Form No. 3436-282 Rev A Recycler® Kit Groundsmaster® 3200 or 3300 Series Traction Unit with 60in or 72in Rear Discharge Rotary Mower Model No. 31985 Model No. 31986 Installation Instructions 1 Preparing the Machine No Parts Required Procedure 1. Park the machine on a level surface. 2. Engage the parking brake. 3. Raise the mower deck to the TRANSPORT position; refer to your Operator’s Manual. 4. Shut off the engine and remove the key. 5.
Removing the Plugs No Parts Required Procedure 60-inch Deck: g306750 Figure 1 1.
72-inch Deck: g306753 Figure 2 1. Plugs (7 total) 3 Removing the Blades No Parts Required For Machines with an Aluminum Spindle 1. Place a wrench on the flat of the spindle shaft or hold the blade end using a rag or thickly padded glove. 2. Remove the blade bolt, bushing, and blade from the spindle shaft (Figure 3). Retain the parts for later installation. g295816 Figure 3 3 1. Sail area of the blade 4. Bushing 2. Blade 3. Flat of the spindle shaft 5.
Removing the Existing Baffles No Parts Required For 60-inch Mower Decks Remove the existing baffles and fasteners from the mower deck as shown in Figure 4. Retain the parts if you remove the kit in the future.
For 72-inch Mower Decks Remove the existing baffles and fasteners from the mower deck as shown in Figure 5. Retain the parts if you remove the kit in the future.
For 60-inch Mower Decks 1. Loosely secure the rear, right baffle to the mower deck using 3 carriage bolts (3/8 x 7/8 inch) and 3 locknuts (3/8 inch) as shown in Figure 6. 2. Loosely secure the rear, left baffle to the mower deck using 3 carriage bolts (3/8 x 7/8 inch) and 3 locknuts (3/8 inch) as shown in Figure 6. 3. Loosely secure the rear, center baffle to the mower deck using 2 carriage bolts (3/8 x 7/8 inch) and 2 locknuts (3/8 inch) as shown in Figure 6. 4.
For 72-inch Mower Decks 1. Loosely secure the rear, right baffle to the mower deck using 2 carriage bolts (3/8 x 7/8 inch) and 2 locknuts (3/8 inch) as shown in Figure 7. 2. Loosely secure the rear, left baffle to the mower deck using 2 carriage bolts (3/8 x 7/8 inch) and 2 locknuts (3/8 inch) as shown in Figure 7. 3. Loosely secure the rear, center baffle to the mower deck using 3 carriage bolts (3/8 x 7/8 inch) and 3 locknuts (3/8 inch) as shown in Figure 7. 4.
6 3. Apply copper-based lubricant or grease to the threads of the blade bolt as needed to prevent seizing. Install the blade bolt finger-tight. 4. Place a wrench on the flat of the spindle shaft and torque the blade bolt to 75 to 81 N∙m (55 to 60 ft-lb). Installing the Blades No Parts Required 7 For Machines with an Aluminum Spindle 1. Tightening the Hardware Install the bushing through the blade with the bushing flange on the bottom (grass) side of the blade (Figure 8).
5. Rotate the mower deck to the SERVICE position; refer to your Operator’s Manual. 6. Remove the recycler baffles. Retain the hardware. 7. Replace the recycler blades with standard blades (if applicable). 8. Install the hex-socket bolts (3/8 x 3/4 inch) and the flange nuts (3/8 inch) in the holes on top of the deck with the bolt head underneath.
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