2. Shutdown SIS
Previous Screen
Product: EXCAVATOR
Model: 330C L EXCAVATOR CAP
Configuration: 330C L & 330C LN Excavators CAP00001-UP (MACHINE) POWERED BY C-9 Engine
Disassembly and Assembly
330C Excavator Machine Systems
Media Number -RENR5438-14 Publication Date -01/04/2010 Date Updated -13/04/2010
i02298121
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 208-6033 Spanner Socket As 1
F 138-7574 Link Bracket 2
G
5F-7366 Forcing Screw 1
1P-5546 Crossblock 1
1U-9889 Crossblock 1
1P-0520 Driver Group 1
6V-7888 Puller Leg 2
1H-3112 Puller Assembly 1
1P-5551 Adjustable Screw Assembly 1
H 138-7576 Link Bracket 3
J 1U-7600 Slide Hammer Puller Gp 1
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3. 8T-0266 Bolt 1
Start By:
A. Remove 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 in the part's original locations.
Illustration 1 g00892878
2. Use Tooling (H) and a suitable lifting device to position the final drive on Tooling (A). The
combined weight of the final drive assembly is approximately 550 kg (1200 lb).
3. Remove bolts (1) .
Illustration 2 g00892883
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4. 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 g00892888
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 g00892906
6. Remove O-ring seals (7) from plugs (5) .
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5. Illustration 5 g00892930
7. Remove gear (8) and spacer (9) .
Illustration 6 g00892965
8. Use Tooling (C) to remove retaining ring (10). Remove washer (11) and gear (12). Remove
bearing assembly (13) and washer (14) .
9. Repeat Step 8 for the other two gear assemblies.
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7. Illustration 10 g00892997
13. Use Tooling (D) and a suitable lifting device to remove planetary carrier (19). The weight of
planetary carrier (19) is approximately 48 kg (105 lb).
Illustration 11 g00893019
14. Remove retainer ring (21). Lift planetary carrier (19) off sun gear (20) .
Illustration 12 g00896860
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8. 15. Drive spring pin (23) into planetary shaft (22) .
Illustration 13 g00893043
16. Remove planetary shaft (22). Use a suitable punch to remove spring pin (23) from planetary
shaft (22) .
Illustration 14 g00896863
17. Remove washers (24) and bearing (25) from planetary gear (26) .
18. Repeat Steps 15 through 17 for the other two planetary gears.
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9. Illustration 15 g00897431
19. Remove spacer (27) .
20. Use two people to remove carrier assembly (28). The weight of carrier assembly (28) is
approximately 38 kg (85 lb).
Illustration 16 g00893652
21. Drive spring pin (30) into shaft (29) .
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10. Illustration 17 g00893658
22. Remove shaft (29). Use a suitable punch to remove spring pin (30) from shaft (29) .
Illustration 18 g00893674
23. Remove washers (31) and bearings (32) from planetary gear (33) .
24. Repeat Steps 21 through 23 for the other three planetary gears.
Illustration 19 g00893683
25. Use two people to remove gear (34). The weight of gear (34) is approximately 41 kg (90 lb).
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11. Illustration 20 g00893694
26. Remove O-ring seal (35) .
Illustration 21 g01150936
27. Remove bolt (36A) and plate (36B) from both sides of stopper plate (36) .
Illustration 22 g01150945
Typical example
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12. 28. Use Tooling (J) to remove dowels (36C) .
Illustration 23 g00893837
29. Secure the spanner socket from Tooling (E) to stopper plate (36). Use Tooling (E) to
remove stopper plate (36) .
Illustration 24 g00893850
30. Use Tooling (F) and a suitable lifting device to remove sprocket housing (38) from housing
(37). The weight of sprocket housing (38) is approximately 385 kg (850 lb).
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13. Illustration 25 g00893858
31. Remove Duo-Cone seal (39) from housing (37) .
32. Rotate sprocket housing (38) .
Illustration 26 g00893865
33. Remove Duo-Cone seal (40) .
Illustration 27 g00893872
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14. 34. Use Tooling (G) in order to remove bearings (41) and (42) from sprocket housing (38) .
