Maintenance Guide Manual

AUTO DYNO MAINTENANCE

Model 224 Dynos with Spring Applied Air Release (SAAR) Brake System

Version 3 Maintenance Guide for Automotive Dynamometers

8 Remove each brake arm assembly.

Figure 11: 224 SAAR Brake—Remove the Brake Arm Assembly

9 Remove the cotter key from the brake arm assembly.

10 Remove the pin.

11 Remove the retainer and shoe.

12 Install the new brake shoe and replace the retainer.

Note: Verify the brake shoe is secure.

13 Replace the pin and cotter key.

Figure 12: 224 SAAR Brake—Replace the Brake Shoe

brake arm assembly

retainer

cotter key

brake shoe

cotter key

retainer