936 WHEEL LOADER
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Product: WHEEL LOADER Model: 936 WHEEL LOADER 4SB Configuration: 936 WHEEL LOADER 4SB00001-01623 (MACHINE) POWERED BY 3304 ENGINE
Disassembly and Assembly 26SI Series Alternator Media Number -RENR1252-01
Publication Date -01/10/1999
Date Updated -09/10/2001
i01167078
Alternator - Assemble SMCS - 1405-016
Assembly Procedure 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: Do not strike the diodes. The shock of such an impact can damage the diodes. Use proper tools in order to press the diodes in the mountings.
Illustration 1
1. Install 3 diodes (11) in heat sink (12) .
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Illustration 2
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Note: Do not strike the bushing. Shocks from striking the housing can cause damage. 2. Press bushing (43) in housing (14) . 3. Install 3 diodes (13) in housing (14) .
Illustration 3
4. Press collar (42) on rotor (39) . 5. Slide retainer (41) on rotor (39) . 6. Press bearing (40) on rotor (39) .
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Illustration 4
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7. Press housing (31) on rotor (39) and bearing (40) . 8. Install 4 screws (38) in housing (31) .
Illustration 5
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Note: Do not strike the bearing. Shocks from striking the housing can cause damage. 9. Install the inner race. Press bearing (37) into the housing.
Illustration 6
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10. Press cap (36) in housing (14) .
Illustration 7
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11. Install the coil and support (34) in housing (14). Guide the field leads and the grommet through the hole as the coil is installed in housing (14). Install 3 screws (33) .
Illustration 8
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12. Press the stator (32) and housing (14) together. Guide the stator leads and the grommet through the hole as the stator is installed in housing (14) .
Illustration 9
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Note: Do not damage exposed stator windings or field windings. Bumping the windings or scraping the windings may break the insulation. Broken insulation may create a short circuit or a ground. 13. Join housing (31) and housing (14). Install 4 bolts (30) .
Illustration 10
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Note: Many of the alternator's internal components are covered with dielectric grease. If the grease is removed, reapply the grease.
Illustration 11
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14. Install Insulator (29). Install the heat sink and diode assembly (12) in housing (14) .
Illustration 12
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15. Install separator (28) . 16. Install alternator output terminal (27). Install insulator (26). Install the nut and washer (25) . 17. Install diode trio (24) and install screw (23) .
Illustration 13
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18. Install the 3 screws and insulators (18). Connect wire (19) . 19. If the "R" terminal is used, install the following components: nut (20), lead (21), the washer and terminal (21) .
Illustration 14
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20. Install the screw and insulator (16). Connect capacitor lead (17) .
Illustration 15
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Note: The 3 output diodes (11) are located in heat sink (12). These diodes are identical in polarity. Diode (11) has red insulation on the wire. The 3 ground diodes (13) are located in housing (14). These diodes are identical in polarity. Diode (13) has black insulation on the wire. 21. Connect 6 diode leads. Connect 3 phase leads. Connect 3 stator phase leads. Install 3 nuts (15). Table 1
Alternator Ground
Current Flow of the Output Diodes
Current Flow of the Ground Diodes
Lead to the Heat Sink
Housing to the Lead
Red Wire
Black Wire
Negative
Illustration 16
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22. Install mounting plate (10).
Illustration 17
23. Install regulator (9) . 24. Install grounded mounting screw (8) .
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Illustration 18
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25. Install 2 insulated screws (6). Connect the 3 leads. Note: The regulator and the mounting plate are coated with dielectric grease. If the grease is removed, reapply the grease. 26. Install nut (7) and connect the wire.
Illustration 19
27. Install gasket (5) .
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Illustration 20
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28. Position cover (4). Install 7 screws (3) .
Illustration 21
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29. Position plate (2). Install 4 screws (1) . 30. Install the fan, the pulley, the washer, and the pulley nut. Copyright 1993 - 2023 Caterpillar Inc. All Rights Reserved. Private Network For SIS Licensees.
Fri Nov 3 13:30:32 UTC+0530 2023
Product: WHEEL LOADER Model: 936 WHEEL LOADER 4SB Configuration: 936 WHEEL LOADER 4SB00001-01623 (MACHINE) POWERED BY 3304 ENGINE
Disassembly and Assembly 26SI Series Alternator Media Number -RENR1252-01
Publication Date -01/10/1999
Date Updated -09/10/2001
i01167081
Alternator - Disassemble SMCS - 1405-015
Disassembly Procedure Table 1 Required Tools Tool
Part Number
A
6V-7070
B
Part Description
Qty
Digital Multimeter
1
Variable Power Supply
1
Start By: A. Remove the alternator. Refer to Disassembly and Assembly, "Alternator - Remove" for the machine that is being serviced. 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. 1. Remove the pulley nut, the washer, the pulley, and the fan.
