Dynojet 248: Maintenance Guide - Manual (Page 15)

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
11
4 Slowly lower the pressure using the regulator.
The air can rod will retract from the tube.
Note: Verify the rod does not bind on the tube.
Figure 8: 224 SAAR Brake—Retract the Air Can Rod from the Tube
air can rod
tube
regulator