Every 400 Hours or 24 Months (whichever comes first)
Inspect ball joints for play.
Inspect suspension bushings for play. (See your John Deere dealer for this service.)
Inspect wheel bearings for play. (See your John Deere dealer for this service.)
Inspect timing belt.
Inspect timing belt idler/bearing.
MX10673,0000053-19-20170802