Form No. 3327–410 Mid–Size Mower ProLine Hydro 17 HP with 52 inch Side Discharge Mower Model No. 30436—Serial No. 230000001 and Up Operator’s Manual Register your product at www.Toro.
Warning Checking the Tire Pressure . . . . . . . . . . . . . . . . . Installing the Mid Size Weight . . . . . . . . . . . . . . Activating the Battery . . . . . . . . . . . . . . . . . . . . . Checking the Hydraulic Fluid and Engine Oil . . Setting Up the Hydro Linkage . . . . . . . . . . . . . . . Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Think Safety First . . . . . . . . . . . . . . . . . . . . . . . . Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Checking the Deck Front-to-Rear Pitch . . . . . . . Changing the Deck Front-to-Rear Pitch . . . . . . . Checking the Deck Side-to-Side Leveling . . . . . Changing the Side-to-Side Leveling . . . . . . . . . . Matching the Height of Cut . . . . . . . . . . . . . . . . . Replacing the Mower Belt . . . . . . . . . . . . . . . . . . Replacing the PTO Drive Belt . . . . . . . . . . . . . . . Replacing the Caster Wheel Fork Bushings . . . . Caster Wheel and Bearings Service . . . . . . . . . . .
• The owner/user can prevent and is responsible for accidents or injuries occurring to himself or herself, other people or property. • Never operate with the discharge deflector raised, removed or altered, unless using a grass catcher. Preparation • Evaluate the terrain to determine what accessories and attachments are needed to properly and safely perform the job. Only use accessories and attachments approved by the manufacturer.
• Disconnect battery or remove spark plug wire before making any repairs. Disconnect the negative terminal first and the positive last. Reconnect positive first and negative last. • Stop the engine before removing the grass catcher or unclogging the chute. • Use care when checking blades. Wrap the blade(s) or wear gloves, and use caution when servicing them. Only replace blades. Never straighten or weld them. • Watch for traffic when operating near or crossing roadways.
• Do not mow up and down slopes. Service • Never store the machine or fuel container inside where there is an open flame, such as near a water heater or furnace. • Keep nuts and bolts tight, especially the blade attachment bolts. Keep equipment in good condition. • Never tamper with safety devices. Check safety systems for proper operation before each use. • Use only genuine replacement parts to ensure that original standards are maintained. • Check brake operation frequently.
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.
5-4110 98-0776 106-5532 98-4387 1. Warning—wear hearing protection.
106-0635 106-5516 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. Engine—ignition 9. Hour meter 1. Choke 2. Fast 10. To drive forward, move the controls as illustrated. 11. To place the machine in neutral, move the controls as illustrated. 12.
104-4164 1. Contains lead; do not discard. 2. Recycle 3. Wear eye protection; explosive gases can cause blindness and other injuries 4. No sparks, flame, or smoking 104-4163 1. Explosion hazard 2. No fire, open flames, or smoking. 3. Caustic liquid/chemical burn hazard 4. Wear eye protection 5. Read the Operator’s Manual. 6. Keep bystanders a safe distance from the battery. 12 5. Sulfuric acid can cause blindness or severe burns. 6. Flush eyes immediately with water and get medical help fast. 7.
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 1 2 3 4 5 6 7 8 9 Description Qty.
Step Description 10 No parts needed 11 Step Qty.
Step 2 Note: Tighten left side of shift lever plate until it is completely tight and then unscrew the locknut one full turn. This will allow the spring to work. 6 7 Parts needed for this step: • 1 Fuel tank with studs installed 3 • 2 Bolts, 5/16 x 7/8 inch • 2 Lock washers, 5/16 inch • 2 Flat washers, 5/16 inch 4 2 5 1 m–6583 Figure 4 • 2 Springs 1. 2. 3. 4. • 1 Hose clamp Installing the Fuel Tank 1. Align the fuel tank with the top of the rear frame (Fig. 4). 2.
3 Step 4 Step Parts needed for this step: Parts needed for this step: • 2 E–clips • 1 Cotter pin • 1 Washer Installing the Control Rods Installing the Speed Control Rod 1. For a starting point, make sure the rod fittings are threaded approximately 2–1/2 inches (63 mm) onto the control rods (Fig. 5). 1. Install the swivel into the speed control crank and secure it with a washer and cotter pin (Fig. 6). 2. Install the rod fittings into the and secure them with E–rings (Fig. 5).
