Toro Groundsmaster 4100-D Service Manual

Also see for 30447: Operator's manual Installation instructions Installation instructions

Contents

Groundsmaster 4100--D/4110--D Hydraulic SystemPage 4 -- 1175. Remove four (4) cap screws and washers used to se-cure fan (item 13) to fan hub. Remove fan.IMPORTANT: Make sure to not damage the radiator,fan or other machine components while looseningand removing the fan motor.6. Remove cooling fan motor and bracket assembly.A. To prevent contamination of hydraulic system,thoroughly clean exterior of fan motor and fittings.B. Disconnect hydraulic hoses from fan motor. Putcaps or plugs on fittings and hoses to prevent con-tamination. Label hydraulic lines for proper assemb-ly.C. Remove six (6) cap screws and flange nuts thatsecure fan motor bracket to radiator.D. Carefully remove fan motor and bracket assem-bly from machine and place on suitable work sur-face.7. Remove hex nut (item 9) and washer (item 8) that se-cure fan hub to fan motor. Use suitable puller to carefullyremove fan hub from fan motor shaft. Locate and re-trieve woodruff key.8. Remove two (2) cap screws (item 20), flat washers(item 21) and lock nuts (item 14) that secure fan motorto fan motor bracket. Remove fan motor from bracket.9. If hydraulic fittings are to be removed from fan motor,mark fitting orientation to allow correct assembly. Re-move fittings from motor and discard O--rings.Installation (Fig. 79)1. If fittings were removed from fan motor, lubricate andplace new O--rings onto fittings. Install fittings into portopenings using marks made during the removal processto properly orientate fittings. Tighten fittings (see Hy-draulic Fitting Installation in the General Informationsection of this chapter).2. Position fan motor to fan motor bracket and securewith cap screws (item 20), flat washers (item 21) andlock nuts (item 14).3. Thoroughly clean tapered surfaces of fan motorshaft and fan hub. Place woodruff key in slot in motorshaft.4. Position fan hub onto motor shaft and secure withwasher (item 8) and hex nut (item 9). Torque nut from 27to 33 ft--lb (37 to 44 N--m).IMPORTANT: Make sure to not damage the radiatoror other machine components while installing thefan motor and bracket assembly.5. Carefully position fan motor and bracket assembly toradiator and secure with six (6) cap screws and flangenuts.6. Remove caps and plugs placed in hoses and fittingsduring removal to prevent contamination. Using labelsplaced during motor removal, properly connect hydrau-lic hoses to cooling fan motor (see Hydraulic Hose andTube Installation in the General Information section ofthis chapter).7. Apply Loctite #242 (or equivalent) to threads of capscrews (item 11) used to secure fan to fan hub. Positionfan to fan hub and secure with four (4) cap screws andwashers. Torque screws from 12 to 14 ft--lb (17 to 18N--m).8. Install upper radiator shroud and air cleaner hose(Fig. 80). Make sure that clearance between shroud andcooling fan is at least 0.180” (4.6 mm) at all points.9. Lower and secure hood.10.Make sure hydraulic tank is full. Add correct oil if nec-essary before returning machine to service.1. Radiator2. Upper radiator shroud3. Screw (4 used)4. Flat washer5. Air cleaner hose6. Flange nut (4 used)7. Cap screw8. Fan motor bracketFigure 803564712448HydraulicSystem