Form No. 3327–376 Mid–Size Mower ProLine T–Bar Gear 15hp with 52 in. Side Discharge Mower Model No. 30319—Serial No.
Warning Installing the Rear Weight . . . . . . . . . . . . . . . . . . Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Think Safety First . . . . . . . . . . . . . . . . . . . . . . . . Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Using the Parking Brake . . . . . . . . . . . . . . . . . . . Starting and Stopping the Engine . . . . . . . . . . . . Operating the Mower Blade Control (PTO) . . . . The Safety Interlock System . . . . . . . . . . . . . .
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. Note: The addition of attachments made by other manufacturers that do not meet American National Standards Institute certification will cause noncompliance of this machine.
• Never remove gas cap or add fuel with engine running. Allow engine to cool before refueling. Do not smoke. • Slow down and use caution when making turns and crossing roads and sidewalks. Stop blades if not mowing. • Never refuel or drain the machine indoors. • Be aware of the mower discharge direction and do not point it at anyone. • Check that operator’s presence controls, safety switches and shields are attached and functioning properly. Do not operate unless they are functioning properly.
• Keep all movement on slopes slow and gradual. Do not make sudden changes in speed or direction. This product is designed for cutting and recycling grass or, when equipped with a grass bagger, for catching cut grass. Any use for purposes other than these could prove dangerous to user and bystanders. • Avoid starting or stopping on a slope. If tires lose traction, disengage the blades. • Check carefully for overhead clearances (i.e.
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 98-0776 106-5532 98-4387 1. Warning—wear hearing protection.
106-5494 106-5499 1. Engine—stop 2. Engine—start 3. Move the control bar to the handle, then pull the knob.
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.
Set Up 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. Step 1 2 3 4 5 6 7 8 Description Qty.
Step 1 Step 2 Parts needed for this step: Parts needed for this step: • 1 Handle assembly • 1 Fuel tank with studs installed • 4 Flange bolts, 3/8 x 1 inch • 1 Shift lever plate • 4 Flange nuts, 3/8 inch • 2 Bolts, 5/16 x 7/8 inch • 2 Lock washers, 5/16 inch Installing the Handle Assembly • 2 Flat washers, 5/16 inch 1. Align handle with upper mounting holes in rear frame (Fig. 2). • 2 Springs • 1 Hose clamp 2.
Step 2 1 3 No parts needed for this step. Figure 4 1. Fuel line 2. Clamp 3 3. Fuel tank connection Adjusting the Shift Lever Plate 1. Shift lever to second gear and check alignment of lever in slot of shifter lever plate. The clearance between top and bottom of the shift lever should be equal (Fig. 7). 5. Secure the right side of shift lever plate and fuel tank to the rear frame (Fig. 5) with 2 bolts (5/16 x 7/8 inch), lock washers (5/16 inch) and washers (5/16 inch) (Fig. 5). 2.
1 5 1 2 4 2 3 4 4 4 Rear View 6 m–5316 2 Figure 8 1. Control rod and fitting 2. 3–1/2inch (89 mm) 3. Idler bracket 3 m–5458 Figure 7 1. Shift lever, 2nd gear 2. Shift lever plate Step 4. Clevis pin, washer and hairpin cotter 5. Rod fitting 6. Hole F 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 inch (25–32 mm) (Fig. 9). 3. Shift lever, neutral 4.
Note: Make sure brake rod is installed in front (F) mounting hole in idler bracket. 3 2 2 1 3 1 m-6505 Figure 11 1. Hairpin cotter 2. Unused spacers m–5233 Step Figure 10 1. Upper control bar 2. Parking brake lever Step 3. Fixed bar 5 3.
1 3 2 4 Figure 12 1. Weight 2. Capscrew 3. Washer 4. Nut Warning With the weight installed in the rear position, the front end of the machine can rapidly raise up when the mower is removed. This could cause serious injury to you or bystanders. • Support the rear of the machine when removing the mower from the carrier frame.