Step 5 7 Step Parts needed for this step: Parts needed for this step: • 2 Hairpin cotter pins • 1 Rear weight • 2 Capscrews Installing the Hairpin Cotter Pins and Washers • 2 Washers • 2 Nuts Unused height–of–cut spacers may be stored on posts and retained by a hairpin cotter. Installing the Mid Size Weight 1. On the opposite side of the muffler, install unused washers and hairpin cotter pins into front and rear height–of–cut pins (Fig. 7). 1.
Step 8 Note: Never fill the battery with electrolyte while the battery installed in the machine. Electrolyte can be spilled on other parts and cause corrosion. 3. Remove the vent caps from the battery (Fig. 37). 4. Slowly pour electrolyte into each battery cell until the level is up to the “UPPER” line (Fig. 37) on the battery case. Important Do not overfill the battery because electrolyte (sulfuric acid) can cause severe corrosion and damage to the chassis. No parts needed for this step.
8. When the battery is fully charged, unplug the charger from the electrical outlet, then disconnect the charger leads from the battery posts (Fig. 10). Step 4 2 1 3 10 No parts needed for this step. Setting Up the Hydro Linkage Check the following adjustments when the machine is first set up and adjust only as needed. Do them in the order that they are listed here. m-4970 Figure 10 1. Positive Battery Post 2. Negative Battery Post 3. Red (+) Charger Lead 4.
Operation Drive levers – Move the speed control lever to the desired forward speed, slowly release the drive levers to engage forward traction operation, and squeeze the drive levers to neutral or reverse. When moving forward, squeeze the right drive lever to turn right and the left drive lever to turn left. Note: Determine the left and right sides of the machine from the normal operating position. Think Safety First Neutral lock – Squeeze drive levers back and rotate locks to the rear for neutral lock.
Stopping Note: Make sure maintenance is done at all recommended intervals shown in the Recommended Maintenance Schedule on page 29. 1. Move the throttle lever to the Slow position (Fig. 13). 2. Squeeze the drive levers to the Neutral position and set the neutral locks. Starting and Stopping the Engine Note: If the engine has been working hard or is hot, let it idle for a minute before turning the ignition key “OFF.” This helps cool the engine before it is stopped.
2. Place thumbs on the upper part of the neutral locks and rotate them forward until in forward slot (Fig. 14). Operating Mower Blade Control (PTO) Operating the Parking Brake 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. Always set the parking brake when you stop the machine or leave it unattended. Before each use, check brake for proper operation.
Understanding the Safety Interlock System 2. To go forward, move the speed control lever to desired speed. The safety interlock system is designed to prevent the mower from starting unless: 3. Release the neutral lock. Refer to Releasing the Neutral Lock on page 22. • The blade control switch (PTO) is off. 4. Slowly release the drive levers to move forward (Fig. 17). • The speed control lever is in neutral. To go straight, release drive levers equally (Fig. 17).
3. Move the speed control lever into neutral. Important Rotate by-pass valve a maximum of 2 turns so the valve does not come out of the body causing fluid to run out. 4. Turn the ignition key to Off. 5. Set the parking brake if it is left unattended. To Operate the Machine Note: Remember to remove the key from the ignition switch if you leave the machine. To operate the machine, ensure the by–pass valves are closed. Caution Note: The machine will not drive unless by-pass valves are closed.
Adjusting the Height-of-Cut Adjusting the 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) increments. Adjustment is done by relocating four hairpin cotter pins in different hole location and by adding or removing spacers. 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. 1.
3 4 1 3 4 2 1 4 5 2 6 Figure 22 1. Center Gage Wheels and Spacer 2. Nut m–6602 3. Bolt 4. Washer Figure 24 1. Speed control rod 2. Swivel 3. Nut Adjusting the Handle Height 4. Speed control crank 5. Cotter pin 6. Washer 3. Loosen the upper flange bolts (3/8 x 1 inch) and flange nut securing handle to rear frame (Fig. 25). The handle position can be adjusted to match the operator ’s height preference. 4.
