Form No. 3329-397 Rev A Mid-Size Mower ProLine Hydro 15 hp with 36 Side Discharge Mower Model No. 30527—Serial No.
Warning Installing the Speed Control Rod . . . . . . . . . . . . . . Installing the Fuel Tank . . . . . . . . . . . . . . . . . . . . . Setting up the Hydro Linkage . . . . . . . . . . . . . . . . Checking the Hydraulic Fluid . . . . . . . . . . . . . . . . Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Think Safety First . . . . . . . . . . . . . . . . . . . . . . . . . . Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cleaning and Storage . . . . . . . . . . . . . . . . . . . . . . . Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . The Toro Total Coverage Guarantee . . . . . . . . . . . . . . This manual uses two other words to highlight information. Important calls attention to special mechanical information and Note: emphasizes general information worthy of special attention.
• Inspect the area where the equipment is to be used and remove all objects such as rocks, toys and wire which can be thrown by the machine. • Look behind and down before backing up to be sure of a clear path. • Keep pets and bystanders away. • Use extra care when handling gasoline and other fuels. They are flammable and vapors are explosive. • Slow down and use caution when making turns and crossing roads and sidewalks. Stop blades if not mowing.
Toro Mower Safety DO The following list contains safety information specific to Toro products and other safety information you must know. • Remove obstacles such as rocks, tree limbs, etc. from the mowing area. Watch for holes, ruts or bumps. Tall grass can hide obstacles. This product is capable of amputating hands and feet and throwing objects. Always follow all safety instructions to avoid serious injury or death. • Watch for holes, ruts or bumps. Tall grass can hide obstacles.
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. 1-403005 66-1340 95-2814 54-9220 1-523552 95-5537 1. Read the Operator’s Manual for instructions on operating the cutting blade 2. Push forward to engage 3.
98-5954 98-0776 105-4109 105-4110 98-5130 1. Warning—read the Operator’s Manual for instructions on torquing the blade bolt/nut to 75-80 ft.-lb.(102-106 N⋅m). 106-0699 98-3296 106-2743 106-0829 1. Forward 2. Neutral 3. Reverse 4. Warning—wear hearing protection. 5. Fast 6. Continuous variable setting 10 7. Slow 8.
Gasoline and Oil Warning Recommended Gasoline Gasoline is harmful or fatal if swallowed. Long-term exposure to vapors can cause serious injury and illness. Use unleaded regular gasoline suitable for automotive use (85 pump octane minimum). Use leaded regular gasoline if unleaded regular is not available. • Avoid prolonged breathing of vapors. • Keep face away from nozzle and gas tank or conditioner opening. • Keep gas away from eyes and skin.
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.
5 Installing the Front Casters 2 1. Align the casters with the holes on the top and front of the mower, and insert 8 bolts (3/8 x 3/4 inch) through the mower. Secure the caster with 8 flange nuts (3/8 inch) below the mower (Fig. 2). 1 4 3 1 m–5969 Figure 3 1. Upper handle 2. Rear frame bracket 3. Flange bolt (26 mm) 3 4. Spring washer 5. Flange nut 2 Important Install the flange bolts with the bolt head on the outside of the upper handle. Refer to figure 3. m–3777 Figure 2 1. Front caster 2.
Connecting the Throttle Cable 1. Place throttle control lever in the fast position (Fig. 5). 1 2. Hook wire Z–bend into hole of speed control lever (Fig. 5). 3 3. Loosen cable clamp screw allowing cable installation, but do not tighten (Fig. 5). 4. Move control cable casing and wire until hole in speed control lever is aligned with hole in base plate. Insert a 1/4 in. (6 mm) diameter pin or bolt into aligned holes to hold adjustment. 5.
6 1 Installing the Control Arm Rods 2 1. Insert control arm swivel thru hole in speed control crank and secure with hairpin cotter (Fig. 9). 3 4 5 1 7 3 m–5998 Figure 7 1. 2. 3. 4. Left handle shown Neutral lock Clevis pin Drive lever 5. Control rod 6. Operator Presence Control lever (OPC) 7. Hairpin cotter 2 m–5994 4. Thread rod fittings equal distance onto each control rod. For a starting point, thread rod fittings onto control rod approximately 2–1/2 inch (64 mm) from the bottom (Fig. 8).
