Dixon ZTR 4000 Series Operator's Manual page 23

CARE AND MAINTENANCE - 4000 SERIES MODELS
DECK REMOVAL:
1. Place cut height lever in lowest cut position.
2. Pull belt idler back to allow belt to be removed from idler pulley and electric clutch
pulley.
3. Remove hair pin cotter and washer from one end of deck support cross shaft. Note
location of remaining shim washers used between chassis and mower deck pan arms.
Slide shaft from chassis and mower deck.
4. Remove hair pin cotter and washer from each deck adjustment rod. Carefully push
each link toward the inside of the mower chassis. At this point, deck will drop down.
5. Carefully raise and support front of chassis. Slide mower deck to either side for removal.
(Reverse procedure to reinstall deck assembly).
NOTE:
Page 20
When deck is reinstalled on frame, check that belt P/N 6111 is
correctly routed in the groves of all. pulleys and th at belt idler is
applying tension to the back side of the belt.