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Simpson SCGH5500 - User Manual

Simpson SCGH5500
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Part Number 7115316 / ENGLISH REV F - 07/22/2021
Models covered: SCGH5500 / SCGH8500 / SCGH8500E
SAVE THIS MANUAL FOR FUTURE REFERENCE
USE AND CARE MANUAL
GENERATOR
READ THIS MANUAL CAREFULLY BEFORE OPERATION
Failure to follow the instructions and safety precautions in this manual can result
in property damage, serious injury and/or death.
NOTE: Photographs and line drawings used in this manual are for
reference only and may not represent your specic model.

Table of Contents

Questions and Answers

  • H
    hansonbruceAug 13, 2025
    What to do if my Simpson Inverter generator has no output?
    • S
      Sara NunezAug 13, 2025
      If your Simpson Inverter generator has no output, it could be due to several reasons. First, ensure all devices are unplugged and reset all circuit breakers to the ON position. Another potential cause is a device or cord failure; unplug the device and inspect the cord and device for any damage or loose connections. If these steps don't resolve the issue, the generator may need servicing by an authorized service center.
  • E
    Eric ScottAug 17, 2025
    What to do if fuel is old or stale in my Simpson Inverter?
    • R
      Robert WarrenAug 17, 2025
      If the fuel in your Simpson Inverter is old or stale, remove the old fuel and replace it with fresh fuel.
  • I
    Isaiah HensleyAug 20, 2025
    What to do if fuel is not reaching carburetor in my Simpson Inverter?
    • S
      Steve TuckerAug 20, 2025
      If fuel is not reaching the carburetor in your Simpson Inverter, turn the fuel valve to the ON position.
  • G
    ggeorgeAug 25, 2025
    What to do if the engine control switch is in the OFF position in my Simpson Inverter?
    • Y
      yscottAug 25, 2025
      If the engine control switch is in the OFF position, turn it to the ON position.
  • M
    Mr. Dillon Hoffman MDAug 27, 2025
    What to do if my Simpson Inverter has low engine oil?
    • H
      Henry JohnsonAug 27, 2025
      If your Simpson Inverter has low engine oil, check the oil level and fill as needed, referring to the engine manual for specific instructions.
  • J
    Jerry CraigAug 31, 2025
    What to do if the choke is not set correctly on my Simpson Inverter?
    • J
      James FloresSep 1, 2025
      If the choke is not set correctly on your Simpson Inverter, set the choke following the instructions in the OPERATING CHECKLIST section of this manual.
  • W
    William CoxSep 4, 2025
    What to do if my Simpson Inverter spark plug is in bad condition?
    • J
      Justin YorkSep 4, 2025
      If the spark plug in your Simpson Inverter is in bad condition, inspect, clean, set the gap, or replace the spark plug according to the engine manual.
  • B
    bgreerSep 8, 2025
    What to do if my Simpson Inverter has an empty fuel tank?
    • E
      Emily WellsSep 8, 2025
      If your Simpson Inverter has an empty fuel tank, add fuel to the tank as described in the OPERATING CHECKLIST section of this manual.

Summary

SAFETY INSTRUCTIONS

Crucial Safety Instructions

Emphasizes reading the manual, following additional safety rules, and understanding warnings for safe operation.

Hazard Alert Symbols Explained

Details the meaning of DANGER, WARNING, CAUTION, and NOTICE symbols for hazard severity.

Emission Information and Compliance

Generator emission standards compliance and relevant regulatory information.

Special Operational Requirements

Local registration, construction site rules, and OSHA regulations applicable to generator use.

DISCLAMERS

ASSEMBLY

Unpacking and Wheel Installation

Step-by-step guide for unpacking the generator and attaching the wheels.

Support Bracket Assembly

Instructions for assembling and installing the generator's support bracket.

Battery Connection for Electric Start

Procedures for connecting the battery, including essential acid safety precautions.

COMPONENT LOCATION

HOUR METER

Hour Meter Functionality

Explanation of the hour meter's purpose, icon, and digital display.

IDLE CONTROL

Idle Control System Explained

Details the idle control feature, benefits, and operation.

CONTROL PANELS

SCGH5500 Control Panel Overview

Identification and function of controls on the SCGH5500 panel.

SCGH8500 Control Panel Overview

Identification and function of controls on the SCGH8500 panel.

SCGH8500 E Control Panel Overview

Identification and function of controls on the SCGH8500E panel.

OPERATING CHECKLIST

Generator Location and Placement

Guidelines for safe placement in well-ventilated areas, considering air currents.

Pre-Operation Checks and Safety

Inspecting for damage, safety warnings for users, hot surfaces, and moving parts.

Fuel Checking and Refueling Safety

Procedures for checking fuel, safe refueling practices, and fuel quality advice.

Grounding and Electrical Connection

Importance of grounding and warnings against backfeeding when connecting to buildings.

STARTING

Generator Starting Procedure

Steps for starting the generator, including fuel valve, choke, and idle control.

Starting Methods and Kickback Warning

Instructions for electric/manual start and warning about recoil starter kickback.

CONNECTING DEVICES

Connecting Devices Safely

How to safely connect electrical devices, including cord inspection and device state.

Generator Load Capacity Explained

Understanding device wattage, surge watts, and total load for generator output.

SHUTTING OFF GENERATOR

Generator Shutdown Process

Steps to safely shut down the generator, including unplugging devices and turning off the engine.

MAINTENANCE

Generator Maintenance and Cleaning

Procedures for general generator maintenance and safe cleaning methods.

Battery and Idle Adjustment Maintenance

Battery care for electric start models and warnings regarding engine idle adjustment.

TROUBLESHOOTING

Generator Troubleshooting

Common issues with generator output, causes, and solutions.

Engine Troubleshooting

Common engine starting problems, causes, and solutions.

STORAGE AND TRANSPORTATION

Short-Term Generator Storage

Guidelines for storing the generator for up to two months, including fuel stabilization.

Long-Term Generator Storage

Procedures for storing the generator for over two months, including fuel draining.

Safe Generator Transportation

Precautions for transporting the generator, including fuel security and vehicle placement.

WIRING DIAGRAMS

SCGH5500 Wiring Diagram

Electrical schematic illustrating the wiring for the SCGH5500 model.

SCGH8500 Wiring Diagram

Electrical schematic illustrating the wiring for the SCGH8500 model.

SCGH8500 E Wiring Diagram

Electrical schematic illustrating the wiring for the SCGH8500E model.

SPECIFICATIONS

SCGH5500 Specifications

Technical specifications for the SCGH5500, including engine and generator set details.

SCGH8500 Specifications

Technical specifications for the SCGH8500, including engine and generator set details.

SCGH8500 E Specifications

Technical specifications for the SCGH8500E, including engine and generator set details.

Simpson SCGH5500 Specifications

General IconGeneral
BrandSimpson
ModelSCGH5500
CategoryInverter
LanguageEnglish