Use and Care Manual

1. Remove the cutting deck from beneath the tractor as

instructed in your tractor’s Operator’s Manual.

2. Gently flip the deck over to expose its underside.

3. Stabilize one of the cutting blades with a blade lock tool or

a block of wood. See Figure 1-2.

Figure 1-2

4. Remove the hex flange nut that secures the blade to the

spindle.

IMPORTANT: The hex flange nuts have a right-handed

(normal) thread pattern. Do NOT attempt to force the nuts in the

opposite direction. Doing so may damage the nuts.

5. Repeat steps 3 and 4 on the other cutting blade.

6. Replace the blades with the blades included in the kit. Be

sure to install each blade with the side marked ‘‘Bottom’’

(or with a part number stamped in it) facing the ground

when the mower is in the operating position.

IMPORTANT: Use a torque wrench to tighten each blade

spindle’s hex flange nut to between 90 ft-lb and 110 ft-lb.

Model 19A70041OEM mulch kit is designed for use with select 42-

inch two-blade cutting decks. Refer to your tractor’s Operator’s

Manual to assure compatibility.

Carton Contents

Before beginning installation, remove all parts from the carton to

make sure everything is present. Carton contents are listed below

and shown in Figure 1-1. Part numbers are shown in parentheses.

• Two Mulching Blades (742-0616A)

• One Deck Mulch Plug Assembly (631-05195A)

• One Wing Knob (720-04122)

Figure 1-1

Blade Installation

WARNING: Before beginning installation, place

the tractor on a firm and level surface, set the

parking brake, place the PTO in the disengaged

(OFF) position, stop the tractor’s motor and remove

the ignition key to prevent unintended starting.

WARNING: Cutting blades are sharp. Always

protect hands by wearing heavy leather work gloves

to grasp blades.

Form No. 769-10115

August 8, 2014

Printed In USA

InstallatIon Manual

42-inch Mulch Kit — 19A70041OEM

MTD LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019

PAGE 1
Installation Manual 42-inch Mulch Kit — 19A70041OEM Model 19A70041OEM mulch kit is designed for use with select 42inch two-blade cutting decks. Refer to your tractor’s Operator’s Manual to assure compatibility. 1. Remove the cutting deck from beneath the tractor as instructed in your tractor’s Operator’s Manual. 2. Gently flip the deck over to expose its underside. Carton Contents 3. Stabilize one of the cutting blades with a blade lock tool or a block of wood. See Figure 1-2.
PAGE 2
Installing the Mulch Plug 1. 3. Pivot the chute deflector upward and remove the protective cover from the pin found on the deck’s surface. See Figure 1-3. Secure the mulch plug in place with the wing knob. See Figure 1-5. Figure 1-5 Figure 1-3 2. To install the mulch plug, pivot the discharge chute upward. Refer to Figure 1-4: a. Insert the mulch plug rod into the hole found on the bracket (or deck wheel bracket, on models so equipped). b.