... height, rise etc.5.Attendant serviceUnder attendant service,all operation orders will be cancelled and all running of elevator ... counterFor convenient maintenance, there is a counter in the operation board of controller used to count the amount of ... : Step,Yellow decoration,Comb plate,Return chain,Step chain,Roller of step &chain,Guide roller,Tachometer roller,V-Belt pulley,Handrail,Inlet cover,Inlet ...