October 30, 2024
List Of Parts To Inspect & Clean For Oil Pumps In Detroit Diesel 71 Series Inline Engines (271, 371, 471, 671)
1. Gears (Drive and Driven Gears)
2. Oil Pump Housing
3. Relief Valve and Spring Assembly
4. Bushings
5. Screens and Additional Components (for Scavenging Models)
Cleaning Process for Oil Pump Parts
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October 30, 2024
Steps To Disassemble A 71 Series Inline Detroit Diesel Engine Oil Pump (271, 371, 471, 671)
1. Preparation and Initial Steps
2. Remove the Oil Pan
3. Detach the Oil Pump Assembly
4. Separate the Drive and Driven Gears
5. Disassemble the Relief Valve Assembly
6. Disassemble Additional Components in Marine or Inclined Models
7. Inspect and Organize Components
8. Document Any Model-Specific Adjustments
Reassembly Preparation
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October 29, 2024
Making Sure Your Engine Does Not Leak After Assembly (Detroit Diesel 71 Series Inline Engines)
Use the Correct Sealant
Install New Gaskets
Gaskets & Seals For Detroit Diesel 71 Series Inline Engines (271, 371, 471, 671)
Ensure Proper Mating of Surfaces
Final Checks for Leaks
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October 29, 2024
Torque Specs For Detroit Diesel 71 Series Inline Engines (271, 371, 471, 671)
The Importance of Following Torque Specifications
Use a Torque Wrench
Follow Manufacturer’s Guidelines
Tighten in Stages
Comprehensive Torque Specifications
Detroit Diesel 2-71 Torque Specifications
Detroit Diesel 2-71 Pipe Plug Torque Specifications
Detroit Diesel 2-71 Stud Torque Specifications
Torque Specifications For Detroit Diesel Series 71 (Inline Except 2 Cylinder)
Torque Specs For Detroit Diesel Series 71 (Inline Except 2 Cylinder) Pipe Plug
Torque Specs For Detroit Diesel Series 71 (Inline Except 2 Cylinder) Stud
Final Checks
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October 28, 2024
Detailed Guidance on How to Properly Reassemble Components For Series 71 Inline Engines (271, 371, 471, 671)
1. Cleanliness and Preparation
2. Component Inspection
3. Reassembling Fuel Lines
4. Reinstalling the Exhaust Manifold
5. Reassembling the Cylinder Head
The Importance of Following Torque Specifications
Use a Torque Wrench
Follow Manufacturer’s Guidelines
Tighten in Stages
Comprehensive Torque Specifications:
1. Cylinder Head Bolts
2. Main Bearing Cap Bolts
3. Connecting Rod Bolts
For Two-Piece (Crosshead) Piston:
4. Injector Clamp Bolts
5. Rocker Arm Shaft Bracket Bolts
6. Flywheel Housing Bolts
7. Exhaust Manifold Bolts
8. Oil Pump Mounting Bolts
9. Crankshaft Pulley Bolt
10. Water Pump Mounting Bolts
Overtightening and Undertightening
Final Checks
Recommended Sealants and Techniques to Prevent Leaks After Assembly
Use the Correct Sealant
Install New Gaskets
Ensure Proper Mating of Surfaces
Final Checks for Leaks
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