7. Adjust the control rod length by rotating the control rod in the rod fitting (Fig. 5). 8. Install hairpin cotter between drive levers and neutral locks and into clevis pins (Fig. 23). Note: Make sure the clevis pins are inserted into the neutral locks. 9. Perform the hydraulic linkage adjustments when the handle height is changed. Refer Hydraulic Linkage Adjustments on page 40. Using the Mid–Size Weight This machine includes a weight installed in the rear position (Fig. 26).
Maintenance Note: Determine the left and right sides of the machine from the normal operating position.
Caution If you leave the key in the ignition switch, someone could accidently start the engine and seriously injure you or other bystanders. Remove the key from the ignition and disconnect the spark plug wire from the spark plug(s) before you do any maintenance. Set the wire aside so that it does not accidentally contact the spark plug. Servicing the Air Cleaner 4. Unscrew nut and remove the air cleaner assembly (Fig. 27). Service Interval and Specification 5.
Viscosity: See table below 1 2 Checking the Engine Oil Level m–4695 1. Park the machine on a level surface. Figure 29 1. Paper element 2. Disengage the power take off (PTO), set the parking brake, and turn the ignition key to off. Remove the key. 2. Rubber seal 3. Clean around the oil dipstick (Fig. 30) so dirt cannot fall into the filler hole and damage the engine. Installing the Foam and Paper Elements 4. Unscrew the oil dipstick and wipe the metal end clean (Fig. 30).
Changing the Engine Oil 1. Drain the oil from the engine; refer to Changing the Engine Oil, page 32. 1. Start the engine and let it run five minutes. This warms the oil so it drains better. 2. Remove the old filter (Fig. 32). 3. Apply a thin coat of new oil to the rubber gasket on the replacement filter. 2. Park the machine so that the drain side is slightly lower than the opposite side to assure the oil drains completely. 3. Disengage the PTO and set the parking brake. 4.
2. Tighten the spark plug(s) to 11 ft-lb (15 N m). 4. Remove the spark plug(s). 3. Push the wire(s) onto the spark plug(s) (Fig. 33). Fuse Service 1 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. 35) to remove or replace it. 2 Fuse: M-4294 F1– 10 amp, blade-type Figure 33 1. Spark plug wire installed 2.
Removing the Battery 4. Using the bolt and nut, connect the negative (black) cable to the negative (–) battery post (Fig. 36). Slide the rubber cover over the battery post. Warning 5 6 8 1 2 Battery terminals or metal tools could short against metal tractor components causing sparks. Sparks can cause the battery gasses to explode, resulting in personal injury. 4 9 3 • When removing or installing the battery, do not allow the battery terminals to touch any metal parts of the tractor.
3. If the electrolyte is low, add the required amount of distilled water; refer to Adding Water to the Battery, page 35. Important Always keep the battery fully charged (1.265 specific gravity). This is especially important to prevent battery damage when the temperature is below 32°F (0°C). Danger 1. Remove the battery from the chassis; refer to Removing the Battery, page 34. Battery electrolyte contains sulfuric acid which is a deadly poison and causes severe burns. 2.
Greasing the PTO Drive Belt Idler 4. Connect a grease gun to the fitting. Pump grease into the fittings until grease begins to ooze out of the bearings. 1. Stop the engine, set the parking brake, remove the key and disconnect the spark plug wire(s) from the spark plug(s). 5. Wipe up any excess grease. 2. Grease the idler pulley pivot for the deck (Fig. 41). Where to add Grease Lubricate the grease fittings as shown on the Check Service Reference Aid decal (Fig. 39).
Servicing the Fuel Tank Danger 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. 1 2 • Drain gasoline from the fuel tank when the engine is cold. Do this outdoors in an open area. Wipe up any gasoline that spills. • Never smoke when draining gasoline, and stay away from an open flame or where a spark may ignite the gasoline fumes. m–6367 Figure 42 1. Rear Tire 2.
Servicing the Fuel Filter Service Interval/Specification Servicing the Hydraulic System Replace the fuel filter after every 200 operating hours or yearly, whichever occurs first. Checking the Hydraulic Fluid Replacing the Fuel Filter Check the hydraulic fluid level before engine is first started. Never install a dirty filter if it is removed from the fuel line. Check the hydraulic fluid level after first 8 operating hours. Note: Note how the fuel filter is installed.