Illustration 1
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2. Remove 4 screws (1). Remove plate (2) .
Illustration 2
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3. Remove 7 screws (3). Remove cover (4) .
Illustration 3
4. Remove gasket (5) .
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Illustration 4
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5. Remove 2 insulated screws (6). Remove the 3 leads. Note: The regulator and the mounting plate are coated with dielectric grease. If the grease is removed, reapply the grease. 6. Remove nut (7) .
Illustration 5
7. Remove grounded mounting screw (8) . 8. Remove regulator (9) .
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Illustration 6
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9. Remove mounting plate (10). The mounting plate may be stuck to the regulator.
Illustration 7
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Note: The 3 output diodes (11) are located in heat sink (12). These diodes are identical in polarity. Diode (11) has red insulation on the wire. The 3 ground diodes (13) are located in housing (14). These diodes are identical in polarity. Diode (13) has black insulation on the wire. 10. Remove 3 nuts (15). Disconnect 3 stator phase leads. Disconnect 3 phase leads. Disconnect 6 diode leads. Table 2 Alternator Ground
Current Flow of the Output Diodes
Current Flow of the Ground Diodes
Lead to the Heat Sink
Housing to the Lead
Red Wire
Black Wire
Negative
Illustration 8
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11. Remove the screw and insulator (16). Disconnect capacitor lead (17) .
Illustration 9
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12. Remove the 3 screws and insulators (18). Disconnect wire (19) . 13. If the "R" terminal is used, remove the following components: nut (20), lead (21), the washer and terminal (21) .
Illustration 10
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14. Remove screw (23) and remove diode trio (24) . 15. Remove the nut and washer (25). Remove insulator (26). Remove alternator output terminal (27) . 16. Remove separator (28) .
Illustration 11
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Note: Many of the alternator's internal components are covered with dielectric grease. If the grease is removed, reapply the grease.
Illustration 12
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17. Remove the heat sink and diode assembly (12) from housing (14). Insulator (29) may be stuck to heat sink (12) .
Illustration 13
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Note: Do not damage exposed stator windings or field windings. Bumping the windings or scraping the windings may break the insulation. Broken insulation may create a short circuit or a ground. 18. Remove 4 bolts (30). Carefully separate housing (31) from housing (14) .
Illustration 14
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19. Pull apart stator (32) and housing (14). Guide the stator leads and the grommet through the hole as the stator is removed from housing (14) .
Illustration 15
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20. Remove 3 screws (33). Remove the coil and support (34) from housing (14). Guide the field leads and the grommet through the hole as the coil is removed from housing (14) .
Illustration 16
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21. Position a small screwdriver in slot (35). Pry cap (36) from housing (14) .
Illustration 17
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Note: Do not strike the bearing. Shocks from striking the housing can cause damage. 22. Wipe the excess grease from the bearing well. Press bearing (37) into the housing. Remove the inner race.
Illustration 18
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23. Remove 4 screws (38) from housing (31) . 24. Lift rotor (39) and bearing (40) from housing (31) .
Illustration 19
25. Pull bearing (40) from rotor (39) . 26. Pull retainer (41) from rotor (39) . 27. Pull collar (42) from rotor (39) .
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Illustration 20
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Note: Do not strike the bushing. Shocks from striking the housing can cause damage. 28. Press bushing (43) from housing (14) . Note: Do not strike the diodes. The shock of such an impact can damage the diodes. Use proper tools in order to press or pull the diodes from the mountings. As much as 890 N (200 lb) of force may be needed to remove a diode. 29. Remove 3 diodes (13) from housing (14) .
Illustration 21
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30. Remove diode (11) from heat sink (12) . Copyright 1993 - 2023 Caterpillar Inc. All Rights Reserved. Private Network For SIS Licensees.
Fri Nov 3 13:30:01 UTC+0530 2023
Product: WHEEL LOADER Model: 936 WHEEL LOADER 4SB Configuration: 936 WHEEL LOADER 4SB00001-01623 (MACHINE) POWERED BY 3304 ENGINE
Disassembly and Assembly AIR DRYER Media Number -SENR2065-01
Publication Date -19/07/1995
Date Updated -10/03/2020
SENR20650003
Disassemble And Assemble Air Dryer SMCS - 3263-015; 3263-016 Start By: a. remove the air dryer 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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