Form No. 3327-396 Rev A Mid–Size Mower ProLine Pistol Grip Gear 15 HP with 44 inch Side Discharge Mower Model No. 30431—Serial No.
Warning Checking the Tire Pressure . . . . . . . . . . . . . . . . . . Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Think Safety First . . . . . . . . . . . . . . . . . . . . . . . . . Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Parking Brake and Neutral Lock . . . . . . . . . . . . . Starting and Stopping the Engine . . . . . . . . . . . . . Operating 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.
• Use care when loading or unloading the machine into or from a trailer or truck • Never remove gas cap or add fuel with engine running. Allow engine to cool before refueling. Do not smoke. • Use care when approaching blind corners, shrubs, trees, or other objects that may obscure vision. • Never refuel or drain the machine indoors. • Check that operator’s presence controls, safety switches and shields are attached and functioning properly. Do not operate unless they are functioning properly.
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. General Operation • Mow slopes side–to–side. • Check carefully for overhead clearances (i.e. branches, doorways, electrical wires) before driving under any objects and do not contact them.
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. 43-8480 93-1122 95-2814 66-1340 98-0776 67-5360 98-4387 1. Warning—wear hearing protection.
6-5532 104-8186 106-0699 104-8569 105-4111 106-5511 105-4146 106-0635 10
106-5496 1. Reverse 2. Neutral 1. Choke 2. Fast 3. Forward speeds 106-5501 3. Continuous variable setting 4. Slow 106-5514 1. Keep bystanders a safe distance from the machine. 2. Do not allow bystanders to be hit by thrown objects. 3. Do not operate the mower with the deflector up or removed. 4. Stop the engine and pick up debris before operating. 5. Cutting of hand or foot, mower. 6. Engine—stop 7. Engine—run 8. Hour meter 9. To park, move the controls as illustrated. 10.
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. Step Description 1 Handle assembly 1 Flanged bolt 3/8 x 1 inch 4 Flange nut 3/8 inch 4 Fuel tank with studs installed 1 Shift lever plate 1 Bolt, 5/16 x 7/8 inch 2 Lock washer, 5/16 inch 2 Washer, 5/16 inch 4 Spring 2 Hose clamp 1 2 3 4 5 6 7 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 m–6504 Figure 4 1. Fuel line 2. Clamp 3 No parts needed for this step. 3. Fuel tank connection 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. The clearance between top and bottom of the shift lever should be equal (Fig. 7). 6. Secure the right side of shift lever plate and fuel tank to the rear frame (Fig.
1 1 3 2 2 4 4 Rear View m–6592 2 Figure 8 1. Control rod 2. Bell crank 3 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 6 mm) clearance between the control rod and bottom of neutral/brake lock (Fig. 9). Figure 7 1. Shift lever, 2nd gear 2. Shift lever plate Step 3. Hairpin cotter 3. Shift lever, neutral 4. Equal distance 3. Install control rod to drive lever and neutral/brake lock.
Step 5 Operation Note: Determine the left and right sides of the machine from the normal operating position. Think Safety First 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. Parts needed for this step: • 2 Hairpin cotter pins The use of protective equipment for eyes, hearing, feet and head is recommended.
Parking Brake and Neutral Lock 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 left side to turn left. Always set the parking brake when you stop the machine or leave it unattended. Neutral lock and Parking brake locks – Squeeze drive levers back and move locks to the rear for neutral lock. Squeeze drive levers back and move locks to the front for parking brake lock.
Starting and Stopping the Engine Operating Mower Blade Control (PTO) Starting The blade control switch (PTO) in conjunction with the Operator Presence Control (OPC) levers engage and disengage power to the electric clutch and mower blades. 1. Make sure spark plug wire(s) are installed on spark plug(s) and fuel valve is open. 2. Move the shift lever to neutral, set the parking brake, and turn ignition key to the Run position. Engaging the Mower Blades (PTO) 1.
Understanding the Safety Interlock System Driving Forward 1. To go forward, move the shift lever to a forward gear. The safety interlock system is designed to prevent the engine from starting unless: 2. Release the parking brake; refer to Releasing the Parking Brake, page 18. • The blade control switch (PTO) is off. 3. Slowly release the drive levers to move forward (Fig. 16). • The machine is shifted into neutral. To go straight, release drive levers equally (Fig. 16).
