Caterpillar Cat 430E Backhoe Loader (Prefix MXB) Service Repair Manual (MXB00001 and up).pdf

Service Repair Manual
Models
430E Backhoe Loader

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Product: BACKHOE LOADER
Model: 430E BACKHOE LOADER MXB
Configuration: 430E Backhoe Loader Parallel Lift MXB00001-UP (MACHINE) POWERED BY C4.4 Engine
Disassembly and Assembly
416E, 420E and 430E Backhoe Loaders Power Train
Media Number -UENR0226-03 Publication Date -01/12/2014 Date Updated -05/12/2014
i03475941
Transmission (Direct Drive) - Disassemble
SMCS - 3030-015-DD
S/N - DAN1-UP
S/N - DJL1-UP
S/N - LMS1-UP
S/N - MXB1-UP
S/N - SWC1-UP
Disassembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 1U-5750 Engine Stand 1
B 6V-2157 Link Bracket 2
C
6V-3009 Crossbar 1
126-7181 Sliding Plate 4
6V-4832 Forcing Screw 1
8H-0663 Bearing Puller Gp 1
126-7177 Puller Leg 2
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430E Backhoe Loader Parallel Lift MXB00001-UP (MACHINE) POWERED BY C4....
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D 4C-3652 Spring Compressor 1
E 1U-6400 Three Jaw Puller 1
F 8B-7551 Bearing Puller Gp 1
G 1P-1859 Retaining Ring Pliers 1
H
-
Rod
M16 - 2.00 by 698.5 mm
1
8T-4132 Nuts 2
9X-8257 Washers 2
3H-0465 Push-Puller Plate 1
J
6V-3822 Bolts 2
8T-4121 Hard Washers 2
Start By:
a. Remove the transmission. Refer to Disassembly and Assembly, "Transmission (Direct
Drive) - Remove".
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, "Caterpillar Dealer Service
Tool Catalog" for tools and supplies suitable to collect and contain
fluids on Caterpillar products.
Dispose of all fluids according to local regulations and mandates.
Note: Cleanliness is an important factor. Before the disassembly procedure, the exterior of the
component should be thoroughly cleaned. This will help to prevent dirt from entering the internal
mechanism.
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Illustration 1 g00728888
1. Install transmission (1) on Tooling (A).
2. Remove implement pump drive shaft (2) from transmission (1).
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3. Remove cover (3). Remove O-ring seal (4) and remove spacer (5). Remove screen (6).
4. Remove plug (7). Drain the transmission oil into a suitable container. The capacity of the
transmission is 11.3 L (3 US gal).
5. Remove bolts (8) from gearshift assembly (9).
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6. Attach Tooling (H) and Tooling (J) to transmission (1).
7. Attach Tooling (B) to case (10). Attach a suitable lifting device to Tooling (B).
8. Remove bolts (11). Remove case (10) from the transmission. The weight of case (10) is
93 kg (205 lb).
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9. Remove O-ring seals (12).
Direct Drive, Rear Output Shaft
1. Remove bolt (14) and the washer. Remove yoke (13). Remove Tooling (H) and Tooling (J).
2. Remove screws (16) from each of the gearshift rods (15).
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Personal injury can result from being struck by parts propelled by a
released spring force.
Make sure to wear all necessary protective equipment.
Follow the recommended procedure and use all recommended tooling to
release the spring force.
3. Remove plug (18). Remove rear output shaft (17).
4. Remove plug (18), O-ring seal (19), springs (20) and (23), and balls (22). Remove gearshift
rods (15) from shift forks (21).
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5. Use Tooling (E) in order to remove bearing cone (25), gear (24), and gear (26).
6. Remove bearings (27), spacer (28), and synchronizer (29).
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7. Remove bearing cone (30). Use Tooling (G) in order to remove retaining ring (31). Remove
gear (32).
8. Remove spacers (34). Remove bearings (33). Remove synchronizer (35).
9. Use Tooling (G) in order to remove retaining ring (36). Remove gear (37) and housing (38).
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10. Use Tooling (E) in order to remove gear (39).
Direct Drive Shaft
1. Remove direct drive shaft (40).
2. Use Tooling (F) and a suitable press in order to remove gear (42) and bearing cone (41).
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430E Backhoe Loader Parallel Lift MXB00001-UP (MACHINE) POWERED BY C...
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3. Use Tooling (F) and a suitable press in order to remove bearing cone (43).
Direct Drive, Reverse Shaft
1. Remove reverse shaft (44).
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2. Use Tooling (F) and a suitable press in order to remove bearing cones (45) and (46).
Direct Drive, Input Shaft
1. Remove input shaft (47). Remove sealing rings (48).
2. Use Tooling (C) in order to remove bearing cone (49).
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3. Use Tooling (G) in order to remove retaining ring (50).
4. Remove washer (51), thrust bearing (52), gear (53), needle bearing (54) and washer (55).
5. Remove retaining ring (56) and clutch pack (57).
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Personal injury can result from being struck by parts propelled by a
released spring force.
Make sure to wear all necessary protective equipment.
Follow the recommended procedure and use all recommended tooling to
release the spring force.
6. Use Tooling (D) and a suitable press in order to compress spring (59). Use Tooling (G) in
order to remove retaining ring (58). Remove the retainer and spring (59).
7. Release piston (60) by blowing 207 kPa (30 psi) of air into the lube passage, as shown.
Remove sealing rings (61).
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8. Use a seal pick in order to remove the O-ring seal and the seal ring from piston (60).
9. Use Tooling (C) in order to remove the sealing ring and bearing cone (62). Remove gear
(63).
10. Repeat Steps 5 through Steps 9 for the remainder of the input shaft.
Transmission Case
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Caterpillar Cat 430E Backhoe Loader (Prefix MXB) Service Repair Manual (MXB00001 and up).pdf

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