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68OMCE-10/01-350
18
Engine will not start Turn ignition switch to on
Ensure that there is sufficient gasoline (petrol) in the tank
Make sure safety switch is making contact and mowing clutch is down
Look for a loose wire on Ignition or spark plug wire not connected
Operator must be positioned on seat to depress presence switches
Interlock system inoperative—check wiring, see Figure K
Tractor will not move Gear selector must be in one of the drive positions
forward 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 shafts
If everything above is OK, check for a damaged gear in the gear box
Tractor will not move Same as above. If all of the above check OK, check the reverse gear in the
rearward gear box
Tractor 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 tightening
Visually check that both the drive pulleys and the shafts are rotating
Cutting units will not turn. Clutches may not be engaged
Look for anything that could be jammed between the reel and the bed knife
Drive belts or drive chains may need tightening
Visually check that both the drive pulleys and the shafts are rotating
Units will not stop turning Disengage all clutches
Uneven cut Height of cut not the same on each cutting unit (see page 16)
Check to see if any part is bent
Something jammed in cutting unit pivots, not allowing them to float
Cutting Units
Situation Things To Check
All 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 Check
Tractor Unit
TROUBLE-SHOOTING
Electrical System (DL 68" only)
Check wiring connections and switch operation—see Figure 9, page 34