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Form No. 3325–890 Mid–Size Mower ProLine Hydro 15 HP with 52 in. Side Discharge Mower Model No. 30339—210000001 and Up Operator’s Manual English (EN)
Authorized Service instruction may result in personal injury or death. Dealer or Toro Customer Service and have the model and serial numbers of your product ready. Figure 1 illustrates the location of the model and serial numbers on the Safe Operating Practices product.
Keep hands and feet away from the cutting unit. The following list contains safety information specific to Toro products and other safety information Look behind and down before backing up to be sure of you must know.
Allow to cool before systems for proper operation before each use. attempting to maintain, adjust or service. Use only Toro genuine replacement parts to ensure that Use only Toro-approved attachments. Warranty may original standards are maintained.
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. 95–2814 82–4590 63–8440 67–5360 68–8340 66–1340 54–9220 43–8480...
Gasoline and Oil Recommended Gasoline Warning Use UNLEADED Regular Gasoline suitable for automotive use (85 pump octane minimum). Leaded Gasoline is harmful or fatal if swallowed. regular gasoline may be used if unleaded regular is not Long–term exposure to vapors can cause serious available.
Read before operating machine Engine Operator’s Manual Parts Catalog Registration card Fill out and return to Toro Installing Fuel Tank and Fuel Line 1. Align fuel tank to top of rear frame and secure fuel tank right side with 2 bolts (5/16 x 7/8 in. (22 mm)), 2 lock washers (5/16 in.) and 2 washers (5/16) (Fig.
2. Thread yoke onto speed control rod approximately 3/4 in. (19 mm) (Fig. 5). 3. Install yoke to the speed control crank with a clevis pin, washer and hairpin cotter (Fig. 5). 4. Secure yoke with jam nut (Fig. 5). m–5400 Figure 4 1.
Adjust Tracking Warning Refer to Adjusting Tracking on page 37. Hydraulic fluid escaping under pressure can Checking the Hydraulic Fluid penetrate skin and cause injury. If hydraulic fluid is injected into the skin it Check the hydraulic fluid level before engine is first must be surgically removed within a few hours started.
Think Safety First Neutral lock – 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. Carefully read all the safety instructions and decals in the safety section.
Important Do not pull recoil rope to its limit or let go of the starter handle when rope is pulled out because rope may break or recoil assembly may be damaged. Stopping 1. Move the throttle lever to “SLOW” (Fig. 11). 2.
Disengaging the Mower Blades (PTO) 2. Place thumbs on the upper part of of locks and move them forward until in forward slot (Fig. 12). The mower blades can be disengaged by one of the following steps. 1. Push the blade control switch (PTO) to off (Fig. 13). 2.
3. Push the blade control switch off. 2. Release the neutral lock. Refer to Releasing the Neutral Locks on page 19. 4. With engine running, hold down the OPC levers. Pull the blade control switch (PTO) up. The clutch should 3.
Side Discharge or Mulch Grass 2. Loosen jam nuts and rotate by-pass valves open 5 turns to push. This allows hydraulic fluid to by-pass the pump and the wheels to turn (Fig. 15). This mower has a hinged grass deflector that disperses clippings to the side and down toward the turf.
Important All four hairpin cotter pins must be in the same hole location and with the correct number of spacers for a level cut. m–5213 Figure 17 1. Center Gage Wheels and 3. Bolt Spacer 4. Washer 2. Nut m–5230 Figure 16 1.
Maintenance Note: Determine the left and right sides of the machine from the normal operating position. Recommended Maintenance Schedule Maintenance Service Maintenance Procedure Interval Engine Oil—check level Safety System—check Each Use Brake—check Engine—clean outside Mower Housing—clean After first 5 hours Engine Oil—change After first 8 Hours Hydraulic Oil—check...
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 wire from the spark plug(s) before you do any maintenance.
Ó Ó Ó Ó Ó Ó Ó 2. Place the air cleaner assembly onto the air cleaner base Ó Ó Ó Ó Ó Ó Ó (Fig. 18). Secure with nut. Ó Ó Ó Ó Ó Ó Ó 3. Install the air cleaner cover and secure locks (Fig. 18). Ó...
5. Slowly pour approximately 80% of the specified oil, page 26, into the filler tube (Fig. 21). Now check the oil level; refer to Checking Oil Level, page 26. Slowly add additional oil to bring to “FULL” mark on dipstick. Change Oil Filter Service Interval/Specification Replace the oil filter every 200 hours or every other oil...
Type: Champion RCJ8Y or NGK BPR4ES Air Gap: 0.030 in. (.75 mm) Removing the Spark Plug 0.030 in. (.75 mm) 1. Disengage the power take off (PTO), set the parking brake, and turn the ignition key to “OFF” to stop the engine.
