Bush Hog EFM 60 - Manual (Page 15)

4-6 TROUBLESHOOTING
Troubleshooting procedures are listed in Table 4-1 below. If the problem cannot be solved or replacement parts
are necessary, contact your authorized Bush Hog dealer. Please have ready your machine name, model num-
ber, serial number, purchase date and exact cause or description of problem.
Table 4-1 Troubleshooting
PROBLEM PROBABLE CAUSE REMEDY
Uneven Cut Cutter not level See SECTION III.
side to side or
front to rear.
Belt slipping. Adjust belt per
paragraph 4-3.
Worn or bent blade(s). Replace blade(s).
Streaking or Windrowing Possible build-up Clean cutter.
of material under
cutter.
Cutter not level. See SECTION III.
Worn blades. Replace blades.
Belt slipping. Adjust belt per
paragraph 4-3.
Noisy Cutter Loose components. Check all bolts for
tightness.
Low oil in gearbox. Check oil per paragraph 4-2.
Rapid Blade Wear Blade contacting Adjust cutting height to
(cutting edge) ground. eliminate ground contact.
Cutter Vibrating Cutter not being Set tractor throttle for
operated at rated proper PTO speed.
PTO speed.
Blade(s) bent. Replace blades.
Foreign object wrapped Remove object.
around spindle or blade.
4-5 BLADE REPLACEMENT
A. Raise cutter using tractor 3-point lift and
SECURELY BLOCK INTO POSITION.
B. Turn off tractor, set parking brake and remove key.
C. Remove bolt and cup washer securing blade to
spindle. Remove blade.
D. Install new blade as shown in Figure 4-2 with con-
cave side of cup washer against blade. Be sure that
blades are installed with offset in proper direction. Tighten
retaining bolt to 76 ft./lbs.
CAUTION
WEAR HEAVY WORK GLOVES TO PRO-
TECT HANDS FROM SHARP EDGES.