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Ingersoll-Rand 7/26E - User Manual

Ingersoll-Rand 7/26E
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Operation & Maintenance Manual
7/26E, 7/31E, 7/41, 7/51
Utility Equipment
P.O. Box 868 - 501 Sanford Ave
Mocksville, N.C. 27028
Book: 22221949 (12-15-06) Rev. A
7/26E Serial No.: 107000 ->
7/31E Serial No.: 318000 ->
7/41 Serial No.: 421500 ->
7/51 Serial No.: 442000 ->
This manual contains important safety information.
Do not destroy this manual.
This manual must be available to the personnel who operate and maintain this machine.
Doosan purchased Bobcat Company from Ingersoll-Rand Company in
2007. Any reference to Ingersoll-Rand Company or use of trademarks,
service marks, logos, or other proprietary identifying marks belonging
to Ingersoll-Rand Company in this manual is historical or nominative
in nature, and is not meant to suggest a current affiliation between
Ingersoll-Rand C
ompany and Doosan
Company or the products of
e
ith
er.
Revised (10-12)

Table of Contents

Other manuals for Ingersoll-Rand 7/26E

Questions and Answers

  • F
    Felicia VelezAug 15, 2025
    What to do if the starter turns but the Ingersoll-Rand 7/26E engine does not fire?
    • J
      Jennifer JonesAug 15, 2025
      If the starter turns but the Ingersoll-Rand Air Compressor engine doesn't fire, several factors could be at play. It could be due to no fuel injection, in which case you should check for an engine stop solenoid malfunction. Alternatively, the fuel tank might be empty, requiring a refill. A clogged fuel filter element could also be the culprit, necessitating its replacement. Air trapped in the fuel system can also prevent the engine from firing, so bleed the fuel system. Finally, the control rack might be stuck, requiring adjustment.
  • B
    bwintersAug 18, 2025
    Why is my Ingersoll-Rand 7/26E Air Compressor engine malfunctioning in high speed range?
    • A
      andrew32Aug 18, 2025
      If your Ingersoll-Rand Air Compressor engine malfunctions in the high speed range, several issues could be the cause. There might be an insufficient fuel supply, so you should check it. Air in the fuel system can also cause problems, so bleed the fuel system. A clogged fuel filter element can restrict fuel flow, so replace the fuel filter. Inspect and repair any piping failures that may be present. Ensure even fuel injection between cylinders by balancing fuel injection. Replace a deteriorated governor spring. Also, incorrect valve clearance adjustment or a deteriorated valve spring can affect performance, so adjust the valve clearance and replace the valve spring if needed.
  • J
    John SmithAug 21, 2025
    How to troubleshoot Ingersoll-Rand Air Compressor when engine does not start?
    • T
      timothywallAug 22, 2025
      If the Ingersoll-Rand Air Compressor engine doesn't start, begin by checking the battery. Then, inspect the cable connections. If those aren't the issue, test the starter and switch. Finally, examine the safety relay.
  • O
    owalkerAug 25, 2025
    Why is the Ingersoll-Rand 7/26E Air Compressor engine speed stuck at high idle?
    • S
      Sheila BerryAug 26, 2025
      If the Ingersoll-Rand Air Compressor engine speed is stuck at high idle, inspect the engine control for restrictions or seizure.
  • J
    Jeanne JonesAug 28, 2025
    What to do if fuel is injected but the Ingersoll-Rand Air Compressor engine does not fire?
    • P
      Patrick StewartAug 28, 2025
      If fuel is being injected but the Ingersoll-Rand Air Compressor engine still won't fire, start by reviewing the preheating procedure. A faulty air heater could also be the problem, so replace it. Incorrect injection timing can prevent ignition, so adjust it. Low cylinder compression pressure can also be a factor, so test the cylinder compression. Finally, make sure the engine stop solenoid is fully returned; inspect it if necessary.
  • B
    Barry BrownAug 31, 2025
    Why does my Ingersoll-Rand Air Compressor engine fire but stall immediately?
    • Y
      yhernandezAug 31, 2025
      If your Ingersoll-Rand Air Compressor engine fires but stalls immediately, it could be due to air in the fuel system, so bleed the fuel system. Alternatively, the low idle speed adjustment might be incorrect, so adjust the low idle speed.
  • S
    shallSep 3, 2025
    Why is my Ingersoll-Rand 7/26E Air Compressor engine running unstable?
    • E
      Elizabeth MurraySep 4, 2025
      If the Ingersoll-Rand Air Compressor engine is running unstably, several things could be the cause. Unstable low idling can lead to this issue, so adjust the low idling. A crack in the injection pipe can also cause instability, so inspect the injection pipe. Test and replace the injection nozzle if it has failed. Examine the solenoid return for any issues. Finally, check the compression pressure, as uneven compression between cylinders can cause unstable running.
  • M
    Megan ValenciaSep 7, 2025
    What causes incorrect high idle speed adjustment in Ingersoll-Rand Air Compressor?
    • S
      Stephanie EllisSep 7, 2025
      If the high idle speed adjustment is incorrect on your Ingersoll-Rand Air Compressor, calibrate the control lever. If the problem persists, the governor may have an internal malfunction, requiring you to service the governor.
  • C
    charlessawyerSep 12, 2025
    Why is the Ingersoll-Rand 7/26E engine hunting in medium speed range?
    • T
      Toni HaasSep 12, 2025
      If the Ingersoll-Rand Air Compressor engine is hunting in the medium speed range, it's likely that the governor spring has deteriorated, so replace the governor spring.

