Walker MDD (20.9 HP) Owner's Manual

Also see for MDD: Owner's manual Owner's manual

Contents

Assembly Instructions20Tilt-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 photoon 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 Installationphoto for socket location). Slide the deck ontothe support arms: all the way if SD equippedmodel, approximately 3 in. (76 mm) if GHSequipped model.NOTE: When installing the DSD52 or DSD62Mower deck, make sure to retract the dollywheel after mounting 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 helpfulin 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 themower, make sure the PTO shaft assembly issecurely locked on the tractor, with the lockingballs fully seated in the groove and the ring in thefull forward position (refer to the Coupler Ring“Locked” Position photo). After 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