Dyson DC19 Bedienungsanleitung

Issued 03/07

service manual

187,000G

200,000G

Root Cyclone Technology

service manual

Introduction

Electrical safety testing

Circuit overview

Technical

General notes

Main body - dismantle

Main body - assemble

Pre-filter cover & UMC assy

Motor assy

LMC assy

Cyclone & bin assy

Wand & hose assy

Fitting notes

Parts recognition

PAGE

436

service manual

Diagnostic

Loss of suction/pick up

No power

Burning smell

Thermal cut-out activating

Noisy

436

Technical

service manual

The Seaward Primetest 200 or equivalent should be used to test the electrical insulation of a Class ll

appliance; it indicates any electrical leakage.

Procedure for use:

1. Remove the pre-filter cover and pre-filter on the product.

2. Connect the red lead from the tester to the shaft of screwdriver via a crocodile clip.

3. Locate the screwdriver through the filter housing grille, onto the motor fan.

4. Plug the product directly into the tester.

5. Ensure the mains switch of the product to be tested is in the ON position.

6. Set the range selector to the double insulated symbol.

7. Press the 'test' button on the tester. Record the reading.

A reading of > 2MΩ is accepted. 2MΩ is the minimal legal requirement. A reading of below 2MΩ is

not considered safe and further investigation and rectification must be made before the product is used.

The following components must be visually inspected:

• Cable rewind assembly, both internal and external

• Switch

• Motor

• Carbon build up in the motor housing

If you cannot repair a product with an insulation test reading of below 2MΩ

you must

inform the customer that it is unsafe to use. Please inform the customer of the required

actions to repair the product (including the charge structure). If the product is left

un-repaired please indicate on your paperwork/hand held device that the product is

electrically unsafe!

The following test must be performed prior to and upon completion of all repairs to Dyson floorcare

products and before any functional checks. You must ensure that a full visual inspection of the product is

completed prior to repair. This is vital to avoid any possibilities of personal injury to the end user.

Test the socket outlet using the 3-pin test unit to ensure that the socket is correctly wired and earthed.

Ensure that at all times during the

repair and testing of products that

customers, pets, children and you are

not exposed to any Live electrical supply.

Socket polarity check

Insulation test

Electrical safety testing

Introduction

This manual is written specifically for dyson trained engineers and covers the DC19 and DC20 range.

The service instructions assume that the engineer has the approved tools and test equipment with them.

Introduction

Technical

service manual

Circuit overview

Complete circuit (points 1-2) = 7Ωapprox.

Cable rewind:

Live (points 1-3) = 1Ωmax.

Neutral (points 2-6) = 1Ωmax.

Switch (points 3-4) = 1Ωmax.

Motor assy (points 5-7) = 7Ωapprox.

Resistance values

service manual

Press the release catch to remove the cyclone

and bin assembly from the product.

1Unclip the wand assembly from the side of the

cyclone assembly and unwrap the hose assembly

from around the product (DC20 only). Remove

the end of the hose from the inlet on the side of

the product. Unclip the retaining bracket and

remove from the front of the machine.

If necessary the bin can be removed from the

cyclone assembly by pressing the bin release

catch.

All screws used in DC19 and

DC20 are M3.5 x 16 Torx T-15

unless otherwise stated.

Some female terminal clips

used in DC19 and DC20

contain a lock mechanism.

The mechanism will need

to be pressed before

separation from the male

terminal can occur.

Before attempting any repairs it is vital to

ensure the product is totally isolated from the

mains supply and that accidental reconnection cannot occur.

General notes

Main body - dismantle

Unclip the post filter cover catch using a flat bladed

screwdriver. Carefully remove the cover and filter.

Unclip the pre-filter cover from the locating point

on the upper motor cover (UMC). Pull the pre-filter

cover away from the machine until it releases from

the hinge points. Remove the pre-filter assembly. Firmly pull the wheels away from the main body.

Remove the six screws from the UMC. Pull the cable out slightly and lift the UMC off the Lower Motor Cover

(LMC).

Fitting notes

service manual

Unclip the post filter cover catch using a flat bladed

screwdriver. Carefully remove the cover and filter.

Unclip the pre-filter cover from the locating point

on the upper motor cover (UMC). Pull the pre-filter

cover away from the machine until it releases from

the hinge points. Remove the pre-filter assembly. Firmly pull the wheels away from the main body.

Remove the six screws from the UMC. Pull the cable out slightly and lift the UMC off the Lower Motor Cover

(LMC).

Fitting notes

service manual

See fig. 9 See fig.10 -11

See fig. 8

See fig. 9

UNDERSIDE VIEW OF THE UMC IDENTIFYING THE POSITIONS OF

RELEVANT COMPONENTS

Fitting notes

service manual

Press the lower retaining clip from inside the UMC

to remove the cable collar.

Separate the collar from the cable.

To remove the bleed valve, carefully push out

from the outside of the UMC using a thin, flat

bladed screwdriver.

To replace the bleed valve, assemble in the above

order.

To remove either actuator or spring, unclip from the

inside of the UMC with the aid of a pair of long

nosed pliers.

To refit, locate the springs, then actuators from the

outside of the UMC, and firmly snap in.

Fitting notes

service manual

Remove the cable rewind from the lower motor cover (LMC) assembly. Unclip the fly leads from the side of the

motor bucket. Unclip the connector insulator, and the wires within from each other. Pull the motor bucket out

of the LMC assembly.

Release the switch from the switch holder. Unclip

both wires from the switch.

Firmly release the four retaining clips on the side of

the motor bucket. Lift off the motor bucket top.

Lift the fancase seal off the base of the motor.

Lift the motor, motor plate and mount out of the

bucket. Unclip the wiring harness from the motor.

Release the wiring harness from the bucket if

necessary.

The motor bucket mount can be replaced if

necessary as shown.

Fitting notes

service manual

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