Bush Hog RFM 60 manual Blade Replacement, Troubleshooting, Wear Heavy Work Gloves to PRO

4-5 BLADE REPLACEMENT					Figure 4-4 Blade Placement
	WEAR HEAVY WORK GLOVES TO PRO-				Spindle Assembly
			CAUTION
	TECT HANDS	FROM SHARP EDGES.
A. Raise cutter using tractor 3-point lift and
SECURELY BLOCK INTO POSITION.
key.B. Turn off tractor, set parking brake and remove
C. Remove bolt and cup washer securing blade
							Blade
to spindle. Remove blade.
D. Install new blade as shown in Figure 4-4 with
concave side of cup washer against blade. Be sure								Cup Washer
that blades are installed with offset in proper direc-
tion. Tighten retaining bolt to 76 ft./lbs.						Retaining Bolt
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.				Adjust belt per
				Belt slipping.
				Worn or bent blade(s).				paragraph 4-3.
								Replace blade(s).
Streaking or Windrowing				Possible build-up				Clean cutter.
				of material under
				cutter.				See SECTION III.
				Cutter not level.
				Worn blades.				Replace blades.
				Belt slipping.				Adjust belt per
								paragraph 4-3.
Noisy Cutter				Loose components.				Check all bolts for
				Low oil in gearbox.				tightness.
								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.				Replace blades.
				Blade(s) bent.
				Foreign object wrapped				Remove object.
				around spindle or blade.

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