Knife Maintenance
Draper Clinic Handout
12
Find your operators manual at: www.macdon.com/support/operators-manuals
Knife Hold Down Adjustment
• Check hold downs every 10 hrs or daily.
• Hold down clearance 0.004 - 0.024in. (0.1 - 0.6mm)
Double Knife Center Guard Adjustment
• Check clearance periodically.
• If required (crop stripping) adjust clearance to
0.004-0.016 in. (0.1-0.4mm) at guide tip 0.004-
0.040 in. (0.1-0.4mm) at rear of guide.
• Torque nut s (B) to 53f t -lbs.
Adjusting Feed Draper Tension
• Check that Draper is engaged properly in groove
of drive roller.
• Hold nut (B) with wrench and turn bolt (C)
clockwise to increase tension and
counterclockwise to decrease tension.
• Adjust both sides equally.
• Correct tension is when retainer (D) is flush with
spring holder, and bolt (E) is free.
• Tension sh ould be j ust enou gh t o pr event slipping
and keep draper from sagging below cutterbar.
Please Refer to Maintenance and Servicing Section of Operators Manual
Please Refer to Maintenance and Servicing Section of Operators Manual
Adjusting Center Feed Draper Tension