3022 Tester Manual |link| Full - Equus

Ensure the battery is not leaking, cracked, or swollen. Never test a visibly damaged battery. 2. Connecting the Tester

Essential for testing spark plug wires, sensors, and continuity.

: This large plastic clamp measures current through induction. It must snap directly over the No. 1 cylinder spark plug wire . Ensure the arrow on the clamp points toward the spark plug, and position it away from adjacent spark plug wires to stop electromagnetic cross-talk. 🚘 Step-by-Step Diagnostic Procedures 1. Checking Engine Speed (Tachometer) equus 3022 tester manual full

The is an automotive engine compression tester kit designed to diagnose internal engine health by measuring the pressure generated within a cylinder during its compression stroke. It is widely used to identify issues like worn piston rings, leaking valves, or a blown head gasket. Kit Components The standard kit typically includes the following:

The battery is healthy and capable of holding a full charge. Ensure the battery is not leaking, cracked, or swollen

: Wear ANSI-approved safety glasses and avoid loose clothing that could get caught in moving parts.

| Feature | Equus 3022 | Equus 3100 | Equus Cigarette Lighter Tester | |---------|------------|------------|-------------------------------| | Primary Function | Full multimeter & battery tester | OBD2 code reader | Basic voltage monitor | | Battery Test | Yes (DCV) | No | Yes (plug-in) | | Alternator Test | Yes | No | Yes | | Continuity/Ohms | Yes | No | No | | Diode Test | Yes | No | No | | RPM Measurement | Yes | No | No | | Ease of Use | Moderate | Very easy | Very easy | | Typical Cost | $50–80 | $40–70 | $15–25 | | Best For | Comprehensive diagnostics | Engine code reading | Quick battery checks | Connecting the Tester Essential for testing spark plug

Turn the ignition key to the "ON" (RUN) position, but do not start the engine.