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Technical Specification
PRODUCT NUMBER 3588635877CT955CT951VSE3155VSE206

Q 1. Which engine thread sizes is the Draper Expert 35885 compression test kit compatible with?

A. The kit is compatible with direct and indirect petrol engines that use 10mm, 12mm, 14mm, and 18mm spark plug threads. Four adaptors, a straight connector, an angled connector, and an assortment of rubber seals are included to accommodate these sizes.

Q 2. What pressure scales does the digital gauge offer?

A. The 63mm diameter digital LCD display gauge provides a choice of three pressure scales: 0–300 psi, 0–20 bar, and 0–2000 kPa, allowing readings to be taken in the unit most convenient for the technician.

Q 3. How does the kit retain a compression reading between piston strokes?

A. The kit is fitted with an integrated Schrader one-way valve system, which holds the pressure reading in the gauge between strokes so the measurement can be read after cranking has stopped.

Q 4. How is pressure safely released after a compression test?

A. A spring-loaded pressure relief valve is fitted to the kit, allowing controlled and safe release of pressure once the test is complete.

Q 5. What is the hose specification and why is it important?

A. The kit includes a 420mm flexible stainless steel hose with braided construction. The braided stainless steel build is specifically noted in the product specification to improve durability under workshop conditions.

Q 6. What is included in the Draper 35885 eight-piece kit?

A. The kit contains one 63mm diameter gauge, one 420mm flexible stainless steel hose, one straight connector, one angled connector, four adaptors, and one assortment of rubber seals, all supplied in a plastic storage case.

Q 7. What warranty does this product come with?

A. Every product comes with a different guarantee and warranty. Warranty details are shown in the product's tech specs or datasheet where available.

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