Form No. 3325–195 Mid–Size Mower ProLine Gear 17 HP with 52 in.
Warning Starting and Stopping the Engine . . . . . . . . . . . . Operating Mower Blade Control (PTO) . . . . . . . The Safety Interlock System . . . . . . . . . . . . . . . . Driving Forward or Backward . . . . . . . . . . . . . . . Lower Control Bar Operation . . . . . . . . . . . . . . . Stopping the Machine . . . . . . . . . . . . . . . . . . . . . Transporting Machines . . . . . . . . . . . . . . . . . . . . Side Discharge or Mulch Grass . . . . . . . . . . . . . . Adjusting Height-of-Cut . . . . . . .
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. This machine meets or exceeds the B71.4 1999 specifications of the American National Standards Institute, in effect at time of production.
• Slow down and use caution when making turns and crossing roads and sidewalks. Stop blades if not mowing. • Use extra care when handling gasoline and other fuels. They are flammable and vapors are explosive. • Use only an approved container • Be aware of the mower discharge direction and do not point it at anyone. • Never remove gas cap or add fuel with engine running. Allow engine to cool before refueling. Do not smoke.
Toro Mower Safety DO • Remove obstacles such as rocks, tree limbs, etc. from the mowing area. Watch for holes, ruts or bumps. Tall grass can hide obstacles. The following list contains safety information specific to Toro products or other safety information that you must know that is not included in the ANSI standards. • Use slow speed so that you will not have to stop while on the slope. This product is capable of amputating hands and feet and throwing objects.
• Battery gases can explode. Keep cigarettes, sparks and flames away from battery. • Hydraulic fluid escaping under pressure can penetrate the skin and cause injury. Use cardboard or paper to find hydraulic leaks. Never use your hands.
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. Under Belt Covers (Part No. 67-5360) On Rear Frame (Part No. 95-2814) Front of Deck (Part No. 66-1340) On Engine Near Muffler (Part No. 63-8440) Left Side of Deck (Part No. 68-8340) Left Side of Deck (Part No. 43-8480) On Grass Deflector (Part No.
Under Belt Covers (Part No. 104–8186) On Front of Deck (Part No. 105–0840) On Top of Control Panel (Part No. 104–8180) On Side of Carrier Frame (Part No. 104–8171) On Control Panel (Part No.
ON UPPER CONTROL BAR (Part No. 82-2290) ON LOWER CONTROL BAR (Part No. 82-2280) ON PARKING BRAKE LEVER (Part No. 52-2010) ON CONTROL PANEL (Part No. 98-3256) P A R K I N G B R A K E On Right Side of Deck (Part No. 104–8569) On Upper Handle (Part No. 98-4387) On Upper Handle (Part No. 104–8175) On Back of Engine Deck (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 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. USE Fuel tank 1 Control panel 1 Bolt, 5/16 x 7/8 in. 2 Lock washer, 5/16 in. 2 Washer, 5/16 in. 4 Spring 2 Stud 2 Hose clamp 1 Upper handle 1 Flanged bolt 3/8 x 1 in. 4 Flange nut 3/8 in.
4. Secure each lower mounting hole with a flange bolt (3/8 x 1 in. (26mm)) and flange nut (Fig. 4). Torque bolts to 25 ft. lbs. (34 N.m). 5. Align the control panel, side to side, so there is 1/16 in. (2 mm) space between panel and lever. 6. Secure the right side control panel and fuel tank to the rear frame (Fig. 3) with 2 bolts (5/16 x 7/8 in.), lock washers (5/16 in.) and washers (5/16 in.) (Fig. 3). 4 7. Secure the left side control panel and fuel tank to the rear frame (Fig.
8. Repeat procedure on opposite side if adjustment is required to keep control bar and fixed bar parallel. Note: The upper control bar and fixed bar must be parallel when in engaged, drive, relaxed and brake positions. 4. Check operation. If adjustment is required, remove hairpin cotter securing rod to upper control bar. Thread rod in or out of fitting for proper position and install into upper control bar with hairpin cotter. 1 4 5 4 2 2 3 3 1 5 m–5316 Figure 8 1. Idler bracket 2.
Think Safety First Parking Brake Lever – Pull back on upper control bar and swing brake lever up against the upper handle. 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. Ignition Switch – Key switch is used in conjunction with recoil starter. Switch has two positions: RUN and OFF. Recoil Starter – Pull recoil Starter handle to start engine.
Releasing the Parking Brake 2. Let engine idle for 30 to 60 seconds before turning the ignition key “OFF.” 1. Pull rearward on the upper control bar (Fig. 12). Lower the parking brake lock to the released position. 3. Turn the ignition key to “OFF” (Fig. 13). 2. Gradually release the upper control bar. 2 2 1 1 m–5190 Figure 13 m–5233 1. Throttle lever Figure 12 1. Upper control bar 2. Ignition key 2. Parking brake lever 4. Set the parking brake. 5.
