Briggs & Stratton MB (18 HP) owner manual PTO Shaft Guard Installation, Deck Installation

Assembly Instructions

PTO Shaft Guard Installation

Position the shaft guard as shown and mount with two 1/4-20 x 1/2 in. bolts.

Carrier Frame

Tube Sockets

Attach

Guard

PTO Shaft Guard Installation

Tilt-Up Roller Wheel Installation

NOTE: A 2-1/2" diameter tilt-up roller wheel

(P/N 9772) is required for decks installed on the Model MB tractor.

Mount the two (2) tilt-up roller wheels on the brack- ets on the rear skirt of the deck housing using the P/N 8490 axle bolt, 3/8 in. wave spring washer and 3/8-16 in. Whiz locknut. Tighten the axle bolt until the wheel rolls freely, but is not loose.

Roller Wheels

Roller Wheel Installation

Mower Deck Installation on Tractor

Deck Installation

1.Lightly grease each deck support arm (2) on the tractor. Refer to Mower Deck Installation photo for location of deck support arm.

2.Engage the deck carrier frame tube sockets on the tractor support arms (refer to PTO Shaft Guard Installation photo for socket location). Slide the deck onto the support arms approxi- mately 3 in. (76 mm).

3.Align and connect the splined PTO shaft and socket halves, as shown in PTO Shaft Connec- tion photo. The PTO shaft has a pilot end to ease alignment of shaft; fit shaft end into socket and rotate shaft until the splines line up as indicated by arrows, then slide together.

Arrows on Shaft and Tube

(used to align when sliding together)

PTO Connection

PTO Shaft Connection

4.Install the hitch pin through the hole on the end of each support arm to lock the deck in place (re- fer to Deck Counterweight Spring Installation photo). Two (2) hitch pins are included in the owner’s packet of materials.

Deck Support

Arms

Mower Deck Installation

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