Professional Shop ManualCC 500 ELMTD Products Inc. - Product Training and Education DepartmentFORM NUMBER - 769-033326/2007NOTE: These materials are f
ELECTRICAL SYSEM6Types of circuitsThere are three ways a circuit can be wired. They are:•Series• Parallel• Series/parallelSeries• Series circuits are
ELECTRICAL SYSTEM7Tools• Digital volt ohm meter• Wiring or a schematic diagram.Equipment that may be useful:• Fused jumper wires.• Hand tools to gain
ELECTRICAL SYSEM8Components and testing techniquesIn this section, the function and test procedures of indi-vidual components will be looked at. Swit
ELECTRICAL SYSTEM9Circuit breakersCircuit breakers are safety devices that open a circuit when the current flow reaches a certain level. This helps to
ELECTRICAL SYSEM10DiodesA diode acts like a one way valve. They allow current to flow in only one direction. There will be a band on one end of the di
ELECTRICAL SYSTEM11RectifierThe rectifier is a device that will take AC voltage and change it in to DC voltage. Rectifiers are made up of diodes. A ha
ELECTRICAL SYSEM123. Connect a DVOM, set to read AC voltage, to the AC input (the black and white wires from the har-ness) to the rectifier. See Figu
REPAIR PROCEDURES13General safety warningWhenever working on an electric lawn mower, unplug the power cord. Only plug the power cord in if electricity
REPAIR PROCEDURES143. Loosen and remove the blade bolt, locking plate, and blade using a 24 mm wrench. See Figure 3.2.4. The blade can be sharpened wi
REPAIR PROCEDURES15Switch box assemblyThe switch box assembly is located on the upper han-dle bar. The switch and circuit breaker are housed inside of
REPAIR PROCEDURES16To replace the switch box:1. Unplug the power cord.2. Slide the safety bail out of the switch box assem-bly.3. Remove the motor cov
REPAIR PROCEDURES17MotorThe motor on this mower is a DC permanent magnet motor. It is not serviceable. The test procedures for this motor are covered
REPAIR PROCEDURES18Motor mountTo replace the motor mount:1. Unplug the power cord.2. Remove the motor by following the steps described in the previous
iChapter 1: Introduction ...1 Professional
INTRODUCTION1Professional Shop Manual IntentThis Manual is intended to provide service dealers with an introduction to the electrical and mechanical a
INTRODUCTION2Fasteners:• Most of the fasteners used on the vehicle are sized in fractional inches. Some are metric. For this reason, wrench sizes are
ELECTRICAL SYSTEM3Basics of electricityIn order to diagnosis any electrical system there are few things the technician must understand:• Basic electri
ELECTRICAL SYSEM4Kirchhoff’s current lawKirchhoff’s current law deals with nodes. Nodes are the junction of two or more wires or the junction of a wir
ELECTRICAL SYSTEM5DC electricityMost outdoor power products will use DC electricity to power its electrical systems. The simple way to look at DC elec
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