Summary

Foreword and Manual Scope

Ingersoll Rand Compressor Warranty

General Warranty Terms

Ingersoll Rand warrants equipment free of defects in material and workmanship.

Specific Equipment and Extended Warranties

Warranty periods for various equipment types and extended airend coverage.

Warranty Registration Process

Instructions for machine and engine warranty registration.

Safety Decals and Warnings

ISO Safety Symbols Guide

Meaning and graphical representation of international safety symbols.

Machine Operation Warnings

General warnings for safe machine operation and maintenance.

North American Safety Signage

Hazard identification signs for the North American market.

Noise Emission Control System

Tampering Prohibition and Warranty

Legal prohibitions against tampering with noise control systems.

Noise Emission Maintenance Schedule

Schedule for maintenance tasks related to noise control.

Machine Specifications and General Data

Machine Dimensions and Diagrams

Visual representations and dimensional data for different models.

Compressor and Engine Specifications

Key performance data for compressors and engines.

Sound Level Data

Measured noise output levels for the machine.

Operating Instructions

Commissioning and Setup Procedures

Initial setup and preparation steps before operation.

Pre-Operation Checks

Essential checks and fluid levels before starting the machine.

Starting, Stopping, and Emergency Procedures

How to start, stop, and handle emergency situations.

Monitoring During Operation

Checks and observations during machine operation.

Maintenance Schedule and Component Service

Routine Maintenance Schedule

Intervals for routine checks and replacements.

Protective Shutdown System Overview

Description of safety shutdown components and their function.

Specific Component Maintenance Tasks

Step-by-step service procedures for key machine parts.

Engine Maintenance Schedule and Explanations

Engine-specific service plan and detailed explanations.

Electrical System Diagrams

Main Electrical Schematics and Key

Wiring diagrams and component key for the machine's electrical system.

Lighting System Schematics

Diagrams for European CE and American SAE lighting circuits.

Piping and Instrumentation System Diagram

System Diagram and Component Key

Visual representation of fluid and air paths with component identification.

Fault Finding and Troubleshooting Guide

Engine Troubleshooting

Common engine issues, their causes, and recommended remedies.

Generator Troubleshooting Guide

Common generator issues, their causes, and recommended remedies.

Optional Features and Engine Details

Lubricator System Operation

Details on the lubricator system's function and maintenance.

Generator (WDG) Operation Guide

Instructions for operating the generator module.

Detailed Engine Specifications

Comprehensive data and specifications for the engine models.

Ingersoll-Rand 7/26E Specifications

General IconGeneral
Model7/26E
CategoryAir Compressor
Operating Pressure7 bar
Voltage400 V
Free Air Delivery2.6 m3/min
Air Delivery2.6 m³/min
Phase3

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