Alternator Service - Toro Reelmaster 5100-D Service Manual

Alternator Service

Disassembly and Inspection
1. Remove the alternator from the engine (see Alterna­
tor Removal and Installation in the External Engine
Component Repair section of Chapter 4 - Mitsubishi
Diesel Engine).
2. Remove the three through bolts (Fig. 51).
3. Use a solder iron to heat the rear bracket around the
rear bearing to 120 - 140
front and rear brackets by prying with a screwdriver
blade inserted between the brackets.
IMPORTANT: Be careful not to insert the blade too
far causing damage to the windings.
6
1. Pulley
2. Front bracket assembly
3. Front bearing
4. Rotor assembly
®
Reelmaster 5100-D
o o
F (50 - 60 C). Separate the
1
7
5. Rear bearing
6. Stator
7. Terminal set assembly
8. Regulator assembly
4. Put the rotor in a vise. Remove pulley nut and pull off
the pulley and spacer.
5. Pull the rotor assembly from the front bracket.
6. Unsolder the stator core lead wires. Remove the
stator assembly.
IMPORTANT: To prevent damage to the diodes, heat
the stator core lead wires only long enough to re ­
move.
7. Disconnect the capacitor from terminal "B".
8. Loosen the screws securing the rectifier and remove
the rectifier.
2
3
8
9
Figure 51
Page 5 - 41
4
5
10
9. Rectifier assembly
10. Rear bracket assembly
Repairs