Toro 30339 Operator'S Manual Download Page 50

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PROBLEM

CORRECTIVE ACTION

POSSIBLE CAUSES

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
under engine blower housing
are plugged.

Remove obstruction from
cooling fins and air passages.

Spark plug is pitted, fouled, or
gap is incorrect.

Install new, correctly gapped
spark plug.

Vent hole in fuel cap is
plugged.

Clean or replace the fuel cap.

Dirt in fuel filter.

Replace fuel filter.

Dirt, water, or stale fuel is in
fuel system.

Contact Authorized Service
Dealer.

Engine overheats.

Engine load is excessive.

Reduce ground speed.

Oil level in crankcase is low.

Add oil to crankcase.

Cooling fins and air passages
under engine blower housing
are plugged.

Remove obstruction from
cooling fins and air passages.

Machine does not drive.

Neutral lock is in neutral
position.

Move neutral lock to forward
position.

Hydrostatic fluid level low.

Fill hydrostatic fluid tank.

Traction belt is worn, loose or
broken.

Change Belt.

Traction belt is off pulley.

Install Belt.

Machine does not drive up hills or
inclines.

By-pass valve is adjusted too
far open.

Adjust by-pass valve.

Machine moves slowly in neutral.

Neutral is mis-adjusted.

Neutral control spring is
broken or missing.

Adjust hydro linkages.

Replace neutral control
spring.

Machine drive is too aggressive.

By-pass valve is adjusted too
far closed.

Adjust by-pass valve.

Machine tracks left or right.

Tire pressure is not correct.

Adjust tire pressure.

Tracking knob not adjusted
correctly.

Adjust tracking knob.

Summary of Contents for 30339

Page 1: ...Operator s Manual English EN Form No 3325 890 Mid Size Mower ProLine Hydro 15 HP with 52 in Side Discharge Mower Model No 30339 210000001 and Up ...

Page 2: ...e 14 Install Upper Handle 15 Install Control Rods 15 Install Speed Control Rod 16 Hydro Linkage Set Up 16 Checking the Hydraulic Fluid 17 Install Hairpin Cotter Pins 17 Operation 17 Page Think Safety First 18 Controls 18 Starting and Stopping the Engine 19 Operating Neutral Locks 19 Operating Mower Blade Control PTO 20 The Safety Interlock System 20 Driving Forward or Backward 21 Bringing Machine ...

Page 3: ...light information Important calls attention to special mechanical information and Note emphasizes general information worthy of special attention Safety Improper use or maintenance by the operator or owner can result in injury To reduce the potential for injury comply with these safety instructions and always pay attention to the safety alert symbol which means CAUTION WARNING or DANGER personal s...

Page 4: ...ter striking objects or if an abnormal vibration occurs Make necessary repairs before resuming operations Keep hands and feet away from the cutting unit Look behind and down before backing up to be sure of a clear path Keep pets and bystanders away Slow down and use caution when making turns and crossing roads and sidewalks Stop blades if not mowing Be aware of the mower discharge direction and do...

Page 5: ... you feel uneasy on a slope do not mow it DO Watch for holes ruts or bumps Tall grass can hide obstacles Use slow speed so that you will not have to stop while on the slope Use extra care with grass catchers or other attachments These can change the stability of the machine Keep all movement on slopes slow and gradual Do not make sudden changes in speed or direction Avoid starting or stopping on a...

Page 6: ...6 ...

Page 7: ...7 Slope Chart ...

Page 8: ...8 ...

Page 9: ...ecals 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 82 4590 67 5360 66 1340 43 8480 95 2814 63 8440 68 8340 54 9220 ...

Page 10: ...10 105 4146 1 523552 98 0776 98 4387 95 1543 104 8569 105 4144 104 8172 ...

Page 11: ...11 105 4109 105 0840 105 4110 104 8186 104 8171 105 4106 ...

Page 12: ...12 105 4108 ...

Page 13: ...efuel such equipment on a truck or trailer from a portable container rather than from a gasoline dispenser nozzle If a gasoline dispenser nozzle must be used keep the nozzle in contact with the rim of the fuel tank or container opening at all times until fueling is complete Gasoline is harmful or fatal if swallowed Long term exposure to vapors can cause serious injury and illness Avoid prolonged b...

