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3.4.
carBureTTOr TesT.
NOTe: Ensure that the spark plugs, ignition timing and valve clearances are all correctly adjusted before adjusting the carburettor.
3.4.1.
Connect the gauge hose to the inlet manifold.
3.4.2.
Start engine and allow to reach normal operating temperature. At idling speed the gauge should have a steady reading between 17
and 22 inHg, if the needle varies between 14 and 22 inHg, this indicates that the carburettor requires adjustment.
3.4.3.
Adjust the carburettor as follows:
a) At idling speed adjust the mixture screw until the highest reading is obtained and the needle is steady.
b) If a high speed adjustment is required, increase the engine speed to 2000 to 2500rpm and adjust the mixture until the highest
reading is obtained with a steady needle.
c) If the carburettor has a high and low speed setting adjust the high speed setting first.
NOTe: If the carburettor is worn, has blocked jets or incorrect jets fitted it may not be possible to adjust the carburettor to its optimum.
4. ParTs
VSE952.01
Gauge
VSE952.02
Hose
VSE952.03
Connector
eNVIrONmeNT PrOTecTION
Recycle unwanted materials instead of disposing of them as waste. All tools, accessories and packaging should be sorted, taken to
a recycling centre and disposed of in a manner which is compatible with the environment. When the product becomes completely
unserviceable and requires disposal, drain any fluids (if applicable) into approved containers and dispose of the product and fluids
according to local regulations.
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 product.
Warranty: Guarantee is 12 months from purchase date, proof of which is required for any claim.
sealey Group, Kempson Way, suffolk Business Park, Bury st edmunds, suffolk. IP32 7ar
01284 757500
© Jack Sealey Limited
01284 703534
sales@sealey.co.uk
Original Language Version
VSE952.04
Connector (T-Piece)
VSE952.05
Connector (Cone)
VSE952.06
Gauge Surround
www.sealey.co.uk
VSE952 Issue 2 (HF) 07/03/19
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