2. Install speed control rod to right side of speed control lever (under control panel) with a hair pin cotter (Fig. 11). 2. Align the fuel tank to the top of the rear frame, and secure the right side of the fuel tank with 2 bolts (5/16 x 3/4 inch), 2 lock washers (5/16 inch), and 2 washers (5/16 inch) (Fig. 13). 4 2 3 3 5 6 2 1 1 3 m-6488 Figure 13 m–5996 Figure 11 1. Speed control rod 2. Speed control lever 1. Bolt, 5/8 x 7/8 inch (2) 2. Lock washer, 5/16 inch (2) 3. Washer, 5/16 inch (2) 3.
Adjusting the Neutral Control Linkages 1 Refer to Adjusting the Neutral Control Linkages on page 37. 2 Adjusting the Hydro Control Linkages 4 3 Refer to Adjusting the Hydro Control Linkages on page 38. Adjusting the Control Rods Refer to Adjusting the Control Rods on page 39. m–5615 Figure 15 Adjusting the Tracking 1. Cap 2. Baffle Refer to Adjusting the Tracking on page 40. Checking the Hydraulic Fluid 3. Cold fluid level—full 4. Hot fluid level—full 5. Remove cap from filler neck.
Operation Note: Determine the left and right sides of the machine from the normal operating position. Speed control lever – This machine has a variable speed control with a neutral position. This controls how fast the machine will travel. Think Safety First Drive levers – 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. Carefully read all the safety instructions and decals in the safety section.
• Grasp split ring (Fig. 19) on right side of machine, pull ring and chain straight out from side of machine and hook ring over control shield bolt. If the parking brake does not hold securely, adjust it. Refer to Servicing the Parking Brake on page 40. Caution 1 Children or bystanders may be injured if they move or attempt to operate the machine while it is unattended. Always set the parking brake when leaving the machine unattended, even if just for a few minutes.
5. To stop the engine, pull the throttle all the way back to stop (Fig. 20). 2 1 1 6 5 3 4 m–5388 Figure 21 m–6487 1. Handle 2. Neutral lock 3. Neutral position Figure 20 4. Drive lever 5. Full speed forward 6. Reverse position 1. Throttle lever Important Make sure fuel shut off valve is closed before transporting or storing machine, as fuel leakage may occur. Operating Mower Blade Control (PTO) Before storing machine, pull wire off spark plug(s) to prevent possibility of accidental starting.
Disengaging the Mower Blades (PTO) 3. Push the blade control knob down to off. The mower blades can be disengaged by one of the following steps. 4. With engine running, hold down the OPC levers. Pull the blade control knob (PTO) up. The clutch should engage and the mower blades begin rotating. 1. Push the blade control knob (PTO) down to off (Fig. 22). 5. Release the OPC levers. The engine should kill. 2. Release Operator Presence Control (OPC) levers to disengage blades (Fig. 22).
Backward Pushing the Machine by Hand 1. To go backward, move the speed control lever to desired speed. The by–pass valves allow the machine to be pushed by hand without the engine running. 2. Release the neutral lock. Refer to Releasing the Neutral Locks on page 20. Important Always push the machine by hand. Never tow the machine because hydraulic damage may occur. 3. Slowly squeeze the drive levers back together to move rearward (Fig. 23). To Push the Machine 1.
Using the Side Discharge or Mulching the Grass 6 5 4 4 This mower has a hinged grass deflector that disperses clippings to the side and down toward the turf. 1 3 Danger 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. Contact with rotating mower blade(s) and thrown debris will cause injury or death. 2 m–3779 Figure 25 1. Blade 2. Blade bolt 3.
1 E D C B A Figure 26 1. Axle pivot bolt 7. Raise or lower the mounting bracket, so that you can install the 2 axle adjustment bolts in the desired hole location (Fig. 26). A tapered punch can be used to help align the holes. 8. Tighten all 4 bolts. 9. Install drive wheels and lower the mower. Adjusting the Caster Position 1. Using the Height-of-Cut Chart (on page 25), adjust the caster spacers to match with the axle hole selected (Fig. 27). 1 2 3 m–3791 Figure 27 1. Clevis pin 2.
Height-of-Cut Chart No.
Maintenance Note: Determine the left and right sides of the machine from the normal operating position.
