Form No. 3325–197 Mid–Size Mower Proline Hydro 15 HP with 36 in. Side Discharge Mower Model No.
Warning Starting and Stopping the Engine . . . . . . . . . . . . Operating Mower Blade Control (PTO) . . . . . . . The Safety Interlock System . . . . . . . . . . . . . . . . Driving Forward or Backward . . . . . . . . . . . . . . . Neutral . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Stopping the Machine . . . . . . . . . . . . . . . . . . . . . Pushing the Machine by Hand . . . . . . . . . . . . . . . Transporting Machines . . . . . . . . . . . . . . . . . . . .
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.
• Do not operate the mower under the influence of alcohol or drugs • Never remove gas cap or add fuel with engine running. Allow engine to cool before refueling. Do not smoke. • Use care when loading or unloading the machine into or from a trailer or truck. • Never refuel or drain the machine indoors. • Use care when approaching blind corners, shrubs, trees, or other objects that may obscure vision.
This product is capable of amputating hands and feet and throwing objects. Always follow all safety instructions to avoid serious injury or death. • Use extra care with grass catchers or other attachments. These can change the stability of the machine. 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. • Keep all movement on slopes slow and gradual.
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. On Upper Handle (Part No. 82-4590) On Rear Frame (Part No. 95-2814) Under Belt Covers (Part No. 67-5360) On Engine Near Muffler (Part No. 63-8440) Front of Deck (Part No. 66-1340) Left Side of Deck (Part No. 68-8340) On Grass Deflector (Part No. 54-9220) Left Side of Deck (Part No.
On Top of Hydraulic Reservoir (Part No. 1–523552) On Upper Handle (Part No. 98-4387) On Back of Engine Deck (Part No. 95–1543) On Control Bar (Part No. 95–1523) On Back of Engine Deck (Part No. 98–0776) On Control Panel (Part No. 95–1544) On Right Side of Deck (Part No. 104–8569) On Sides of Handle (Part No.
Under Carrier Frame Cover (Part No. 104–8174) On Hydraulic Tank (Part No. 104–8172) On Deck (Part No. 105–0840) On Deck (Part No. 104–8185) On Upper Handle (Part No. 104–8196) On Carrier Frame (Part No.
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.
Assembly Loose Parts Note: Use the chart below to verify all parts have been shipped. DESCRIPTION QTY. USE Fuel tank 1 Bolt 5/16 x 7/8 in. (22.5 mm) 2 Lock washer 5/16 in. 2 Washer 5/16 in. 4 Stud 2 Spring 2 Hose clamp 1 Upper handle 1 Flanged bolt 3/8 x 1 in. (26 mm) 4 Flange nut 3/8 in.
2 8 1 7 4 6 5 4 3 3 3 7 5 5 8 6 6 m–5339 m–5336 Figure 2 1. Bolt, 5/8 x 7/8 in. (22.5 mm) 2. Lock washer, 5/16 in. 3. Washer, 5/16 in. 4. Stud 5. 6. 7. 8. Figure 3 Spring Locknut Hose clamp Fuel tank connection 1. 2. 3. 4. 3. Slide the hose clamp onto the fuel line (Fig. 2). Upper handle Rear frame Flange bolt, 3/8 x 1 in. Flange nut, 3/8 in. 5. 6. 7. 8. Upper mounting hole Lower mounting hole Low position High position Install Control Rods 4.
2. Remove hairpin cotter and rod from upper control bars (Fig. 4). 1 3. Press and hold upper control bars against reference bar, so stop hits (Fig. 4). 3 2 4. Push rod full forward until bearing is against control bracket stop. Loosen wing nut and thread turnbuckle in or out until rod aligns with holes in upper control bars (Fig. 6). 4 5. When rod and holes in upper control bars line up, rotate turnbuckle one additional turn, so rod is shorter.
5. Make sure the vent caps are installed in the battery. Charge the battery for 1 hour at 25 to 30 amps or 6 hours at 4 to 6 amps. Do not overcharge the battery. Warning Hydraulic fluid escaping under pressure can penetrate skin and cause injury. Checking the Hydraulic Fluid • If hydraulic fluid is injected into the skin it must be surgically removed within a few hours by a doctor familiar with this type of injury. Gangrene may result if this is not done.
Think Safety First Fuel Shut–off Valve – (Under fuel tank) Close fuel shut–off valve when transporting or storing mower. 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. Hour Meter – Shows total hours that blades have been operated. This operates only when the mower blades are operating. The use of protective equipment for eyes, hearing, feet, hands and head is recommended.
4. Repeat procedure to engage mower blades if blade control bail is released. 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. 2 1 Stopping 1. Move the throttle lever to “SLOW” (Fig. 11). 3 2. Let engine idle for 30 to 60 seconds before turning the ignition key “OFF.” 3. Turn the ignition key to “OFF” (Fig. 11). m–5187 Figure 12 2 1. Upper control bar 2. Blade control bail 3.
