Firman P03504 User Manual (English)

Questions and Answers:

J
Joshua SpencerAug 12, 2025
What to do if my Firman Portable Generator has no AC output?
- M
  Michelle MelendezAug 12, 2025
  If your Firman Portable Generator engine is running but there's no AC output, the issue could stem from a few things. First, check if the circuit breaker is open and reset it. Also, there may be a poor connection or a defective cord set, so check and repair if needed. Finally, ensure the connected device is in good working order by connecting another device that is known to be functional.
T
Tamara MillerAug 18, 2025
Why does my Firman P03504 lack power?
- J
  Julie PalmerAug 18, 2025
  If your Firman Portable Generator engine lacks power, it might be due to several reasons. Check if the load is too high and avoid overloading the generator. Replace the air filter if it's dirty. Clean or replace the fuel filter if it's clogged or dirty. Also, clean or replace the spark arrester if it's clogged.
T
thomasnicoleAug 23, 2025
What to do if my Firman P03504 Portable Generator bogs down under load?
- R
  ramirezchristopherAug 23, 2025
  If the Firman Portable Generator engine runs well without a load but bogs down when loads are connected, several factors could be at play. A short circuit in a connected load might be the cause, so disconnect any electrical loads that may be shorted. Additionally, a clogged or dirty fuel filter can cause this issue, so clean or replace the fuel filter.
D
Douglas ChaneyAug 29, 2025
Why does my Firman P03504 Portable Generator engine shut down?
- K
  Kathy WalkerAug 29, 2025
  If your Firman Portable Generator engine shuts down while running, it could be due to a few reasons. Make sure the fuel tank is filled with gasoline. Check the air cleaner and clean or replace it if it's dirty. Also, verify the oil level and fill the crankcase to the proper level, ensuring the generator is on a level surface.

Firman P03504 Specifications

General

Type	Portable Generator
Fuel Type	Gasoline
Engine Displacement	208cc
Starting System	Recoil Start
Running Watts	3000 Watts
Noise Level	68 dBA
AC Output	120V
DC Output	12V
Engine Type	4-Stroke OHV
Outlet Types	2x 120V 20A (5-20R), 1x 120V 30A (L5-30R), 1x 12V DC

Summary

Introduction

Manual contains safety info and instructions for operating the generator.

Signal Words

Defines DANGER, WARNING, CAUTION, NOTICE and associated safety symbols.

System Ground

Explains generator neutral grounding and its implications for devices like GFCI.

Compliance Requirements

Notes on Federal, State, and local regulations applicable to generator use.

Extension Cord Safety

Guidelines for selecting and using extension cords with the generator.

Features and Controls

Generator Components Overview

Identifies key parts of the generator with numbered labels.

Generator Component Diagrams

Provides visual diagrams of the generator's layout and parts.

Safety Warnings and Precautions

Details critical safety advice for operating the generator safely.

Fuel Level and General Safety

Covers fuel handling safety and general operational hazards.

Control Panel Layout and Functions

Explains the purpose and operation of each control panel component.

Operation

Safe Generator Location

Instructions for safely positioning the generator outdoors to prevent CO poisoning.

Reducing Fire Risk

Guidelines to prevent fires caused by generator exhaust and heat.

Adding Engine Oil

Procedure for checking and adding the correct type and amount of engine oil.

Low Oil Shutdown Feature

Explains the automatic engine shutdown due to low oil levels.

Adding Gasoline

Instructions for safely refueling the generator with unleaded gasoline.

Operation at High Altitude and Ambient Conditions

Guidance for operating the generator in high altitude or high temperature environments.

Starting the Generator

Step-by-step procedure for starting the generator engine.

Generator Startup Procedure

Completes the starting process and initial stabilization before load connection.

Connecting Electrical Loads

Instructions for safely connecting devices to the generator's outlets.

CO Alert System

Details the carbon monoxide shutdown system and indicator light.

Stopping the Generator

Procedure for safely shutting down the generator and disconnecting loads.

Generator Shutdown Procedure

Completes the shutdown process by turning off the engine and fuel valve.

Maintenance and Storage

Maintenance Schedule

Provides a detailed schedule for routine maintenance tasks.

Engine Oil Maintenance

Instructions for changing the engine oil, including precautions.

Air Filter Maintenance

Procedure for cleaning or replacing the air filter element.

Spark Plug Maintenance

Guidance on inspecting, cleaning, and adjusting the spark plug.

Muffler and Spark Arrester Maintenance

Instructions for inspecting and cleaning the muffler and spark arrester.

General Generator Cleaning and Inspection

Daily and pre-use checks for the generator's exterior and components.

Long Term Storage Procedures

Steps for preparing and storing the generator for extended periods.

Troubleshooting and Specifications

Troubleshooting Common Issues

Lists common problems and their solutions for generator operation.

Generator Specifications

Technical details and ratings for the generator model P03504.

Parts Diagram and Part List

Overall Generator Parts Diagram

Visual breakdown of the generator's components with part numbers.

Engine Parts Diagram

Detailed diagram of the engine components and their assembly.

Complete Parts List

Comprehensive list of all generator parts with part numbers and quantities.

Wiring Diagram

Schematic showing electrical connections and components of the generator.

Service and Warranty

Ordering Replacement Parts

Information on how to identify and order necessary replacement parts.

FIRMAN 3-Year Limited Warranty

Details the warranty coverage, qualifications, and terms.

Warranty Limitations and Exclusions

Defines what is not covered by the warranty and usage limitations.

Contact Information

Details on how to contact FIRMAN for support and service.

Emission Control System Warranty

Explains the warranty coverage for emissions-related components.

Emissions Warranty Parts and Limitations

Lists covered parts and limitations for the emissions control system warranty.

Related product manuals

Firman P03504 User Manual

Table of Contents

Questions and Answers:

Firman P03504 Specifications

Summary

Introduction

Introduction

Signal Words

System Ground

Compliance Requirements

Extension Cord Safety

Features and Controls

Generator Components Overview

Generator Component Diagrams

Safety Warnings and Precautions

Fuel Level and General Safety

Control Panel Layout and Functions

Operation

Safe Generator Location

Reducing Fire Risk

Adding Engine Oil

Low Oil Shutdown Feature

Adding Gasoline

Operation at High Altitude and Ambient Conditions

Starting the Generator

Generator Startup Procedure

Connecting Electrical Loads

CO Alert System

Stopping the Generator

Generator Shutdown Procedure

Maintenance and Storage

Maintenance Schedule

Engine Oil Maintenance

Air Filter Maintenance

Spark Plug Maintenance

Muffler and Spark Arrester Maintenance

General Generator Cleaning and Inspection

Long Term Storage Procedures

Troubleshooting and Specifications

Troubleshooting Common Issues

Generator Specifications

Parts Diagram and Part List

Overall Generator Parts Diagram

Engine Parts Diagram

Complete Parts List

Wiring Diagram

Service and Warranty

Ordering Replacement Parts

FIRMAN 3-Year Limited Warranty

Warranty Limitations and Exclusions

Contact Information

Emission Control System Warranty

Emissions Warranty Parts and Limitations

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