Form No. 3326–484 Mid–Size Mower ProLine Gear 15 HP with 44 in. Side Discharge Mower Model No.
Warning Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Operating the Parking Brake . . . . . . . . . . . . . . . . Starting and Stopping the Engine . . . . . . . . . . . . Operating Mower Blade Control (PTO) . . . . . . . The Safety Interlock System . . . . . . . . . . . . . . . . Driving Forward or Backward . . . . . . . . . . . . . . . Operating the Lower Control Bar . . . . . . . . . . . . Stopping the Machine . . . . . . . . . . . . . . . . . . . . . Transporting Machines . .
Introduction Safety Read this manual carefully to learn how to operate and maintain your product properly. The information in this manual can help you and others avoid injury and product damage. Although Toro designs and produces safe products, you are responsible for operating the product properly and safely. This machine meets or exceeds the B71.4 1999 specifications of the American National Standards Institute, in effect at time of production.
• Slow down and use caution when making turns and crossing roads and sidewalks. Stop blades if not mowing. • Use extra care when handling gasoline and other fuels. They are flammable and vapors are explosive. • Use only an approved container • Be aware of the mower discharge direction and do not point it at anyone. • Never remove gas cap or add fuel with engine running. Allow engine to cool before refueling. Do not smoke.
Toro Mower Safety DO • Remove obstacles such as rocks, tree limbs, etc. from the mowing area. Watch for holes, ruts or bumps. Tall grass can hide obstacles. The following list contains safety information specific to Toro products and other safety information you must know. • Use slow speed so that you will not have to stop while on the slope. This product is capable of amputating hands and feet and throwing objects. Always follow all safety instructions to avoid serious injury or death.
• Battery gases can explode. Keep cigarettes, sparks and flames away from battery. • Hydraulic fluid escaping under pressure can penetrate the skin and cause injury. Use cardboard or paper to find hydraulic leaks. Never use your hands.
Slope Chart 7
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.
4–8569 104–8186 98–0776 P A R K I N G B R A K E 105–0840 52–2010 82–2290 82–2280 98–3256 98–4387 104–8175 10
104–8171 105–0884 104–8180 11
Gasoline and Oil Recommended Gasoline Warning Use UNLEADED Regular Gasoline suitable for automotive use (85 pump octane minimum). Leaded regular gasoline may be used if unleaded regular is not available. Gasoline is harmful or fatal if swallowed. Long–term exposure to vapors can cause serious injury and illness. Important Never use methanol, gasoline containing methanol, or gasohol containing more than 10% ethanol because the fuel system could be damaged. Do not mix oil with gasoline.
Setup Note: Determine the left and right sides of the machine from the normal operating position. Loose Parts Note: Use the chart below to verify all parts have been shipped. DESCRIPTION QTY. USE Fuel tank 1 Control panel 1 Bolt, 5/16 x 7/8 in. 2 Lock washer, 5/16 in. 2 Washer, 5/16 in. 4 Spring 2 Stud 2 Hose clamp 1 Shift lever 1 Rubber seal 1 Square hole washer 1 Spring washer 1 Locknut, 3/8 in. 1 Upper handle 1 Flanged bolt 3/8 x 1 in. 4 Flange nut 3/8 in.
Installing the Shift Lever 3 1. Remove the locknut (3/8 in.) and spring washer from the stud on top of the transmission. 2 Note: Do not remove rubber seal washer and square hole washer from transmission shaft. 1 2. Slide shift lever through control panel and align mounting hole in lever with square on transmission shaft. Secure lever to transmission with previously removed spring washer and locknut (Fig. 4). m–5221 Figure 2 1. Rear frame 2. Control panel 3. Fuel tank 3.
4 1 5 6 2 2 1 3 4 4 Rear View 7 8 2 3 m–5317 Figure 6 1. 2. 3. 4. m–5458 Upper handle Rear frame Flange bolt, 3/8 x 1 in. Flange nut, 3/8 in. 5. 6. 7. 8. Upper mounting hole Lower mounting holes Low position High position Figure 5 1. Shift lever, 2nd gear 2. Control panel 3. Shift lever, neutral 4. Equal distance Installing the Control Rods 1. Thread rod fittings equal distance onto each control rod. For a starting point, thread fittings on approximately 1–3/4 in.
3. Check the gap between upper control bar and fixed bar with wheel drive fully engaged. Gap should be approximately 1 to 1-1/4 in. (25–32 mm) (Fig. 8). Note: Make sure brake rod is installed in front (F) mounting hole in idler bracket. 8. Repeat procedure on opposite side if adjustment is required to keep control bar and fixed bar parallel. Note: The upper control bar and fixed bar must be parallel when in engaged, drive, relaxed and brake positions. 4. Check operation.
