Echo PB-403H User Manual

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SPECIFICATIONS
MODEL -----------------------------------------------------PB-403H, PB-403T
Length------------------------------------------------------- 325 mm (12.8 in.)
Width PB-403H--------------------------------------------- 515 mm (20.3 in.)
Width PB-403T ---------------------------------------------520 mm (20.5 in.)
Height PB-403H --------------------------------------------440 mm (17.3 in.)
Height PB-403T --------------------------------------------490 mm (19.3 in.)
Weight (dry) PB-403H ------------------------------------ 9.76 kg (21.5 lb.)
Weight (dry) PB-403T------------------------------------9.4 kg (20.7 lb.)
Engine Type ------------------------------------------------ Air cooled, two-stroke, single cylinder gasoline engine
Displacement ----------------------------------------------- 44.0 cc (2.69 cu. in.)
Bore ----------------------------------------------------------40.0 mm (1.574 in.)
Stroke-------------------------------------------------------- 35.0 mm (1.378 in.)
Carburetor --------------------------------------------------Zama w/primer bulb
Ignition System --------------------------------------------Flywheel Magneto, capacitor discharge ignition type
Spark Plug -------------------------------------------------- NGK BPM-8Y Gap 0.65 mm (0.026 in.)
Exhaust System --------------------------------------------Spark Arrestor Muffler w/catalyst
Fuel ---------------------------------------------------------- Mixed (Gasoline and Two-stroke Oil)
Fuel/Oil Ratio ----------------------------------------------- 50:1 two-stroke air cooled engine oil
Gasoline ----------------------------------------------------- 89 Octane unleaded. DO NOT use fuel containing methyl alcohol,
more than 10% ethyl alcohol or 15% MTBE.
Oil ------------------------------------------------------------ Power Blend
TM
Premium Universal 2-Stroke Oil
Fuel Tank Capacity ---------------------------------------- 1.75 lit. (64.3 US fl. oz.)
Recoil Starter System -------------------------------------- Automatic Recoil Starter Centrifugal Type
Idle Speed---------------------------------------------------2300 - 3200 (RPM)
Wide Open Throttle Speed ------------------------------- 6200 - 8200 (RPM)
Maximum Air Speed (Measured at pipe end) ----------282 KM/H (175 mph)
Average Air Volume (Measured at pipe end) ----------10.8 cu. m/min. (380 cu. ft./min.)
Sound level at 50 ft. dB(A) scale per ANSI B175.2----- 71 dB(A)

Echo PB-403H Specifications

General

Brand	Echo
Model	PB-403H
Category	Blower
Language	English

Summary

SAFETY GUIDELINES AND SYMBOLS

Understanding Safety Alerts and Symbols

Explains key safety symbols, words, and their meanings.

International Safety Symbol Reference

Details the meaning of various international symbols used on the product.

Operator Readiness and Required Gear

PERSONAL SAFETY PRECAUTIONS

Physical and Mental Condition for Operation

Essential Personal Protective Equipment (PPE)

Details required eye, hand, breathing, and hearing protection.

Proper Work Attire and Hair Management

SAFE OPERATION PRACTICES

Preventing Repetitive Stress Injuries (RSI)

Work Area Safety and Handling

OPERATION - FUEL HANDLING

Fuel Requirements and Mixing Ratio

Details gasoline type, oil type, and the 50:1 fuel to oil ratio.

Safe Fuel Handling and Storage

Provides warnings and instructions for handling, mixing, and storing fuel.

STARTING PROCEDURES

Starting a Cold Engine

Step-by-step guide for cold starting the engine, including choke and primer use.

ENGINE OPERATION AND SHUTDOWN

Starting a Warm Engine

Instructions for starting the engine when it is already warm.

Stopping the Engine Safely

Procedures for shutting down the engine for both models.

OPERATING THE BLOWER

Safe Blower Operation Techniques

Covers warm-up, speed control, and general usage recommendations.

ROUTINE MAINTENANCE

Air Filter Cleaning and Replacement

Fuel Filter Inspection and Replacement

CARBURETOR ADJUSTMENT PROCEDURES

Initial and Final Carburetor Adjustments

Step-by-step guide for setting carburetor screws for optimal performance.

TROUBLESHOOTING GUIDE

Engine Cranks But Won't Start Issues

Addresses problems with fuel, spark, and electrical issues.

Engine Runs Poorly or Stalls Issues

Addresses issues like air filter, fuel filter, and carburetor problems.

Engine Not Cranking or Weak Operation Issues

Addresses internal engine problems or pipe issues.

STORAGE AND PRESERVATION

Long Term Storage Procedures (Over 30 Days)

TECHNICAL SPECIFICATIONS

Model PB-403H and PB-403T Specifications