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.
Adjusting the Gage Wheels Adjusting the Handle Height The gage wheels need to be adjusted in the proper hole location for each height-of-cut position. There needs to be 3/8 inch (10 mm) minimum clearance above the ground. 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. 20). 1.
Using the Mid–Size Weight Kit A weight kit is available for this machine. This kit is optional and can be obtain from an Authorized Service Dealer • The weight kit mounted in the front position is required when a Tru–Trak Sulky is installed. • The weight kit mounted in the back position is optional when a Tru–Trak Sulky is not installed (Fig. 21). • Installing this weight kit can improve performance on slopes without the Tru–Trak Sulky. 1 3 2 4 Figure 21 1. Weight mounted in rear position 2.
Maintenance Note: Determine the left and right sides of the machine from the normal operating position.
Air Cleaner Service 2 Service Interval/Specification 1 Foam Element: Clean and re-oil after every 25 operating hours. Paper Element: Clean after every 50 operating hours. Replace after every 200 operating hours. m–4694 Figure 23 Note: Service the air cleaner more frequently (every few hours) if operating conditions are extremely dusty or sandy. 1. Foam element 2. Oil Removing the Foam and Paper Elements Cleaning the Paper Element 1.
Engine Oil Service 1 2 Service Interval/Specification Change oil: 3 • 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 SE, SF or SG) Figure 25 Crankcase Capacity: with new filter, 57–1/2 oz. (1.7 l) 1. Oil dipstick 2. Metal end without new filter, 51 oz. (1.5 l) 3. Filler tube Viscosity: See table below Changing/Draining Oil 1.
Spark Plug Service 10. Check the oil level; refer to Checking Oil Level, page 26. Service Interval/Specification 11. If needed, slowly add additional oil to bring to the full mark on dipstick. Check the spark plug(s) after every 100 operating hours. Make sure the air gap between the center and side electrodes is correct before installing the spark plug. Use a spark plug wrench for removing and installing the spark plug(s) and a gapping tool/feeler gauge to check and adjust the air gap.
Important Never clean the spark plug(s). Always replace the spark plug(s) when it has: a black coating, worn electrodes, an oily film, or cracks. 3. Connect a grease gun to the fitting. Pump grease into the fittings until grease begins to ooze out of the bearings. 3. Check the gap between the center and side electrodes (Fig. 29). Bend the side electrode (Fig. 29) if the gap is not correct. 4. Wipe up any excess grease.
m–6367 Figure 31 m–6529 Figure 33 Lubricate the Transmission and Idler Bracket Cleaning the Cooling System 1. Lubricate the transmission couplers located in the back of the machine (Fig. 32). Service Interval/Specification Before each use, check and clean engine cooling system. Remove any build–up of grass, dirt or other debris from the cylinder and cylinder head cooling fins, air intake screen on flywheel end, and carburetor–governor levers and linkage.
3 1 2 2 1 m–6367 m–5235 Figure 34 1. Rear Tire Figure 35 2. Caster tire 1. Fuel line 2. Hose clamp Fuel Tank Service 3. Fuel shut off valve Fuel Filter Service Danger Replace the fuel filter after every 200 operating hours or yearly, whichever occurs first. In certain conditions, gasoline is extremely flammable and highly explosive. A fire or explosion from gasoline can burn you and others and can damage property.
3. The proper disengaged clearance between the clutch plates is 0.012–0.018 inch (0.30-0.45 mm). It will be necessary to check this clearance at each of the three slots to ensure the plates are parallel to each other. 1 2 3 1 2 M-4294 Figure 36 1. Hose clamp 2. Fuel line 1 3 3. Filter m–2600 Figure 38 1. Adjusting nut 2. Slot Fuse Service 3. Feeler gauge Service Interval/Specification The electrical system is protected by a fuse. It requires no maintenance.
Adjusting the Brakes 5 The brake lever is on the upper control bar (Fig. 12). If the parking brake does not hold securely, an adjustment is required. 3 7 8 4 Note: For the initial adjustment, adjust the wing nut until it is 1–1/4 inches from the top of the rod (Fig. 39). 1. Park the machine on a level surface, disengage the PTO, and set the parking brake. 2. Stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 6 3.