Think Safety First Parking Brake Lever – Pull back on upper control bar and swing brake lever up against the upper handle. Carefully read all the safety instructions and decals in the safety section. Knowing this information could help you, your family, pets or bystanders avoid injury. Ignition Switch – Key switch is used in conjunction with recoil starter. Switch has two positions: Run and Off. Recoil Starter – Pull recoil Starter handle to start engine.
Releasing the Parking Brake Stopping the Engine 1. Pull rearward on the upper control bar (Fig. 14). Lower the parking brake lock to the released position. 1. Move the throttle lever to slow (Fig. 15). 2. Let engine idle for 30 to 60 seconds before turning the ignition key off. 2. Gradually release the upper control bar. 3. Turn the ignition key to off (Fig. 15). 2 2 1 1 m–5233 Figure 14 1. Upper control bar m–5190 2. Parking brake lever Figure 15 1.
1. Set the parking brake and start the engine :refer to Starting and Stopping the Engine, page 18 4. Repeat procedure to engage mower blades if blade control bail is released. 2. Squeeze the blade control bail against upper control bar. The blades should not rotate. 2 1 3. Then continue holding the blade control bail and pull up on the blade control switch and release. The clutch should engage and the mower blades begin rotating. 3 4. Release the blade control bail. The blades should stop rotating.
2. Release the parking brake: refer to Releasing the Parking Brake, page 18. 1 3. Slowly squeeze the lower control bar and handle together to move rearward (Fig. 17). 2 Operating the Lower Control Bar This procedure is for driving up a curb. This can be performed while driving forward or backward. m–4185 1. Disengage the mower blades. Figure 19 1. Lower Control Bar engaged and mower in reverse. Warning A blade can be bent or damaged when driving up a curb.
Using Side Discharge or Mulch Grass Important All four hairpin cotter pins must be in the same hole location and with the correct number of spacers for a level cut. This mower has a hinged grass deflector that disperses clippings to the side and down toward the turf. Danger 3 Without the grass deflector, discharge cover, or complete grass catcher assembly mounted in place, you and others are exposed to blade contact and thrown debris.
4 1 3 2 5 m–5201 Figure 21 1. Gage Wheel 2. Stud 3. Washer 4. Nut 5. Wheel nut and washer. Do Not Remove. Adjusting the Center Gage Wheels The gage wheels must be adjusted in the proper hole location for each height-of-cut position. 1. After adjusting height-of-cut remove bolt, washers and nut (Fig. 22). 2. Select a hole position so the gage wheels are a minimum of 3/8 in. (10 mm) off the ground for the height-of-cut to be used (Fig. 22). 3. Reinstall the bolt, washers and nut (Fig. 22).
Maintenance Note: Determine the left and right sides of the machine from the normal operating position.
Servicing the Air Cleaner Important worn. Replace the foam element if it is torn or Service Interval/Specification 1 Paper Element: Clean after every 50 operating hours. Replace after every 200 operating hours. Note: Service the air cleaner more frequently (every few hours) if operating conditions are extremely dusty or sandy. 1. Foam element 1. Disengage the power take off (PTO), chock or block tires, and turn the ignition key to off. Remove the key. 2. Oil Cleaning the Paper Element 2.
3. Install the air cleaner cover and secure latches (Fig. 23). 1 2 Servicing the Engine Oil 3 Service Interval/Specification Change oil: • After the first 8 operating hours. • After every 100 operating hours. Note: Change oil more frequently when operating conditions are extremely dusty or sandy. Figure 26 1. Oil dipstick 2. Metal end Oil Type: Detergent oil (API service SE, SF or SG) 3. Filler tube Crankcase Capacity: with new filter, 57–1/2 oz. (1.7 l) without new filter, 51 oz. (1.
Changing the Engine Oil Filter Removing the Spark Plug(s) Service Interval/Specification 1. Disengage the power take off (PTO), chock or block tires, and turn the ignition key to off. Remove the key. Replace the oil filter every 200 hours or every other oil change. 2. Pull the wire(s) off the spark plug(s) (Fig. 29). Now clean around the spark plug(s) to prevent dirt from falling into the engine and potentially causing damage.
