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FORM NO. 3322–392
Wheel Horse
48" Mower
for 5xi Tractors
Model No. 78363 – 9900001 & Up
Operator's Manual
IMPORTANT: Read this manual, and your tractor manual, carefully. They
contain information about your safety and the safety of others. Also
become familiar with the controls and their proper use before you operate
the product.
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Table of Contents
Related Manuals for Toro Wheel Horse SD 1999
Summary of Contents for Toro Wheel Horse SD 1999
- Page 1 FORM NO. 3322–392 Wheel Horse 48” Mower for 5xi Tractors Model No. 78363 – 9900001 & Up Operator’s Manual IMPORTANT: Read this manual, and your tractor manual, carefully. They contain information about your safety and the safety of others. Also become familiar with the controls and their proper use before you operate the product.
- Page 2 1. Model and Serial Number Plate For your convenience, write the product model and serial numbers in the space below. Model No: Serial No. The TORO Co. – 1999 Printed in USA...
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Page 3: Table Of Contents
Contents Page Page Maintenance ......Safety and Instruction Decals ....Service Interval Chart . -
Page 4: Safety And Instruction Decals
Safety Safety and Instruction Decals Safety decals and instructions are easily visible to the operator and are located near any area of potential danger. Replace any decal that is damaged or lost. (1) ON DECK RIGHT SIDE (1) ON DECK LEFT SIDE ON DISCHARGE CHUTE (Part No. -
Page 5: Installation
Installation Loose Parts Note: Use the chart below to identify parts used for assembly. DESCRIPTION QTY. Discharge chute Nylon washer 3/8” Spring Rubber bushing Install discharge chute Flat washer 1/2” Lock nut 3/8” Cotter pin 3/4” PTO drive belt Install PTO drive belt Pulley box Install pulley box Operator’s Manual... -
Page 6: Installing The Mower
Installation Installing the Mower POTENTIAL HAZARD Initial Preparation Without the discharge chute or the complete grass catcher assembly mounted The mower is most easily installed when done on a in place, you and others are exposed to level concrete surface. Rougher dirt or lawn surfaces blade contact and thrown debris. - Page 7 Installation m–3519 m–3463 Figure 5 Figure 4 1. Slots in the side mounting 3. Front–to–rear adjustment 1. Attach–A–Matic latches 6. Belt tension indicators brackets (2) (one on each side) 2. Pulley box 2. Belt guide 7. Attach–A–Matic button 3. Idler pulley (one on each side) 4.
- Page 8 Installation After the two J–pins are seated through the Turn the lever of the Attach–A–Matic mower’s mounting brackets, using the counterclockwise to lock the mower to the attachment lift and your hand on the right front tractor (Fig. 8). adjustable mower wheel bracket (Fig. 7), 10.
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Page 9: Attach The Pto Drive Belt
Installation Attach the PTO Drive Belt Position the belt into the groove of the PTO pulley (Fig. 10), making sure it is also under the pulleys in the pulley box. Hang the belt over the mower, then thread it forward through the belt guide (Fig. 9) on the mower. - Page 10 Installation Now adjust the belt tension. A. Push the belt tension release arm back toward the pulley box to tension the belt. B. Check the tension indicators on each side of the pulley box. C. If the tension indicators are not in the same position on both the left and right sides, release the belt tension, turn the adjustment m–3465...
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Page 11: Adjusting The Mower
Installation Adjusting the Mower Place the mower height–of–cut lever to the middle cut position. Make sure the two adjustable front wheels are off the ground. Adjusting the Height of Cut Disengage the power take off (PTO), set the parking brake, lower the attachment lift, and turn The rear gauge wheels are adjusted in different hole the ignition key to “STOP”... - Page 12 Installation Front–to–rear adjustment is made by turning the adjusting nut (Fig. 16) on the back of the mower. To raise the front of the mower, turn the adjustment nut clockwise. To lower the front of the mower, turn the nut counterclockwise. m–3459 Figure 17 1.
- Page 13 Installation POTENTIAL HAZARD The “scissor” formed by the mower mounting brackets and the attachment lift arm is dangerous. WHAT CAN HAPPEN Hands and fingers can get caught between the mower parts and the tractor and be injured. HOW TO AVOID THE HAZARD Keep hands away from moving parts while operating the attachment lift.