Page 14: ...in cotter 2 Install hairpin cotter pins Operator s Manual Engine Operator s Manual Parts Catalog Registration card 1 1 1 1 Read before operating machine 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 2 Secure fuel tank left side to ...

Page 15: ...ium or low position for the lower mounting hole Fig 3 This allows the upper handle to be adjusted to the user s height preference Note Do not put in high position Machine can not be used in the high position 4 Secure each lower mounting hole with a flange bolt 3 8 x 1 in 26 mm and flange nut Fig 3 m 5401 1 2 3 4 5 6 7 8 9 Figure 3 1 Upper handle 2 Rear frame 3 Flange bolt 3 8 x 1 in 26 mm 4 Flange...

Page 16: ...ead 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 4 1 m 5402 3 7 2 6 5 Figure 6 1 Speed control rod 2 Yoke 3 Jam nut 4 Speed control crank 5 Hair pin cotter 6 Washer 7 Clevis pin Hydro Linkage Set Up Perform the following adjustments when the machine is first ...

Page 17: ... filler neck 2 1 3 M 42 Figure 7 1 Cap 2 Baffle 3 Fluid level full Hydraulic fluid escaping under pressure can penetrate skin and cause injury 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 Keep body and hands away from pin hole leaks or nozzles that eject high press...

Page 18: ...rol lever This machine has a variable speed control with a neutral position This controls how fast the machine will travel Drive levers Shift to desired gear and 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 Neutral lock Squeeze drive levers back and move locks to the rear for neutral lock...

Page 19: ...ope to recoil slowly 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 Move drive levers to neutral and set neutral locks 3 Let engine idle for 30 to 60 seconds before turning the ignition key OFF 4 Turn the ignition key to OFF Fig 11 m 5...

Page 20: ...lock switches are disconnected or damaged the machine could operate unexpectedly causing personal injury Do not tamper with the interlock switches Check the operation of the interlock switches daily and replace any damaged switches before operating the machine Caution Understanding the Safety Interlock System The safety interlock system is designed to prevent the mower from starting unless The bla...

Page 21: ...e the drive levers back together to move rearward Fig 14 Bringing Machine to Neutral Position Always set the neutral lock when you stop the machine Chock or block wheels if it is left unattended 1 Squeeze the drive levers back 2 Set the neutral locks Refer to Operating Neutral Locks on page 19 3 Move speed control lever to neutral position Stopping the Machine 1 To stop the machine squeeze the dri...

Page 22: ...er 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 Never remove the grass deflector from the mower because the grass deflector routes material down toward the turf If the grass deflector is ever damaged replac...

Page 23: ... cut post 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 17 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 17 3 Reinstall the bolt washers and nut Fig 17 1 2 3 4 4 m 5213 Figure 17 ...

Page 24: ...1 Paper Air Cleaner clean1 40 Hours PTO Belt Idler Arm grease Tires check pressure Hydraulic Oil check 50 Hours Belts check for wear cracks 100 Hours Engine Oil change1 Spark Plug s check Electric Clutch adjust Engine clean outside Paper Air Cleaner replace1 Hydraulic lines check After first 200 Hours Hydraulic oil filter change 200 Hours Oil Filter change 200 hours or every other oil change Fuel ...

Page 25: ...Paper Elements 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 Clean around the air cleaner to prevent dirt from getting into the engine and causing damage Pull out on retaining locks and remove the air cleaner cover Fig 18 3 Unscrew nut and remove the air cleaner assembly Fig 18 4 Carefully pull the foam element off the...

Page 26: ...he air cleaner cover and secure locks Fig 18 Engine Oil Service Service Interval Specification Change oil After the first 8 operating hours After every 100 operating hours Note Change oil more frequently when operating conditions are extremely dusty or sandy Oil Type Detergent oil API service SE SF or SG Crankcase Capacity with new filter 57 1 2 oz 1 7 l without new filter 51 oz 1 5 l Viscosity Se...

Page 27: ...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 1 Drain the oil from the engine refer to Changing Draining Oil page 27 2 Remove the old filter Fig 23 3 Apply a thin coat of new oil to the rubber gasket on the replacement filter Fig 23 1 2 M Figure 23 1 Oil filter 2 ...