2 3 1 0.030 in. (.75 mm) Figure 30 1. Center electrode insulator 2. Side electrode 3. Air gap (not to scale) Installing the Spark Plug(s) Figure 31 1. Install the spark plug(s). Make sure the air gap is set correctly. 2. Tighten the spark plug(s) to 11 ft-lb (15 N m). Lubricating the castor and wheel bearings 3. Push the wire(s) onto the spark plug(s) (Fig. 29). 1. Lubricate the front wheel bearings and front spindles until grease begins to ooze out of the bearings (Fig. 32).
and linkage. This will help insure adequate cooling and correct engine speed and will reduce the possibility of overheating and mechanical damage to the engine. Checking the Tire Pressure Service Interval/Specification Maintain the air pressure in the front and rear tires as specified. Check the pressure at the valve stem after every 50 operating hours or monthly, whichever occurs first (Fig. 35). Check the tires when they are cold to get the most accurate pressure reading.
3. Rear wheels must lock when you try to push the machine forward. Adjustment is required if the wheels turn and do not lock; refer to Adjusting the Brake, page 29. 4. Release the brake and press upper control bar very lightly, approximately 1/2 in. (13 mm), wheels should rotate freely. 5. If both conditions are met no adjustment is required. Adjusting the Brake 1 m–5206 The brake lever is on the upper control bar (Fig. 13). If the parking brake does not hold securely, an adjustment is required.
Note: Now is the best time to install a new fuel filter because the fuel tank is empty. Refer to Replacing the Fuel Filter; page 30. 4 5. Install the fuel line onto the valve. Slide the hose clamp close to the valve to secure the fuel line. 3 1 5 2 m–2073 Figure 38 1. Hairpin cotter and washer 2. Trunnion 3. Brake lever 4. Wing nut 5. Hole F 1 2 m–5185 Servicing the Fuel Tank Figure 39 1. Fuel shut-off valve 2.
3 1 1 2 1 3 3 2 m–5234 Figure 40 1. Hose clamp 2. Fuel line m–151 Figure 41 3. Filter 1. Cutting Edge 2. Curved Area Servicing the Cutting Blade 3. Wear/slot Forming Checking for Bent Blades To ensure a superior quality of cut, keep the blades sharp. For convenient sharpening and replacement, you may want to keep extra blades on hand. 1. Rotate the blades until the ends face forward and backward (Fig. 42). Measure from a level surface to the cutting edge, position A, of the blades (Fig. 43).
Sharpening the Blades dimension exceeds 1/8 in. (3 mm), the blade is bent and must be replaced. Refer to Removing the Blades, and Installing the Blades on page 32. 1. Use a file to sharpen the cutting edge at both ends of the blade (Fig. 45). Maintain the original angle. The blade retains its balance if the same amount of material is removed from both cutting edges. Warning A blade that is bent or damaged could break apart and could seriously injure or kill you or bystanders.
Setting up the Frame 3 4 1 Checking Carrier Frame and Deck Alignment 1. Stop the engine, remove the key and disconnect the spark plug wire(s) from the spark plug(s). 5 1 2. Place a long straight edge on top of the engine deck as shown in figure 48. 2 4 m-4856 3. At the carrier frame cross tube, measure location A height (Fig. 48). This measurement must be 2–13/16 in. (71 mm), plus or minus a 1/4 in. (6 mm). 4. If the height at location A is not correct, adjustment is needed. 5.
5 5. If the height at location A and B are not the same, change tire pressure slightly to make them the same. 3 6.1 cm 24 in. 2 3 3 5 A A B 4 2 4 B 1 m–5242 Figure 50 4 1 4 1. Caster Wheel 2. Carrier Frame 3. 1/4–3/8 in. (6 mm–10 mm) pitch over 24 in. (6.1 cm) length m–5237 Figure 49 1. Back view of machine 2. Top of engine deck 3. Tires 4. Same height at locations A and B 4. Height at locations A and B 5. Caster spacers Checking Carrier Frame Side–to–Side 1.
Checking the Deck Front-to-Rear Pitch 3. To lower the front of the deck, loosen jam nut and rotate the front pin counter clockwise (Fig. 54). 3 1. Check the tire pressure on both deck and traction unit. 2 4 2. Position one blade front-to-rear (Fig. 52). Measure at C and D locations (Fig. 52) from a level surface to the cutting edge of the blade tips (Fig. 53). 3. The mower blade should be 1/4 in. (6 mm) lower in front “C” than in the rear “D”. Rotate blades and repeat for other blades.
Front 3. With the machine on level surface, position one blade front-to-rear (Fig. 57). Measure at A and from level surface to the cutting edge of the blade tips (Fig. 58). 4. The measurement should be 4 in. (102 mm). Front A A B m–1078 Figure 55 m–1078 Figure 57 MEASURE FROM CUTTING EDGE TO A LEVEL SURFACE m–2550 Figure 56 MEASURE FROM CUTTING EDGE TO A LEVEL SURFACE Changing the Side-to-Side Level m–2550 Figure 58 Changing the side–to–side leveling is done by adjusting tire pressure. 5.