2. Push the control bar full forward. Note: In normal conditions, a 2.5 to 3.5 mph ground speed (middle position of the reference bar) is best for cutting performance. Use a faster ground speed for light cutting or transport. Use a slower ground speed in heavy cutting loads. 3. Rotate the ignition key to “START” and slowly move control bar back to neutral. Engine should not crank until control bar is within 5° of neutral position. 4. Start the engine, refer to Starting and Stopping the Engine on page 17.
To Push the Machine 4. To stop, release the upper control bar to stop both wheels (Fig. 13). 1. Disengage the power take off (PTO) and turn the ignition key to “OFF” to stop the engine. Bringing Machine to Neutral Position 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. 14). Release the upper control bar to stop. The machine will automatically return to neutral.
Using Side Discharge or Mulch Grass Note: Spare height–of–cut spacers may be stored on posts and retained by a hairpin cotter. Important All four hairpin cotter pins must be in the same hole location and with the correct number of spacers for a level cut. This mower has a hinged grass deflector that disperses clippings to the side and down toward the turf.
3. Reinstall the bolt, washers and nut (Fig. 16). 3 4 1 4 2 m–5213 Figure 16 1. Center Gage Wheels and Spacer 2. Nut 3. Bolt 4.
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 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. Air Cleaner Service 1 Service Interval/Specification 2 Foam Element: Clean and re-oil after every 25 operating hours. 3 Paper Element: Clean after every 25 operating hours.
3. Install the air cleaner cover and secure with cover nuts (Fig. 17). 2 1 Engine Oil Service Service Interval/Specification Change oil: m–5193 • After the first 5 operating hours. Figure 18 1. Foam element • After every 100 operating hours. 2. Oil Note: Change oil more frequently when operating conditions are extremely dusty or sandy. Cleaning the Paper Element Oil Type: Detergent oil (API service SF, SG or SH) 1. Lightly tap the element on a flat surface to remove dust and dirt (Fig. 19).
5. Slowly pour approximately 80% of the specified oil on page 25, into the filler tube (Fig. 20). Now check the oil level; refer to Checking Oil Level, page 25. Slowly add additional oil to bring to “FULL” mark on dipstick. Important Do not overfill the crankcase with oil because the engine may be damaged. 1 2 Change Oil Filter 3 Service Interval/Specification Replace the oil filter every 200 hours or every other oil change.
2 Type: Champion RC12YC or Champion Premium Gold 2071 (or equivalent) Air Gap: 0.040 in. (1.00 mm) 3 1 0.040 in. (1.02 mm) Removing the Spark Plug(s) 1. Disengage the power take off (PTO), set the parking brake, and turn the ignition key to “OFF” to stop the engine. Remove the key. 2. Pull the wire(s) off the spark plug(s) (Fig. 23). Now clean around the spark plug(s) to prevent dirt from falling into the engine and potentially causing damage. Figure 24 3. Remove the spark plug(s) and metal washer.
Where to Add Grease Lubricate the grease fittings as shown on the CHECK SERVICE REFERENCE AID decal (Fig. 25). m–5247 Figure 27 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 the cylinder and cylinder head cooling fins, air intake screen on flywheel end, and carburetor–governor levers and linkage.
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 29. 5. Install the fuel line onto the valve. Slide the hose clamp close to the valve to secure the fuel line. 1 2 m–2147 Figure 28 1. Rear Tire 2. Caster tire 1 Fuel Tank Service 2 m–5185 Danger Figure 29 1. Fuel shut-off valve In certain conditions, gasoline is extremely flammable and highly explosive.
7. Check for fuel leaks and repair if needed (Fig. 29). 1 3 1 2 3 1 M-4280 3 2 Figure 31 m–5234 1. Cap 2. Baffle Figure 30 1. Hose clamp 2. Fuel line 3. Filter 3. Fluid level—full Warning Hydraulic System Service Hydraulic fluid escaping under pressure can penetrate skin and cause injury. Checking the Hydraulic Fluid • If hydraulic fluid is injected into the skin it must be surgically removed within a few hours by a doctor familiar with this type of injury.
Bleeding Hydraulic System 3. Place drain pan under filter, remove the old filter and wipe the filter adapter gasket surface clean (Fig. 32). 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. 2. Start the engine and run at idle speed. Engage traction on one side and spin the wheel by hand. 3.
Test Procedure 6. If the machine is too aggressive or tends to jump forward, the valve needs to be opened further. 1. Start engine and run for 5 minutes at 3/4 throttle, to warm hydraulic fluid. 7. If the machine is slow to respond, the valve needs to be closed further. 2. Drive the machine to a clear and level open area such as a driveway. 8. Repeat “Test Procedure” to check for proper operation. Re-adjust the by–pass valves until proper performance is achieved.
