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Cub Cadet CC 500 EL Shop Manual

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See also: Operator's Manual
Professional Shop Manual
CC 500 EL
NOTE: These materials are for use by trained technicians who are experienced in the service and repair of outdoor power
equipment of the kind described in this publication, and are not intended for use by untrained or inexperienced individuals.
These materials are intended to provide supplemental information to assist the trained technician. Untrained or inexperi-
enced individuals should seek the assistance of an experienced and trained professional. Read, understand, and follow all
instructions and use common sense when working on power equipment. This includes the contents of the product's Oper-
ators Manual, supplied with the equipment. No liability can be accepted for any inaccuracies or omission in this publication,
although care has been taken to make it as complete and accurate as possible at the time of publication. However, due to
the variety of outdoor power equipment and continuing product changes that occur over time, updates will be made to these
instructions from time to time. Therefore, it may be necessary to obtain the latest materials before servicing or repairing a
product. The company reserves the right to make changes at any time to this publication without prior notice and without
incurring an obligation to make such changes to previously published versions. Instructions, photographs and illustrations
used in this publication are for reference use only and may not depict actual model and component parts.
© Copyright 2007 MTD Products Inc. All Rights Reserved
MTD Products Inc. - Product Training and Education Department
FORM NUMBER - 769-03332
6/2007

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Summary of Contents for Cub Cadet CC 500 EL

  • Page 1 Professional Shop Manual CC 500 EL NOTE: These materials are for use by trained technicians who are experienced in the service and repair of outdoor power equipment of the kind described in this publication, and are not intended for use by untrained or inexperienced individuals.

  • Page 3: Table Of Contents

    Table of Contents Chapter 1: Introduction ......................1 Professional Shop manual intent...................1 Assembly ..........................1 Understanding model and serial numbers................2 Chapter 2: Electrical System ....................3 Basics of electricity.......................3 Electrical circuits........................5 Tools ............................7 Components and testing techniques..................8 Chapter 3: Repair Procedures .....................13 General safety warning......................13 Blades ..........................13 Switch box assembly......................15 To replace the switch box....................16...

  • Page 5: Chapter 1: Introduction

    Very few parts are interchange- • In no event shall MTD or Cub Cadet be liable for able between the first and second generation mowers. poor text interpretation, or poor execution of the The electrical theory is the same for all three genera- procedures described in the text.

  • Page 6: Assembly

    - - - - - - 2 - - - - indicates it is AC powered • - - - - - - - - 710 indicates that it is Cub Cadet • Some fasteners like cotter pins are single-use items that are not to be reused.

  • Page 7: Chapter 2: Electrical System

    ELECTRICAL SYSTEM CHAPTER 2: ELECTRICAL SYSTEM Basics of electricity Ohm’s law In order to diagnosis any electrical system there are Ohm’s law state that voltage is the product of resis- few things the technician must understand: tance times current. It is written as V=IxR. An example of how ohm’s law works goes like this: It takes 1 volt to •...
  • Page 8 ELECTRICAL SYSEM Kirchhoff’s current law AC electricity Kirchhoff’s current law deals with nodes. Nodes are the AC electricity is used to provide electricity to homes junction of two or more wires or the junction of a wire to and businesses because it can be easily transmitted a component.

  • Page 9: Electrical Circuits

    ELECTRICAL SYSTEM DC electricity Electric circuits Most outdoor power products will use DC electricity to All circuits have some basic rules that must be fol- power its electrical systems. The simple way to look at lowed: DC electricity is that current only flows in one direction. All circuits must have at least one voltage The value of the current or voltage can vary, but as source.
  • Page 10 ELECTRICAL SYSEM Types of circuits Series/parallel There are three ways a circuit can be wired. They are: Series/parallel circuits have some sections wired in series and some in parallel. See Figure 2.7. • Series • Parallel • Series/parallel Series • Series circuits are wired so that the current has only one path to follow.

  • Page 11: Tools

    ELECTRICAL SYSTEM Tools • Digital volt ohm meter NOTE: The only exception to this is when using an inductive amp clamp. • Wiring or a schematic diagram. When measuring resistance, the component must be Equipment that may be useful: isolated from the circuit. •...

  • Page 12: Components And Testing Techniques

    ELECTRICAL SYSEM Components and testing techniques Testing a switch In this section, the function and test procedures of indi- When testing a double pole double throw switch, treat it vidual components will be looked at. as two switches. Test one side of the switch in the open and closed state then do the same on the other side.
  • Page 13 ELECTRICAL SYSTEM Circuit breakers To test a circuit breaker Circuit breakers are safety devices that open a circuit Let the circuit breaker cool down for at least five when the current flow reaches a certain level. This minutes and reset the breaker. helps to prevent components from being damaged by NOTE: If the circuit breaker will not reset, unplug the high current flow.
  • Page 14 ELECTRICAL SYSEM Diodes Attach the negative lead of the DVOM to the side of the diode with a band on it. A diode acts like a one way valve. They allow current to flow in only one direction. There will be a band on one Place the positive lead on the other side of the end of the diode.
  • Page 15 ELECTRICAL SYSTEM Rectifier Because the rectifier is just reversing the negative side of the AC wave form, it does not have a smooth output The rectifier is a device that will take AC voltage and wave form. See Figure 2.19. change it in to DC voltage.
  • Page 16 ELECTRICAL SYSEM Connect a DVOM, set to read AC voltage, to the Motor AC input (the black and white wires from the har- An electric motor is a device that converts electrical ness) to the rectifier. See Figure 2.20. energy into mechanical force. The motor used on this mower is not serviceable.

  • Page 17: Chapter 3: Repair Procedures

    REPAIR PROCEDURES CHAPTER 3: REPAIR PROCEDURES General safety warning To replace the blade: Whenever working on an electric lawn mower, unplug WARNING: When removing the cutting blade for the power cord. Only plug the power cord in if electricity sharpening or replacement, protect your hands is needed to preform a test.
  • Page 18 REPAIR PROCEDURES Loosen and remove the blade bolt, locking plate, and blade using a 24 mm wrench. See Figure NOTE: Make certain to replace the parts in the 3.2. exact order in which they were removed. When installing the cutting blade, be sure it is installed with the curved ends pointing towards the mower deck and not towards the ground.

  • Page 19: Switch Box Assembly

    REPAIR PROCEDURES Switch box assembly Peel back the label on the side of the switch box assembly to expose the seam. See Figure 3.6. The switch box assembly is located on the upper han- dle bar. The switch and circuit breaker are housed inside of it.

  • Page 20: To Replace The Switch Box

    REPAIR PROCEDURES To replace the switch box: Remove the two mounting screws using a T-27 Torx driver. See Figure 3.9. Unplug the power cord. Slide the safety bail out of the switch box assem- bly. Mounting screws Remove the motor cover by following the steps describe in the motor section of this chapter.

  • Page 21: Motor

    REPAIR PROCEDURES Motor 4b. Press in the tab while lifting on the cover. The motor on this mower is a DC permanent magnet 4c. Repeat steps 4a and 4b on the other slots. motor. It is not serviceable. The test procedures for this Unplug the wires from the rectifier.

  • Page 22: Motor Mount

    REPAIR PROCEDURES Motor mount Rectifier To replace the motor mount: To replace the rectifier: Unplug the power cord. Unplug the power cord. Remove the motor by following the steps Remove the motor cover by following the steps described in the previous section of this manual. described in the motor cover section of this chapter.

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