To convert single end porting, remove access pipe plug fitting from the opposite head assembly that the air lines will be installed into. Then remove the internal port pipe plug. Reinstall access pipe plug into the bottom of the head. Remove pipe plug from the head that the air lines will be installed.
NOTE: Standard porting may be field converted to ported from left or ported from right. For complete instructions, refer to the part sheet for the appropriate model in the Resources area.