Actron KAL2504 User Manual download pdf

Instructions for

Compression Tester

Test Procedure

1. Start Engine and warm to normal

operating temperature.

2. Turn engine off

3. Remove and number spark plug wires

4. Loosen spark plugs one turn

5. Clean loose dirt and rust from and

around spark plug wells

6. Remove spark plugs and place on

clean flat surface in order removed

7. Remove air filter

8. Set carburetor throttle plate to wide

open using string.

CAUTION

Be careful not to damage linkage

or throttle body components.

CAUTION

Make sure to return

carburetor throttle plates to closed

position before starting engine.

9. Remove high tension lad from center

of distributor and connect to ground.

NOTE: To disable electronic ignition

systems, disconnect electronic ignition

module or remove primary battery

terminal from ignition coil.

NOTE: On GM HEI V-6 and V-8

disconnect primary lead from distrutor

cap.

Held Open Throttle

Plates

GM HEI Ignition

Disabling Procedure

Ignition Disabling

Procedure

Carburetor

String

High Tension Lead

Jumper Wire

Primary Wire

1 2 3 4

Summary of Contents

Page 1 - Compression Tester

Instructions forCompression TesterTest Procedure1. Start Engine and warm to normaloperating temperature.2. Turn engine off3. Remove and number spark p

Page 2 - Release Valve

NOTE: Engines with 14 mm long reachplugs, use long reach adapter.CAUTIONDo not use long reach adapteron short reach holes10. Hand tighten spark plug a

Page 3

Test ResultsNormal Cylinder: Gauge needle should travel up-scale on each compressionstroke until a peak value is reached. All cylinders should hav

Page 4