National Mower Triplex-CE DL Owner's Manual

Contents

National Mower Triplex-CE DL Owner's Manual Manual pdf 18 page image

68OMCE-10/01-35018Engine will not start Turn ignition switch to onEnsure that there is sufficient gasoline (petrol) in the tankMake sure safety switch is making contact and mowing clutch is downLook for a loose wire on Ignition or spark plug wire not connectedOperator must be positioned on seat to depress presence switchesInterlock system inoperative—check wiring, see Figure KTractor will not move Gear selector must be in one of the drive positionsforward Engine drive clutch must be engaged (rearward and up)Drive belts too loose (see page 17)Visually check to see that pulleys are not slipping on shaftsIf everything above is OK, check for a damaged gear in the gear boxTractor will not move Same as above. If all of the above check OK, check the reverse gear in therearward gear boxTractor will not stop Ensure that the main clutch is disengaged (brake will not stop engine)Brake adjustment or service may be needed (see page 17)Wing and/or rear mow- Bed knife to reel position may be out of adjustment (see page 16)er will not cut Drive belts or drive chains may need tighteningVisually check that both the drive pulleys and the shafts are rotatingCutting units will not turn. Clutches may not be engagedLook for anything that could be jammed between the reel and the bed knifeDrive belts or drive chains may need tighteningVisually check that both the drive pulleys and the shafts are rotatingUnits will not stop turning Disengage all clutchesUneven cut Height of cut not the same on each cutting unit (see page 16)Check to see if any part is bentSomething jammed in cutting unit pivots, not allowing them to floatCutting UnitsSituation Things To CheckAll adjusting must be made with the engine off.Do not do any investigation of the working parts of the machine with the motor running.Always turn the engine off!Situation Things To CheckTractor UnitTROUBLE-SHOOTINGElectrical System (DL 68" only) Check wiring connections and switch operation—see Figure 9, page 34