i recently acquired a e15el4eeb motor.was checking it out and was wondering why on the carb.part number 5000278 — COVER, ACCELERATOR PUMp.there are no hoses coming off these?and also on the primer system cover there are 2 hoses on it one goes to carb and the other is blocked off?any help is appreciated.i will be going to buy a manual but right now i dont have one,so please bear with me.thank you