BlueBird SC550A_968999351 - Manual (Page 40)

40
TROUBLESHOOTING
PROBLEM ANSWER/COMMENT
Blade Replacement 1. Replace when worn to 1 1/2” from the cutting edge to the
back edge.
2. Sharpen blade from top only. Maintain a flat lower surface.
3. Sharpen sides of blades from outside only.
Blade doesn’t move or stops cutting 1. If the operator tries to cut deeper than 2 1/2”, pivoting the
machine back on its rear wheels while cutting can cause
machine to cut too deeply.
2. Make sure the blade is sharp.
3. Moisture, oil or grease on the belt will cause it to slip.
Replace with a BlueBird belt.
4. Tension can be increased by tightening the Cable Tension
Nut.
WARNING: Before servicing unit, engine MUST be off.
Blade not disengaging New Unit or New Belt:
1. Run the machine with the blade engaged until the belt
stretches.
Used Unit or Old Belt:
1. Be sure the correct BlueBird belt is being used. If not,
replace with a BlueBird belt. (Very Important!)
2. Belt Idler Pivot Bolt may be too tight or need lubrication.
3. Belt Idler Return Spring may be broken or came off
anchors. Reattach or replace as necessary.
Belt coming off 1. RPM may be too high. Set to 3000 RPM.
2. Replace the Belt Idler Pulley Arm if it is bent.