6. Recheck the fluid level while the fluid is warm. If required, add fluid to the reservoir until it reaches the hot level of the baffle. Note: The fluid level should be to the top of the hot level of the baffle, when the fluid is warm (Fig. 46). 7. Install cap on filler neck. Warning 1 Hydraulic fluid escaping under pressure can penetrate skin and cause injury.
Bleeding the Hydraulic System Hydraulic Linkage Adjustments The traction system is self bleeding, however, it may be necessary to bleed the system if fluid is changed or after work is performed on the system. Perform the following linkage adjustments when the machine needs maintenance or set–up for the first time. 1. Raise rear of the machine so wheels are off the ground and support with jack stands. Perform the steps Adjusting the Speed Control Linkage through Adjusting the Tracking.
Side Temporary Neutral Stud Adjustment View 12 3 9 4 1. Move the left and right hand neutral lock latches to the unlatched position (Fig. 14). 1 6 2. Move the speed control lever to the neutral position (Fig. 49). 1 3. Loosen the nut against the yoke (Fig. 52). 3 4. Adjust the length of the neutral stud and yoke assembly so the clevis pin does not contact the back of the slot in the control arm bracket (Fig. 52). 2 5. Tighten the nut against the yoke (Fig. 52). 4 2 5 1 m–6607 Figure 50 1.
1 Warning 2 Mechanical or hydraulic jacks may fail to support machine and cause a serious injury. Back • Use jack stands when supporting the machine. • Do not use hydraulic jacks. 4 Adjusting the Left Side Hydro Control Linkage View 90 Degrees 3 2 m–6606 Warning Figure 53 1. Hydro control linkage 2. Swivel Electrical system will not perform proper safety shut off with Operator Presence Control (OPC) levers held in place. 3. Incorrect position 4. Correct position 8.
10. Repeat adjustment if needed. 11. Tighten the front nut on left hydro control linkage shown in figure 54. 1 1 3 3 2 2 5 m–5396 Figure 55 1. Speed control lever 2. Rear pivot spring 3. spring 4 m–6605 Figure 56 Right Side Linkage Adjustment 1. Hydro control linkage 2. Quick track knob 3. Spring 1. With the machine on jack stands, place the speed control lever in the neutral position (Fig. 49). 4. 1 inch (26 mm) 5. Nut in front of spring 2.
Adjusting the Control Rod Checking the Control Rod 1 1. With rear of machine still on jack stands and engine running at full throttle, move the speed control lever to the medium speed position. 3 Note: The OPC levers must be held down whenever the speed control lever is out of the neutral position or the engine will kill. 7 5 4 8 2. Move the respective drive lever upward until it reaches the neutral position and engage neutral locks. 2 6 3.
Note: Make sure the clevis pins are inserted into the neutral locks. Servicing the Brake 7. Repeat this adjustment for opposite side. Service Interval/Specification Before each use, check brake for proper operation. 2 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. 7 8 5 1 Checking the Brake 6 1. Park the machine on a level surface. 3 4 2. Disengage the PTO and set the parking brake. 3.
2. Check adjustment by inserting feeler gauge through slots next to studs (Fig. 62). 8 2 1 3. The proper disengaged clearance between the clutch plates is 0.012–0.024 inch (0.30-0.60 mm). It will be necessary to check this clearance at each of the three slots to ensure the plates are parallel to each other. 5 Servicing the Cutting Blades 1 5 3 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.
not exceed 1/8 inch (3 mm). If this dimension exceeds 1/8 inch (3 mm), the blade is bent and must be replaced. Refer to Removing the Blades and Installing the Blades. Warning 1 2 A blade that is bent or damaged could break apart and could seriously injure or kill you or bystanders. 3 • Always replace bent or damaged blade with a new blade. • Never file or create sharp notches in the edges or surfaces of blade. m–151 Figure 63 1. Cutting Edge 2. Curved Area 3.
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. 1 6. Perform steps in the following sections Frame Set Up, Checking Front–to–Rear Pitch and Checking Side–to–Side Leveling. m–1854 Figure 67 Frame Set Up 1. Sharpen at original angle Checking Carrier Frame and Deck Alignment 2. Check the balance of the blade by putting it on a blade balancer (Fig. 68).
Checking Engine Deck Height 5 3 24 in. (61cm) 1. 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. 5 3. Adjust the tire pressure in all tires to specifications on page 36. A B 4 2 4 4. Measure engine deck height at location A (Fig. 70). 5. Measure engine deck height at location B (Fig. 70). 1 6.