2. Squeeze the blade control bail against upper control bar. The blades should not rotate. 2 1 3. Then continue holding the blade control bail and pull up on the blade control switch and release. The clutch should engage and the mower blades begin rotating. 3 4. Release the blade control bail. The blades should stop rotating. 5. With the engine running, pull up the blade control switch (PTO)and release without holding the blade control bail. The blades should not rotate.
3. Slowly squeeze the lower control bar and handle together to move rearward (Fig. 15). 1 Lower Control Bar Operation 2 This procedure is for driving up a curb. This can be performed while driving forward or backward. 1. Disengage the mower blades. Warning m–4185 A blade can be bent or damaged when driving up a curb. Pieces of blade that may be thrown could seriously injure or kill you or bystanders. Figure 17 1. Lower Control Bar engaged and mower in reverse.
Side Discharge or Mulch Grass 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. Danger 3 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.
4 1 3 2 5 m–5201 Figure 19 1. Gage Wheel 2. Stud 3. Washer 4. Nut 5. Wheel nut and washer. Do Not Remove. Adjusting Center Gage Wheels The gage wheels must be adjusted in the proper hole location for each height-of-cut position. 1. After adjusting height-of-cut remove bolt, washers and nut (Fig. 20). 2. Select a hole position so the gage wheels are a minimum of 3/8 in. (9.5 mm) off the ground for the height-of-cut to be used (Fig. 20). 3. Reinstall the bolt, washers and nut (Fig. 20).
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 Service Interval/Specification 2 4 3 ÓÓÓÓÓ ÓÓÓÓÓ ÓÓÓÓÓ ÓÓÓÓÓ ÓÓÓÓÓ Foam Element: Clean and re-oil after every 25 operating hours.
ÓÓÓÓÓÓÓ ÓÓÓÓÓÓÓ ÓÓÓÓÓÓÓ ÓÓÓÓÓÓÓ ÓÓÓÓÓÓÓ ÓÓÓÓÓÓÓ ÓÓÓÓÓÓÓ 2. Place the air cleaner assembly onto the air cleaner base (Fig. 21). Secure with nut. 2 1 3. Install the air cleaner cover and secure latches (Fig. 21). Engine Oil Service m–4694 Service Interval/Specification Figure 22 1. Foam element Change oil: 2. Oil • After the first 8 operating hours. • After every 100 operating hours.
1 5. Slowly pour approximately 80% of the specified oil, page 24, into the filler tube (Fig. 24). Now check the oil level; refer to Checking Oil Level, page 24. Slowly add additional oil to bring to “FULL” mark on dipstick. 2 3 Change Oil Filter Service Interval/Specification Replace the oil filter every 200 hours or every other oil change. Note: Change oil filter more frequently when operating conditions are extremely dusty or sandy. Figure 24 1. Oil dipstick 2. Metal end 3. Filler tube 1.
2 Type: Champion RCJ8Y or NGK BPR4ES Air Gap: 0.030 in. (.75 mm) 3 1 Removing the Spark Plug(s) 0.030 in. (.75 mm) 1. Disengage the power take off (PTO), chock or block tires, 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. 27). Now clean around the spark plug(s) to prevent dirt from falling into the engine and potentially causing damage. 3. Remove the spark plug(s). Figure 28 1. Center electrode insulator 2.
Where to Add Grease Lubricate the transmission couplers Lubricate the grease fittings as shown on the CHECK SERVICE REFERENCE AID decal (Figure 29). 1. Lubricate the transmission couplers located in the back of the machine (Fig. 30). m–5191 Figure 31 Greasing the PTO Drive Belt Idler 1. Stop the engine, chock or block tires, remove the key and disconnect the spark plug wire(s) from the spark plug(s). Figure 29 2. Grease the idler pulley pivot for the deck (Fig. 32).
and linkage. This will help insure adequate cooling and correct engine speed and will reduce the possibility of overheating and mechanical damage to the engine. 2 1 Checking Tire Pressure Service Interval/Specification Maintain the air pressure in the front and rear tires as specified. Check the pressure at the valve stem after every 40 operating hours or monthly, whichever occurs first (Fig. 33). Check the tires when they are cold to get the most accurate pressure reading. m–5233 Figure 34 1.
Fuel Tank Service 3 Danger 4 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. 2 1 5 • 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–5316 Figure 35 1. Hairpin cotter and washer 2. Trunnion 3.
1 3 2 1 m–5235 Figure 37 1. Fuel line 2. Hose clamp 3 1 3. Fuel shut off valve 2 M-4294 Figure 38 1. Hose clamp 2. Fuel line 3. Filter Fuel Filter Service Fuse Service Replace the fuel filter after every 200 operating hours or yearly, whichever occurs first. Service Interval/Specification Replacing the Fuel Filter The electrical system is protected by a fuse. It requires no maintenance, however, if the fuse blows check component/circuit for malfunction or short.
