Polaris 2011 Breeze Instruction Manuals and User Guides
We have 2 Instruction Manuals and User Guides for 2011 Breeze Polaris
Manuals 
| Recognized languages: | English |
|---|---|
| Pages: | 100 |
| Size: | 2.33 MB |
Show table of contents
Document Outline
- WELCOME
- TABLE OF CONTENTS
- INTRODUCTION
- INTRODUCTION
- INTRODUCTION
- SAFETY
- SAFETY
- SAFETY
- SAFETY
- Operator Safety
- (if your vehicle is so equipped)
- Operating the vehicle in darkness or inclement weather could result in a collision or accident, especially if operating on a roa...
- Non-approved accessories may seriously affect vehicle stability. Using accessories not approved by Polaris for use on this vehicle could cause loss of control or an accident. Never operate with accessories not approved by Polaris for use on this vehicle.
- SAFETY
- SAFETY
- SAFETY
- SAFETY
- SAFETY
- SAFETY
- SAFETY
- SAFETY
- SAFETY
- SAFETY
- SAFETY
- SAFETY
- SAFETY
- SAFETY
- SAFETY
- FEATURES AND CONTROLS
- FEATURES AND CONTROLS
- Component Locations - Breeze 4 Passenger
- FEATURES AND CONTROLS
- FEATURES AND CONTROLS
- FEATURES AND CONTROLS
- FEATURES AND CONTROLS
- FEATURES AND CONTROLS
- FEATURES AND CONTROLS
- FEATURES AND CONTROLS
- FEATURES AND CONTROLS
- FEATURES AND CONTROLS
- FEATURES AND CONTROLS
- FEATURES AND CONTROLS
- FEATURES AND CONTROLS
- FEATURES AND CONTROLS
- Multifunction Light
- Flash Sequence
- Solution
- 1 Flash
- The system controller has an internal error. See your Polaris dealer for service.
- 2 Flashes
- Move the master on/off switch to OFF. Inspect electrical connections to the direction selector switch. Return the master on/ off switch to ON. If the light continues to flash, see your Polaris dealer for service.
- 3 Flashes
- Move the master on/off switch to OFF. Inspect electrical connections to the motor. Return the master on/off switch to ON. If the light continues to flash, see your Polaris dealer for service.
- 4 Flashes
- The line contactor requires service. See your Polaris dealer for service.
- 6 Flashes
- Move the master on/off switch to OFF. Inspect electrical connections to the accelerator pedal. Return the master on/off switch to ON. If the light continues to flash, see your Polaris dealer for service.
- 7 Flashes
- Battery voltage is low. Move the master on/off switch to OFF. Check battery cable connections. Return the master on/off switch to ON. If the light continues to flash, move the master on/off switch to OFF and use a battery tester to check each battery.
- Multifunction Light
- FEATURES AND CONTROLS
- FEATURES AND CONTROLS
- FEATURES AND CONTROLS
- FEATURES AND CONTROLS
- FEATURES AND CONTROLS
- FEATURES AND CONTROLS
- Seat Belts
- (if so equipped)
- 1. Place the belt across your lap as low on your hips as possible. Make sure that the belt is not twisted.
- 2. Push the latch plate into the buckle until it clicks.
- 3. Release the strap, it will self-tighten.
- To release the seat belt, press the square red button in the buckle's center.
- Seat Belt Inspection
- 1. Push the latch plate into the buckle until it clicks. The latch plate must slide smoothly into the buckle. A click indicates that it's securely latched.
- 2. Push the red release latch in the middle of the buckle to make sure it releases freely.
- 3. Check the belt webbing for wear, cuts or damage. If any irregularities are found, have the seat belt system checked and/or replaced by an authorized Polaris dealer.
- To clean dirt or debris from the seat belts, sponge the straps with mild soap and water. Do not use bleach, dye or household detergents.
- FEATURES AND CONTROLS
- OPERATION
- Brake System Break-in
- Pre-Ride Inspection
- Batteries
- Ensure batteries are fully charged
- 52
- Brake system
- Ensure proper operation
- 42
- 72
- Steering
- Ensure free operation
- 72
- Tires
- Inspect condition and pressure
- 74
- Wheels/fasteners
- Inspect, ensure fastener tightness
- 75
- Frame nuts, bolts, fasteners
- Inspect, ensure tightness
- -
- Accelerator
- Ensure proper operation
- 43
- Indicator lights/switches
- Ensure proper operation
- 35-40
- Headlamp
- Check operation, apply Polaris dielectric grease when lamp is replaced
- 78
- Seat Belts
- (if so equipped)
- Check length of belt for damage, check latches for proper operation
- 46
- OPERATION
- New Operator Driving Procedures
- 1. Read and understand the owner's manual and all warning and instruction labels before operating this vehicle.
- 2. Disconnect the battery charger (if connected). See page 81.
- 3. Perform the pre-ride inspection. See page 48.
- 4. Do not carry a passenger until you have at least two hours of driving experience with this vehicle.
- 5. Sit in the driver's seat and fasten the seat belt if equipped on your model.
- 6. Make sure the direction selector switch is in the proper position for your intended direction of travel.
- 7. Make sure the front wheels are turned in the intended direction of travel.
- 8. Apply the brakes.
- 9. Turn the key to the ON position.
- 10. Select an open area that allows room to familiarize yourself with vehicle operation and handling. Check for obstacles and people in your driving area.
- 11. Keeping both hands on the steering wheel, release the brakes and depress the accelerator with your right foot to begin driving.
- 12. Drive slowly at first. On level surfaces, practice starting, stopping, turning, maneuvering, using the accelerator and brakes and driving in reverse. Learn how the vehicle handles when making both left and right turns at a slow speed.
