebolt
2
F
138-7574
Link Bracket
2
G
138-7576
Link Bracket
2
Start By:
a. Start by removing the final drive. Refer to Disassembly and Assembly, "Final Drive -
Remove".
Note: Cleanliness is an important factor. Before the disassembly procedure, the exterior of
the component should be thoroughly cleaned. This will prevent dirt from entering the
internal mechanism.
1. Put an alignment mark across the sections of the final drive for assembly purposes. The
parts must be reinstalled to the original locations.
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Illustration 1
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2. Use Tooling (G) and a suitable lifting device to position the final drive assembly onto
Tooling (A). The weight of the final drive assembly is approximately 550 kg (1200 lb).
3. Remove bolts (1).
Illustration 2
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4. Use Tooling (B) and a suitable lifting device to remove cover (2). The weight of cover (2) is
approximately 32 kg (70 lb).
Illustration 3
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5. Remove bolts (3) and gear (4). Check plate (6). Replace plate (6) if plate (6) is worn.
Remove plugs (5) from cover (2).
Illustration 4
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6. Remove O-ring seals (7) from plugs (5).
Illustration 5
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