Front Before Inspecting or Servicing the Blades Park the machine on a level surface, disengage the blade control (PTO) and set the parking brake. Turn the ignition key to off. Remove the key and disconnect the spark plug wire(s) from the spark plug(s). A A A Inspecting the Blades 1. Inspect the cutting edges (Fig 40). If the edges are not sharp or have nicks, remove and sharpen the blades. Refer to Sharpening the Blades on page 34. m–1078 Figure 41 2.
Removing the Blades 2 Blades must be replaced if a solid object is hit, if the blade is out of balance or is bent. To ensure optimum 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. 1 m–1855 Figure 45 1. Blade 1. Hold the blade end using a rag or thickly-padded glove. Remove the blade bolt, blade stiffener, washer, and blade from the spindle shaft (Fig.
3. Place a long straight edge on top of the engine deck as shown in figure 46. 4. Measure engine deck height at location A (Fig. 47). 5. Measure engine deck height at location B (Fig. 47). 4. At the carrier frame cross tube, measure location A height (Fig. 46). This measurement must be 1–5/16 inch (33 mm), plus or minus a 1/4 inch (6 mm). 6. If the height at location A and B are not the same, change tire pressure slightly to make them the same. 5.
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. 50). Measure at C and D locations (Fig. 50) from a level surface to the cutting edge of the blade tips (Fig. 51). 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 54 5 Changing the Side-to-Side Leveling m–6371 1 Figure 52 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. 50). Measure at C and D locations (Fig. 50) from a level surface to the cutting edge of the blades (Fig. 51). 1.
MEASURE FROM CUTTING EDGE TO A LEVEL SURFACE 5 m–2550 3 4 Figure 56 2 1 5. If it does not measure correctly, add air pressure in rear tires to raise height–of–cut 6 m–6595 Figure 57 6. If it does not measure correctly, decrease air pressure in rear tires to lower height–of–cut. 1. Position A, New belt 2. Position B, Low belt wear 3. Position C, Medium belt wear 7. Check carrier frame front–to–rear pitch. 4. Position D, Most severe belt wear 5. Spring 6.
3 3 1 1 4 5 5 7 4 2 m–6597 2 6 8 m–5321 Figure 58 1. Top capscrew 2. Idler bracket 3. Idler support Figure 59 4. Bottom capscrew 5. Traction drive belt 1. 2. 3. 4. Replacing the Transmission Belt Transmission belt Idler pulley Clutch retainer Tension spring 5. 6. 7. 8.
11. Install the carrier frame cover and rubber washers onto the cutting unit, then install and tighten the hand knobs. 7. Install belt onto idler pulley and then install idler spring (Fig. 61). 8. Adjust PTO drive belt guides an 1/8 inch (3 mm) from belt (Fig. 61). 4 3 9. Install the belt covers and rubber washers onto the cutting unit, then install and tighten the knobs. 10. Install the carrier frame cover and rubber washers onto the cutting unit, then install and tighten the hand knobs.
3. Pull the caster 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. 2 1 1 2 2 m–6373 Figure 63 3 1. Mounting Tube 2. Bushing 2 4 Caster Wheel and Bearings Service The caster wheels rotate on a roller bearing supported by a spanner bushing. If the bearing is kept well lubricated, wear will be minimal.
5. To assemble, place one 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. 64). 8 6 4 2 3 6. Install the caster wheel into the caster fork and secure with the wheel bolt and locknut. Tighten the locknut until the spanner bushing bottoms against the inside of the caster forks (Fig. 64). 5 1 7. Grease the fitting on the caster wheel. 7 Replacing the Grass Deflector m–5037 Warning Figure 65 1.
Wiring Diagram WIRE COLOR CODES W 1 PK 2 PTO Switch (Off) W BK BLACK PK PINK BN BROWN R RED BU BLUE T TAN GN GREEN VIO VIOLET GY GREY W WHITE OR ORANGE Y YELLOW Y 7 5 Neutral Switch (In Neutral) 8 4 PK BU F1 10A IGNITION MODULES Y Clutch HR MTR (OPTIONAL) AC 1 Operator Presence Switch No Operator) PK PK REG 5 AC K1 Interlock Relay W MAG 2 Y T 3 4 Y KEY SWITCH HR MTR BK (OPTIONAL) BK SPARK PLUG SPARK PLUG (OPEN = ON) (CLOSED = OFF) GND 43
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 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.