Replacing the Traction Belt 3. Raise wheel off ground enough to allow belt removal. 3 1. Raise the front of the machine and hold with jack stands. 1 2. Disconnect clutch wire connector from wire harness. 3. Remove PTO drive belt. Refer to Removing the PTO Drive Belt on page 38. 4. Remove clutch retainer from the engine deck (Fig. 61). 4 5. Unhook tension spring from side of frame (Fig. 61). 2 6. Loosen pivot bolt enough to remove traction belt from the drive pulley and clutch. m–1722 7.
3. Remove the knobs holding the belt covers to the cutting unit and remove the belt covers. 2. Remove the knobs holding the carrier frame cover and remove the carrier frame cover. 4. Remove the PTO drive belt. Refer to Replacing the PTO Drive Belt on page 38. 3. Remove the knobs holding the belt covers to the top of the cutting unit and remove the belt covers. 5. Disconnect the idler arm spring to relieve tension on the idler arm and idler pulley, then remove the worn deck belt (Fig. 62). 4.
1. Raise the cutting unit so the castor wheels are off the floor, then block up the front of the mower with jack stands. Important The inside diameter of the bushings may collapse slightly when installed. If the castor wheel fork does not slide into the new bushings, ream both bushings to an inside diameter of 1.126 in. (28.6mm). 2. Remove the locking pin and spacer(s) from the top of the castor wheel fork (Fig. 64). 8. Grease the fitting on the carrier frame mounting tube using No.
3. Install bolt and nut. Place J hook end of spring around grass deflector (Fig. 67). 2 Important The grass deflector must be able to lower down into position. Lift the deflector up to test that it lowers into the full down position. 1 8 6 4 2 3 3 5 1 5 4 3 m-3986 7 Figure 66 1. Locknut 2. Wheel Bolt 3. Bushing 4. Spanner Bushing 5. Roller Bearing m-5037 Figure 67 1. 2. 3. 4. 5. 5. To assemble, place one bushing into the wheel hub.
Wiring Diagram S1 IGNITION G M KEY SWITCH BK OFF ON W G+M NONE WIRE COLOR CODES BK BN BU GN GY OR M G KEY SW. F1 BLACK BROWN BLUE GREEN GREY ORANGE PK PINK R T VIO W Y RED TAN VIOLET WHITE YELLOW PK 7.5A PK S3 BAIL SW. (NORMALLY OPEN) BN OR S2 CLUTCH SW.
Cleaning and Storage A. Run engine to distribute conditioned fuel through the fuel system (5 minutes). 1. Disengage the power take off (PTO), set the parking brake, and turn the ignition key to off. Remove the key. B. Stop engine, allow to cool and drain the fuel tank; refer to Servicing the Fuel Tank, page 30, or operate engine until it stops. 2. Remove grass clippings, dirt, and grime from the external parts of the entire machine, especially the engine.
PROBLEM Engine g loses power. Engine g overheats. Machine does not drive. Abnormal vibration. POSSIBLE CAUSES CORRECTIVE ACTION 1. Engine load is excessive. 1. Reduce ground speed. 2. Air cleaner is dirty. 2. Clean air cleaner element. 3. Oil level in crankcase is low. 3. Add oil to crankcase. 4. Cooling fins and air passages under engine blower housing are plugged. 4. Remove obstruction from cooling fins and air passages. 5. Spark plug is pitted, fouled, or gap is incorrect. 5.
PROBLEM Uneven cutting g height. g Blades do not rotate. POSSIBLE CAUSES CORRECTIVE ACTION 1. Blade(s) not sharp. 1. Sharpen blade(s). 2. Cutting blade(s) is/are bent. 2. Install new cutting blade(s). 3. Mower is not level. 3. Level mower from side-to-side and front-to-rear. 4. Underside of mower is dirty. 4. Clean the underside of the mower. 5. Tire pressure is incorrect. 5. Adjust tire pressure. 6. Blade spindle bent. 6. Contact Authorized Service Dealer. 1.
The Toro Total Coverage Guarantee LCE A One-Year Limited Warranty Conditions and Products Covered Owner Responsibilities The Toro Company and its affiliate, Toro Warranty Company, pursuant to an agreement between them, jointly promise to repair any Toro Product used for commercial, institutional, or rental purposes if defective in materials or workmanship.
