Caterpillar Cat 340 Excavator (Prefix TYH) Service Repair Manual Instant Download.pdf

Product: EXCAVATOR
Model: 340 EXCAVATOR TYH
Configuration: 340 Excavator TYH00001-UP (MACHINE) POWERED BY C9.3B Engine
Disassembly and Assembly
336 Excavator Machine Systems
Media Number -M0087649-02 Publication Date -01/10/2018 Date Updated -22/10/2018
i07349665
Travel Motor - Assemble
SMCS - 4351-016
Assembly Procedure
Reference: Special Instruction, "Visual Service Procedures - Colors and Symbols" M0066576
Table 1
Required Tools
Tool Part Number Part Description Qty
A
1P-2420 Transmission Repair Stand 1
FT-0957 Positioning Gp 4
B
- M16x2 Threaded Rod 4
8T-1757 Nut 12
9X-8268 Washer 8
C 421-5662 Lifting Eye Assembly 1
D 421-5663 Lifting Eye Assembly 2
E
1U-9895 Crossblock 1
3H-0465 Push-Puller Plate 1
8T-0298 Bolt 2
F 8H-0663 Bearing Puller 1
G - M14 x 2 Guide Stud 2
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340 Excavator TYH00001-UP (MACHINE) POWERED BY C9.3B Engine(M009717...
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https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...

Illustration 1 g06293104
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Improper assembly of parts that are spring loaded can cause bodily
injury.
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To prevent possible injury, follow the established assembly procedure
and wear protective equipment.
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There are 3 plates that alternate between the 4 brake discs.
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Fill rotating group cavity with clean hydraulic oil.
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injury.
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injury.
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injury.
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injury.
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injury.
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injury.
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Install the O-ring seals and the elbows.
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End By:
a. Install the travel motor.
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Product: EXCAVATOR
i07396597
Final Drive - Remove and Install
SMCS - 4050-010
Removal Procedure
Reference: Special Instruction, "Visual Service Procedures - Colors and Symbols" M0066576
Start By:
a. Remove the sprocket.
b. Remove the travel motor.
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Note: Mark the orientation of the final drive for installation purposes.
Installation Procedure
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Table 1
Required Tools
A - Loctite C5A -
1. Install the final drive in the reverse order of removal.
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Product: EXCAVATOR
i03885522
Final Drive - Disassemble
SMCS - 4050-015
Disassembly Procedure
Table 1
Required Tools
A 138-7575 Link Brackets 3
B 154-6183 Forcing Bolts 3
C 138-7576 Link Brackets 3
Start By:
a. Remove the final drive and the travel motor.
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1. Attach Tooling (A) and a suitable lifting device to cover (2). The weight of cover (2) is
approximately 20 kg (45 lb). Remove bolts (1) and cover (2).
2. Remove plate (3) from cover (2).
3. Remove sun gear (4), spacer (5), and planetary gear assembly (6).
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4. Remove retaining ring (7), washer (8), planetary gear (9), roller bearing (11), and washer
(12) from carrier assembly (13).
5. Remove retaining ring (10) and sun gear (14) from carrier assembly (13).
6. Remove spacer (16).
7. Attach Tooling (A) and a suitable lifting device to planetary gear assembly (15). The weight
of planetary gear assembly (15) is approximately 32 kg (70 lb). Remove planetary gear
assembly (15).
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8. Drive spring pin (17) into planetary shaft (18) with a suitable hammer and a suitable punch.
9. Remove planetary shaft (18), washer (20), roller bearing (20), planetary gear (23), and
washer (24) from the carrier assembly (21).
10. Remove spring pin (17) from planetary shaft (18) with a suitable hammer and a suitable
punch.
11. Remove retaining ring (19) and sun gear (25) from carrier assembly (21).
12. Remove spacer (26).
13. Attach Tooling (A) and a suitable lifting device to ring gear (27). The weight of ring gear
(27) is approximately 70 kg (155 lb). Remove bolts (28) and ring gear (27).
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14. Remove O-ring seal (29).
15. Attach Tooling (A) and a suitable lifting device to planetary gear assembly (30). The weight
of planetary gear assembly (30) is approximately 57 kg (125 lb). Remove planetary gear
assembly (30).
16. Drive spring pin (31) into planetary shaft (32) with a suitable hammer and a suitable punch.
17. Remove planetary shaft (32), washer (33), roller bearings (35), planetary gear (36), and
washer (36) from the carrier assembly (34).
18. Remove spring pin (31) from planetary shaft (32) with a suitable hammer and a suitable
punch.
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Caterpillar Cat 340 Excavator (Prefix TYH) Service Repair Manual Instant Download.pdf

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Caterpillar Cat 340 Excavator (Prefix TYH) Service Repair Manual Instant Download.pdf