Toro 03540 Operator's Manual

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Contents

25Adjusting the Lift Arm DownPressureThe down pressure spring on each cutting unit lift arm canbe adjusted to compensate for different turf conditions.Increased down pressure will help keep the cutting units onthe ground when mowing at higher speeds and helpsmaintain a uniform height-of-cut in rough conditions or inareas of thatch build up.Each down pressure spring may be adjusted to one of foursettings. Each increment increases or decreases downpressure on cutting unit by 8 lb.1. Position machine on a level surface, lower the cuttingunits, stop the engine, engage the parking brakes, andremove key from ignition switch.2. Remove floor plate in front of seat and open the hood togain access to all 5 springs.Springs are under tension.Use caution when adjusting.Caution3. Place an open end wrench on the hex shaft of the springbracket (Fig. 32).4. Remove the capscrew and locknut securing retainingbracket (Fig. 32), while rotating hex shaft to relievespring tension.21Figure 321. Spring bracket hex shaft 2. Retaining bracket5. Move spring bracket to desired location and installcapscrew and locknut, while rotating hex shaft torelieve spring tension.Towing the Traction UnitIf it becomes necessary to tow the machine, tow it forwardonly, for a short distance and at a speed no greater than 3mph.Important If these towing limits are exceeded, severedamage to the hydrostatic transmission may occur.To tow a disabled machine:1. Loosen and remove capscrews securing the drive shaftto the engine drive coupler. Loosen capscrews clampingdrive shaft to transmission (Fig. 33). Remove driveshaft.1Figure 331. Drive shaftImportant If drive shaft is not removed before towing,the transmission input shaft will not be able to rotate, thusnot allowing the transmission to maintain its internallubrication. Severe damage to the hydrostatic transmissionmay occur.2. Attach a suitable chain, strap or cable to the center ofthe front frame member (Fig. 34).1Figure 341. Center of front frame memberNote: Lock both brake pedals together before towing.