Assembly Instructions19Tilt-Up Spring and Roller WheelInstallation on Rear Discharge DeckMower Deck lnstallation on TractorDeck Installation1. Lightly grease each deck support arm (2) on thetractor. Refer to Mower Deck Installation pho-to on next page for location of deck support arm.2. Engage the deck carrier frame tube sockets onthe tractor support arms (refer to DischargeChute and PTO Shaft Guard Installation photofor socket location). Slide the deck onto the sup-port arms: all the way if SD equipped model,approximately 3 in. (76 mm) if GHS equippedmodel.NOTE: When installing the DSD52 Mowerdeck, make sure to retract the dolly wheel aftermounting the deck on the tractor.3. If the deck is rear discharge (GHS equippedmodel), the rear discharge chute will need to bealigned and connected to the blower inlet dur-ing the last 2 in. (51 mm) of slide action on thesupport arms.NOTE: Raising the mower body may be help-ful in fitting and guiding the deck chute into theblower.4. Install the hitch pin through the hole on the endof each support arm to lock the deck in place(refer to Deck Counterweight Spring Installa-tion photo). Two (2) hitch pins are included inthe owner’s packet of materials.5. Connect the mower deck PTO drive shaftassembly to the tractor with the splined quickdisconnect coupler. This coupler simplifiesshaft alignment and installation.a. Use the arrows on the shaft and tube toalign and slide the PTO quick coupler ontothe deck splined shaft.b. Reaching under the tractor, pull the ringback on the coupler, slide onto the splineshaft on the tractor, and release the ring.IMPORTANT: To prevent damage to the mower,make sure the PTO shaft assembly is securely lockedon the tractor, with the locking balls fully seated in thegroove and the ring in the full forward position (referto the Coupler Ring “Locked” Position photo). Af-ter installation, pull on the shaft to check for security.Installing PTO Quick CouplerCoupler Ring “Locked” PositionAttach SpringRoller WheelsPull Back Spring-LoadedCoupler RingSpring-Loaded Coupler RingIn Fully Forward Position