5. Push down on Pump Arm until Sleeve contacts bottom nut (Fig. 35). Wheel should now be rotating slowly in reverse. 1 2 6. Turn bottom nut up slowly, moving sleeve and pump arm up, until wheel stops rotating (Fig. 35). 7. Turn top nut down against sleeve and tighten to lock the adjustment (Fig. 35). 8. Repeat step 3 above to check adjustment. Repeat adjustment procedure if necessary. 3 9. Repeat on other wheel, if necessary. m–2600 Figure 36 1. Adjusting nut 2. Slot 3.
Cutting Blade Service Checking for Bent Blades 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. 1. Rotate the blades until the ends face forward and backward (Fig. 39). Measure from a level surface to the cutting edge, position “A”, of the blades (Fig. 40). Note this dimension.
machine, use genuine TORO replacement blades. Replacement blades made by other manufacturers may result in non-conformance with safety standards. 2 1 1. Hold the blade end using a rag or thickly-padded m–1855 Figure 43 glove. Remove the blade bolt, blade stiffener and blade from the spindle shaft (Fig. 41). 1. Blade 3 1 2. Balancer Installing the Blades 1. Install the blade onto the spindle shaft (Fig. 41).
3. At the carrier frame cross tube, measure location “A” height (Fig. 44). This measurement must be 2–13/16 in., plus or minus a 1/4 in. 2 3 3 4. If the height at location “A” is not correct, adjustment is needed. 5. Loosen the carrier frame mounting bolts on both sides of the machine (Fig. 44). A 6. Align the carrier frame and engine deck to match 2–13/16 in., plus or minus a 1/4 in. at location “A” (Fig. 44). 7. Tighten the carrier frame mounting bolts on both sides of the machine.
5 Checking the Deck Front-to-Rear Pitch 3 24 in. 1. Check the tire pressure on both deck and traction unit. 2. Position one blade front-to-rear (Fig. 48). Measure at “C” and “D” locations (Fig. 48) from a level surface to the cutting edge of the blade tips (Fig. 49). 5 A B 4 2 4 3. The mower blade should be 1/4 in. (6 mm) lower in front “C” than in the rear “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 52 5 1 Changing the Side-to-Side Leveling m–5231 Figure 50 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 one blade front-to-rear (Fig. 48). Measure at “C” and “D” locations (Fig. 48) from a level surface to the cutting edge of the blade tips (Fig. 49). 1.
11. Install PTO drive belt. Front 3 1 A 4 5 7 m–1078 6 2 Figure 53 8 m–5340 Figure 55 MEASURE FROM CUTTING EDGE TO A LEVEL SURFACE 1. 2. 3. 4. Traction belt Idler pulley Clutch retainer Tension spring 5. 6. 7. 8. Clutch wire connector Pivot bolt Drive pulley Engine deck m–2550 Figure 54 Replacing the Deck Belt 5.
9. Adjust PTO drive belt guides an 1/8 in. (3mm) from belt (Fig. 57). 1 4 10. install the heat shield to the the engine deck and carrier frame. 3 11. Reinstall the belt covers onto the cutting unit, then reinstall and tighten the knobs. 12. Reinstall the carrier frame cover onto the cutting unit, then reinstall and tighten the hand knobs. 2 5 1 3 m–5247 Figure 56 1. Deck belt 2. Idler arm spring 3. Outward pulley 4. PTO Drive Belt 5.
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. Important The inside diameter of the bushings may collapse slightly when installed. If the caster wheel fork does not slide into the new bushings, ream both bushings to an inside diameter of 1.126 in. (28.6mm). 8. Grease the fitting on the carrier frame mounting tube using No.
4. Inspect the roller bearing, bushings, spanner bushing and inside of the wheel hub for wear. Replace any defective or worn parts (Fig. 60). Note: Make sure the “L” end of spring is installed behind deck edge before installing the bolt as shown in figure 61. 3. Install bolt and nut. Place “J” hook end of spring around grass deflector (Fig. 61). 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.
Wiring Diagram S1 IGNITION G M KEY SWITCH P/N 29–5560 BK OFF ON W G+M NONE WIRE COLOR CODES BK BN BU GN GY OR M G KEY SW. F1 BLACK BROWN BLUE GREEN GREY ORANGE PK PINK R T VIO W Y RED TAN VIOLET WHITE YELLOW PK 7.5A PK J2–1 HOURMETER (OPTIONAL) S3 S2 BAIL SW. CLUTCH SW.
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 44
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 ignition key to “OFF” to stop the engine. Remove the key. C. Stop the engine, allow it to cool and drain the fuel tank; refer to Draining Fuel Tank, page 29. D. Restart the engine and run it 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. 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. Install new, correctly gapped spark plug. 6.
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 One-Year 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 any Toro Product used for commercial, institutional, or rental purposes if defective in materials or workmanship.
