Generator - Remove
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Illustration 1 | g00619076 |
(1) Stationary pilot exciter armature
(2) Rotating pilot exciter field |
Note: This procedure describes removing the generator terminal box from the generator. Some service operations do not require the removal of the generator terminal box. The removal of the generator terminal box may not be necessary.
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Illustration 2 | g00619082 |
Generator Terminal Box with a Typical 600 Frame |
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Illustration 3 | g00619102 |
Generator Terminal Box with a Typical 400 Frame |
- Remove the side and rear panels of the generator terminal box in order to access the wiring.
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Illustration 4 g00619117 Terminal Strips (DIN) Show/hide tableIllustration 5 g00619124 Terminal Strips Show/hide tableIllustration 6 g00619154 Terminal Strips (Control Panel interior) - To remove the generator terminal box, disconnect all the wiring that extends from the generator terminal box to the generator or to the engine. Disconnect the following wires:
- engine harness wires
- generator leads
- current transformer wires
- temperature sensing wires
- space heater wires
- ground wires
Remove the engine harness from the generator terminal box.
Most of the wiring can be disconnected at the terminal strips. The exact location of the terminal strips and the type of terminal strips varies with the different generator set packages. The preceding illustrations show some of the various terminal strips.
- To remove the generator terminal box, remove the lower rear panel and the screen beneath the rear of the generator.
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Illustration 7 g00619180 Generator Terminal Box (Typical 600 Frame) Show/hide tableIllustration 8 g00619185 Generator Terminal Box (Typical 400 Frame) - Attach a hoist to the four corners of the generator terminal box.
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Illustration 9 g00619192 Top View
(3) Bolt - Remove bolts (3) which fasten the generator terminal box to the mounting brackets. Use the hoist to lift the generator terminal box and remove the generator terminal box.
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Illustration 10 g00619203 Generator support
(4) Support Beam - If there are no supports between the base of the generator set and the flywheel end of the engine, perform this Step. For supporting the engine during removal of the generator, use one of the following devices:
- hoist
- jack
- support beam (4)
Show/hide tableIllustration 11 g00621148 Generator ground strap
(5) Ground strap
(6) Bolt - Remove bolt (6) that attaches ground strap (5) to the generator.
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Illustration 12 g00619206 (7) Screen
(8) Shield
(9) Bolts - Attach a hoist to the generator. The point of attachment varies with the size of the generator. A strap must be used on smaller generators when no shackle is provided.
- Remove bolts (9) which fasten the generator to the base.
- Remove shield (8) and screen (7).
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Illustration 13 g00619261 (10) Bolts
(11) Bolts - Remove bolts (11) which fasten the fan and the coupling plate to the engine flywheel.
- Remove bolts (10) which fasten the generator housing to the flywheel housing.
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Illustration 14 g00619267 (12) Bolts
(13) Coupling Plate - Separate the generator from the engine. Remove the generator. Place the generator on solid blocking material which will not allow the generator to roll.
- Remove bolts (12) which fasten coupling plate (13) to the rotor. Remove coupling plate (13).
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Illustration 15 g00619275 (14) Shims
(15) Fan - Remove shims (14) from the rotor shaft. If the fan (15) is not attached to the rotor, remove the fan from the generator housing.
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