Installation Instructions

FormNo.3360-551RevA

Center,Right-HandandLeft-HandReplacement

Mowers

Groundsmaster

5900/5910TractionUnit

ModelNo.31591

ModelNo.31592

ModelNo.31593

InstallationInstructions

RemovingtheCenterCutting

Unit

1.Positionmachineonaclean,levelsurface.Lower

cuttingunit,stopengine,applyparkingbrakeand

removekeyfromtheignitionswitch.

2.Removecuttingunitcentercovertoaccesshydraulic

deckmotor.

3.Removetheboltssecuringthehydraulicmotorto

thecuttingunit(Figure1).Liftthemotoroffofthe

cuttingunitandpositionitawayfromthecutting

unit.

Figure1

1.Hydraulicmotor2.Mountingbolts

4.Starttheengineandraisethecuttingunitenoughto

allowthecastorwheelstorotatefreelythenstopthe

engine.Removethekeyfromtheignitionswitch.

5.Removethehairpincotterandclevispinsecuring

theheight-of-cutchainstotherearofthecutting

unit(Figure2).

Figure2

1.Heightofcutchain

3.Hairpincotter

2.Clevispin

8111LyndaleAvenueSouth

Bloomington,MN55420

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OriginalInstructions(EN)

PrintedintheUSA.

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PAGE 1
Form No. 3360-551 Rev A Center, Right-Hand and Left-Hand Replacement Mowers Groundsmaster® 5900/5910 Traction Unit Model No. 31591 Model No. 31592 Model No. 31593 Installation Instructions Removing the Center Cutting Unit 5. Remove the hairpin cotter and clevis pin securing the height-of-cut chains to the rear of the cutting unit (Figure 2). 1. Position machine on a clean, level surface. Lower cutting unit, stop engine, apply parking brake and remove key from the ignition switch. 2.
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Installing the Center Cutting Unit 6. Remove the retainer clip and disconnect the damper assembly from the cutting unit (Figure 3). 1. Position the machine on a level surface, stop the engine, engage the parking brake and remove the key from the ignition. 2. Position the cutting unit to the lift arms (Figure 4). 3. Insert the key into the ignition. 4.
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1 1 1 6. Raise lift arm enough to separate deck connection from cutting unit. 7. Slide the cutting unit away from the traction unit. Installing the Side Cutting Units 1. Position the machine on a level surface, stop the engine, engage the parking brake and remove the key from the ignition. G010083 Figure 5 1. Hose guide 2. Position the side cutting unit to the raised lift arm. 4. Remove the bolts securing the hydraulic motor to the cutting unit (Figure 6).
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