950B 950E Caterpillar Wheel Loader Service Manual by quality service repair manual

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Product: WHEEL LOADER

Model: 950B/950E WHEEL LOADER 22Z

Configuration: 950E WHEEL LOADER 22Z03189-UP (MACHINE) POWERED BY 3304 ENGINE

Disassembly and Assembly AIR DRYER

Media Number -SENR2065-01

Publication Date -19/07/1995

Disassemble And Assemble Air Dryer

SMCS - 1405-016

Start By:

a. remove the air dryer

Date Updated -10/03/2020

SENR20650003

1. Make sure that the outside of the air dryer is thoroughly clean prior to disassembly.

2. Put an alignment mark across the cap (2) and the housing (3) for assembly purposes.

3. Remove the two nuts (1) and the washer. Remove the cap (2) from the housing (3).

4. Remove the seal washer (4) from the shaft (5). Remove the O-ring seal (6).

5. Remove the shaft (5), the seal washer (11) and the plate (10) from the air dryer. Remove the Oring seals (8) and (9) from the plate (10).

6. Remove the spring (7).

7. Remove the cartridge (12) from the housing (3). Remove the O-ring seal (13) from the cartridge (12).

8. Remove the retaining ring (14) from the cartridge (12).

9. Turn the cartridge (12) over and let the desiccant (15) fall into a suitable container for proper disposal.

10. Remove the screen (17) and the filter (18) from the center post (16). Remove the center post (16) from the cartridge (12).

11. Remove the filter (21), the screen (20) and the wire mesh (19) from the center post (16).

12. Remove the valve body (22) from the housing (3).

13. Remove the shaft (23) from the valve body (22).

14. Remove the valve assembly (25) and the springs (26) and (27). Remove the O-ring seal (24) from the valve body (22). Remove the O-ring seal (28) from the shaft (23).

15. Remove the seal (29), the O-ring seal (30) and the cup (31) from the valve assembly (25).

NOTE: The following steps are for the assembly of the air dryer.

16. Install new seals (29) and (30) and a new cup (31) on the valve assembly (25).

17. Install a new O-ring seal (24) on the valve body (22). Install the valve assembly (25) in the valve body (22).

18. Install a new O-ring seal (28) on the shaft (23). Install the springs (26) and (27) in the end of the shaft (23).

19. Install the shaft (23) in the valve body (22).

20. Install the valve body (22) in the housing (3).

21. Install the wire mesh (19), the screen (20) and the filter (21) on the center post (16).

22. Install the center post (16) in the cartridge (12). Make sure that the center post is fully seated in the cartridge before filling the cartridge with desiccant.

23. Fill the cartridge (12) with new desiccant (15). Tap the outside of the cartridge with a soft hammer to settle the desiccant.

24. Install the filter (18), the screen (17) and the retaining ring (14) in the cartridge (12).

25. Install a new O-ring seal (13) on the cartridge (12). Install the cartridge (12) in the housing (3)

NOTE: Inspect the O-ring seal (13) to ensure that it is properly seated between the cartridge (12) and the housing (3).

26. Install new O-rings (8) and (9) on the plate (10). Install the spring (7), the plate (10), a new seal washer (11) and the shaft (5) in the air dryer.

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27. Install a new seal washer (4) on the shaft (5). Install a new O-ring seal (6) on the housing.

28. Install the cap (2) on the housing (3). Line up the alignment marks on the cap and the housing made when disassembling the air dryer. Install the washer and the two nuts (1).

End By:

a. install the air dryer

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Product: WHEEL LOADER

Model: 950B/950E WHEEL LOADER 22Z

Configuration: 950E WHEEL LOADER 22Z03189-UP (MACHINE) POWERED BY 3304 ENGINE

Disassembly and Assembly

DELCO REMY 20-SI SERIES ALTERNATOR

Media Number -SENR4978-00

Alternator

SMCS - 1405-015; 1405-016

Publication Date -01/08/1991

Date Updated -11/10/2001

Alternator

(1) Pulley nut. (2) Fan. (3) Shield. (5) Drive frame. (6) Rear frame. (7) Rotor. (8) Bearing. (9) Screws - three. (10) Retainer. (11) Screw. (12) Screws - four. (13) Plate. (14) Nuts - three. (15) Screw. (17) R terminal. (18) Strap. (19) Screws - two. (20) Regulator. (21) Diode trio. (22) Screw. (23) Nut. (24) Strap. (26) Nut. (27) BAT terminal. (28) Strap. (29) Screw. (31) Capacitor. (32) Screw. (33) Rectifier. (35) Stator. (36) Screws - four. (37) Field coil. (38) Bearing. (39) Collar. (40) Collar.

