Product: MOTOR GRADER
Model: 140H NA MOTOR GRADER 9ZN
Configuration: 140H Motor Grader 9ZN00001-UP (MACHINE) POWERED BY 3306 Engine
Disassembly and Assembly
26SI Series Alternator
Media Number -RENR1252-01
Alternator - Assemble
SMCS - 1405-016
Assembly Procedure
-01/10/1999
-09/10/2001
i01167078
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
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
10. Press cap (36) in housing (14) .
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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.
11
14. Install Insulator (29). Install the heat sink and diode assembly (12) in housing (14) .
12
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
Negative
Current Flow of the Output Diodes
Lead to the Heat Sink
Current Flow of the Ground Diodes
Housing to the Lead Red Wire Black Wire
Illustration 16
22. Install mounting plate (10).
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Illustration 17
23. Install regulator (9) .
24. Install grounded mounting screw (8) .
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18
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.
19
27. Install gasket (5) .
20
28. Position cover (4). Install 7 screws (3) .
21
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.
Jun 3 22:31:00 UTC+0530 2023
Product: MOTOR GRADER
Model: 140H NA MOTOR GRADER 9ZN
Configuration: 140H Motor Grader 9ZN00001-UP (MACHINE) POWERED BY 3306 Engine
Disassembly and Assembly
26SI Series Alternator
Media Number -RENR1252-01
Alternator - Disassemble
SMCS - 1405-015
Disassembly Procedure
Table 1 Required Tools
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
2. Remove 4 screws (1). Remove plate (2) .
Illustration 2
3. Remove 7 screws (3). Remove cover (4) .
Illustration 3
4. Remove gasket (5) .
Illustration 4
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) .
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
Negative
Lead to the Heat Sink Housing to the Lead Red Wire Black Wire
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
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
23. Remove 4 screws (38) from housing (31) .
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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
30. Remove diode (11) from heat sink (12) .
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Copyright 1993 - 2023 Caterpillar Inc. All Rights Reserved. Private Network For SIS Licensees.
Sat Jun 3 22:30:36 UTC+0530 2023
Product: MOTOR GRADER
Model: 140H NA MOTOR GRADER 9ZN
Configuration: 140H Motor Grader 9ZN00001-UP (MACHINE) POWERED BY 3306 Engine
Disassembly and Assembly
Comfort Series Seat For Caterpillar Machines
Media Number -RENR2165-12
-31/10/2013
Air Suspension With Air Valve Knob Height AdjustmentAssemble
SMCS - 7324-016-AJ
Assembly Procedure
Illustration 1 g00891451
1. Install compressor assembly (25) to mount (26). Make sure that compressor assembly (25) is seated firmly in mount (26).
2
Install bolts (24) in order to attach compressor assembly (25) to scissor assembly (11).
3
Improper assembly of parts that are spring loaded can cause bodily injury.
To prevent possible injury, follow the established assembly procedure and wear protective equipment.
3. Install bolt (23) in order to attach spring assembly (18) to scissor assembly (11). Attach hose assembly (22) to spring assembly (18).
Illustration 4
4. Install shaft (20) in order to attach toggle assembly (21) to scissor assembly (11). Tighten the two nuts for shaft (20) to a torque of 15 ± 3 N·m (11 ± 2 lb ft).
Illustration 5
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5. Install shaft assemblies (19) in order to attach tether straps (11A) and scissor assembly (11) to housing assembly (14). Tighten the nuts on shaft assemblies (19) to a torque of 20 ± 5 N·m (15 ± 4 lb ft). Install blocking in order to prevent scissor assembly (11) from falling.
Illustration 6
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7
6. Install screw (17) in order to attach housing assembly (14) to spring assembly (18).
7. Install shaft (15) in order to attach toggle assembly (16) to scissor assembly (11). Tighten the two nuts for shaft (15) to a torque of 15 ± 3 N·m (11 ± 2 lb ft).
8 g00897454
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9
8. Install bearings (12B) to shock absorber (13).
9. Install bolts (12) in order to attach shock absorber (13) to scissor assembly (11) and housing assembly (14). Remove the blocking.
Note: Illustration 8 shows the location of lockwasher (12A), bearings (12B), washers (12C), nut (12D), and locknut (12E).
10. Repeat Steps 8 and 9 if the seat is equipped with a shock absorber on the opposite side.
Illustration 10
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11. Connect harness assemblies (9) and hose assembly (10) to air valve (8).
