Innova 3551a User Manual

Covers fire safety and eye protection requirements for safe operation.

Addresses clothing, ventilation, and smoking hazards during work.

Covers vehicle setup, hot surfaces, and battery handling safety.

Warns about high voltage and vehicle jacking risks.

Explains the importance of ignition timing for engine performance and economy.

Describes the timing light's intended use on 12-volt vehicles.

Details connecting the timing light to 6-volt electrical systems.

Details the timing light's components and control panel functions.

Lists pre-checks for mechanical issues before starting any test procedure.

Outlines steps to prepare the engine before performing a timing check.

Provides steps for safely connecting the timing light to the vehicle.

Details how to perform a base timing check using the timing light.

Explains how to check mechanical or centrifugal timing advance.

Details the procedure for checking vacuum timing advance.

References vehicle manual for checking electronic timing controls.

Explains how to clean the inductive pickup clip for optimal performance.

Provides information on obtaining replacement inductive pickup leads.