of air to the motor by way of a spool valve aro offers two control systems · ... system to open and throttle the spool valve · pull chain systems operate in the ... control arm to open and close the spool valve ordering hoists · use the performance ... of the base model use the ordering guide to select the appropriate hoist ...
to order specify as option in ordering guide 20308-4 46098-1 20308-4 exhaust muffler ... port is 1/2 nptf 20417 quick exhaust valve for field conversion · all 7700 series ... desired also required are two 34026 valve caps two y325-116 o-rings two 38966 ...