Description
John Deere 425 and 525 Series Wheel-Type Offset Disk Harrows Operator’s Manual (OMW18787)
John Deere 425 and 525 Series Wheel-Type Offset Disk Harrows INDEX
IDENTIFICATION VIEW
SPECIFICATIONS
OPERATION
Preparing the
Preparing the
disk harrow
tractor
Hydraulic control
Tire inflation
Attaching to or detaching from the tractor
Leveling with parallel lift bar
Transporting
Offsetting hitch
Adjusting parallel lift bar
Setting disk gang angle
Leveling disk gangs
Adjusting gangs laterally
Adjusting moldboard type disk scrapers
Adjusting plate type disk scrapers
Safety suggestions
Filling furrows
Cause and cures of side draft
LUBRICATION
SERVICE.
Disk gangs
Anti-friction bearings
Tire inflation
Replacing disk blades
DISKING DIFFICULTIES AND REMEDIES