Page 28: ...lectrodes an oily film or cracks 3 Check the gap between the center and side electrodes Fig 25 Bend the side electrode if the gap is not correct 0 030 in 75 mm 2 3 1 Figure 25 1 Center electrode insulator 2 Side electrode 3 Air gap not to scale Installing the Spark Plug s 1 Install the spark plug s Make sure the air gap is set correctly 2 Tighten the spark plug s to 11 ft lb 15 N m 3 Push the wire...

Page 29: ...ication 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 This will help ensure adequate cooling and correct engine speed and reduce the possibility of overheating and mechanical damage to the engine Checking Tire Pressu...

Page 30: ...e Fig 30 4 Pull the fuel line off the valve Fig 30 Open fuel shut off valve and allow gasoline to drain into a gas can or drain pan 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 1 2 m 5185 Figure 30 1 Fuel shut off...

Page 31: ...on filler neck 2 1 3 M 42 Figure 32 1 Cap 2 Baffle 3 Fluid level full Hydraulic fluid escaping under pressure can penetrate skin and cause injury 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 Keep body and hands away from pin hole leaks or nozzles that eject high pr...

Page 32: ... wheel begins to spin on its own keep it engaged until wheel drives smoothly minimum 2 minute 4 Check hydraulic fluid level as it drops and add as required to maintain proper level 5 Repeat procedure on opposite wheel Check Hydraulic Lines After every 100 operating hours check hydraulic lines and hoses for leaks loose fittings kinked lines loose mounting supports wear weather and chemical deterior...

Page 33: ...2 turn out 44 in 112 cm 1 turn out 36 in 91 cm 1 1 6 turn out 1 Loosen large jam nut several turns Fig 35 2 Gently close by pass valve Fig 35 Important Do not over tighten valve or needle and seat may be damaged Do not exceed 50 inch pounds to close valve 3 Open by pass valve 1 2 turn Fig 35 4 Tighten jam nut to lock the adjustment Fig 35 5 Repeat Test Procedure to check for proper operation Impor...

Page 34: ...when supporting machine Do not use hydraulic jacks Warning 1 Raise the rear of the machine onto jack stands to raise the drive wheels off the ground 2 Start the engine and move the throttle ahead to the full throttle position 3 Place the neutral locks in the full forward position and move the speed control lever to the medium speed position 4 Hold OPC levers down Note The OPC levers must be held d...

Page 35: ...jury Use jack stand when supporting machine Do not use hydraulic jacks Warning Left Side Linkage Adjustment 1 Raise the rear of the machine onto jack stands high enough to raise the drive wheels off of the ground 2 Place the speed control lever in the neutral position 3 Place the left drive lever in the full forward position 4 Hold OPC levers down Note The OPC levers must be held down whenever the...

Page 36: ...rward 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 However if adjustment is needed adjust the length of spring to 1 in 26 mm between the washers Fig 41 7 Adjust spring length by turning nut at front of spring Fig 41 3 2 1 m 5403 4 Figure 41 1 Hydro control linkage 2 Quick track knob 3...

Page 37: ...on page 29 3 Run the unit and observe the tracking on a level smooth hard surface such as concrete or asphalt 4 If the unit tracks to one side or the other turn the quick track knob Turn the knob right to steer right and turn the knob left to steer left Fig 43 1 m 5398 Figure 43 1 Quick track knob Adjusting the Electric Clutch The clutch is adjustable to ensure proper engagement and proper braking...

Page 38: ...ury or death Inspect the blade periodically for wear or damage Replace a worn or damaged blade Warning 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 Remove the key and disconnect the spark plug wire s from the spark plug s Inspecting the Blades 1 Inspect the cutt...

Page 39: ...ensure optimum performance and continued safety conformance of the machine use genuine TORO replacement blades Replacement blades made by other manufacturers may result in non conformance with safety standards 1 Hold the blade end using a rag or thickly padded glove Remove the blade bolt blade stiffener and blade from the spindle shaft Fig 49 1 3 2 4 5 m 5227 Figure 49 1 Sail Area of Blade 2 Blade...

Page 40: ...t the spark plug wire s from the spark plug s 2 Place a long straight edge on top of the engine deck as shown in figure 52 3 At the carrier frame cross tube measure location A height Fig 52 This measurement must be 2 13 16 in 71 mm plus or minus a 1 4 in 6 mm 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...

