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Form No. 3327–394 Mid–Size Mower ProLine Gear 15hp with 36 in. Side Discharge Mower Model No. 30430—Serial No. 230000001 and Up Operator’s Manual English (EN)
Authorized Service attention to the safety alert symbol, which means Dealer or Toro Customer Service and have the model and CAUTION, WARNING, or DANGER—“personal serial numbers of your product ready. Figure 1 illustrates safety instruction.” Failure to comply with the the location of the model and serial numbers on the instruction may result in personal injury or death.
Slow down and use caution when making turns and The following list contains safety information specific crossing roads and sidewalks. Stop blades if not to Toro products and other safety information you mowing. must know. Be aware of the mower discharge direction and do not This product is capable of amputating hands and feet and point it at anyone.
Allow to cool before attempting Use only genuine replacement parts to ensure that to maintain, adjust or service. original standards are maintained. Use only Toro-approved attachments. Warranty may be Check brake operation frequently. Adjust and service as voided if used with unapproved attachments. required.
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. 43-8480 93-1122 95-2814 66-1340 98-0776 67-5360 98-4387 1. Warning—wear hearing protection. 68-8340...
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106-5496 1. Reverse 2. Neutral 3. Forward speeds 106-5501 1. Choke 2. Fast 3. Continuous variable setting 4. Slow 106-5514 1. Keep bystanders a safe 4. Stop the engine and pick up 8. Hour meter 11. To place the machine in distance from the machine.
Gasoline and Oil Recommended Gasoline Warning Use UNLEADED Regular Gasoline suitable for automotive use (85 pump octane minimum). Leaded regular gasoline Gasoline is harmful or fatal if swallowed. may be used if unleaded regular is not available. Long–term exposure to vapors can cause serious injury and illness.
Hairpin cotter pin washers No parts needed Checking the tire pressure Oil drain hose Use for draining engine oil Operator’s Manual Read before operating machine Engine Operator’s Manual Read before operating machine Parts Catalog Registration card Fill out and return to Toro...
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...
m–6504 Figure 4 No parts needed for this step. 1. Fuel line 3. Fuel tank connection 2. Clamp Adjusting the Shift Lever Plate 5. Slide the shift lever plate over the shift lever (Fig. 6). 1. Shift lever to second gear and check alignment of lever in slot of shifter lever plate.
Rear View m–6592 Figure 8 1. Control rod 3. Hairpin cotter 2. Bell crank m–5458 2. Adjust control rod length by threading rod in or out of rod fitting until there is a 3/16 to 1/4 inch (5 mm to Figure 7 6 mm) clearance between the control rod and bottom of 1.
Parts needed for this step: No parts needed for this step. 2 Hairpin cotter pins Checking the Tire Pressure Installing the Hairpin Cotter Refer to Page 29 for the correct correct tire pressure. Pins and Washers Unused height–of–cut spacers may be stored on posts and retained by a hairpin cotter.
Operation Drive levers – Shift to desired gear and release drive levers to engage forward traction operation and squeeze to reverse. Squeeze right side of drive lever to turn right and Note: Determine the left and right sides of the machine left side to turn left.
Parking Brake and Neutral Starting and Stopping the Lock Engine Starting Always set the parking brake when you stop the machine or leave it unattended. 1. Make sure spark plug wire(s) are installed on spark plug(s) and fuel valve is open. Setting the Parking Brake 2.
Operating Mower Blade Understanding the Safety Interlock System Control (PTO) The safety interlock system is designed to prevent the The blade control switch (PTO) in conjunction with the engine from starting unless: Operator Presence Control (OPC) levers engage and The blade control switch (PTO) is off. disengage power to the electric clutch and mower blades.
2. Release the parking brake; refer to Releasing the Caution Parking Brake, page 19. 3. Slowly release the drive levers to move forward Children or bystanders may be injured if they (Fig. 16). move or attempt to operate the machine while it is To go straight, release drive levers equally (Fig.
Adjusting the Height-of-Cut Adjusting the Center Gage Wheels The height-of-cut can be adjusted from 1 to 4-1/2 inch (25 to 114 mm) in 1/4 inch (6 mm) The gage wheels need to be adjusted in the proper hole increments. Adjustment is done by relocating four hairpin location for each height-of-cut position.
Adjusting the Handle Height The handle position can be adjusted to match the operator’s height preference. 1. Remove hairpin cotter, washer and clevis pin securing control rod fitting to idler bracket (Fig. 19). m–6591 Figure 19 1. Upper handle 5. Upper mounting hole 2.
Maintenance Note: Determine the left and right sides of the machine from the normal operating position. Recommended Maintenance Schedule Maintenance Service Maintenance Procedure Interval Oil—check level Safety System—check Each Use Brake—check Engine—clean outside Mower Housing—clean Mower Housing—clean Caster Wheels—grease 8 Hours Caster Pivot—grease Cutting Blades—check Foam Air Cleaner—clean...
