Actron Cylinder Leakage Tester Kit 2509 User's Manual
Contents
1. Model 2509 Cylinder Leakage Tester Kit Operating Instructions These instructions should be followed for the proper operation of the cylinder leakage tester 1 Allow engine to run until sufficiently warm Turn off engine 2 Remove all spark plugs from engine plus air cleaner radiator cap and crankcase filler cap 3 Rotate crankshaft until piston of cylinder being tested is at top dead center on the compression stroke Install the proper adapter into the spark plug hole Due to standard engine clearances and normal wear no cylinder should be expected to maintain a perfect no leak reading It is important that all cylinders have a relatively constant reading A difference of 5 psi between cylinders is satisfactory A difference of 10 15 psi indicates the need for further investigation Test Results By listening or looking for the following the cause of low pressure can be determined Connect tester quick disconnect to the adapter Connect an adequate air source to the tester Air sources should be 10 psi greater than the regulated input pressure shown on the left hand gauge 7 When using a 100 psi source adjust left hand valve regulated gauge to read 90 psi Air escaping from carburetor Defective intake 8 The relative pressure of the cylinder being tested is valve automatically indicated on the right hand gauge For Air bubbles in radiator Leaking head example using the chart below with a regulated gasket or crack in pre2. ssure of 90 psi a gauge reading of 81 psi indicates block or head a 10 cylinder leakage oar Air escaping from crankcase breather Defective rings or worn cylinder walls Defective exhaust Air escaping from exhaust system Left Hand Gauge Reading 100 Right Hand Gauge Reading psi p99 sf v fs s ok 9 9 s s f e f es e5 ep ee fo f ee feos y oe fe fo j oe fe fo pet ore ft 7s i ee ae E E A E EE Percentage of Leakage Repair Parts List Part Number Description Part Number Description 0031 0427 0 100 psi Pressure Gauge 0180 0893 10mm Adapter 0400 3111 Gauge Boot 0180 1495 12mm Adapter 0400 3117 Pressure Regulator 0180 1496 18mm Adapter EQUIP 0400 0138 Hose Assembly 24 0400 3118 Carry Case 0180 1502 Cover Plate 0001 3472 Instruction Label 0001 000 3472
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