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This troubleshooting guide lists the most common problems,
their causes and remedies.

Refer to

Regular Maintenance for instructions on how to perform

most of these minor adjustments and service repairs yourself.
If you prefer, all of these procedures can be performed for you
by your local authorized dealer.

WARNING

Remove ignition key prior to performing maintenance on
the unit.
To avoid serious injury, perform maintenance on the unit or
mower deck only when the engine is stopped and the parking
brake is engaged.

Always remove the ignition key, disconnect the spark plug
wire(s) and fasten it away from the plug(s) before beginning
the maintenance, to prevent accidental starting of the engine.

Troubleshooting Charts

Troubleshooting the Unit

Problem: Engine will not turnover or start.

Remedy

Cause

Depress the neutral return pedals fully
to return the unit to neutral.

Forward speed control lever is not in
the neutral position.

If engine is hot, allow it to cool, then
refill the fuel tank.

Out of fuel.

Carbureted Models: Move choke
control to the closed position. Fuel
Injected Models: See authorized
service dealer.

Engine flooded.

Replace fuse.

Fuse blown.

Visually check wiring & replace broken
or frayed wires. Tighten loose
connections.

Wiring loose or broken.

Replace as needed. See authorized
service dealer.

Safety interlock switch faulty.

Clean and gap or replace. See engine
manual.

Spark plug(s) faulty, fouled or
incorrectly gapped.

Drain fuel and replace with fresh fuel.

Water in fuel.

Drain fuel and replace with fresh fuel.

Gas is old or stale.

See authorized service dealer.

Fuel Injected Models Only:
Malfunction in fuel injection system.

Problem: Engine starts hard or runs poorly.

Remedy

Cause

1.) Clean air filter. 2.) Carbureted
Models: Check choke adjustment.
Fuel Injected Models: See authorized
service dealer.

Fuel mixture is too rich.

Clean and gap or replace. See engine
manual.

Spark plug faulty, fouled, or incorrectly
gapped.

Problem: Engine knocks.

Remedy

Cause

Check / Add oil as required.

Low oil level.

See engine manual.

Using wrong grade oil.

Problem: Excessive oil consumption.

Remedy

Cause

Clean engine fins, blower screen, and
air cleaner.

Engine running too hot.

See engine manual.

Using wrong weight oil.

Drain excess oil.

Too much oil in crankcase.

Problem: Engine exhaust is black.

Remedy

Cause

Replace air filter. See engine manual.

Dirty air filter.

Open choke control.

Engine choke control is in closed
position.

Problem: Malfunction Indicator Lamp (M.I.L.) is flashing

(Fuel Injected Models Only).

Remedy

Cause

See authorized service dealer.

Problem with the fuel injection system.

Problem: Engine runs but mower will not engage.

Remedy

Cause

Move transmission release lever(s) to
the "engaged" position.

Transmission release lever(s) in
"disengaged" position.

See "Transmission Drive Belt
Replacement".

Mower drive belt is broken.

See problem and cause below.

Mower drive belt is slipping.

See authorized service dealer.

Brake is not fully released.

Problem: Mower drive belt slips.

Remedy

Cause

Clean as required.

Pulleys or belt is greasy or oily.

Adjust spring tension. See
"Transmission Drive Belt
Replacement".

Tension is too loose.

Replace belt.

Belt stretched or worn.

Problem: Parking brake will not hold.

Remedy

Cause

See "Parking Brake Adjustment".

Brake is incorrectly adjusted.

Problem: Mower steers or handles poorly.

Remedy

Cause

Check and tighten any loose
connections.

Steering linkage is loose.

See "Specifications" for proper tire
inflation and adjust tire pressures
accordingly.

Improper tire inflation.

See "Neutral and Tracking
Adjustment".

Tracking needs adjustment.

Troubleshooting the Mower Deck

Problem: Mower deck will not raise.

Remedy

Cause

See authorized service dealer for
repair.

Lift Linkage not properly attached or
damaged.

Problem: Engine stalls easily with mower deck engaged.

Remedy

Cause

Содержание FW35 Series

Страница 1: ...N o t f o r R e p r o d u c t i o n ...

Страница 2: ...king Tire Pressures 20 Checking Adding Fuel 20 Replacing the Fuel Filter 20 Check Engine Oil Level 20 Change Engine Oil Filter 20 Engine Maintenance 21 Electronic Fuel Injection EFI System EFI Models 21 Service Air Filter 21 Accessing the Engine Compartment 21 Lubrication 21 Lubricating the Front Casters 23 Servicing the Mower Blades 23 Check Fill Transmission Oil 25 Transmission Oil Filter Change...

