Maintenance, Parts – Sealey TA303 User Manual
Page 5
4.18.
Dwell Angle Measurement
Dwell angle is the number of degrees through which the distributor cam rotates while the breaker points are closed.
4.18.1. Insert the black test lead into the negative “COM” jack and the red test lead into the positive VΩHz% etc. jack.
4.18.2. Turn the rotary switch to the dwell position.
4.18.3. Press the range button to select the number of cylinders (4, 5, 6 or 8 cylinders).
4.18.4. Connect the black test lead to the Ground terminal (-) on the vehicle's battery and the red test lead to the contact breaker points or the negative (-)
terminal of the ignition coil.
4.18.5. When the vehicle's engine is started the Dwell angle will be displayed.
note: To reduce the dwell angle reading the points gap must be increased, to increase the dwell angle the points gap must be reduced.
refer to your vehicle manufacturer's handbook for detailed procedures on dwell settings and adjustments.
5. MAINTENANCE
WARNING! do not attempt to repair or service the analyser unless you are qualified to do so and have the relevant calibration, performance test,
and service information. To avoid electrical shock or damage to the analyser, do not get water inside the case.
5.1.
Periodically wipe the case with a damp cloth and mild detergent. Do not use solvents.
5.2.
Turn the analyser off when not in use and remove the battery if stored for a long period of time.
5.3.
Do not store the analyser in a place of high humidity or high temperature
5.4.
Replacing The Battery
WARNING! To avoid electric shock, disconnect the test leads from the analyser before removing the battery cover.
5.4.1. When the battery becomes exhausted or drops below the operating voltage, the battery symbol will appear in the left hand side of the display.
5.4.2. Open the battery cover by loosening the two screws using a small cross head screwdriver.
5.4.3. remove the old battery and insert the new one, observing the correct polarity.
5.4.4. replace the battery cover and secure with the two screws.
WARNING! To avoid electric shock, do not operate the analyser until the battery cover is secured in place.
5.5.
Replacing the Fuses
WARNING! To avoid electric shock, disconnect the test leads from the analyser before accessing the fuses.
5.5.1. Open the rear cover by loosening the six screws using a small cross head screwdriver. Gently ease the rear cover off.
5.5.2. remove the old fuse from its holder by gently pulling it out. Take care not to touch any other internal parts of the analyser.
5.5.3. Install the new fuse into its holder by gently pushing it in.
note: Always use a fuse of the correct size and value.
Fuse Ratings:
20A/250V, 6.3 x 32mm fast acting ceramic type for the 20A range.
0.5A/250V, 5 x 20mm fast acting ceramic type for the 400mA range.
5.5.4. replace the rear cover and secure with the six screws.
WARNING! To avoid electric shock, do not use the analyser until it has been fully re-assembled.
Environmental Protection.
recycle unwanted materials instead of disposing of them as waste. All tools, accessories and packaging should be sorted, taken to a recycle
centre and disposed of in a manner which is compatible with the environment.
When the product is no longer required, it must be disposed of in an environmentally protective way.
Contact your local solid waste authority for recycling information.
Battery Removal.
WARNING! To avoid electric shock, disconnect the test leads from any source of voltage before removing the battery cover.
Disconnect the test leads from the meter.
See Section 5.4 for battery removal.
remove and dispose of batteries according to local authority guidelines.
1.
under the Waste Batteries and Accumulators regulations 2009, Jack Sealey Ltd are required to inform potential purchasers of
2.
products containing
batteries (as defined within these regulations), that they are registered with Valpak’s registered compliance scheme. Jack Sealey Ltd’s Batteries
Producer registration number (BPrn) is BPrn00705
6. PARTS
Item
Part No.
Description
1.
TA302.01
TEMPErATurE PrOBE
2.
TA302.02
InDuCTIVE PICK-uP
3.
TA302.03
TEST LEADS
4.
TA302.04
WATEr PLuG
NOTE: It is our policy to continually improve products and as such we reserve the right to alter data, specifications and component parts without prior notice.
IMPORTANT: no liability is accepted for incorrect use of this equipment.
WARRANTY: Guarantee is 12 months from purchase date, proof of which will be required for any claim.
INFORMATION: For a copy of our latest catalogue and promotions call us on 01284 757525 and leave your full name and address, including postcode.
TA303 Issue no: 2 - 20/12/11
01284 757500
www.sealey.co.uk
01284 703534
Web
Sole UK Distributor, Sealey Group,
Kempson Way, Suffolk Business Park
,
Bury St. Edmunds, Suffolk,
IP32 7Ar
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