Automobile Accessories User Manual
DynoWare EX+ Upgrade For The Model 248 Dynamometer
A-1
A PPENDIX
A
P
ROPORTIONAL
 A
IR
 B
RAKE
 I
NSTALLATION
This appendix contains instructions for installing the proportional air (prop air) brake 
system to the model 248 automotive dynamometer (dyno). To ensure safety and 
accuracy in the procedures, perform the procedures as they are described.
PARTS LIST
The following table lists all of the parts included in the Proportional Air Brake 
Installation kit. Check your kit against the parts listed to make sure you have received 
all of the parts. If any part is missing, contact Dynojet Technical Support.
Figure A-1: Proportional Air Brake Components
part number description quantity
21619200 Temperature Sensor Bracket 1
31614100 DIN Rail 1
36560834 Screw, 1/4"-20 x 1/2", Button-head 4
44997101 Temperature Sensor 1
64111001 Prop Air Regulator Sub Assembly 1
64111002 Control Valve Sub Assembly (electronic pressure regulator, EPR) 1
prop air regulator 
assembly
DIN rail
temperature sensor
temperature sensor 
bracket
screws
control valve 
assembly (EPR)










