Service Repair Manual
Models
424D Backhoe Loader
424D Backhoe Loader BKR00001-00528 (MACHINE) POWERED BY 3054 Engine(...
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Shutdown SIS Previous Screen Product: BACKHOE LOADER Model: 424D BACKHOE LOADER BKR Configuration: 424D Backhoe Loader BKR00001-00528 (MACHINE) POWERED BY 3054 Engine
Disassembly and Assembly 416D, 420D, 424D, 428D, 430D, 432D, 438D and 442D Backhoe Loaders Power Train Media Number -RENR3578-12
Publication Date -01/04/2010
Date Updated -13/04/2010
i01381641
Transmission (Direct Drive) - Assemble SMCS - 3030-016-DD; 3066-016
Assembly Procedure Table 1 Required Tools Tool
Part Number
Part Description
Qty
A
137-8102
Spring Compressor
1
B
1P-1859
Snap Ring Pliers
1
C
4C-3652
Spring Compressor
1
D
6V-2157
Link Bracket
1
E
8T-5096
Indicator
1
F
1U-5750
Engine Stand
1
Note: The transmission will be assembled in major components. The major components will then be assembled. 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. Note: Apply a light film of clean transmission oil to all components before assembly.
Transmission case
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424D Backhoe Loader BKR00001-00528 (MACHINE) POWERED BY 3054 Engine(...
Illustration 1
g00729262
Note: Install the shims behind each bearing cup that was recorded on the disassembly procedure. 1. Install bearing cups (60), (61), (62), (63), and (64) .
(Direct Drive) Input Shaft
Illustration 2
g00731364
1. Install the needle thrust bearings on the shafts. The open end of cups (1) must point away from the bearings or gears that are contacted.
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424D Backhoe Loader BKR00001-00528 (MACHINE) POWERED BY 3054 Engine(...
Illustration 3
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g00729745
2. Install the seals on piston (56) .
Illustration 4
g00729752
3. Install piston (56). Install the retainer and spring (55). Use tooling (A) and a suitable press in order to compress spring (55). Use tooling (B) in order to install snap ring (54) .
Illustration 5
g00729210
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424D Backhoe Loader BKR00001-00528 (MACHINE) POWERED BY 3054 Engine(...
4. Install clutch pack (53) and retainer (52) . 5. Repeat Steps 2 through 4 for the opposite end of the input shaft.
Illustration 6
g00729208
6. Install gear (51), needle bearing (50), and spacer (49). Use tooling (B) in order to install snap ring (48) .
Illustration 7
g00729771
7. Heat bearing cone (57) to 135 °C (275 °F). Install bearing cone (57) . 8. Install the input shaft.
(Direct Drive) Reverse Shaft
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424D Backhoe Loader BKR00001-00528 (MACHINE) POWERED BY 3054 Engine(...
Illustration 8
g00729785
1. Heat bearing cones (45) and (46) to 135 째C (275 째F). Install bearing cones (45) and (46) . 2. Install the reverse shaft.
(Direct Drive) Shaft
Illustration 9
g00729792
1. Heat bearing cones (45) and (46) to 135 째C (275 째F). Install bearing cones (45) and (46) . 2. Install the shaft.
(Direct Drive) Output Shaft (Rear)
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424D Backhoe Loader BKR00001-00528 (MACHINE) POWERED BY 3054 Engine(...
Illustration 10
g00729806
1. Install gear (42) .
Illustration 11
g00729200
2. Install housing (41) and gear (40). Use tooling (B) in order to install snap ring (39) .
Illustration 12
g00729810
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424D Backhoe Loader BKR00001-00528 (MACHINE) POWERED BY 3054 Engine(...
3. Install synchronizer (38). Install gear (37). Heat bearing cone (36) to 135 째C (275 째F). Install bearing cone (36) .
Illustration 13
g00729198
4. Install synchronizer (35), spacer (34), and bearings (33) .
Illustration 14
g00729812
5. Install gear (31) and (32). Heat bearing cone (30) to 135 째C (275 째F). Install bearing cone (30) . 6. Install the output shaft (rear) in the transmission.
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424D Backhoe Loader BKR00001-00528 (MACHINE) POWERED BY 3054 Engine(...
Illustration 15
g00729196
Illustration 16
g00729064
7. Install two gearshift rods (23) on shift forks (29). Install the gearshift rods in the transmission. Install three balls (28), two springs (27), and O-ring (26). Install plug (25) .
Illustration 17
g00729062
8. Install screws (24) on each of the gearshift rods (23) .
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424D Backhoe Loader BKR00001-00528 (MACHINE) POWERED BY 3054 Engine(...
(Direct Drive) Output Shaft (Front)
Illustration 18
g00729861
1. Install seals on piston (22) .
Illustration 19
g00729879
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424D Backhoe Loader BKR00001-00528 (MACHINE) POWERED BY 3054 Engin...