Страница 3: ... 5901319 5901320 5901324 5901325 5901326 5901449 5901451 5901450 5901452 5901364 5901365 5901398 5901396 5901366 5901420 5901361 5901362 5901363 5901456 5901457 The images in this document are representative and are meant to compliment the instructional copy they accompany Your unit may vary from the images displayed LEFT and RIGHT are as seen from the operator s position Copyright Briggs Stratton...

Страница 4: ...pment is only as safe as the operator If it is misused or not properly maintained it can be dangerous Remember you are responsible for your safety and that of those around you Use common sense and think through what you are doing If you are not sure that the task you are about to perform can be safely done with the equipment you have chosen ask a professional contact your local authorized dealer R...

Страница 5: ...rator use this equipment safely it is equipped with an operator present safety system Do NOT attempt to alter or bypass the system See your dealer immediately if the system does not pass all the safety interlock system tests found in this manual Fuel and Maintenance Always disengage all drives shutoff the engine and remove the key before doing any cleaning refueling or servicing Gasoline and its v...

Страница 6: ...hen operating near drop offs Do not mow in reverse unless absolutely necessary Always look down and behind before and while traveling in reverse Be aware of the mower discharge direction and do not point it at anyone Do not operate the mower without either the entire grass catcher or the deflector in place Slow down and use caution when making turns and when changing directions on slopes Never rai...

Страница 7: ...lopes unless necessary and then turn slowly Do not mow near drop offs ditches or embankments The operator could lose footing or balance or mower could suddenly turn over if a wheel is over the edge of a cliff or ditch or if an edge caves in Do not mow on wet grass Reduced footing or traction could cause sliding Do not mow excessively steep slopes Do not use grass catcher on steep slopes Children T...

Страница 8: ...rts in good working condition Replace all worn or damaged decals Never tamper with safety devices Check their proper operation regularly Disengage drives lower implement set parking brake stop engine and remove key or disconnect spark plug wire Wait for all movement to stop before adjusting cleaning or repairing Clean grass and debris from cutting units drives mufflers and engine to prevent fires ...

Страница 9: ...ment decals from your local dealer Part Number 5103601 Decal Warning A Part Number 7101665 Decal Danger B Part Number 5103665 Decal Warning Fire C Part Number 5104212 Decal Control Panel Models with Standard Handle Bars D Part Number 5104377 Decal Control Panel CC Models with Centralized Controls Handle Bars E Safety Alert Symbol and Signal Words The safety alert symbol indicates a potential perso...

Страница 10: ...s the operator presence handles and the PTO switch is pulled up to the ON position Test 6 Blade Brake Check Mower blades and mower drive belt should come to a complete stop within seven 7 seconds after electric PTO switch is turned OFF or operator releases the operator presence handles If the mower drive belt does not stop within seven 7 seconds see your dealer NOTE Once the engine has been stoppe...

Страница 11: ...e handles in order to activate the PTO Power Take Off switch If the operator presence handles are released and the forward speed control lever is in the NEUTRAL position and the PTO switch is engaged the mower blades will stop but the engine will remain running If the operator presence handles are released and the forward speed control lever is NOT in the NEUTRAL position the engine will stop with...

Страница 12: ...F Allows the engine to run and powers the electrical system RUN Cranks the engine for starting START NOTE Never leave the ignition switch in the RUN position with the engine stopped this drains the battery Parking Brake Pull the parking brake lever rearward and up to engage the parking brake Move the lever fully forward and down to disengage the parking brake Releases the parking brake Disengage L...

Страница 13: ...ndle counter clockwise Operation Before First Time Use Be sure to read all information in the Safety and Operation sections before attempting to operate this unit Become familiar with all of the controls and how to stop the unit Operate in an open area without engaging the PTO to become accustomed to the unit WARNING Read the operator s manual before attempting to operate the machine If you do not...

Страница 14: ...TTLE when mowing In the event of an emergency the engine can be stopped by simply turning the ignition switch to STOP Use this method only in emergency situations For normal engine shut down follow the procedure given in STOPPING THE MOWER Starting the Engine Fuel Injected Models WARNING If you do not understand how a specific control functions or have not yet thoroughly read the Features Controls...

Страница 15: ...ed to slow the reaction time of the controls and reduce noise Practice maneuvering the machine at a slow engine speed on level ground with the PTO switch in the OFF position until you are familiar with the controls To Move Forward and Set Forward Speed 1 Disengage the parking brake 2 Gently move the forward speed control lever A Figure 8 inset 1 forward until desired speed is achieved 8 To Move Ba...