Disassemble Alternator

NOTE: The disassembly and assembly procedures are of the 3T6352 alternator. Other 20-SI alternators are similar.

Start by:

a. remove alternator.

1. Remove pulley nut (1).

2. Remove pulley and fan (2).

3. Remove shield (3). Remove four bolts (4) and separate drive frame (5) from rear frame (6).

4. Attach puller as shown. Remove drive frame (5) from rotor (7). As drive frame (5) is separated from rotor (7), collars (40) and (39) are no longer secured. Remove collars (40) and (39).

5. Remove three screws (9) and retainer (10). Use a puller to remove bearing (8) from drive frame (5).

6. Remove screw (11) at the GND terminal. Remove four screws (12) and plate (13) from rear frame (6).

7. Remove three nuts (14) and disconnect the stator leads from rectifier (33).

8. Remove screw (15) at the battery terminal of rectifier (33).

9. Loosen nut (16). Remove R terminal (17) and strap (18) together.

10. Remove two screws (19) at the field oil terminals of regulator (20). Remove diode trio (21).

11. Remove screw (22) at the ground terminal of rectifier (33). Remove nut (23) at the ground terminal of regulator (20). Remove strap (24).

12. Remove insulator (25) and loosen nut (26). Remove BAT terminal (27) and strap (28) together.

13. Remove screw (29) and regulator (20).

14. Remove screw (30) and capacitor (31).

15. Remove screw (32) and rectifier (33).

16. Loosen grommet (34) and remove stator (35) from rear frame (6).

17. Remove four screws (36) and remove field coil (37) from rear frame (6).

18. If necessary, remove bearing (38) from rear frame (6).

Assemble Alternator

NOTICE

Do not push on inner race of bearing (8) during installation. Damage to bearing (8) can occur. Push against the outer bearing race.

1. Install bearing (8) in drive frame (5). Install retainer (10) with three screws (9).

2. Place collar (39) on shaft of rotor (7). Insert the shaft of rotor (7) through bearing (8) in drive frame (5).

3. Place collar (40) on shaft of rotor (7).

4. Install spacers and nut as shown. Fully seat the shaft of rotor (7) in bearing (8).

5. If removed, install bearing (38) in rear frame (6). Use the 1P510 Drive Group.

6. Place field coil (37) in rear frame (6). Install and tighten four screws (36).

7. Place stator (35) in rear frame (6). Position grommet (34) in indentation (41).

8. Place rectifier (33) in rear frame (6). Install and tighten screw (32).

9. Place capacitor (31) in rear frame (6). Install and tighten screw (30).

10. Place regulator (20) in rear frame (6). Install and tighten screw (29).

11. Place BAT terminal (27) and strap (28) in rear frame (6). Make sure insulators (42) are properly positioned.

12. Install insulator (25) through the lead of capacitor (31) and strap (28).

13. Install and tighten screw (15). Tighten nut (26).

14. Place diode trio (21) on rectifier (33) and regulator (20).

15. Place R terminal (17) and strap (18) in rear frame (6). Make sure insulators (43) are properly positioned. Tighten nut (16).

NOTE: For correct operation, there is NO continuity between screw (15) and strap (28); or between nut (26) and rear frame (6); or between R term (17) and rear frame (6).

16. Make sure the insulators are installed on screws (19). Place the field coil leads on screws (19). Install and tighten two screws (19).

17. Place strap (24) on rectifier (33) and regulator (20). Install and tighten screw (22) and nut (23).

NOTE: For correct operation, there is NO continuity between screws (19) and the respective field coil lead.

18. Place the stator leads on the terminals of rectifier (33). Install and tighten three nuts (14) on the terminals of rectifier (33).

19. Position plate (13) on rear frame (6). Install and tighten four screws (12). Install screw (11) at the GND terminal.

20. Join rear frame (6) and drive frame (5). Install four bolts (4) and tighten to 6.2 ± 0.6 N·m (55 ± 5 lb in).

21. Install shield (3).

22. Install the pulley and fan.

23. Install the pulley nut and tighten to 100 ± 7 N·m (75 ± 5 lb ft).

End by:

a. install alternator.

Product: WHEEL LOADER

Model: 950B/950E WHEEL LOADER 22Z

Configuration: 950E WHEEL LOADER 22Z03189-UP (MACHINE) POWERED BY 3304 ENGINE

Disassembly and Assembly

950B WHEEL LOADER POWER TRAIN

Media Number -SENR2258-01

Transfer Gears

Publication Date -01/05/1987

Date Updated -15/09/2004

SENR22580028

Disassemble Transfer Gears

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Assemble Transfer Gears

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