35. If necessary, remove the final drive sprocket from the sprocket housing. Refer to
Disassembly and Assembly, "Final Drive Sprocket - Remove and Install".
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Mon Sep 7 20:05:07 UTC+0800 2020
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15. Shutdown SIS
Previous Screen
Product: EXCAVATOR
Model: 330C L EXCAVATOR CAP
Configuration: 330C L & 330C LN Excavators CAP00001-UP (MACHINE) POWERED BY C-9 Engine
Disassembly and Assembly
330C Excavator Machine Systems
Media Number -RENR5438-14 Publication Date -01/04/2010 Date Updated -13/04/2010
i03146820
Final Drive - Assemble
SMCS - 4050-016
Assembly 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 208-6033 Spanner Socket As 1
F 138-7574 Link Bracket 2
H 138-7576 Link Bracket 3
K
8T-9206 Duo-Cone Seal Installer As 1
169-0503 Installation Kit 1
L 1U-6396 O-Ring Assembly Compound 1
M 5P-3931 Anti-Seize Compound 1
N 1U-8846 Gasket Sealant 1
P 6V-7030 Micrometer Depth Gauge Gp 1
Q 235-4848 Drill Fixture Gp 1
R 9S-3263 Thread Lock Compound 1
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16. S 1U-8846 Gasket Sealant 1
T FT-2770 Leak Down Test Tool 1
Note: Cleanliness is an important factor. Before assembly, all parts should be thoroughly
cleaned in cleaning fluid. Allow the parts to air dry. Wiping cloths or rags should not be
used to dry parts. Lint may be deposited on the parts which may cause later trouble. Inspect
all parts. If any parts are worn or damaged, use new parts for replacement. All disassembly
and all assembly procedures must be performed on a clean work surface and in a clean
hydraulic area. Keep cleaned parts covered and protected at all times.
Note: O-rings, gaskets, and seals should always be replaced. A used O-ring may not have
the same sealing properties as a new O-ring. Use Tooling (L) during the assembly
procedure.
Note: Some of the images that are in this procedure do not show the sprocket assembly that
is attached to the final drive housing. If necessary, the weights that are given include the
weight of the sprocket assembly.
Note: Apply a light film of hydraulic oil to all components before assembly.
1. Install the final drive sprocket if the sprocket was removed from the main housing. Refer to
Disassembly and Assembly, "Final Drive Sprocket - Remove and Install".
Illustration 1 g00893865
2. Apply Tooling (M) to the outer diameter of bearings (41) and (42) .
3. Use a suitable press to install bearings (41) and (42) in the original locations in sprocket
housing (38) .
4. Make sure that bearings (41) and (42) contact the counterbore in sprocket housing (38) .
5. Use Tooling (K) to install Duo-Cone seal (40) .
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17. Illustration 2 g01151065
Illustration 3 g00893858
6. Use Tooling (K) to install Duo-Cone seal (39) .
Illustration 4 g00893850
7. Use Tooling (F) and a suitable lifting device to position sprocket housing (38) on housing
(37) . The weight of sprocket housing (38) is approximately 295 kg (650 lb).
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18. 8. Remove Tooling (F) from sprocket housing (38) .
Illustration 5 g00894301
Note: A new stopper plate (36) should be used.
9. Install stopper plate (36) . Do not tighten stopper plate (36) at this time.
Note: Stopper plate (36) will secure housing (37) to sprocket housing (38) .
10. Use Tooling (F) and a suitable lifting device to position housing (37) and sprocket housing
(38) into a suitable press. The combined weight of housing (37) and sprocket housing (38) is
approximately 385 kg (850 lb).
11. Remove stopper plate (36) .
Illustration 6 g01150992
12. Assemble Tooling (E) , as shown.
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19. Illustration 7 g01150993
13. Install Tooling (E) into sprocket housing (38) , as shown.
14. Apply a force of 4000 kg (8820 lb) to the top of Tooling (E) . Rotate sprocket housing (38)
in order to seat the bearings.
