Form No. 3326–486 Mid–Size Mower ProLine Gear 17 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 or other safety information that you must know that is not included in the ANSI standards. • 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.
• 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 in. 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 Lower Control Bar – Shift transmission to reverse and squeeze the lower control bar and handle together to engage rearward traction operation. 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. Parking Brake Lever – Pull back on upper control bar and swing brake lever up against the upper handle.
Stopping the Engine 2. Lift the parking brake lock (Fig. 14) up and gradually release the upper control bar. The brake lock should stay in the set (locked) 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. Releasing the Parking Brake 3. Turn the ignition key to off (Fig. 15). 1. Pull rearward on the upper control bar (Fig. 14). Lower the parking brake lock to the released position. 2 2.
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. 5. With the engine running, pull up the blade control switch (PTO)and release without holding the blade control bail. The blades should not rotate.
3. Slowly squeeze the lower control bar and handle together to move rearward (Fig. 17). 1 Operating the Lower Control Bar 2 This procedure is for driving up a curb. This can be performed while driving forward or backward. 1. Disengage the mower blades. Warning m–4185 Figure 19 1. Lower Control Bar engaged and mower in reverse. A blade can be bent or damaged when driving up a curb. Pieces of blade that may be thrown could seriously injure or kill you or bystanders.
Using the 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 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. (0.75 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). Lubricate 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.
Always set the parking brake when you stop the machine or leave it unattended. If the parking brake does not hold securely, an adjustment is required. Checking the Brake 1. Park the machine on a level surface, disengage the power take off (PTO), set the parking brake, and turn the ignition key to off. Remove the key. 2. Set the parking brake (Fig. 38). 1 2 m–5206 Figure 36 1 1. Fuse 7.5 amp Adjusting the Electric Clutch The clutch is adjustable to ensure proper engagement and proper braking.
4. Pull the fuel line off the valve (Fig. 40). Open fuel shut-off valve and allow gasoline to drain into a gas can or drain pan. Important With the parking brake released, the rear wheels must rotate freely when you push the mower. If brake action and free wheel rotation cannot be achieved contact your service dealer immediately. 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. 3 5. Install the fuel line onto the valve.
7. Check for fuel leaks and repair if needed (Fig. 40). 2. Inspect the blades, especially the curved area (Fig. 42). If you notice any damage, wear, or a slot forming in this area (item 3 in Fig. 42), immediately install a new blade. 3 1 1 2 1 3 2 m–5234 3 Figure 41 1. Hose clamp 2. Fuel line 3. Filter m–151 Figure 42 1. Cutting Edge 2. Curved Area Servicing the Cutting Blade To ensure a superior quality of cut, keep the blades sharp.
Sharpening the Blades 2. Rotate the opposite ends of the blades forward. Measure from a level surface to the cutting edge of the blades at the same position as in step 1 above. The difference between the dimensions obtained in steps 1 and 2 must not exceed 1/8 in. (3 mm). If this 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. 46).
3. Check that the blades and spindle shafts are not bent. Refer to Checking for Bent Blades on page 31. 6 4 A 1 5 2 4. Set the height-of-cut to the 4 in. position. Refer to Adjusting the Height-Of-Cut in the Operation section. 5. Perform steps in the following sections Frame Set Up, Checking Front–to–Rear Pitch and Checking Side–to–Side Leveling. Setting up the Frame 3 Checking Carrier Frame and Deck Alignment m–5315 Figure 48 1.
Checking Carrier Frame Front–to–Rear Pitch 5 3 2 5 2 The carrier frame must have a pitch of a 1/4 in. (6 mm) over the length of 24 inches (6.1 cm) on the carrier frame. 1. Measure out 24 inches on the carrier frame (Fig. 50). A 2. Measure carrier frame height at location A (Fig. 50). B 3. Measure carrier frame height at location B (Fig. 50). 4. The height at location A must be a 1/4–3/8 in. (6 mm – 10 mm) lower than location B (Fig. 50). 5.
Checking the Deck Side-to-Side Level 1. Check the tire pressure on both deck and traction unit. MEASURE FROM CUTTING EDGE TO A LEVEL SURFACE 2. Position the blades side-to-side (Fig. 55). Measure at A and B locations (Fig. 55) from a level surface to the cutting edge of blade tips (Fig. 56). m–2539 Figure 53 3. The difference between measurements A and B should be no more than 1/4 in. (6 mm).
2. Loosen bottom two mounting screws enough to allow belt to pass between drive pulley and idler support (Fig. 59). 2. Set the height-of-cut to the 4 in. (102 mm) position following the height-of-cut decal. 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). 3. Raise wheel off ground enough to allow belt removal. 4. The measurement should be 4 in. (102 mm).
3 1 4 3 4 5 7 2 6 8 m–5321 Figure 60 1. 2. 3. 4. Traction belt Idler pulley Clutch retainer Tension spring 5. 6. 7. 8. Clutch wire connector Pivot bolt Drive pulley Engine deck 3 5 6 1 2 m–5194 Figure 61 1. Deck belt 2. Idler arm spring 3. Outward pulley Replacing the Deck Belt Squealing when the belt is rotating, blades slipping when cutting grass, frayed belt edges, burn marks and cracks are signs of a worn deck belt. Replace the deck belt if any of these conditions are evident. 4.
3. Pull the castor wheel fork out of the mounting tube, leaving the spacer(s) on the bottom of the fork. Remember the location of the spacers on each fork to ensure correct installation, and to maintain a level deck. 11. Install the belt covers onto the cutting unit, then install and tighten the knobs. 12. Install the carrier frame cover onto the cutting unit, then install and tighten the hand knobs. 5 3 1 6 1 2 3 2 2 4 5 4 m–5194 Figure 62 1. PTO engagement pulley 2. PTO drive belt idler 3.
8. Grease the fitting on the carrier frame mounting tube using No. 2 general purpose lithium base or molybdenum base grease. 2 2 1 1 3 5 4 2 3 m-3986 Figure 65 m–5197 1. Locknut 2. Wheel Bolt 3. Bushing Figure 64 1. Carrier Frame Mounting Tube 2. Bushing 4. Spanner Bushing 5. Roller Bearing 5. To assemble, place one (1) bushing into the wheel hub. Grease the roller bearing and spanner bushing and slide them into the wheel hub. Place the second bushing into the wheel hub (Fig. 65).
Note: Make sure the L end of spring is installed behind deck edge before installing the bolt as shown in figure 66. 3. Install bolt and nut. Place J hook end of spring around grass deflector (Fig. 66). 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. 8 6 4 2 3 5 1 7 m-5037 Figure 66 1. 2. 3. 4. 5. Bolt Spacer Locknut Spring Spring installed 6. Grass Deflector 7.
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 S2 BAIL SW. 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.
