Perkins 2806F Engine Relay (ARD Nozzle Heater) Removal and Installation Guide

This guide provides detailed instructions for the removal and installation of the ARD nozzle heater relay on a Perkins 2806F engine. The steps outlined ensure a safe and efficient process, maintaining system integrity and functionality.

Related Content

Newest Perkins EST 2023A & 2019A Full Support Free Download
Perkins SPI2 Version 2018A Service & Parts Catalogue Software
Perkins EST Interface EST Diagnostic Adapter 2023A With WIFI

Removal Instructions:

1. Battery Disconnect:
   • Turn the battery disconnect switch to the OFF position to ensure safety.
   
2. Cable Straps Removal:
   • Cut and remove cable straps (3) from harness assembly (4).
   • Note the position of the cable straps to facilitate reassembly.
3. Unlock Harness Assembly:
   • Slide the locking tab of harness assembly (4) into the unlocked position.
4. Disconnect Harness:
   • Disconnect harness assembly (4) from the clean emission module’s harness assembly connection (5).
5. Remove Bolts and Spacers:
   • Remove bolts (1) and spacers, noting the position and orientation of any attached brackets.
6. Relay Assembly Removal:
   • Detach the relay assembly (2) from the bracket on the clean emission module.
7. Additional Steps if Necessary:
   • If needed, remove bolts (7) and bracket (6) from relay assembly (2).
   • Note the orientation of the bracket for reinstallation purposes.

Installation Procedure:

1. Inspect Components:
   • Ensure all components are clean and inspect for wear or damage. Replace any compromised parts.
   
2. Attaching Relay to Bracket:
   • Position relay assembly (2) onto bracket (6), ensuring correct orientation.
   • Secure by installing and tightening bolts (7) to 9 N·m (80 lb-in).
3. Attach Brackets:
   • Position brackets onto relay assembly (2) and install bolts (1) and spacers.
   • Confirm the correct position and orientation of the brackets.
4. Mount Relay Assembly:
   • Place the relay assembly (2) onto the bracket for the clean emission module, ensuring proper orientation.
5. Bolt Tightening:
   • Tighten the bolts to a torque of 12 N·m (142 lb-in).
6. Connect Harness Assembly:
   • Reconnect harness assembly (4) to harness assembly connection (5) for the clean emission module.
7. Cable Straps Installation:
   • Install new cable straps (3) on harness assembly (4), meeting OEM specifications.
8. Battery Reconnection:
   • Turn the battery disconnect switch to the ON position.

By carefully following these steps, the ARD nozzle heater relay on your Perkins 2806F engine can be safely removed and installed, ensuring optimal engine performance and compliance with emissions standards.

More trouble repair case for Perkins,pls refer to:Perkins Trouble Repair