Operation Upper Control Bar – Shift to desired gear and push forward on control bar to engage forward traction operation and pull back to brake forward movement. Pull back on right side of control bar to turn right and left side to turn left. Note: Determine the left and right sides of the machine from the normal operating position. Lower Control Bar – Shift transmission to reverse and squeeze the lower control bar and handle together to engage rearward traction assist operation.
Using the Parking Brake 4. Grasp recoil starter handle firmly and pull out until positive engagement results; then pull handle vigorously to start engine and allow rope to recoil slowly. Stop on level ground, disengage drives, engage parking brake, shut off engine and remove key. Always set the parking brake when you stop the machine or leave it unattended.
• The blade control switch (PTO) is pulled on. 3. Pull blade switch (PTO) up and release. Hold blade control bail against control bar while operating. The safety interlock system is designed to stop the mower blades if you release the blade control bail. 4. Repeat procedure to engage mower blades if blade control bail is released. Testing the Safety Interlock System 2 1 Test the safety interlock system before you use the machine each time.
5. Drive machine until drive wheels contact curb (Fig. 19). 1 6. Lower the front of the machine (Fig. 19). Note: Both drive wheels should contact the curb and caster wheels straight. 2 7. At the same time engage lower control bar and lift up on handle to drive over the curb (Fig. 18 and 19). Note: Lifting up on handle will assist driving the machine up a curb and not spin the drive wheels. 3 m–6443 2 Figure 18 1. Upper control bar 2. Lower control bar 1 3. Shift lever Driving Backward 1.
Adjusting the Height-of-Cut Caution Children or bystanders may be injured if they move or attempt to operate the machine while it is unattended. The height-of-cut can be adjusted from 1 to 4-1/2 inch (25 to 114 mm) in 1/4 inch (6 mm) increments. Adjustment is done by relocating four hairpin cotter pins in different hole location and by adding or removing spacers. Always remove the ignition key and set the parking brake when leaving the machine unattended, even if just for a few minutes.
1. After adjusting height-of-cut, check the gage wheels so that there is a minimum of 3/8 inch (10 mm) clearance above the ground (Figures 21, 22, and 23). 3 2. If adjustment is needed, remove the bolt, washer(s) and nut (Figures 21, 22, and 23). 4 3. Select a hole position so the gage wheels are a minimum of 3/8 inch (10 mm) off the ground (Figures 21, 22, and 23). 4. Install the bolt, washer(s) and nut (Figures 21, 22, and 23). 1 4 1 2 m–6510 Figure 23 1. Center Gage Wheels and Spacer 2. Nut 3.
4 5 6 2 1 3 7 1 8 3 2 m–6403 Figure 25 1. 2. 3. 4. Upper handle Rear frame Flange nut, 3/8 inch Flange bolt, 3/8 x 1 inch 5. 6. 7. 8. 4 Figure 26 Upper mounting hole Lower mounting holes Low position High position 1. Weight mounted in rear position 2. Capscrew 3. Remove the lower flange bolts (3/8 x 1 inch) and flange nuts securing handle to rear frame (Fig. 25). 3. Washer 4. Nut Warning 4.
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 2 Foam Element: Clean and re-oil after every 25 operating hours. 1 Paper Element: Clean after every 25 operating hours. Replace after every 100 operating hours. Note: Service the air cleaner more frequently if operating conditions are extremely dusty or sandy. m–5193 Figure 28 Removing the Foam and Paper Elements 1. Foam element 1.
3. Install the air cleaner cover and secure with cover nuts (Fig. 27). 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 30 1. Oil dipstick 2. Metal end Oil Type: Detergent oil (API service SF, SG or SH) 3. Filler tube Crankcase Capacity: w/filter, 64 oz. (1.
7. Slowly pour approximately 80% of the specified oil into the filler cap (Fig. 30). Refer to Servicing the Engine Oil, page 28. Servicing the Spark Plug 8. Check the oil level; refer to Checking the Oil Level, page 28. Check the spark plug(s) after every 200 operating hours. Make sure the air gap between the center and side electrodes is correct before installing the spark plug.
