Dynojet 248: Maintenance Guide - Manual (Page 13)

A U T O D Y N O M A I N T E N A N C E
Model 224 Dynos with Spring Applied Air Release (SAAR) Brake System
Version 3 Maintenance Guide for Automotive Dynamometers
9
5 If the brake shoe clearance is out of specification, loosen the upper nut on the air
can rod.
6 Adjust the lower nut until the brake shoes are .25 inch (6mm) away from the dyno
drum.
7 Tighten the upper nut on the air can rod down onto the brake actuating tube to
sandwich the tube between the two nuts.
8 Torque the lower nut to 110 foot-pounds.
If you cannot adjust the brakes to specification, you will need new brake shoes.
Contact Dynojet.
Figure 6: 224 SAAR Brake—Adjust the Brake Shoe Clearance
BR032
lower nut
air can rod
upper nut
brake actuating tube