Maintenance Guide Manual

Maintenance Guide for Automotive Dynamometers
AUTO DYNO MAINTENANCE
Model 224 Dynos with Spring Applied Air Release (SAAR) Brake System
10
CHANGING THE SAAR BRAKE SHOES
1 Apply air to the brake system.
Air pressure to the brake system must be maintained while changing the SAAR
brake shoes.
2 Release the brakes.
2a Turn on the dyno electronics.
2b Verify the brake button on the pendant is not lit.
3 Remove the nut from the bottom air can rod and set aside.
Figure 7: 224 SAAR Brake—Remove the Nut from the Bottom Air Can Rod
air can rod
nut