Ingersoll-Rand 4IRI8T User Manual

1
Ingersoll-Rand Engine
Workshop Manual
Model Series
3IRH2N 3IRH8N
4IRH8N 4IRI8N
4IRI8T
Ingersoll-Rand
Portable Power
P.O. Box 868 – 501 Sanford Ave
Mocksville, N.C. 27028 P/N 22333660 (8/03)
Revised (10-12)
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.

Ingersoll-Rand 4IRI8T Specifications

General

Brand	Ingersoll-Rand
Model	4IRI8T
Category	Engine
Language	English

Summary

Safety Labels

Safety Precautions

1. Service Area

Precautions for the work environment, including ventilation and lighting.

2. Work - Wear (Garments)

Precautions for Service Work

1. Precautions for Safety

Emphasizes reading and adhering to all safety precautions.

2. Preparation for Service Work

2. Inspection and Adjustment

2.1 Periodic Maintenance Schedule

Provides a schedule for periodic engine inspections and maintenance.

2.2 Periodic Inspection and Maintenance Procedure

Details procedures for periodic engine checks and maintenance.

2.2.2 inspection after initial 50 hours operation

2.2.3 Inspection every 50 hours

2.2.4 Inspection every 250 hours or 3 months

2.2.5 Inspection every 500 hours or 6 months

2.2.6 Inspection every 1,000 hours or one year

2.2.7 Inspection every 2000 hours or 2 years

2.3 Adjusting the no-load maximum or minimum speed

2.4 Sensor Inspection

2.5 Water Leak Check in Cooling Water System

2.8 Adjusting Operation

3. TROUBLESHOOTING

3.1 Preparation before troubleshooting

Outlines essential steps for preparing to troubleshoot engine issues.

3.2 Quick Reference Table for Troubleshooting

A table summarizing common trouble symptoms and their causes.

3.3 Troubleshooting by measuring Compression Pressure

4. Disassembly, Inspection, and Reassembly of Engines

4.1 Complete Disassembly and Reassembly

Details the overall process for disassembling and reassembling the engine.

4.1.3 Complete disassembly

4.1.4 Precautions before and during Reassembly

4.2 Cylinder Head: Disassembly, Inspection, and Reassembly

4.2.2 Disassembly Procedure

Provides a step-by-step guide for disassembling the cylinder head.

4.2.3 Reassembly Procedure

Outlines the procedure for reassembling the cylinder head.

4.2.4 Servicing Points

4.2.5 Parts Inspection and Measurement

(13) Cylinder head

4.2.6 Valve seat correction

4.2.7 Valve guide replacement

4.2.8 Valve stem seal replacement

4.3 Gear Train and Camshaft

4.3.2 Disassembly Procedure

Provides steps for disassembling the gear train and camshaft.

4.3.3 Reassembly Procedure

Outlines the procedure for reassembling the gear train and camshaft.

4.3.4 Servicing Points

4.3.5 Parts Inspection and Measurement

(22) Camshaft

4.4 Cylinder Block

4.4.2 Disassembly Procedure

Provides steps for disassembling the cylinder block.

4.4.3 Reassembly Procedure

Outlines the procedure for reassembling the cylinder block.

4.4.4 Servicing Points

4.4.5 Parts Inspection and Measurement

(25) Cylinder block

(26) Crankshaft

Inspection of crankshaft for wear, cracks, and bends.

(28) Piston

(c) Piston ring, ring groove and end clearance measurement

(29) Connecting Rod

4.4.6 Cylinder bore correction

5.4 Servicing Points

5.5 Parts Inspection and Measurement

5.5.1 Trochoid Pump Inspection and Measurement

Procedures for inspecting and measuring trochoid pump components.

6.4 Servicing Points

7. Fuel Injection Pump/Governor

7.2 Fuel Injection Pump

Details the fuel injection pump system.

7.2.3 Disassembly Procedure

Provides steps for disassembling the fuel injection pump.

7.2.4 Assembly Procedure

7.2.5 Servicing Points

8. Turbocharger: Disassembly, Inspection, and Reassembly

8.1 Structure and Functions

8.2 Service Standards and Tightening Torque

Provides service standards and tightening torques for turbocharger components.

8.3 Periodic Inspection Procedure

Outlines periodic inspection intervals for the turbocharger based on application.

8.3.2 Inspection procedure

8.3.3 Waste gate valve adjustment procedure

(45) Method for checking the waste gate valve opening pressure and lift

8.4 Disassembly Procedure

8.4.3 Disassembly

Step-by-step instructions for turbocharger disassembly.

8.5 Washing and Inspection Procedure

8.5.2 Inspection procedure

Outlines inspection procedures for various turbocharger components.

8.6 Reassembly Procedure

8.6.2 Reassembly

Details the steps for reassembling the turbocharger.

8.7 Handling after Disassembly and Reassembly

8.7.1 Instructions for turbocharger installation

Specific instructions for installing the turbocharger.

8.8 Troubleshooting

8.8.1 Excessively Exhaust Smoke

8.8.2 White Smoke Generation

8.8.3 Sudden Oil Decrease

Covers troubleshooting steps for sudden oil loss.

9. Service Standards

9.1 Engine Tuning

9.2 Engine Body

(2) Crankshaft

(4) Piston and ring

(5) Connecting rod

9.3 Lubricating Oil System (Trochoid Pump)

10. Tightening Torque for Bolts and Nuts

10.1 Tightening Torques for Main Bolts and Nuts

10.2 Tightening Torques for Standard Bolts and Nuts