O-Rings and Torques

GENERAL:  This page is published for the information and guidance of personnel responsible for maintaining RSA Fuel Injection Systems.

All part numbers on this page are Precision Airmotive part numbers.

O-RING PART NUMBERS

MODEL

FUEL INLET FITTING

INLET FILTER

RSA-5AD1

951789

953541-10

RSA-7 951790 951392

RS/RSA-10

951790

951392

TORQUES

FUEL INLET FITTING

65-70 lb-in.

FUEL LINE (Union nut)

25-50 lb-in.

Torque in excess of 50 lb-in. may cause damage to the parts.

NOZZLE

60 lb-in.

Install nozzle in cylinder using a clean deep well 1/2 inch 6-point socket wrench.

The letter "A" stamped on one flat of the wrenching hex is located 180 degrees from the air bleed hole in the nozzle body.  On engines using primer ports to install nozzles, it is desirable to have the "A" toward the bottom, but the correct torque should take priority during installation.

For more training and troubleshooting information, go to the RSA Support page on our website.

 

 

 

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