Servicing the Air Cleaner Service Interval/Specification Foam Element: Clean and re-oil after every 25 operating hours. Paper Element: Clean after every 25 operating hours. Replace after every 100 operating hours. m–5193 Figure 21 Note: Service the air cleaner more frequently if operating conditions are extremely dusty or sandy.
Servicing the Engine Oil 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. Oil Type: Detergent oil (API service SF, SG or SH) Figure 23 Crankcase Capacity: w/filter, 64 oz.
7. Slowly pour approximately 80% of the specified oil into Servicing the Spark Plug the filler cap (Fig. 23). Refer to Servicing the Engine Oil, page 26. Service Interval/Specification 8. Check the oil level; refer to Checking the Oil Level, Check the spark plug(s) after every 200 operating hours.
2. Check the gap between the center and side electrodes (Fig. 27). Bend the side electrode (Fig. 27) if the gap is not correct. 0.040 in. (1.02 mm) Figure 27 1. Center electrode insulator 3. Air gap (not to scale) 2.
Lubricate the Transmission and Idler Checking the Tire Pressure Bracket Service Interval/Specification 1. Lubricate the transmission couplers located in the back of the machine (Fig. 30). Maintain the air pressure in the front and rear tires as specified. Check the pressure at the valve stem after every 40 operating hours or monthly, whichever occurs first (Fig.
3. Squeeze the ends of the hose clamp together and slide it 8. Check for fuel leaks and repair if needed (Fig. 33). away from valve (Fig. 33). 4. Pull the fuel line off the valve (Fig. 33). Open fuel shut-off valve and allow gasoline to drain into a gas can or drain pan.
2. Check adjustment by inserting feeler gauge thru slots 4. Rear wheels must lock when you try to push the next to studs (Fig. 36). machine forward or backward. Adjustment is required if the wheels turn and do not lock. Refer to Adjusting the 3.
Before Inspecting or Servicing the Blades Important With the parking brake released, the rear wheels must rotate freely when you push the mower. If Park the machine on a level surface, disengage the blade brake action and free wheel rotation cannot be achieved control (PTO) and set the parking brake.
To ensure optimum 1. Blade 2. Balancer performance and continued safety conformance of the machine, use genuine TORO replacement blades. Replacement blades made by other manufacturers may result in non-conformance with safety standards. Installing the Blades 1.
4. At the carrier frame cross tube, measure location A Important The sail part of the blade must be pointing height (Fig. 44). This measurement must be 1–5/16 inch upward, toward the inside of the mower to ensure proper (33 mm), plus or minus a 1/4 inch (6 mm). (Fig.
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6. If the height at location A and B are not the same, change tire pressure slightly to make them the same. 24 in. (61cm) m–6370 Figure 46 1. Caster Wheel 4. Height at locations A and B m–5237 2. Carrier Frame 5.
MEASURE FROM CUTTING EDGE TO A LEVEL SURFACE m–1087 Figure 49 Changing the Deck m–6371 Front-to-Rear Pitch Figure 47 1. Caster Wheel 4. Same height at locations Changing the front–to–rear pitch is done by adjusting the A and B 2. Carrier Frame front height–of–cut posts.
Checking the Deck 2. Set the height-of-cut to the 4 inch (101.6 mm) position following the height-of-cut decal. Side-to-Side Leveling 3. With the machine on level surface, position one blade front-to-rear (Fig. 53). Measure at A and from level 1. Check the tire pressure on both deck and traction unit. surface to the cutting edge of the blade tips (Fig.
Position B – Low belt wear 6. Tighten the bottom two mounting screws enough to allow the belt to pass between the drive pulley and idler Position C – Medium belt wear support (Fig. 56). Position D – Most severe belt wear Note: Do not over extend the spring.
10. Reinstall the belt covers onto the cutting unit, then reinstall and tighten the knobs/rubber washers. 11. Reinstall the carrier frame cover onto the cutting unit, then reinstall and tighten the knobs/rubber washers. m–6372 Figure 60 1. Locking Pin 3. Carrier frame mounting tube 2.
Caster Wheel and Bearings Replacing the Grass Deflector Service Warning The caster wheels rotate on a roller bearing supported by a spanner bushing. If the bearing is kept well lubricated, wear An uncovered discharge opening could allow the will be minimal. Failure to keep the bearing well lubricated will cause rapid wear.
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 B. Stop engine, allow to cool and drain the fuel tank; brake, and turn the ignition key to Off. Remove the key. refer to Servicing the Fuel Tank, page 29, or operate engine until it stops.
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PROBLEM POSSIBLE CAUSES CORRECTIVE ACTION Engine loses power. Engine load is excessive. Reduce ground speed. Air cleaner is dirty. Clean air cleaner element. Oil level in crankcase is low. Add oil to crankcase. Cooling fins and air passages Remove obstruction from under engine blower housing cooling fins and air passages.
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PROBLEM POSSIBLE CAUSES CORRECTIVE ACTION Uneven cutting height. 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.
If for any reason you are dissatisfied with your Distributor’s service or have difficulty obtaining guarantee information, contact the Toro importer. If all other remedies fail, you may contact us at Toro Warranty Company.