Service Repair Manual
Models
323D LN Mobile Hydraulic
Excavator
Illustration 1
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2. Fasten the final drive to Tooling (A), as shown. The combined weight of the final drive and
final drive sprocket is approximately 312 kg (688 lb).
3. Remove bolts (1) and the washers that hold the cover in position.
Illustration 2
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4. Remove the setscrews from cover (2), and fasten Tooling (B) and a suitable lifting device to
cover (2), as shown. The weight of cover (2) is approximately 32 kg (70 lb). Remove cover
(2).
Illustration 3
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5. Remove thrust plate (3) from cover (2).
6. Remove plugs (4) from cover (2).
Illustration 4
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7. Remove O-ring seals (5) from both plugs (4) that were in the cover.
Illustration 5
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8. Remove spacer (6) from carrier assembly (7).
9. Remove sun gear (8) from carrier assembly (7).
10. Remove carrier assembly (7) by lifting the carrier assembly straight up. The weight of
carrier assembly (7) is approximately 14 kg (30 lb).
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Illustration 6
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11. Disassemble carrier assembly (7), as follows.
a. Drive spring pin (10) into planetary shaft (9) with a hammer and a punch.
Illustration 7
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b. Remove planetary shaft (9) with spring pin (10) from the carrier assembly.
c. Remove spring pin (10) from planetary shaft (9) with a hammer and a punch.
Illustration 8
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d. Remove thrust washers (11) and planetary gear (13) from the carrier assembly.
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e. Remove bearing (12) from planetary gear (13).
12. Repeat Steps 11.a through 11.e in o