Service Repair Manual
Models
422F Backhoe Loader
422F Backhoe Loader LRH00001-UP (MACHINE) POWERED BY C4.4 Engine(SE...
Illustration 1
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1. Install transmission (1) onto Tooling (A) .
Illustration 2
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2. Remove implement pump drive shaft (2) from transmission (1) .
Illustration 3
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422F Backhoe Loader LRH00001-UP (MACHINE) POWERED BY C4.4 Engine(SE...
Illustration 4
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3. Remove cover (3). Remove O-ring seal (3A) and spacer (3B). Remove screen (3C) .
Illustration 5
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4. Remove plug (4). Drain the transmission oil into a suitable container. Refer to Operation and Maintenance Manual, "Transmission Oil - Change".
Illustration 6
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422F Backhoe Loader LRH00001-UP (MACHINE) POWERED BY C4.4 Engine(SE...
5. Remove bolts (5) from gear shift (6) .
Illustration 7
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6. Remove bolt (9), washer (8), and yoke (7) .
Illustration 8
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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
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422F Backhoe Loader LRH00001-UP (MACHINE) POWERED BY C4.4 Engine(SE...
Illustration 9
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1. Remove O-ring seals (12) .
Illustration 10
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2. Remove front output shaft (13) .
Illustration 11
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3. Use Tooling (C) to remove bearing cone (14) .
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422F Backhoe Loader LRH00001-UP (MACHINE) POWERED BY C4.4 Engine(SE...
Illustration 12
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4. Use Tooling (E) to remove bearing cone (15) and gear (16) .
Illustration 13
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5. Remove roller bearings (17) and (19), spacer (18), needle bearing (20), and thrust washer (21) .
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422F Backhoe Loader LRH00001-UP (MACHINE) POWERED BY C4.4 Engine(SE...
Illustration 14
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6. Remove the retaining ring, retaining ring (23), and clutch pack (24). Remove sealing ring (22) .
Illustration 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.
7. Use a suitable press and Tooling (D) to compress spring (25). Use Tooling (G) to remove snap ring (26) .
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422F Backhoe Loader LRH00001-UP (MACHINE) POWERED BY C4.4 Engine(SE...
Illustration 16
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8. Remove retainer (28) and spring (27) from piston (30) .
Illustration 17
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9. Release piston (30) by applying 207 kPa (30 psi) of air pressure into the lube passage, as shown.
Illustration 18
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10. Use a seal pick to remove the seals from piston (30) .
Direct Drive, Rear Output Shaft
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422F Backhoe Loader LRH00001-UP (MACHINE) POWERED BY C4.4 Engine(S...
Illustration 19
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1. Remove screws (32) from each of the gearshift rods (31) .
Illustration 20
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2. Remove plug (33) .
Illustration 21
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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 (33), O-ring seal (35), springs (36) and (38), and balls (37). Remove gearshift rods (31) from shift forks (34) .
Illustration 22
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4. Use Tooling (E) to remove bearing cone (39), gear (40), and gear (41) .
Illustration 23
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5. Remove bearings (42), spacer (43), and synchronizer (44) .
Illustration 24
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Illustration 25
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6. Remove bearing cone (45). Use Tooling (G) to remove retaining ring (46). Remove gear (47) .
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422F Backhoe Loader LRH00001-UP (MACHINE) POWERED BY C4.4 Engine(S...
Illustration 26
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7. Remove spacers (48). Remove bearings (49). Remove synchronizer (50) .
Illustration 27
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8. Use Tooling (G) to remove retaining ring (51). Remove gear (52) and housing (53) .
Illustration 28
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9. Use Tooling (E) to remove gear (54) .
Direct Drive Shaft
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422F Backhoe Loader LRH00001-UP (MACHINE) POWERED BY C4.4 Engine(S...
Illustration 29
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1. Remove direct drive shaft (55) .
Illustration 30
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2. Use Tooling (F) and a suitable press to remove gear (57) and bearing cone (56) .
Illustration 31
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3. Use Tooling (F) and a suitable press to remove bearing cone (58) .
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422F Backhoe Loader LRH00001-UP (MACHINE) POWERED BY C4.4 Engine(S...
Direct Drive, Reverse Shaft
Illustration 32
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1. Remove reverse shaft (59) .
Illustration 33
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422F Backhoe Loader LRH00001-UP (MACHINE) POWERED BY C4.4 Engine(S...
Illustration 34
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2. Use Tooling (F) and a suitable press to remove bearing cones (60) and (61) .
Direct Drive, Input Shaft
Illustration 35
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1. Remove input shaft (62). Remove sealing rings (63) .
Illustration 36
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2. Use Tooling (C) to remove bearing (64) .
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422F Backhoe Loader LRH00001-UP (MACHINE) POWERED BY C4.4 Engine(S...
Illustration 37
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Illustration 38
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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
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5. Remove retaining ring (71) and clutch pack (72) .
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422F Backhoe Loader LRH00001-UP (MACHINE) POWERED BY C4.4 Engine(S...
Illustration 40
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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 to compress spring (74). Use Tooling (G) to remove retaining ring (73). Remove the retainer and spring (74) .
Illustration 41
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7. Release piston (76) by applying 207 kPa (30 psi) of air pressure into the lube passage, as shown. Remove sealing rings (75) .
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2019/12/1