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Page 14: Removing The Mower
Installation Loosen the cam nuts and equally rotate the Release the belt tension release arm on the left–hand and right–hand cams down to raise the pulley box to release the tension on the drive belt front of the deck, or up to lower the front of the (Fig. - Page 15 Installation Press the button of the mid Attach–A–Matic and twist the lever clockwise to release the mower (Fig. 21). m–3458 Figure 23 1. Front Attach–A–Matic 3. Pulley box button (one on each side) 2. Front Attach–A–Matic m–3457 latches Figure 21 1.
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Page 16: Operation
Operation Side Discharge it is a reminder: the implement is being powered and the starter will not crank while the PTO is engaged. Always turn off the PTO before getting off the seat. The mower has a hinged discharge chute that disperses clippings to the side and down toward the turf. -
Page 17: Attachment Lift Lever
Operation Attachment Lift Lever The attachment lift lever (Fig. 25 & 26) is used to raise and lower various attachments. Raising Attachments Start the tractor. Pull the attachment lift lever upward until the latch locks. In this position, the lift will hold the attachment in the up, or raised position. -
Page 18: Adjusting The Two Front Wheels
Operation Adjusting the Two Front Wheels The two front adjustable wheels must be adjusted in the proper hole location for each time you change deck height-of-cut position. After selecting a height of cut, make sure the front adjustable wheels are approximately 3/8” (9.5 mm) off the ground. - Page 19 Operation Mowing Direction When Stopping Alternate mowing direction to keep the grass standing If the machine’s forward motion must be stopped straight. This also helps disperse clippings which while mowing, a clump of grass clippings may drop enhances decomposition and fertilization. onto your lawn.
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Page 20: Maintenance
Maintenance Service Interval Chart Each Storage Spring Service Operation Hours Hours Hours Service Service Cutter Blade—check Mower Spindles—grease Belts—check for wear/cracks Mower Housing—clean Belt Tension—check initial Chipped Surfaces—paint POTENTIAL HAZARD If you leave the key in the ignition switch, someone could start the engine. WHAT CAN HAPPEN Accidental starting of the engine could seriously injure you or other bystanders. -
Page 21: Cutting Blade
Maintenance Cutting Blade To assure a superior quality of cut, keep the blade(s) sharp. For convenient sharpening and replacement, you may want to have an extra blade(s). POTENTIAL HAZARD A blade that is worn or damaged could Figure 29 break apart and pieces could be thrown at 1. - Page 22 Maintenance Sharpening the Blade(s) Installing the Blade(s) Use a file to sharpen the cutting edge at both Hold the blade end using a rag or thickly padded ends of the blade (Fig. 31). Maintain the original glove. Install the blade, flat washer, and the angle.
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Page 23: Greasing And Lubrication
Maintenance Greasing and Lubrication Checking PTO Drive Belt Tension Service Interval/Specification Check the PTO drive belt tension after 5 hours of Grease the mower after every 25 operating hours or operating with a new belt, then every 50 hours or once a year, whichever occurs first. -
Page 24: Blade Drive Belt
Maintenance Maintain correct belt tension. Installing the Blade Drive Belt Maintain correct mower level. Install the new belt around the blade pulleys and the idler pulleys. Maintain correct blade slope in transport. Attach the spring (Fig. 36). Adjust the position of the cutter deck belt guide. Install the left and right pulley covers with the Replace damaged pulleys. -
Page 25: Washing The Underside Of The Mower
Maintenance Paint all scratched or bare metal surfaces. Paint Run the mower again for one to three minutes to is available from you Authorized Service Dealer. remove excess water. Store the machine in a clean, dry garage or storage area. Remove both the ignition and “Key Choice”... -
Page 26: Troubleshooting
Troubleshooting PROBLEM POSSIBLE CAUSES CORRECTIVE ACTION Abnormal vibration. Cutting blade(s) is bent or Install new cutting blade(s). unbalanced. Blade mounting bolt is loose. Tighten blade mounting bolt. Engine mounting bolts are Tighten engine mounting loose. bolts. Loose engine pulley, idler Tighten the appropriate pulley, or blade pulley. - Page 27 Troubleshooting PROBLEM POSSIBLE CAUSES CORRECTIVE ACTION PTO (cutter deck) belt comes off PTO is being engaged when Engage PTO only in shorter of pulleys,slips or fails. (continued) cutter deck is in tall uncut or previously cut grass. grass or weeds. Cutter deck is overloaded Reduce ground speed when because mulching or bagging...