Dyson DC26 User manual
Service manual
Issued September 09
Service manual
General notes
Cable rewind - removal
Cable rewind - fitting
Switch - removal
Switch - fitting
Brake wheel assy - removal
Brake wheel assy - fitting
Cyclone inlet, chassis and motor assembly
replacement - dismantle
Cyclone inlet, chassis and motor assembly
replacement - fitting
Sub assemblies - bin assembly
Sub assemblies - wand handle, hose and extension
tube assemblies
Cable rewind assembly inspection
Electrical safety testing
Wiring schematic
Resistance values
Electrical fault diagnosis
Main chassis and motor assembly
Main body parts
Cyclone and bin assemblies
Handle, hose and floor tool
Contents
This manual is written specifically for Dyson trained engineers and covers the full DC26
range. The service instructions assume the engineer has the approved tools and test
equipment with them.
Features and benefits 01
40
41
42
43
05
05
10
15
18
20
22
24
30
35
37
38
02
03
03
04
Page
Product overview Technical info. Parts recognition
Fitting notes
Concentration is not shrinking.
The patented Dyson technology
is smaller, but each dimension
and angle has been recalculated
and engineered to make a smaller
cyclone as efficient as a big cyclone.
Hygienic bin emptying
push the button.
Root Cyclone™ technology
Patented Dyson Technology that doesn’t lose suction power as you vacuum.
Shroud
Root cyclone
dyson root cyclone technology
Detachable handle
Click fit tools directly to it for
cleaning awkward places.
Cleaner exhaust air
Releases air containing 150 times
less mould and bacteria than the
air you breathe.
Miniaturised cable rewind
Smaller and lighter without
compromising cable length of 5m.
Centralised motor
Positioned to reduced
drag weight. Makes
the machine easier
to pull along.
Small and compact
Fits on an A4 sheet of paper.
Easy to carry and store.
Lightweight - only 3.5kg
Dual cavity floor tool
Two separate airflow channels
direct suction power evenly for
improved pick-up across every
floor type.
Bin
No need to touch the dirt just
Product overview
01
Features and benefits
Technical info.
Service manual
02
Electrical safety testing
Ensure that at all times during the repair and testing of products
that customers, children, pets and you are not exposed to any
Live electrical supply.
Insulation test
The following tests 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.
Test results
An insulation test reading of >2 MW
is acceptable.
A reading of below 2 MWis not considered
safe and will require replacement of the
chassis and motor assembly.
The Seaward Primetest 200 (or equivalent)
should be used to test the electrical
insulation of a Class 11 appliance; it
indicates any electrical leakage.
Insulation test point:
These tests are vital to avoid any possibility
of personal injury to the end user.
If you cannot repair a product with an
insulation test reading of below 2MW
you must inform the customer that the
product 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 and attach a ‘WARNING:
product electrically unsafe’ sticker in
a visable location on the product.
Technical info.
Service manual
Resistance values
03
Wiring schematic
Cable rewind/
cable wiring assembly
Motor bucket
On/Off
switch
Cyclone
inlet
Contacts
1
2
35
7
9 10
8
46
COMPONENT
POWERCORD ASSY 1
2
5
POWERCORD ASSY
POWERCORD TO MAIN ON/OFF SWITCH
MAIN CHASSIS AND MOTOR ASSY
(WITH CABLE REWIND ATTACHED)
(WITH CABLE REWIND REMOVED)
MAIN ON/OFF SWITCH
TEST BETWEEN POINTS OHMS
3
4
7
TO
1 ΩMAX
1 ΩMAX
1 ΩMAX
6 ΩAPPROX
1 ΩMAX
12
TO
78
TO
910
TO
TO
TO
Technical info.
Service manual
No power to motor
1. Carry out a resistance test around the entire product (points 1-2) to determine there is a genuine
fault.
2. If there is a fault check the plug, pins and entire length of the powercord for any signs of wear or
damage.
3. Remove the cable rewind assembly from the product (following all safety precautions shown on
pages 08-09), and check for any damage on the outer contacts of the cable wiring retainer
assembly that would result in an open circuit between the wiring retainer and cable rewind
assembly.
4. Carry out a resistance test along the length of the powercord (points 1-3 and 2-4).
5. Remove the actuator housing and check that the wires are attached to the On/Off switch
(points 7 and 8).
6. Check the mechanical actuation of the On/Off switch.
7. Carry out a resistance test across the switch (points 9-10) ensuring the switch is in the On position.
8. Remove the cable wiring retainer assembly from the product (see pages 38 and 39 for instructions)
and check that the Live (point 5) wire from the On/Off switch and Neutral (point 6) wire from the
main body loom are attached to the assembly.
9. Check the cable wiring retainer assembly for any signs of damage that would result in an open
circuit.
10. Carry out a resistance test along the length of the live wire that connects the cable wiring assembly
to the On/Off switch (points 5-7).
11. If all of the above checks do not rectify the fault, replace the Main chassis and motor assembly.
Electrical fault diagnosis
04
Fitting notes
Service manual
General notes
Disconnect the machine from the electrical outlet at
all times during repair and test. Failure to do so could
result in electric shock or personal injury.
Some female terminal clips used in DC26 contain a locking
mechanism. The release pip will need to be activated before
separation from the male terminal can occur.
Ensure that safety goggles are worn where this symbol
is shown.
Cable rewind - removal
Recommended tools to repair DC26:
Torx T-8, T-10, T-15 screwdrivers
Large flat bladed screwdriver
Thin flat bladed screwdriver
Long/needle nosed pliers
05
01 Remove the cyclone and bin
assembly from the product.
Wire colours may vary between territories.
Ensure that protective gloves are worn where this symbol
is shown.
Fitting notes
Service manual
06
02 Undo the two fasteners in the post
filter cover assembly.
03 Remove the cover.
04 Pull the hose retainer catch to
release the hose from the base
of the product.
Fitting notes
Service manual
07
05 Firmly release the hose from the
cyclone inlet.
06 Firmly pull the wheel and retainer
off the cable rewind side of the
product.
07 Undo the three screws in the cable
rewind cover.
Fitting notes
Service manual
08
08 Remove the cover.
09 Important: ensure the entire
length of the cable is wound onto
the cable rewind assembly.
Prise the cable protector off the
side of the chassis.
10 Important: press the cable
rewind actuator and allow the
cable rewind assembly to turn
through two revolutions clockwise
to remove any remaining tension
in the cable spring assembly.
Failure to do this could result in
injury when removing the spring
assembly.
x2
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