详细规格及用途描述

Dummy injector method
Easy-reading 2-1/2” diameter gauge features color-coded quadruple calibrations with 0~300psi /21bar
A long heavy-duty flexible hose with a 14mm/18mm adaptor
Convenirnt pressure-holding, side release valve
Preparation for compression test
1. Start and run engine up to normal operating temperature.
2. Make sure the battery is fully charged.
3. Remove dust from spark plug wells. Remove all spark plugs.
4. Ground hi-tension terminal of the ignition coil to avoid spark during test.