Caution Someone could accidently start the engine and seriously injure you or other bystanders. Disconnect the wires from the spark plugs before you do any maintenance. Set the wire aside so that it does not accidentally contact the spark plug. Servicing the Cutting Blades To ensure a superior quality of cut, keep the blades sharp. For convenient sharpening and replacement, keep extra blades on hand.
6 5 4 4 MEASURE FROM CUTTING EDGE TO A LEVEL SURFACE m–2558 1 3 Figure 30 3. Rotate the opposite ends of the blades forward. 2 4. 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 inch (3 mm). m–3779 Figure 31 1. Blade 2. Blade bolt 3. Cone washer Note: If this dimension exceeds 1/8 inch (3 mm), the blade is bent and must be replaced.
Installing the Blades 1 1. Place the blade onto the bolt and over the cone washer. Select the proper number of spacers for the height-ofcut and slide the bolt into the spindle (Fig. 31). 2 3 Important The curved part of the blade must point upward toward the inside of the mower to ensure proper cutting. 4 5 2. Install the remaining spacers and secure them with a thin washer and a nut (Fig. 31). 6 3. Torque the blade bolt to 75–80 ft-lb (101–108 N m). m–2595 Servicing the Air Cleaner Figure 34 1.
USE THESE SAE VISCOSITY OILS Important Never clean the paper element with pressurized air or liquids, such as solvent, gas, or kerosene. Replace the paper element if it is damaged, defective, or cannot be cleaned thoroughly. 10W–30 5W–20, 5W–30 1 2 –20 °F 0 –30 °C –20 20 –10 32 40 80 60 0 10 20 100 30 40 m–5192 Figure 36 1. Paper element Checking the Engine Oil Level 2. Rubber seal 1. Park the machine on a level surface. 2. Disengage the PTO and set the parking brake.
Changing the Engine Oil 1. Drain the oil from the engine; refer to Changing the Engine Oil, page 31. 1. Start the engine and let it run five minutes. This warms the oil so it drains better. 2. Remove the old filter and wipe the filter adapter (Fig. 39) gasket surface. 2. Park the machine so that the drain side is slightly lower than the opposite side to assure the oil drains completely. 3. Apply a thin coat of new oil to the rubber gasket on the replacement filter (Fig. 39). 3.
Checking the Tire Pressure 4. Remove the spark plug(s) and metal washer. Service Interval/Specification 2 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. 42). Check the tires when they are cold to get the most accurate pressure reading. Pressure: 15 psi (103 kPa) rear tires 25–30 psi (172–207 kPa) caster tires 1 m–4757 Figure 40 1. Spark plug wire 1 2.
Greasing and Lubricating the Machine Service Interval/Specification Grease the areas shown at the intervals given in the Where to Add Grease section below. Grease more frequently when operating conditions are extremely dusty or sandy. Grease with No. 2 general-purpose lithium-base or molybdenum-base grease. Applying the Grease 1. Disengage the PTO and set the parking brake. 2. Stop the engine and wait for all moving parts to stop before leaving the operating position. Figure 43 3.
Draining the Fuel Tank 9. Install the fuel line onto the fuel filter, and slide the hose clamp close to the filter to secure the fuel line. Danger Servicing the Fuel Filter 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. Service Interval/Specification Replace the fuel filter after every 200 operating hours or yearly, whichever occurs first.
5. Remove the old filter and wipe the filter adapter gasket surface clean (Fig. 45). 1 1. Disengage the PTO and set the parking brake. 2. Stop the engine and wait for all moving parts to stop before leaving the operating position. 3. Raise the rear of the machine up onto jack stands high enough to raise the drive wheels off the ground. 3 4. Check Hydraulic fluid level. 2 5. Start engine and move throttle control to full throttle position.
10. Check the hydro control linkage adjustment. Refer to Adjusting the Hydro Control Linkages on page 38. 3. Move the speed control lever (located on the console) to the full forward position. 4. Check the orientation of the tabs on the ends of the speed control crank. These tabs should be pointing straight down at the 6 o’clock position approximately (Fig. 48).
4. Start the engine and move the throttle ahead to the full throttle position. 5. Place the neutral locks in the full forward position and move the speed control lever to the medium speed position. 1 6. Hold OPC levers down. 2 Note: The OPC levers must be held down whenever the speed control lever is out of the neutral position or the engine will kill. 3 m–5394 Warning Figure 48 1. Actuating tab 2.
