Service Transmission
Replacing Transmission Drive Belt
1. Remove the clutch to mower deck drive belt (A). (See Replacing Clutch To Mower Deck Drive Belt (48/54-Inch Deck or Replacing Clutch To Mower Deck Drive Belt (36-Inch Deck in the Service - Mower Section)
2. Disconnect the electric PTO clutch connector (B).
4. Move idler (D) to remove old drive belt. Install new transmission drive belt.
5. Move idler (D) as required to tighten new drive belt and tighten
nut (B).
6. Check drive belt tension and adjust if necessary. (See Adjusting Transmission Drive Belt Tension in this section)
7. Connect the electric clutch connector (B).
8. Install the clutch to mower deck drive belt (A). (See Replacing Clutch To Mower Deck Drive Belt (48/54-Inch Deck or Replacing Clutch To Mower Deck Drive Belt (36-Inch Deck in the Service - Mower Section)
Adjusting Transmission Drive Belt Tension
IMPORTANT: Avoid damage! Due to belt stretching, the tension on the transmission drive belt should be adjusted after the first 25 hours of use. |
Check drive belt deflection. Belt should deflect a little (A) with moderate thumb pressure.
2. Move idler (C) as required to loosen or tighten drive belt.
4. Check belt deflection again.
Adjusting Transmission Shift Lever Neutral
The transmission shift lever "N" neutral position is adjustable. Adjust shift lever as required.
2. Loosen lock nut (B) just enough to move the shift lever (C).
3. Align reverse lock lever (D) with "N" neutral on label and tighten lock nut (B).
5. Move shift lever through-out all forward and reverse gears.
6. The reverse lock lever (D) should align with numbers on label.
7. Repeat adjustment procedure until everything is in alignment.
Adjusting Transmission Reverse Lock Rod
The reverse lock rod should be fully seated in the speed indicator plate (A) neutral "N" notch. Adjust reverse lock as required.
2. Adjust reverse lock rod (D) location by tightening or loosening nut (C).
Checking Gear Transmission
The gear transmission in this unit is a sealed component. No maintenance is required on this transmission. If you suspect any transmission problems, please contact your John Deere Dealer.