Front Danger A A worn or damaged blade can break, and a piece of the blade could be thrown into the operator’s or bystander’s area, resulting in serious personal injury or death. A A • Inspect the blade periodically for wear or damage. • Replace a worn or damaged blade. m–1078 Figure 41 Before Inspecting or Servicing the Blades Park the machine on a level surface, disengage the blade control (PTO) and chock or block tires. Turn the ignition key to “OFF” to stop the engine.
Important The sail part of the blade must be pointing upward, toward the inside of the mower to ensure proper cutting (Fig. 43). 3 1 2. Install the blade stiffener and blade bolt (Fig. 43). Torque the blade bolt to 85–110 ft-lb (115–140 N m). 2 Correcting Cutting Unit Mismatch 5 4 If one deck blade cuts lower than the other, correct as follows. m–5227 Figure 43 1. Sail Area of Blade 2. Blade 3. Blade spindle Note: Tire air pressure is critical in these procedures.
6 4 A 1 5 Checking Carrier Frame Front–to–Rear Pitch 2 The carrier frame must have a pitch of a 1/4 in. over the length of 24 inches on the carrier frame (Fig. 48). 1. Measure out 24 inches on the carrier frame (Fig. 48). 2. Measure carrier frame height at location “A” (Fig. 48). 3. Measure carrier frame height at location “B” (Fig. 48). 4. The height at location “A” must be a 1/4–3/8 in. lower than location “B” (Fig. 48). 3 5.
5 3 2 2 5 A MEASURE FROM CUTTING EDGE TO A LEVEL SURFACE B m–2539 Figure 51 4 1 Changing the Deck Front-to-Rear Pitch 4 1 m–5231 Figure 49 1. Caster Wheel 2. Carrier Frame 3. Front height–of–cut pins Changing the front–to–rear pitch is done by adjusting the front height–of–cut posts. 4. Same height at locations A and B 5. Caster spacers Changing the Deck Front–to–Rear Pitch by Adjusting Front Height–of–Cut Posts Checking the Deck Front-to-Rear Pitch 1.
Checking the Deck Side-to-Side Leveling Matching Height of Cut 1. Check the tire pressure on both deck and traction unit. 2. Set the height-of-cut to the 4 in. position following the height-of-cut decal. 1. Check the tire pressure on both deck and traction unit. 2. Position the blades side-to-side (Fig. 53). Measure at “A” and “B” locations (Fig. 53) from a level surface to the cutting edge of blade tips (Fig. 54). 3. With the machine on level surface, position one blade front-to-rear (Fig. 55).
3 3. Raise wheel off ground enough to allow belt removal. 1 4 3 5 1 7 4 2 2 6 8 m–5321 Figure 58 m–1722 1. 2. 3. 4. Figure 57 1. Top capscrew 2. Idler bracket 3. Idler support 4. Bottom capscrew Replacing the Traction Belt Traction belt Idler pulley Clutch retainer Tension spring 5. 6. 7. 8. Clutch wire connector Pivot bolt Drive pulley Engine deck Replacing the Deck Belt 1. Raise the front of the machine and hold with jack stands.
10. Install the carrier frame cover onto the cutting unit, then install and tighten the hand knobs. 9. Adjust PTO drive belt guides an 1/8 in. from belt (Fig. 60). 11. Adjust deck belt guide an 1/8 in. from belt (Fig. 59). 10. install the heat shield to the the engine deck and carrier frame. 3 4 11. Install the belt covers onto the cutting unit, then install and tighten the knobs. 12. Install the carrier frame cover onto the cutting unit, then install and tighten the hand knobs.
1 2 2 1 3 2 4 2 m–5197 Figure 62 1. Carrier Frame Mounting Tube m-5198 2. Bushing Figure 61 1. Locking Pin 2. Spacers (locate as required) 3. Carrier Frame Mounting Tube 4. Caster Wheel Fork Caster Wheel and Bearings Service 4. Insert a pin punch into the mounting tube and carefully drive out the bushings (Fig. 62). Clean the inside of the mounting tube. The caster wheels rotate on a roller bearing supported by a spanner bushing. If the bearing is kept well lubricated, wear will be minimal.
3. Install bolt and nut. Place “J” hook end of spring around grass deflector (Fig. 64). 1 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. 2 8 6 4 2 3 3 5 1 5 4 3 7 m-5210 Figure 63 1. Locknut 2. Wheel Bolt 3. Bushing 4. Spanner Bushing 5. Roller Bearing m-5037 Figure 64 1. 2. 3. 4. 5. 5. To assemble, place one (1) bushing into the wheel hub.
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 PK P5–2 S3 S2 CLUTCH SW. BAIL SW.
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” to stop the engine. Remove the key. B. Stop engine, allow to cool and drain the fuel tank; refer to Fuel Tank Service, page 29, 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 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.