Lubricating the Caster and Wheel Bearings 2. Check the gap between the center and side electrodes (Fig. 34). Bend the side electrode (Fig. 34) if the gap is not correct. 2 1. Lubricate the front wheel bearings and front spindles until grease begins to ooze out of the bearings (Fig. 35). 3 1 2. Raise the rear of the machine and use jack stands to support the machine. 0.040 in. (1.02 mm) 3. Remove the rear wheel and tire assembly. 4. Remove rear wheel grease cap. Lubricate the rear wheel bearing (Fig.
Greasing the PTO Drive Belt Idler Arm Pivot 1. Stop the engine, set the parking brake, remove the key and disconnect the spark plug wire(s) from the spark plug(s). 2. Grease the idler arm pivot (Fig. 37). 1 2 m–6367 Figure 38 1. Rear Tire 2. Caster tire Servicing the Fuse Service Interval/Specification The electrical system is protected by a fuse. It requires no maintenance. If the fuse blows check component or circuit for malfunction or short. To replace fuse pull out on the fuse (Fig.
Checking the Brakes 4 1. Park the machine on a level surface, disengage the PTO. 7 2. Stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 6 3 3. Apply the parking brake. The wheels must lock when you try to push the machine forward. 4. If the wheels do not lock, adjust the brakes. Refer to Adjusting the Brakes on page 32. 4 5. Release the brake and press upper control bar very lightly, approximately 1/2 inch (13 mm).
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 33. 2 1 5. Install the fuel line onto the valve. Slide the hose clamp close to the valve to secure the fuel line. 3 m–2600 Figure 41 1. Adjusting nut 2. Slot 3. Feeler gauge 1 2 m–5185 Servicing the Fuel Tank Figure 42 1. Fuel shut-off valve Danger In certain conditions, gasoline is extremely flammable and highly explosive.
8. Check for fuel leaks and repair if needed (Fig. 42). 3 1 1 2 3 1 3 2 m–151 m–5234 Figure 44 Figure 43 1. Hose clamp 2. Fuel line 1. Cutting Edge 2. Curved Area 3. Filter 3. Wear/slot Forming Checking for Bent Blades Servicing the Cutting Blades 1. Rotate the blades until the ends face forward and backward (Fig. 45). Measure from a level surface to the cutting edge, position A, of the blades (Fig. 46). Note this dimension. To ensure a superior quality of cut, keep the blades sharp.
1/8 inch (3 mm), the blade is bent and must be replaced. Refer to Removing the Blades, and Installing the Blades on page NO TAG. 1 Warning m–1854 A blade that is bent or damaged could break apart and could seriously injure or kill you or bystanders. Figure 48 1. Sharpen at original angle • Always replace bent or damaged blade with a new blade. • Never file or create sharp notches in the edges or surfaces of blade. 2. Check the balance of the blade by putting it on a blade balancer (Fig. 49).
5. Set the height-of-cut to the 4 inch (101.6 mm) position. Refer to Adjusting the Height-Of-Cut in the Operation section. Checking Engine Deck Height 6. Perform steps in the following sections Frame Set Up, Checking Front–to–Rear Pitch and Checking Side–to–Side Leveling. 2. Stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 1. Disengage the PTO and set the parking brake. 3. Adjust the tire pressure in all tires to specifications on page 31.
5 3 Checking the Deck Front-to-Rear Pitch 24 in. (61cm) 1. Check the tire pressure on both deck and traction unit. 2. Position one blade front-to-rear (Fig. 54). Measure at C and D locations (Fig. 54) from a level surface to the cutting edge of the blade tips (Fig. 55). 5 A B 2 4 4 3. The mower blade should be 1/4 inch (6 mm) lower in front at C than in the rear at D. Rotate blades and repeat for other blades. If it is not correct, proceed to Changing the Deck Front–to–Rear Pitch.
