Main Drive Friction Slip Clutch

Clutch does not slip

Distance between the rear plate and pressure plate is less than specifications.

Adjust clutch. (See Adjust Main PTO Driveline Slip Clutch (MegaWide™ Plus and Regular Pickup in Service—Baler section.) Disassemble clutch and clean disk spring.

 

Clutch is seized or rusted.

Slip the clutch. (See Adjust Main PTO Driveline Slip Clutch (MegaWide™ Plus and Regular Pickup in Service—Baler section.) Disassemble clutch and clean disk spring.

 

Pressure plate or clutch disk is warped.

Replace pressure plate or clutch disk. (See your John Deere dealer or qualified service provider.)

 

Dirt and fine crop builds up between the disk spring and pressure plate and does not allow the spring to flatten. Drive protection is reduced.

Disassemble main clutch and remove dirt between the disk spring and pressure plate whether adjusting or slipping clutch.

 

During procedure to slip main clutch, loosening cap screws allows disk spring to widen and fill with dirt. While tightening six cap screws, disk spring does not flatten in areas filled with dirt.

Disassemble main clutch and remove dirt between disk spring and pressure plate whether adjusting or slipping clutch.

Clutch slips excessively

Distance between the rear plate and pressure plate is more than 7.1 mm (0.280 in).

Adjust clutch. (See Adjust Main PTO Driveline Slip Clutch (MegaWide™ Plus and Regular Pickup [450M and 550M] in Service—Baler section.) Disassemble clutch and clean disk spring.

 

Disk spring is weak from overheating.

Replace disk spring.

 

Friction disk is worn.

Replace friction disk. (See your John Deere dealer or qualified service provider.)


MegaWide is a trademark of Deere & Company

SF04007,0000F97-19-20170919