Caterpillar Cat 422F Backhoe Loader (Prefix LRH) Service Repair Manual (LRH00001 and up)

Service Repair Manual

Models

422F Backhoe Loader

422F Backhoe Loader LRH00001-UP (MACHINE) POWERED BY C4.4 Engine(SE...

Illustration 1

g00728888

1. Install transmission (1) onto Tooling (A) .

Illustration 2

g00728895

2. Remove implement pump drive shaft (2) from transmission (1) .

Illustration 3

g01380069

https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...

2019/12/1

3/22

422F Backhoe Loader LRH00001-UP (MACHINE) POWERED BY C4.4 Engine(SE...

Illustration 4

g01380070

3. Remove cover (3). Remove O-ring seal (3A) and spacer (3B). Remove screen (3C) .

Illustration 5

g01380772

4. Remove plug (4). Drain the transmission oil into a suitable container. Refer to Operation and Maintenance Manual, "Transmission Oil - Change".

Illustration 6

g01379269

https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...

2019/12/1

4/22

422F Backhoe Loader LRH00001-UP (MACHINE) POWERED BY C4.4 Engine(SE...

5. Remove bolts (5) from gear shift (6) .

Illustration 7

g01380773

6. Remove bolt (9), washer (8), and yoke (7) .

Illustration 8

g01380778

7. Attach Tooling (B) to case (10). Attach a suitable lifting device to Tooling (B). Remove bolts (11). Remove case (10) from the transmission. The weight of case (10) is approximately 42 kg (94 lb).

Direct Drive, Front Output Shaft

https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...

2019/12/1

5/22

422F Backhoe Loader LRH00001-UP (MACHINE) POWERED BY C4.4 Engine(SE...

Illustration 9

g01378615

1. Remove O-ring seals (12) .

Illustration 10

g01380786

2. Remove front output shaft (13) .

Illustration 11

g01378617

3. Use Tooling (C) to remove bearing cone (14) .

https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...

2019/12/1

6/22

422F Backhoe Loader LRH00001-UP (MACHINE) POWERED BY C4.4 Engine(SE...

Illustration 12

g01380794

4. Use Tooling (E) to remove bearing cone (15) and gear (16) .

Illustration 13

g01380797

5. Remove roller bearings (17) and (19), spacer (18), needle bearing (20), and thrust washer (21) .

https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...

2019/12/1

7/22

422F Backhoe Loader LRH00001-UP (MACHINE) POWERED BY C4.4 Engine(SE...

Illustration 14

g01380592

6. Remove the retaining ring, retaining ring (23), and clutch pack (24). Remove sealing ring (22) .

Illustration 15

g01378622

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.

7. Use a suitable press and Tooling (D) to compress spring (25). Use Tooling (G) to remove snap ring (26) .

https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...

2019/12/1

8/22

422F Backhoe Loader LRH00001-UP (MACHINE) POWERED BY C4.4 Engine(SE...

Illustration 16

g01380809

8. Remove retainer (28) and spring (27) from piston (30) .

Illustration 17

g01380820

9. Release piston (30) by applying 207 kPa (30 psi) of air pressure into the lube passage, as shown.

Illustration 18

g01380949

10. Use a seal pick to remove the seals from piston (30) .

Direct Drive, Rear Output Shaft

https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...

2019/12/1

9/22

422F Backhoe Loader LRH00001-UP (MACHINE) POWERED BY C4.4 Engine(S...

Illustration 19

g01380950

1. Remove screws (32) from each of the gearshift rods (31) .

Illustration 20

g01380952

2. Remove plug (33) .

Illustration 21

g01380953

https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...

2019/12/1

10/22

422F Backhoe Loader LRH00001-UP (MACHINE) POWERED BY C4.4 Engine(S...

11/22

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 (33), O-ring seal (35), springs (36) and (38), and balls (37). Remove gearshift rods (31) from shift forks (34) .

Illustration 22

g01378653

4. Use Tooling (E) to remove bearing cone (39), gear (40), and gear (41) .

Illustration 23

g01380980

https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...

2019/12/1

422F Backhoe Loader LRH00001-UP (MACHINE) POWERED BY C4.4 Engine(S...

12/22

5. Remove bearings (42), spacer (43), and synchronizer (44) .

Illustration 24

g01378660

Illustration 25

g01378663

6. Remove bearing cone (45). Use Tooling (G) to remove retaining ring (46). Remove gear (47) .

https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...

2019/12/1

422F Backhoe Loader LRH00001-UP (MACHINE) POWERED BY C4.4 Engine(S...

Illustration 26

g01378670

7. Remove spacers (48). Remove bearings (49). Remove synchronizer (50) .

Illustration 27

g01381002

8. Use Tooling (G) to remove retaining ring (51). Remove gear (52) and housing (53) .

Illustration 28

g01381005

9. Use Tooling (E) to remove gear (54) .

Direct Drive Shaft

https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...

2019/12/1

13/22

Thank you very much for your reading. Please Click Here. Then Get COMPLETE MANUAL. NO WAITING

NOTE: If there is no response to click on the link above, please download the PDF document first and then click on it.

422F Backhoe Loader LRH00001-UP (MACHINE) POWERED BY C4.4 Engine(S...

Illustration 29

g01378673

1. Remove direct drive shaft (55) .

Illustration 30

g01378679

2. Use Tooling (F) and a suitable press to remove gear (57) and bearing cone (56) .

Illustration 31

g01378684

3. Use Tooling (F) and a suitable press to remove bearing cone (58) .

https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...

2019/12/1

14/22

422F Backhoe Loader LRH00001-UP (MACHINE) POWERED BY C4.4 Engine(S...

Direct Drive, Reverse Shaft

Illustration 32

g01378692

1. Remove reverse shaft (59) .

Illustration 33

g01378698

https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...

2019/12/1

15/22

422F Backhoe Loader LRH00001-UP (MACHINE) POWERED BY C4.4 Engine(S...

Illustration 34

g01378701

2. Use Tooling (F) and a suitable press to remove bearing cones (60) and (61) .

Direct Drive, Input Shaft

Illustration 35

g01378707

1. Remove input shaft (62). Remove sealing rings (63) .

Illustration 36

g01378719

2. Use Tooling (C) to remove bearing (64) .

https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...

2019/12/1

16/22

422F Backhoe Loader LRH00001-UP (MACHINE) POWERED BY C4.4 Engine(S...

Illustration 37

g01378721

Illustration 38

g01378739

3. Use Tooling (G) to remove retaining ring (65).

4. Remove washers (66) and (70), thrust bearing (67), gear (68), and needle bearing (69) .

Illustration 39

g01378746

5. Remove retaining ring (71) and clutch pack (72) .

https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...

2019/12/1

17/22

422F Backhoe Loader LRH00001-UP (MACHINE) POWERED BY C4.4 Engine(S...

Illustration 40

18/22

g01378752

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 to compress spring (74). Use Tooling (G) to remove retaining ring (73). Remove the retainer and spring (74) .

Illustration 41

g01378757

7. Release piston (76) by applying 207 kPa (30 psi) of air pressure into the lube passage, as shown. Remove sealing rings (75) .

https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...

2019/12/1