Illustration 20
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g00730110
2. Install piston (22), spring (19), and retainer (21) . 3. Use tooling (C) and a suitable press in order to compress spring (19). Use tooling (B) in order to install snap ring (20) .
Illustration 21
g00728948
4. Install clutch pack (18) and retainer (17) .
Illustration 22
g00728945
5. Install thrust washer (16), needle bearing (15), spacer (14), and two roller bearings (13) .
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424D Backhoe Loader BKR00001-00528 (MACHINE) POWERED BY 3054 Engin...
Illustration 23
g00729892
6. Heat bearing cone (11) to 135 째C (275 째F). Install bearing cone (11) .
Illustration 24
g00729903
7. Heat bearing cone (10) to 135 째C (275 째F). Install bearing cone (10) .
Illustration 25
g00728940
8. Install front output shaft (9) .
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Final Assembly
Illustration 26
g00730114
Note: Clean the mating surfaces of case (7). Apply a continuous bead of 1U-8846 Sealant to the mating surface of the case. 1. Attach tooling (D) to case (7). Attach a suitable lifting device to tooling (D). Use fourteen bolts (8) in order to install case (7). The weight of case (7) is 42 kg (94 lb).
Illustration 27
g00730079
2. Install a bolt in the output shaft. The output shaft must be fully seated. Install tooling (E), as shown. Zero tooling (E). Pry up on the bolt and record the reading on tooling (E). The reading must be 0.03 mm (0.0012 inch) to 0.08 mm (0.0031 inch). Add or remove shims in Step 1 in the Case Assembly Procedure in order to obtain the correct reading.
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424D Backhoe Loader BKR00001-00528 (MACHINE) POWERED BY 3054 Engin...
Illustration 28
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g00730086
3. Repeat Step 1 for the input shaft and the output shaft (front). Use the same tolerance for all of the shafts. Remove the expansion plug in order to check the input shaft. Use a screwdriver to pry up on the input shaft. Install a new 1H-9721 Expansion Plug .
Illustration 29
g00728906
4. Install yoke (4), washer (5), and bolt (6) .
Illustration 30
g00728902
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5. Install plug (3) .
Illustration 31
g00728895
6. Install Implement pump drive shaft (2) in transmission (1) .
Illustration 32
g00730116
7. Remove transmission (1) from tooling (F) . End By: Install the transmission. Refer to Disassembly and Assembly, "Transmission (Direct Drive) - Install". Copyright 1993 - 2019 Caterpillar Inc.
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424D Backhoe Loader BKR00001-00528 (MACHINE) POWERED BY 3054 Engine(...
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Shutdown SIS Previous Screen Product: BACKHOE LOADER Model: 424D BACKHOE LOADER BKR Configuration: 424D Backhoe Loader BKR00001-00528 (MACHINE) POWERED BY 3054 Engine
Disassembly and Assembly 416D, 420D, 424D, 428D, 430D, 432D, 438D and 442D Backhoe Loaders Power Train Media Number -RENR3578-12
Publication Date -01/04/2010
Date Updated -13/04/2010
i01459029
Transmission (Direct Drive) - Install SMCS - 3030-012-DD
Installation Procedure Table 1 Required Tools Tool
Part Number
Part Description
Qty
8S-7640
Stand
2
8S-7611
Tube
2
8S-7615
Pin
2
B
1U-9760
Jack Stand
2
C
1U-7505
Transmisson Jack
1
D
1U-7558
Mounting Brackets
2
E
FT-2535
Engine Support Bar Assembly
1
A
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424D Backhoe Loader BKR00001-00528 (MACHINE) POWERED BY 3054 Engine(...
Illustration 1
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g00762601
1. Attach tooling (D) to tooling (C) and transmission (10) in order to maintain a good balance.
Illustration 2
g00762359
2. Use tooling (C) in order to position transmission (10). The weight of transmission (10) is 185 kg (408 lb).
Illustration 3
g00762479
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424D Backhoe Loader BKR00001-00528 (MACHINE) POWERED BY 3054 Engine(...
3. Install fourteen bolts (11) .
Illustration 4
g00762562
4. Slide rod assembly (9) on the transmission lever and tighten bolt (8) .
Illustration 5
g00762561
5. Connect three electrical connectors (7) .
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424D Backhoe Loader BKR00001-00528 (MACHINE) POWERED BY 3054 Engine(...
Illustration 6
g00762358
6. Install four bolts (5) . 7. Repeat Step 6 for the opposite side. 8. Install two bolts (6) .
Illustration 7
g00762357
9. Install plug (4) .
Illustration 8
g00762355
10. Remove tooling (E). Install inspection plate (3) .
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