Where to Add Grease Lubricate the grease fittings as shown on the CHECK SERVICE REFERENCE AID decal (Figure 26). m–5196 Figure 28 Cleaning the Cooling System Service Interval/Specification Before each use, check and clean engine cooling system. Remove any build–up of grass, dirt or other debris from Figure 26 the cylinder and cylinder head cooling fins, air intake screen on flywheel end, and carburetor–governor levers...
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 30. 5. Install the fuel line onto the valve. Slide the hose clamp close to the valve to secure the fuel line. m–2147 Figure 29 1.
7. Check for fuel leaks and repair if needed (Fig. 30). Figure 32 m–5234 1. Cap 3. Fluid level—full Figure 31 2. Baffle 1. Hose clamp 3. Filter 2. Fuel line Warning Hydraulic System Service Hydraulic fluid escaping under pressure can penetrate skin and cause injury.
Bleeding Hydraulic System 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. 1. Raise rear of the machine so wheels are off the ground and support with jack stands.
Test Procedure Important By–pass valve adjustment is very sensitive, do not adjust more than 1/6 turn (one flat) at a time. 1. Start engine and run for 5 minutes at 3/4 throttle, to 6. If the machine is too aggressive or tends to jump warm hydraulic fluid.
Adjust Neutral Control Linkages Warning Engine must be running so control linkage adjustments can be performed. Contact with moving parts or hot surfaces may cause personal injury. Keep hands, feet, face, clothing and other body m–5398 parts away from rotating parts, muffler and other Figure 36 hot surfaces.
6. If the wheel turns while holding the drive lever in Warning neutral, the neutral control linkages need to be adjusted (Fig. 38). If wheel stops then go to step 12. Mechanical or hydraulic jacks may fail to support 7. Loosen the nut against the neutral control linkage yoke machine and cause a serious injury.
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. 41). 6. The spring that keeps tension on the knob should normally not need adjustment.
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.
Fuse Service Before Inspecting or Servicing the Blades Service Interval/Specification Park the machine on a level surface, disengage the blade control (PTO) and chock or block tires. Turn the ignition The electrical system is protected by a fuse. It requires no key to “OFF”...
Blades must be replaced if a solid object is hit, if the blade is out of balance or is bent. To ensure optimum m–1855 performance and continued safety conformance of the machine, use genuine TORO replacement blades. Figure 51 Replacement blades made by other manufacturers may 1. Blade 2.
Installing the Blades 7. Tighten the carrier frame mounting bolts on both sides of the machine. 1. Install the blade onto the spindle shaft (Fig. 49). Important The sail part of the blade must be pointing upward, toward the inside of the mower to ensure proper (Fig.
Checking Carrier Frame Front–to–Rear Pitch The carrier frame must have a pitch of a 1/4 in. (6 mm) over the length of 24 inches (61 cm) on the carrier frame. 1. Measure out 24 inches on the carrier frame (Fig. 54). 2.
Checking the Deck Side-to-Side Leveling 1. Check the tire pressure on both deck and traction unit. 2. Position the blades side-to-side (Fig. 59). Measure at “A” and “B” locations (Fig. 59) from a level surface to m–2539 the cutting edge of blade tips (Fig. 60). Figure 57 3.
2. Set the height-of-cut to the 4 in. (102 mm) position 7. Install new belt around clutch and drive pulleys. following the height-of-cut decal. 8. Torque pivot bolt to 35-40 ft. lb. (47-54 N.m). Install 3. With the machine on level surface, position one blade tension spring between idler arm and frame bracket front-to-rear (Fig.
9. Reinstall the belt covers onto the cutting unit, then 8. Install belt onto idler pulley and then install idler reinstall and tighten the knobs. spring (Fig. 65). 10. Install the carrier frame cover onto the cutting unit, 9. Adjust PTO drive belt guides an 1/8 in. (3 mm) from then install and tighten the hand knobs.
m–5197 Figure 67 1. Carrier Frame Mounting 2. Bushing Tube Figure 66 1. Locking Pin 3. Carrier Frame Mounting Tube 2. Spacers (locate as Caster Wheel and Bearings required) 4. Caster Wheel Fork Service 4. Insert a pin punch into the mounting tube and carefully The caster wheels rotate on a roller bearing supported by a drive out the bushings (Fig.
3. Install bolt and nut. Place “J” hook end of spring around grass deflector (Fig. 69). Important The grass deflector must be able to lower down into position. Lift the deflector up to test that it lowers into the full down position. Figure 68 1.
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 turn the C. Stop the engine, allow it to cool and drain the fuel ignition key to “OFF” to stop the engine. Remove the tank;...
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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 Abnormal vibration. 1. Cutting blade(s) is/are bent or 1. Install new cutting blade(s). unbalanced. 2. Blade mounting bolt is loose. 2. Tighten blade mounting bolt. 3. Engine mounting bolts are 3. Tighten engine mounting bolts. loose.
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.