PART NO. 72-3740 FORM NO. 3313-872 INSTALLATION INSTRUCTIONS DRIVE SHAFT KIT GROUNDS MASTER 300 SERIES WITH 4 WHEEL DRIVE 1. Remove roll pin securing existing drive shaft hub to rear axle input shaft. 2. Side drive shaft hub forward off input shaft and drive shaft tube rearward off male end of drive shaft. Retain drive shaft for future use. 3. Align new drive shaft tube with male end of drive shaft and slide tube onto shaft. 4.