14. Repeat this procedure for the opposite side. 2. Stop the engine and wait for all moving parts to stop before leaving the operating position. 3. Raise the rear of the machine onto jack stands high enough to raise the drive wheels off of the ground. 1 4. Start the engine and move the throttle ahead to the full throttle position. 5. Place the left drive lever in the full forward position. 6. Place the speed control lever in the neutral position. 3 7. Hold OPC levers down.
5. Turn the knob clockwise 1/4 of a turn at a time. Then move the speed control forward and back to neutral. Repeat this until right wheel stops rotating forward (Fig. 52). 1 6. The spring that keeps tension on the knob should normally not need adjustment. However if an adjustment is needed, adjust the length of spring to 1 inch (26 mm) between the washers (Fig. 52). 3 7. Adjust spring length by turning nut at front of spring (Fig. 52). 2 1 m–5394 Figure 50 1. Hydro control linkage 2.
2. Lengthen the rod if the tire is turning in reverse and shorten the rod if the tire is turning forward. 3. Rotate the rod several turns if the tire is rotating fast. Then, adjust the rod in 1/2 turn increments. 4. Release and engage neutral lock checking that the tire does not rotate. Continue this process until the tire does not rotate. 1 5. Place the hairpin back into clevis pin (Fig. 53). 6. Repeat this adjustment for opposite side. m–5398 Figure 54 2 1.
3. For a heavier drive setting, relocate the spring anchor links to either the medium or heavy duty positions (Fig. 56). The spring anchor links are attached to the upper rear corner of the hydro drive shields on the left and right sides of the machine. 2. Release the parking brake; refer to Releasing the Parking Brake, page 19. 3. Remove the hair pin cotter and the clevis pin from the lower brake lever (Fig. 55).
Note: The proper mower belt tension is 10–15 lbf. (44–67 N) with the belt deflected 1/2 inch (13 mm) halfway between the pulleys (Fig. 57). 12. Disengage the blade control (PTO). Note: If the assist arm does not contact the front stop on the mower deck (Fig. 59), adjust the clevis to bring the bell crank closer to the transmission output shaft (Fig. 58). 1/2 inch (13 mm) 2 5 4 3 1 2 1 m-4750 m–4739 Figure 59 Figure 57 1. Mower belt with 1/2 inch (13mm) deflection 1.
Adjusting the Mower Belt Tension 4. Adjust the nut at the end of the blade brake rod until there is 1/8–3/16 inch (3–5 mm) between the nut and the spacer (Fig. 61). Service Interval/Specification 5. Engage the blades, and ensure that the blade brake pad no longer contacts the pulley edges. Check the belt tension after the first 8 operating hours and 25 operating hours thereafter. Check the belt tension after every 50 operating hours.
8. Ensure that there is downward spring force on deflector (Fig. 62). Important The grass deflector must be spring-loaded in the down position. Lift the deflector up to check that it snaps to the fully down position. 9. Tighten the bolt and locknut until they lightly contact the pivot brackets (Fig. 62).
Hydraulic Diagram High Pressure Reverse CASE DRAIN HIGH PRESSURE CHARGE PUMP INLET Filter High Pressure Reverse Front of Machine High Pressure Reverse High Pressure Forward 45 Hydraulic Tank
Cleaning and Storage B. Run the engine to distribute conditioned fuel through the fuel system (5 minutes). 1. Disengage the power take off (PTO) and stop the engine. C. Stop the engine, allow it to cool and drain the fuel tank; refer to Draining Fuel Tank, page 34. 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. D.
Troubleshooting PROBLEM Engine g will not start, starts hard, or f il to keep fails k running. i g Engine 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. Choke is not ON. 4. Move choke lever to ON. 5. Air cleaner is dirty. 5.
PROBLEM Machine moves slowly in neutral. Machine tracks left or right. g Abnormal vibration. Uneven cutting g height. g Blades do not rotate. POSSIBLE CAUSES CORRECTIVE ACTION 1. Neutral is mis-adjusted. 1. Adjust hydro linkages. 2. Neutral control spring is broken or missing. 2. Replace neutral control spring. 1. Tire pressure is not correct. 1. Adjust tire pressure. 2. Tracking knob not adjusted correctly. 2. Adjust tracking knob. 1. Cutting blade(s) is/are bent or unbalanced. 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.
