Technical Bulletin
Bulletin No.: PRO-03-13 Effective Date: 2/28/78 Cancels: N/A Page: 1 of 1
Subject: D-1 TO E-1 BRAKE VALVE CONVERSION
Remanufactured D-1 Brake Valves and D-1 service parts are no longer available;
however, in many cases a conversion to the E-1 can be made with only minor piping
changes.
The conversion list below covers the historically more popular D-1 Brake Valves.
D-1 Brake E-1 Brake
Valve *Type
Valve Adapter Required
223349 Treadle 228429 237221
223485 Treadle 228429 237221
223511 Basic 226944 None
223856 Treadle-Horizontal 228429 237221
Mounting Bracket
224156 Actuating Arm 228429 237079
224878 Lever 227282 None
225143 Treadle 228429 237221
*Treadle/lever assembly from D-1 must be re-used.
