Table of Contents
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52" Mower
for 5xi Tractors
Model No. 78375 – 8900001 & Up
Model No. 78370 – 8900001 & 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.
Wheel Horse
FORM NO. 3319–811
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Table of Contents
Related Manuals for Toro 78370
Summary of Contents for Toro 78370
- Page 1 52” Mower for 5xi Tractors Model No. 78375 – 8900001 & Up Model No. 78370 – 8900001 & 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. – 1997 Printed in USA...
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Page 3: Table Of Contents
Contents Page Page Operating the Power Take Off (PTO) ..Safety and Instruction Decals ....Attachment Lift Lever ....Installation . -
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. ON GRASS DEFLECTOR (1) ON GRASS DEFLECTOR (Part No. 93–1122) (1) ON DECK LEFT SIDE (Part No. -
Page 5: Installation
Installation Loose Parts Note: Use the chart below to identify parts used for assembly. DESCRIPTION QTY. Grass deflector Spring Install grass deflector Bolt 3/8–24 x 3–1/2” Lock nut 3/8” PTO drive belt Install PTO drive belt Pulley box Install pulley box Operator’s Manual Read before operating Mower Preparation... -
Page 6: Installing The Mower
Installation Installing the Mower POTENTIAL HAZARD Initial Preparation Without the grass deflector, mulch baffle, or complete grass catcher assembly The mower is most easily installed when done on a mounted in place, you and others are level concrete surface. Rougher dirt or lawn surfaces exposed to blade contact and thrown make installation more difficult. - Page 7 Installation m–3468 Figure 5 m–3463 1. Slots in the side mounting 3. Front–to–rear adjustment Figure 4 brackets (2) 1. Attach–A–Matic latches 5. Belt tension adjustment 2. Belt guide knob 2. Pulley box 6. Belt tension indicators 3. Idler pulley (one on each side) Start the tractor.
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Page 8: Attach The Pto Drive Belt
Installation After the two J–pins are seated through the 10. Set the parking brake, lower the attachment lift, mower’s mounting brackets, using the and turn the ignition key to “STOP” to stop the attachment lift and your hand on the right front engine. - Page 9 Installation Remove the tractor’s grill by pulling it straight Now adjust the belt tension. out toward you. 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.
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Page 10: Adjusting The Mower
Installation m–3465 m–3474 Figure 12 Figure 13 1. Belt guide 3. Belt touches here 1. Height-of-cut lever 3. High 2. Belt 4. Belt guide bolt 2. Quadrant 4. Low 10. Tighten the belt guide bolt. Checking Mower Level 11. Replace the front grill of the tractor. For optimum efficiency, the level of the mower should be checked at the time of initial installation Adjusting the Mower... - Page 11 Installation Measure the distance from the front tip of the blade (Fig. 14) to the flat surface. Then carefully rotate the blade tip until it is in the rear position. When the blade tip is in the front position, it should be 1/8” (3 mm) lower than when it is in the rear position.
- Page 12 Installation Adjusting the Deck Slope for Transport To extend PTO drive belt life and provide adequate transport height, the deck slope in transport should be POTENTIAL HAZARD adjusted. Three steps accomplish this: 1) Making The “scissor” formed by the mower sure the lift arm cams are in the same position, 2) mounting brackets and the attachment lift Measuring blade slope in its front and rear positions...
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Page 13: Removing The Mower
Installation Repeat steps 4–7 until the slope of the blade is approximately 1/4” (7 mm) lower in the front than it is in the rear. Removing the Mower The mower is most easily removed from the tractor when done on a level concrete surface. Rougher dirt or lawn surfaces make removing the mower more m–3458 difficult. - Page 14 Installation Make sure the parking brake is set and turn the ignition key to “STOP” to stop the engine. Remove the key. Press the button of the mid Attach–A–Matic and twist the lever counterclockwise to release the mower (Fig. 20). m–3458 Figure 22 1.
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Page 15: Removing The Recycler Baffle
Installation Removing the Recycler Baffle Installing the Recycler Baffle Remove lock nuts from top, discharge side and Thoroughly clean the mower. center flange of right side baffle (Fig. 23). Lower Remove lock nuts from top and discharge side baffle and slide out discharge opening to remove. and center flange of mower (Fig. -
Page 16: Operation
Operation Side Discharge or Mulch Grass While the ignition key is in RUN or LIGHTS position and the power take off (PTO) is engaged, the PTO indicator light will be on. When this light is ON, it is a reminder: the implement is being powered and the starter will not crank while the PTO is engaged. -
Page 17: Attachment Lift Lever
Operation Attachment Lift Lever The attachment lift lever (Fig. 26 & 27) 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 Check for Debris Wheels Each time you use the mower, be sure to check for debris build up on and inside the rear transaxle cover The two front adjustable wheels must be adjusted in (Fig. 29). Remove any build up. the proper hole location for each time you change deck height-of-cut position. -
Page 19: Tips For Mowing Grass
Operation Tips for Mowing Grass Ground Speed To improve cut quality, use slower ground speed. Fast Throttle Setting For best mowing and maximum air circulation, Avoid Cutting Too Low operate the engine at “FAST.” Air is required to thoroughly cut grass clippings, so do not set the If the cutting width of the mower is wider than the height-of-cut so low, as to totally surround the mower mower you previously used, raise the cutting height... -
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 30 break apart and pieces could be thrown at 1. -
Page 22: Greasing And Lubrication
Maintenance Sharpening the Blade(s) Tighten the blade nut to 80-100 ft–lb (109-136 Nm). Use a file to sharpen the cutting edge at both ends of the blade (Fig. 32). Maintain the original angle. The blade retains its balance if the same amount of material is removed from both cutting edges. -
Page 23: Blade Drive Belt
Maintenance Where to Add Grease Lubricate the blade spindles (Fig. 35). m–3472 Figure 36 Top View 1. Pulley cover screw 4. Mower belt 2. Pulley cover 5. Spring M–2829 3. Belt Guides Figure 35 Storage Blade Drive Belt Clean dirt and chaff from the top of the mower. Removing the Blade Drive Belt Scrape heavy buildup of grass and dirt from the Remove the mower;... -
Page 24: 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.