Page 41: ...o Side 1 Stop the engine remove the key and disconnect the spark plug wire s from the spark plug s 2 Adjust the tire pressure in all tires to specifications on page 29 3 Measure carrier frame height at location A Fig 55 4 Measure carrier frame height at location B Fig 55 5 If the carrier frame height is not the same move spacers from top or bottom of caster wheel to make it level The tire pressure...

Page 42: ... surface to the cutting edge of the blades Fig 57 5 Check the side to side leveling of the cutting unit 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 the cutting edge of blade tips Fig 60 3 The difference between measurements A and B should be no ...

Page 43: ...pivot bolt to 35 40 ft lb 47 54 N m Install tension spring between idler arm and frame bracket Fig 63 9 Install clutch retainer to the engine deck Fig 63 10 Connect clutch wire connector to wire harness 11 Install PTO drive belt m 5340 5 2 3 1 4 6 7 8 Figure 63 1 Traction belt 2 Idler pulley 3 Clutch retainer 4 Tension spring 5 Clutch wire connector 6 Pivot bolt 7 Drive pulley 8 Engine deck Replac...

Page 44: ...drive belt onto the PTO engagement pulley and the top groove of the center spindle pulley Fig 65 8 Install belt onto idler pulley and then install idler spring Fig 65 9 Adjust PTO drive belt guides an 1 8 in 3 mm from belt Fig 65 10 Install the heat shield to the the engine deck and carrier frame 11 Install the belt covers onto the cutting unit then install and tighten the knobs 12 Install the car...

Page 45: ...eam both bushings to an inside diameter of 1 126 in 28 6mm 8 Grease the fitting on the carrier frame mounting tube using No 2 general purpose lithium base or molybdenum base grease 2 2 1 m 5197 Figure 67 1 Carrier Frame Mounting Tube 2 Bushing Caster Wheel and Bearings Service The caster wheels rotate on a roller bearing supported by a spanner bushing If the bearing is kept well lubricated wear wi...

Page 46: ...o contact with the blade could occur Never operate the lawn mower unless you install a cover plate a mulch plate or a grass chute and catcher Warning 1 Remove the locknut bolt spring and spacer holding the deflector to the pivot brackets Fig 69 Remove damaged or worn grass deflector 2 Place spacer and spring onto grass deflector Place the L end of spring behind deck edge Note Make sure the L end o...

Page 47: ... Y Y Y T BK K1 Interlock Relay Operator Presence Switch No Operator 2 3 5 4 1 Neutral Switch In Neutral 10A F1 Clutch OPEN ON CLOSED OFF KEY SWITCH BROWN WIRE COLOR CODES BLACK GN GY OR W 1 2 5 4 7 8 PK BU BN BK PK BLUE ORANGE GREY GREEN T R PK W VIO Y W PTO Switch Off YELLOW VIOLET WHITE TAN RED PINK ...

Page 48: ...ydraulic Diagram A B A B Motor R i g h t S i d e M o t o r L e f t s i d e P u m p R i g h t S i d e P u m p L e f t s i d e E x p a n s i o n T ank Fi C h a r g e P u m p I n l e t C a s e D r a i n m 5225 ...

Page 49: ...tart again Use the primer if equipped on machine several times to ensure no fuel remains in primer system G Dispose of fuel properly Recycle as per local codes Important Do not store stabilizer conditioned gasoline over 90 days 8 Remove the spark plug s and check its condition refer to Spark Plug Service on page 27 With the spark plug s removed from the engine pour two tablespoons of engine oil in...

Page 50: ... low 2 Add oil to crankcase 3 Cooling fins and air passages under engine blower housing are plugged 3 Remove obstruction from cooling fins and air passages Machine does not drive 1 Neutral lock is in neutral position 1 Move neutral lock to forward position 2 Hydrostatic fluid level low 2 Fill hydrostatic fluid tank 3 Traction belt is worn loose or broken 3 Change Belt 4 Traction belt is off pulley...

Page 51: ...harpen blade s g g 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 Blades do not rotate 1 PTO Drive belt is worn loose or broken 1 Install new ...

Page 52: ...ne maintenance whether performed by a dealer or by you is at your expense Items and Conditions Not Covered There is no other express warranty except for special emission system coverage on some products This express warranty does not cover the following Cost of regular maintenance service or parts such as filters fuel lubricants tune up parts blade sharpening brake and clutch adjustments Any produ...

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