3 2 4 MEASURE FROM CUTTING EDGE TO A LEVEL SURFACE m–2550 Figure 58 5 Changing the Side-to-Side Leveling m–6371 1 Figure 56 1. Caster Wheel 2. Carrier Frame 3. Front height–of–cut pins Changing the side–to–side leveling is done by adjusting tire pressure. 4. Jam nut 5. Ball joint Changing the Side–to–Side Leveling with Tire Pressure 4. Position the blades front-to-rear (Fig. 54). Measure at C and D locations (Fig. 54) from a level surface to the cutting edge of the blades (Fig. 55). 1.
Front 6. Tighten the bottom two mounting screws enough to allow the belt to pass between the drive pulley and idler support (Fig. 61). A 3 1 5 4 m–1078 Figure 59 2 m–1722 Figure 61 MEASURE FROM CUTTING EDGE TO A LEVEL SURFACE 1. Top capscrew 2. Idler bracket 3. Idler support 4. Bottom capscrew 5. Traction drive belt m–2550 Figure 60 Replacing the Transmission Belt 5. If it does not measure correctly, add air pressure in rear tires to raise height–of–cut 1.
3 1 4 3 4 5 7 2 6 8 m–5321 1. 2. 3. 4. Transmission belt Idler pulley Clutch retainer Tension spring 5. 6. 7. 8. 3 5 Figure 62 6 Clutch wire connector Pivot bolt Drive pulley Engine deck 1 2 m–6530 Figure 63 1. Deck belt 2. Idler arm spring 3. Outside pulley 4. PTO drive Belt 5. Center Spindle Pulley 6.
5 3 6 1 1 2 3 2 2 4 5 4 m–6530 m–6372 Figure 64 1. PTO engagement pulley 2. PTO drive belt idler 3. PTO drive Belt Figure 65 4. Center Spindle Pulley 5. PTO Drive belt guide 6. Idler Spring 1. Locking Pin 2. Spacers (locate as required) 3. Carrier frame mounting tube 4. Caster wheel fork Replacing the Caster Wheel Fork Bushings 4. Insert a pin punch into the mounting tube and carefully drive out the bushings (Fig. 66). Clean the inside of the mounting tube.
Caster Wheel and Bearings Service Replacing the Grass Deflector Warning The caster wheels rotate on a roller bearing supported by a spanner bushing. If the bearing is kept well lubricated, wear will be minimal. Failure to keep the bearing well lubricated will cause rapid wear. A wobbly caster wheel usually indicates a worn bearing. An uncovered discharge opening could allow the lawn mower to throw objects in the operator’s or bystander’s direction and result in serious injury.
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 1. Disengage the power take off (PTO), set the parking brake, and turn the ignition key to off. Remove the key. 2. Remove grass clippings, dirt, and grime from the external parts of the entire machine, especially the engine. Clean dirt and chaff from the outside of the engine’s cylinder head fins and blower housing. Important You can wash the machine with mild detergent and water. Do not pressure wash the machine.
Troubleshooting PROBLEM Engine g will not start,, starts hard,, or f il to kkeep running. fails i Engine g loses power. Engine g overheats. Machine does not drive. POSSIBLE CAUSES CORRECTIVE ACTION 1. Fuel tank is empty. 1. Fill fuel tank with gasoline. 2. Choke is not ON. 2. Move throttle lever to choke position. 3. Air cleaner is dirty. 3. Clean or replace air cleaner element. 4. Spark plug wire is loose or disconnected. 4. Install wire on spark plug. 5.
PROBLEM Abnormal vibration. Uneven cutting g height. g Blades do not rotate. POSSIBLE CAUSES CORRECTIVE ACTION 1. Cutting blade(s) is/are bent or unbalanced. 1. Install new cutting blade(s). 2. Blade mounting bolt is loose. 2. Tighten blade mounting bolt. 3. Engine mounting bolts are loose. 3. Tighten engine mounting bolts. 4. Loose engine pulley, idler pulley, or blade pulley. 4. Tighten the appropriate pulley. 5. Engine pulley is damaged. 5. Contact Authorized Service Dealer. 6.
The Toro Total Coverage Guarantee LCE A 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 the listed Toro Products if defective in materials or workmanship. The following time periods apply from the date of purchase: You must maintain your Toro Product by following the maintenance procedures described in the operator’s manual.
