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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
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
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Illustration
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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) .
Illustration
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Illustration
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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.
1993 - 2024 Caterpillar Inc. All Rights Reserved.
Network For SIS Licensees. Fri Nov 22 00:59:48 UTC+0530 2024
Illustration
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Illustration
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Product: ARTICULATED TRUCK
Model: D300B ARTICULATED TRUCK 4SD
Configuration: D300B ARTICULATED DUMP TRUCK 4SD00001-00573 (MACHINE) POWERED BY 3306 ENGINE
Disassembly and Assembly
26SI Series Alternator
Media Number -RENR1252-01 Publication Date -01/10/1999 Date Updated -09/10/2001
Alternator - Disassemble
SMCS - 1405-015
Disassembly Procedure
Table 1 Required Tools
i01167081
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) .
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g00627792
g00627794
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) .
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g00627804
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 - 2024 Caterpillar Inc. All Rights Reserved. Private Network For SIS Licensees. Fri Nov 22 00:59:30 UTC+0530 2024
Product: ARTICULATED TRUCK
Model: D300B ARTICULATED TRUCK 4SD
Configuration: D300B ARTICULATED DUMP TRUCK 4SD00001-00573 (MACHINE) POWERED BY 3306 ENGINE
Disassembly and Assembly
3304B & 3306B INDUSTRIAL & MARINE ENGINES
Media Number -SENR1189-00
Aftercooler
SMCS - 1063-011; 1063-012
Remove Aftercooler
Publication Date -23/08/1996
Date Updated -04/01/2018
SENR11890021
FLUID SPILLAGE CONTAINMENT
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the machine. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. Refer to "TOOLS AND SHOP PRODUCT GUIDE, NENG2500", for tools and supplies suitable to collect and contain fluids in Caterpillar machines. Dispose fluids according to local regulations and mandates.
1. Drain the coolant from the engine into a suitable container for storage or disposal.
2. Remove pipe (1) and the gasket between aftercooler cover (2) and the turbocharger. If necessary, remove the O-ring seals from the pipe.
3. Remove the bolts and clamps that hold tube assemblies (3) to each end of the aftercooler. Remove tube assemblies (3) from each end of the aftercooler. If necessary, remove the O-ring seals from the tube assemblies.
NOTE: An O-ring seal on each end of the aftercooler core holds the adapters in position.
4. Remove adapters (4) and the gaskets from each end of the aftercooler.
5. Remove all bolts (5) that hold aftercooler cover (2) in position. Remove the aftercooler cover and gasket from the engine.
6. Remove aftercooler core (6) and the gasket from the engine. If necessary, remove the O-ring seals from the aftercooler core.
NOTE: Two of the bolts that hold the aftercooler housing in position are on the inside of the aftercooler housing.
7. Remove the bolts and spacers that hold aftercooler housing (7) to the engine. Make a note of the location of the spacers. Remove the aftercooler housing and gaskets from the engine.
Install Aftercooler
NOTE: Inspect all O-ring seals and gaskets, and make replacements if necessary.
1. Put the gaskets and aftercooler housing (1) in position on the engine, and install the bolts and spacers that hold it.
2. Install the O-ring seals on the aftercooler core, and put a thin layer of clean engine oil on them. Put the gasket and aftercooler core (2) in position on the engine.
3. Put the gasket and aftercooler cover (3) in position, and install the bolts that hold them.
NOTE: Force may be required to push the adapters around the O-ring seals on the aftercooler core. Make sure the O-ring seals stay in position on the aftercooler core.
4. Put a thin layer of clean engine oil in the bores of adapters (4). Install a gasket and adapter on each end of the aftercooler core.
5. Install the O-ring seals on tube assemblies (5), and put a thin layer of clean engine oil on them. Put the tube assemblies in position on each end of the aftercooler, and install the bolts and clamps that hold them.
6. Install the O-ring seals on pipe (6), and put a thin layer of clean engine oil on them. Put the pipe and gasket in position between the aftercooler and the turbocharger, and install the bolts that hold it.
7. Fill the radiator with coolant to the correct level. See the Operation & Maintenance Manual for the correct procedure. Copyright 1993 - 2024 Caterpillar Inc. All Rights Reserved. Private Network For SIS Licensees. Fri Nov 22 01:08:55 UTC+0530 2024
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