This alternator does not have a diode set, but does have an additional fan inside the rear housing. The Type B alternator has zener diodes as part of the diodes in the diode bridge. The two types are very similar, but the Type A alternators have a set of three diodes (diode set) as well as the diode bridge. and FIGURE 2.) NOTE: For this SRM section, the alternators are in two groups, Type A and Type B. NOTE: Information on alternators manufactured outside the United States is in the SRM (service repair manual) sections for lift trucks that use those alternators.
Do not check for current flow by making a spark because the electronic components can be damaged. Make sure a battery is the correct voltage and polarity before it is connected. Make sure a correct identification is made of the wire before it is connected. Do not cause a short–circuit by connecting the electric wires to the wrong terminals. Do not disconnect an electric wire before the engine is stopped and the switches are “OFF”. The voltage surge can damage the diodes and resistors in the electrical system. Do not disconnect the battery when the engine is running. The diodes and resistors in the electrical system can be damaged if the following cautions are not followed: Attach the welding ground clamp as close to the weld area as possible to prevent welding current from damaging the bearings. CAUTION When using an arc welder, always disconnect the ground lead from the lift truck battery to prevent alternator or battery damage. GENERAL This section has a description and the repair procedures for the alternator with a voltage regulator as part of the alternator. Hyster s40e serial number decoding manual#
Hyster Forklift H70XL H110XLF005 service manual
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