15. Reduce the force on the top of Tooling (E) to 3000 kg (6600 lb).
Illustration 8 g01150994
16. Use Tooling (P) to take a measurement in three locations. Average the three measurements
and record this figure as Dimension (W) .
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20. Illustration 9 g01150996
17. Remove Tooling (E) .
18. Separate Tooling (E) .
19. Use a micrometer in order to measure the thickness at three locations of the spacer from
Tooling (E) . Record the average measurement as Dimension (X) .
Illustration 10 g01150997
20. Use a micrometer in order to measure the thickness at three locations of stopper plate (36) .
Record the average measurement as Dimension (Y) .
21. Subtract Dimension (X) from Dimension (Y) and record this figure as Dimension (Z) .
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21. Illustration 11 g01151019
22. Install stopper plate (36) onto housing (37) . Do not tighten the stopper plate at this time.
Note: Stopper plate (36) will secure the final drive assembly while the final drive assembly
is repositioned onto Tooling (A) .
23. Use Tooling (F) and a suitable lifting device to reposition the final drive assembly onto
Tooling (A) . The combined weight of housing (37) and sprocket housing (38) is
approximately 385 kg (850 lb).
24. Secure the final drive assembly to Tooling (A) .
Illustration 12 g01150998
25. Secure the spanner socket from Tooling (E) to stopper plate (36) .
26. In order to determine the final bearing preload, add Dimension (W) to Dimension (Z) and
record this figure as Dimension (V) .
27. Use Tooling (P) to measure the distance in three locations.
28. Tighten stopper plate (36) until the average of the measurements is equal to Dimension (V) .
29. Remove Tooling (E) .
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22. Illustration 13 g01150999
Typical Example
30. Align Tooling (Q) in the notch on stopper plate (36) . Secure Tooling (Q) to stopper plate
(36) and fasten a suitable vacuum to Tooling (Q) .
Illustration 14 g01151000
Typical Example
31. Use a suitable drill and Tooling (Q) in order to drill a hole to the depth of 15 mm (0.6 inch)
in stopper plate (36) and housing (37) .
32. Remove Tooling (Q) .
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23. Illustration 15 g01151054
33. Install dowel (36C) .
Illustration 16 g01150936
34. Apply Tooling (R) to bolt (36A) . Install plate (36B) and bolt (36A) into stopper plate (36) .
35. Repeat Steps 30 through 34 for the other side of stopper plate (36) .
Illustration 17 g00893694
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24. Thank you very much for
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25. 36. Install O-ring seal (35) .
Illustration 18 g00893683
37. Use two people to install gear (34) . The weight of gear (34) is approximately 41 kg (90 lb).
Illustration 19 g00894968
38. Assemble carrier assembly (28) , as follows.
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26. Illustration 20 g00893674
a. Install bearings (32) in planetary gear (33) .
b. Install thrust washers (31) and planetary gear (33) in the carrier assembly.
c. Use a deburring tool in order to remove the metal burr from the openings in the
carrier. Install planetary shaft (29) in the carrier assembly.
d. Drive spring pin (30) into planetary shaft (29) .
Illustration 21 g00941047
The stake mark is at position (S) .
e. Orient the split in spring pin (30) vertically to the carrier. Align the split in the spring
pin to the top or to the bottom. Make a stake mark on each side of the spring pin hole
in the carrier. Each stake mark should be approximately 1.5 mm (0.06 inch) from the
outside diameter of the spring pin hole.
39. Repeat Steps 38.a through 38.e in order to install the remaining two planetary gears in the
carrier assembly.
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27. Illustration 22 g00897431
40. Use two people to install carrier assembly (28) . The weight of carrier assembly (28) is
approximately 38 kg (85 lb).
41. Install spacer (27) .
Illustration 23 g00897548
42. Assemble planetary carrier (19) , as follows.
Illustration 24 g00896863
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