5 3 2 Changing the Deck Front-to-Rear Pitch 5 2 Changing the front–to–rear pitch is done by adjusting the front height–of–cut posts. B A 1. To change the front-to-rear pitch, the front height–of–cut posts can be adjusted (Fig. 75). 1 4 Changing the Deck Front–to–Rear Pitch by Adjusting Front Height–of–Cut Posts 4 1 m–6371 2. To raise the front of the deck, loosen jam nut and rotate the front pin clockwise (Fig. 75). Figure 72 1. Caster Wheel 2. Carrier Frame 3. Front height–of–cut pins 4.
F ront F ront A A B m–1078 m–1078 Figure 76 MEASURE FROM CUTTING EDGE TO A LEVEL SURFACE Figure 78 MEASURE FROM CUTTING EDGE TO A LEVEL SURFACE m–2550 Figure 77 m–2550 Figure 79 5. If it does not measure correctly, add air pressure in rear tires to raise height–of–cut Changing the Side-to-Side Leveling 6. If it does not measure correctly, decrease air pressure in rear tires to lower height–of–cut. Changing the side–to–side leveling is done by adjusting tire pressure. 7.
6. Install the new drive belt onto the PTO engagement pulley and the top groove of the center spindle pulley (Fig. 81). 7. Connect the idler arm spring (Fig. 80). 8. Reinstall the PTO drive belt. Refer to Replacing the PTO Drive Belt page 52. 7. Install belt onto idler pulley and then install idler spring (Fig. 81). 9. Adjust deck belt guide an 1/8 inch (3 mm) from belt (Fig. 80). 8. Adjust PTO drive belt guides an 1/8 inch (3 mm) from belt (Fig. 81). 10.
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 2 1 m–6373 2 Figure 83 3 1. Mounting Tube 2 Caster Wheel and Bearings Service 4 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. 84). 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. 84). 5 1 7. Grease the fitting on the caster wheel. 7 Replacing the Grass Deflector m–5037 Warning Figure 85 1.
CLUTCH BK BN BK BN BK Hour Meter GN GN SW4 NEUTRAL Y (Out of Neutral) BN D1 7 GND PTO SWITCH (Shown Off) 4 1 + SW2 5 BK 2 – PK W 4 3 55 BK 1 KILL RELAY K1 PK SW5 Park Brake Switch (On) SW3 Operator Presence Switch (No Operator) OR GN W OR BU I R 5 S SOLENOID R 3 A R 4 B F2 25A VIO VIO 1 X R 2 Y F1 30A PK W R VIO I S 1 2 5 MAG START REG B+ A B KEY SW Y X VIO W Y GREY ORANGE GN GY OR + SOLENOID FUEL AC AC SPARK PLUG – STARTER IGNITION
Hydraulic Diagram Motor Right Side Pump Right Side B A Filter Expansion Tank Pump Left side B A Motor Left side Charge Pump Inlet Case Drain m–5225 56
Cleaning and Storage D. Restart the engine and run it until it stops. E. Choke or prime the engine. 1. Disengage the power take off (PTO) and turn the ignition key to Off to stop the engine. Remove the key. F. Start and run the engine until it will not start again. Use the primer, if equipped on machine, several times to ensure no fuel remains in primer system. 2. Remove grass clippings, dirt, and grime from the external parts of the entire machine, especially the engine.
Troubleshooting PROBLEM Engine g will not start,, starts hard,, or f il to keep fails k running. 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. PTO is on (Pulled up). 2. Turn PTO off (Push in). 3. Speed control lever is in gear. 3. Move speed control lever to neutral. 4. Battery is dead. 6. Battery is dead. 5. Choke is not ON. 4. Move choke lever to ON. 7.
PROBLEM POSSIBLE CAUSES CORRECTIVE ACTION Machine does not drive up hills or inclines. 1. By-pass valve is adjusted too far open. 1. Adjust by-pass valve. Machine moves slowly in neutral. 1. Neutral is mis-adjusted. 1. Adjust hydro linkages. 2. Neutral control spring is broken or missing. 2. Replace neutral control spring. Machine drive is too aggressive. 1. By-pass valve is adjusted too far closed. 1. Adjust by-pass valve. Machine tracks left or right. g 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.