Страница 16: ... Typically you should mow the grass when it is between three and five inches high The proper cutting height range for a specific lawn will depend upon several factors including the type of grass the amount of rainfall the prevailing temperature and the lawn s overall condition Cutting the grass too short causes weak thin grass plants which are easily damaged by dry periods and pests Cutting too sh...

Страница 17: ...slower ground speed will improve the cutting efficiency of the blades and prevents many common cutting problems Use an appropriate ground speed for the thickness and height of the grass you are cutting 3rd gear or slower for manual gear models If you hear the engine slowing down you are mowing too fast use a slower ground speed 12 Where possible make one or two passes around the outside of the are...

Страница 18: ...h decompose properly much more quickly than longer clippings The ideal cutting height will vary with climate time of year and quality of your lawn We recommend that you experiment with both the cutting height and ground speed until you achieve the best cut Start with a high cutting height and using progressively lower settings until you find a cutting height that is matched to your mowing conditio...

Страница 19: ...sed if it is removed put in a cool dry place and fully charged about once a month If battery is left in unit disconnect the negative cable 10 Drain fuel system completely or add a gasoline stabilizer to the fuel system If you have chosen to use a fuel stabilizer and have not drained the fuel system follow all safety instructions and storage precautions in this manual to prevent the possibility of ...

Страница 20: ...lammable and must be handled with care Never fill the tank when the engine is still hot from recent operation Do NOT allow open flame smoking or matches in the area Avoid over filling and wipe up any spills To add fuel 1 Stop the engine and allow it to cool for at least 3 minutes 2 Remove the fuel cap 3 Fill the tank to the bottom of the filler neck This will allow for fuel expansion NOTE Do not o...

Страница 21: ...For engine maintenance schedules and procedures please refer to the engine operator s manual Electronic Fuel Injection EFI System EFI Models EFI is an electronically controlled fuel management system which is monitored by an Electronic Control Unit ECU A Malfunction Indicator Lamp M I L will illuminate if problems or faults are detected Servicing by an authorized dealer is necessary CAUTION Do not...

Страница 22: ...cating the Front Casters A Figure 21 N A Front Casters See Lubricating the Front Casters Not all greases are compatible Red grease p n 5022285 is recommended automotive type high temperature lithium grease may be used when this is not available Oil Application Locations Operator presence flap pivots D Figure 17 Neutral return pedal pivots E Deck Lift Crank Pivots F Control Rod Pivots G Lower Parki...

Страница 23: ...e the 1 4 28 grease fitting and re install the 1 4 28 bolt 4 Repeat process for the other side of the machine Servicing the Mower Blades Removing the Mower Blades CAUTION Laceration hazard Mower blades are sharp Always wear gloves when handling or working near mower blades 1 Use a block of wood to prevent the mower blade from turning as shown in Figure 22 22 2 Using a wrench remove the bolt securi...

Страница 24: ...r Blades Sharpening the Mower Blades WARNING Thrown objects and fire hazard Grinding mower blades throws sparks and fine metal particles that are capable of igniting gasoline and gasoline vapors and that can injure unprotected eyes Be sure all flammable materials are cleared from the area where grinding will occur Always wear safety glasses or goggles when grinding mower blades 1 Sharpen mower bla...

Страница 25: ...ing and torque to 70 ft lbs 94 Nm 27 Check Fill Transmission Oil Oil Type 20W 50 conventional detergent motor oil 1 Check the oil level when the unit is cold Locate the transmission oil reservoirs A Figure 28 located on the handle bar assembly The oil should be up to the FULL COLD mark B If the oil is below this level proceed to step 2 28 2 Before removing the reservoir caps make sure the area aro...

Страница 26: ...preferably facing a wall Disengage the PTO engage the parking brake turn the ignition switch to OFF and remove the key 2 Chock the front caster wheels Raise the drive wheels off the ground and secure the machine with jack stands 3 Start the engine and adjust the throttle control to the SLOW position See Starting the Engine section for proper starting instructions 4 Loosen the jam nuts A Figure 30 ...

Страница 27: ... taken from the top of the trunnion D to the bottom of the washer E underneath the black adjustment knob F 31 To increase the level of responsiveness 1 Park the unit on a flat level surface such as a concrete floor Depress the neutral return pedals to return the transmissions to neutral disengage the PTO engage the parking brake turn ignition switch to OFF and remove the key 2 Loosen the wing nut ...

