polaris-supernova-800-1200-parts维修零部件手册

SUPERNOVA 800&1200VACUUM VALVE AND BRUSH MOTOR REVERSE SWITCHADJUSTMENT PROCEDURESVACUUM VALVE PULL CABLE ADJUSTMENT1.Drain the solution tank,and remove the recovery pails from the machine.2.Make sure the power cord is unplugged from the power receptacle.3.Shift the direction control lever arm to the up (backward)position.4.Open the machine's motor housing by actuating the latch handle lever and lifting the motorhousing from the front.5.To MOVE THE VACUUM VALVE,item (8),UP:Step 1.Loosen the lower pull cable jacket nut,item(4).Step 2.Tighten upper pull cable jacket nut,Item(2),until the desired position is reached.[Inits normal position,the upper edge of the spring bracket,item(5),is flush with theupper edge of the vacuum valve guide,item (6).]Step 3.Retighten lower cable jacket nut,item (4).6.To MOVE THE VACUUM VALVE,item(8),DOWN:Step 1.Loosen the upper cable jacket nut,item(2),until the vacuum valve,item(8),reachesthe desired position.Step 2.Tighten the lower cable jacket nut,item(4).BRUSH MOTOR REVERSING SWITCHES ADJUSTMENT1.Drain the solution tank,and remove the recovery pail from the machine.2.Make sure the power cord is unplugged from the power receptacle.3.Shift the direction control lever arm to the up (backward)position.4.Adjust the pull cable,if required,to insure that the vacuum valve is in the correct position.(Seevacuum valve pull cable adjustment procedure.)5.Make the adjustment:Step 1.Slightly loosen the two switch nuts,item(7),located on the switch bracket,item(9).Step 2.Rotate the three switches by pushing their bodies,item (11),toward the timing barplate,item(27),until the switch actuating arm rollers,item (10),touch the timing barplate,Item(27).Step 3.While holding the switches,item(11),in position,retighten the two switch nuts,item(7).Page 10