Simplicity 1692884 User manual

Installation

Instructions

44” & 50” Mulching Kits

For 44” Mower Decks — Mfg. No. 1692884

For 50” Mower Decks — Mfg. No. 1692885

Special Tools Recommended

• Punch (for decks with knock-outs)

• Drill

• 11/32” Drill Bit

• Wood Block (for blade removal/installation)

• Three or four Large C-type Clamps

• Torque Wrench

Mfg. No. 1692884

Ref Part No. Qty. Description

1 1727448 1 PLATE, Discharge Closure

2 1716149 1 BAFFLE Assembly, RH 44”

3 1721946 1 BAFFLE Assembly, LH 44”

4 1917372 11 NUT, Hex 5/16-18

5 1917356 11 LOCK WASHER, 5/16

6 1931332 9 BOLT, Carriage 5/16-18 x 5/8

7 1716696 3 BLADE, Mulch for 44”

8 1936842 2 SCREW, Phillips, 5/16-18 x 3/4

* 1708222 1 “Mulch-It” Manual

Mfg. No. 1692885

Ref Part No. Qty. Description

1 1727448 1 PLATE, Discharge Closure

2 1716151 1 BAFFLE Assembly, RH 50”

3 1716150 1 BAFFLE Assembly, LH 50”

4 1917372 10 NUT, Hex 5/16-18

5 1917356 10 LOCK WASHER, 5/16

6 1931332 8 BOLT, Carriage 5/16-18 x 5/8

7 1716697 3 BLADE, Mulch for 50”

8 1936842 2 SCREW, Phillips, 5/16-18 x 3/4

* 1708222 1 “Mulch-It” Manual

❶Step One — Remove the mower deck from the

tractor. Locate the eight knock-outs as shown by the

arrows in the illustration above. Knock these out

carefully with a punch as shown in the inset above

and twist out.

On decks without knock-outs, position the baffle and

discharge plates as shown in Steps 4 through 6, then

drill ten 11/32” holes at each of the locations to attach

the baffle plates.

Kit Parts

Included

4 5 6

❷Step Two — Remove the standard blades using a

wood block to hold blades in position while removing the

mounting capscrew as shown above.

❷

WARNING

Do not handle the sharp mower blades with bare

hands. Careless or improper handling of blades

may result in serious injury.

Loosen

Wood

Block Mounting Capscrew

❶

Installation Instructions 44” & 50” Mulching Kits

Form No. 1716882-03

Rev. 8/2004

TP 200-2039-03-AT-SMA

Simplicity Mfg. Inc.

500 N Spring Street / PO Box 997

Port Washington, WI 53074-0997 USA

❽Step Eight — Locate the two holes in the closure

plate as shown by positions “A” and “B” in the illustration

below. Using an 11/32” drill bit, drill a hole at each of

these locations. Use a file to remove burrs around the

holes.

❼Step Seven — Attach the

baffle with the carriage bolts,

lockwashers, and hex nuts as

shown. (Carriage bolt head must

be on the

INSIDE

of the mower

deck.) Tighten the nuts securely,

and remove the clamps.

❼

❻

❻Step Six — Adjust the baffle and closure plate

vertically so that the cutting tips of the blade are even

above the edge of the baffle and closure plate edges as

shown above.

❾Step Nine— Attach the closure plate with phillips

screws, lockwashers, and nuts as shown above. (“A” is

inserted from the top of the deck. “B” is inserted from the

bottom of the closure plate/deck.) Tighten the nuts

securely and remove the clamps.

❽& ❾

WARNING

Blade mounting capscrews must each be

installed with a hex washer and spring washer,

then securely tightened. Torque blade mounting

capscrew to 45-55 ft. lbs. (61-75 N.m.)

❸Step Three — Install the Mulching Blades with tabs

pointing up towards the deck. Use a wooden block to

prevent blade rotation.

Torque each blade mounting

capscrew to 50-70 ft. lbs. (67-95 N.m.)

❸

Tighten & Torque

Wood

Block

Capscrew

Hex Washer Spring

Washer

❺

❺Step Five —Position the Discharge Closure Plate at

the discharge opening of the mower deck, inserting the

tab into the baffle. Hold the plate in position with clamps

as shown.

Discharge

Closure Plate

❹❹Step Four —

Position the baffle so

the discharge edge

contacts the stone

guard. Hold the baffle

in position with clamps

as shown.

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