Страница 28: ...ease the amount of clearance between the handle bars and the drive levers turn the linkage rod clockwise 4 Once the measurement of 1 2 54 cm is achieved tighten the jam nuts against the linkage rod ball joints 5 Repeat the process for the other side of the unit NOTE Both drive levers should be adjusted equally Limiting the Maximum Forward Speed The operator can control the maximum forward speed of...

Страница 29: ...r Deck Needs to be Leveled 1 Park the machine on a flat level surface Fully depress the neutral return pedals to return the transmissions to NEUTRAL disengage the PTO engage the parking brake turn the ignition switch to OFF and remove the ignition key 2 Verify that the rear tires are inflated to 15 psi 1 03 bar 3 Verify that the mower blades are flat and not bent or broken A bent or broken blade m...

Страница 30: ...lace the square end in the square hole located in the end of the idler arm A Figure 37 carefully rotate the breaker bar counter clockwise which will relieve the tension on the belt exerted from the idler arm 37 4 Slide the drive belt over the edge of the rear stationary idler pulley B Carefully release the tension on the breaker bar 5 Remove the old belt and replace with a new one Make sure that t...

Страница 31: ...a concrete floor Disengage the PTO engage the parking brake turn the ignition switch to OFF and remove the key 2 Remove the mower deck drive belt See Mower Deck Drive Belt Replacement 3 Loosen and remove the hardware A Figure 41 that secures both transmission fan guards B from the engine deck Remove the transmission fan guards from the unit 41 4 Cut the wire tie that secures the PTO clutch wire ha...

Страница 32: ...e of the flat side adjustable idler pulley I 13 Reconnect the spring to the spring anchor eyebolt Turn the adjustment nut until a coil to coil measurement J of 3 1 4 8 3 cm is achieved Tighten the jam nut 14 Align the PTO clutch mounting tab with the slot in the PTO clutch and then reinstall the PTO clutch mounting tab to the engine deck and secure using hardware previously removed 15 Reconnect th...

Страница 33: ...shows battery voltage which should be 12 volts When engine is running the voltmeter shows voltage of charging circuit which normally is 13 to 14 volts A dead battery or one too weak to start the engine may not mean the battery needs to be replaced For example it may mean that the alternator is not charging the battery properly If there is any doubt about the cause of the problem see your dealer If...

Страница 34: ...id 5 Connect the other end of same cable to same post marked positive on booster battery 6 Connect the second cable negative to other post of booster battery 7 Make final connection on engine block of stalled vehicle away from battery Do not lean over batteries 8 Start the engine of the vehicle with the booster battery Wait a few minutes then attempt to start the engine of the vehicle with the dis...

Страница 35: ...d Models See authorized service dealer Fuel mixture is too rich Clean and gap or replace See engine manual Spark plug faulty fouled or incorrectly gapped Problem Engine knocks Remedy Cause Check Add oil as required Low oil level See engine manual Using wrong grade oil Problem Excessive oil consumption Remedy Cause Clean engine fins blower screen and air cleaner Engine running too hot See engine ma...

Страница 36: ...ng Remedy Cause Sharpen your blades Blades are not sharp Replace your blades Blades are worn down too far Always mow at full throttle Engine speed is too slow Slow down Ground speed is too fast Clean out the mower Deck is plugged with grass Overlap your cutting rows Not overlapping cutting rows enough When turning your effective cutting width decreases overlap more when turning Not overlapping eno...

Страница 37: ...e engine models is labeled in accordance with SAE Society of Automotive Engineers code J1940 Small Engine Power Torque Rating Procedure and is rated in accordance with SAE J1995 Torque values are derived at 2600 RPM for those engines with rpm called out on the label and 3060 RPM for all others horsepower values are derived at 3600 RPM The gross power curves can be viewed at www BRIGGSandSTRATTON C...

Страница 38: ...below Riding mowers 90 days 2 years 24 months unlimited hours Except as noted below Walk mowers over 30 inches of cutting width 90 days 90 days Belts Tires Brake Pads Hoses Battery Blades 90 days 1 year Attachments See Engine Operator s Manual See Engine Operator s Manual Engine Emissions related components are covered by the Emissions Warranty Statement In Australia Our goods come with guarantees...

Страница 39: ...s are not covered by warranty due to wear characteristics alone unless the cause is due to defects in material or workmanship Stale Fuel In order to function correctly this product requires fresh fuel that conforms to the criteria specified in the Operator s Manual Damage caused by stale fuel carburetor leaks clogged fuel tubes sticking valves etc is not covered by warranty Other Exclusions This w...

Страница 40: ...N o t f o r R e p r o d u c t i o n ...

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