- 13. Increase speed only after mastering all maneuvers at a slow speed.
- 14. After you become skilled at making turns and begin to operate at faster speeds, follow these precautions:
- New Operator Driving Procedures
- OPERATION
- New Operator Driving Procedures
- Stopping
- Parking
- 1. Stop the vehicle on a level surface.
- 2. Engage the park brake.
- 3. If the vehicle will be parked for more than a few minutes, turn the key off. Remove the key and move the direction selector switch to the neutral position.
- 4. Any time the vehicle will be parked for more than a few hours, move the Master On/Off switch to the OFF position and follow the recommended storage procedures. See page 64.
- New Operator Driving Procedures
- OPERATION
- Driving with Passengers
- 1. Complete the New Operator Driving Procedures outlined on pages 49-50.
- 2. Perform the pre-ride inspection. See page 48.
- 3. Make sure all occupants are properly seated and if your vehicle is equipped with seatbelts be sure they are all secured.
- 4. Slow down. Always travel at a speed appropriate for your skills, your passenger's skills, and operating conditions. Avoid unexpected or aggressive maneuvers that could cause discomfort or injury to your passengers.
- 5. Vehicle handling may change with passengers on board. Allow more time and distance for braking.
- 6. Always follow all operating guidelines as outlined on safety labels and in this manual.
- Driving with Passengers
- OPERATION
- OPERATION
- OPERATION
- Driving Uphill
- 15° maximum
- 1. Always check the terrain carefully before ascending a hill.
- 2. Avoid steep hills (15° maximum).
- 3. Drive straight uphill.
- 4. Never climb hills with excessively slippery or loose surfaces.
- 5. Proceed at a steady rate of speed and accelerator position. Never apply full throttle suddenly.
- 6. Avoid unnecessary changes in speed or direction.
- 7. Never go over the crest of a hill at high speed. An obstacle, a sharp drop, or another vehicle or person could be on the other side of the hill.
- 8. If the vehicle stalls while climbing a hill, apply the brakes. Place the Direction Selector switch in reverse and slowly allow the vehicle to roll straight downhill while applying light brake pressure to control speed.
- 15° maximum
- Driving Uphill
- OPERATION
- OPERATION
- OPERATION
- Driving on a Sidehill (Sidehilling)
- 1. Drive slowly and use extreme caution.
- 2. If the vehicle begins to overturn, or if it feels as if it may overturn, immediately turn downhill.
- 3. Avoid obstacles and changes in terrain that may lower or raise one side of the vehicle or cause the vehicle to slide.
- 4. If the vehicle begins to slide downhill, immediately turn downhill to stop the slide, or stop the vehicle and maneuver slowly and carefully until the vehicle can be driven straight downhill.
- Driving on a Sidehill (Sidehilling)
- OPERATION
- OPERATION
- OPERATION
- OPERATION
- Transporting the Vehicle on a Trailer
- 1. Place the direction selector switch in the NEUTRAL position.
- 2. Engage the park brake.
- 3. Remove the key to prevent loss during transporting.
- 4. Always tie the frame of the Polaris vehicle to the trailer securely with suitable straps or rope.
- 5. Always follow these precautions when trailering the vehicle:
- 6. Remove all personal equipment and/or golf bags before towing vehicle on a trailer.
- 7. Remove the windshield if equipped. Failure to remove the windshield while in tow may cause damage to the vehicle and pose a safety hazard to others.
- Transporting the Vehicle on a Trailer
- CLEANING
- CLEANING
- STORAGE
- Storing the Vehicle
- 1. Make any necessary repairs and clean the vehicle. See page 62.
- 2. Clean the batteries. See page 81.
- 3. Store the vehicle out of the sun in a cool, dry place.
- 4. Be sure the storage area is well ventilated.
- 5. Move the Master On/Off switch to the OFF position.
- 6. Do not engage the park brake.
- 7. Verify that tire pressure is at specification.
- 8. Block the wheels to prevent rolling.
- 9. Fully charge the batteries. Leave the charger connected to maintain a full charge during the storage period, or check battery...
- Storing the Vehicle
- STORAGE
- Removal from Storage
- 1. Inspect all battery connections.
- 2. Verify that batteries are fully charged.
- 3. Verify that tire pressure is at specification.
- 4. Perform the pre-ride inspection. See page 48.
- 5. Inspect and verify the tightness of the bolts, nuts and other fasteners.
- 6. Lubricate at the intervals outlined in the Periodic Maintenance Chart beginning on page 62.
- Removal from Storage
- MAINTENANCE
- MAINTENANCE
- MAINTENANCE
- MAINTENANCE
- MAINTENANCE
- MAINTENANCE
- MAINTENANCE
- MAINTENANCE
- MAINTENANCE
- MAINTENANCE
- MAINTENANCE
- Tires
- Wheel Removal
- 1. Position the vehicle on a flat level surface.
- 2. Place the gear selector switch in neutral.
- 3. Apply the parking brake.
- 4. Loosen the wheel nuts slightly.
- 5. Elevate one side of the vehicle by placing a suitable stand under the frame. Do not ever elevate both rear wheels at the same time! Parking brake only locks rear wheels, and vehicle can roll.
- 6. Remove the wheel nuts. Remove the wheel.
- Wheel Removal
- Tires
- MAINTENANCE
- Tires
- Wheel Installation
- Rear
- 2. Place the wheel in the correct position on the wheel hub. Be sure the valve stem is toward the outside and rotation arrows on the tire point toward forward rotation.
- 3. Attach the wheel nuts and finger tighten.
- 4. Carefully lower the vehicle to the ground.
- 5. Torque the wheel nuts to specification. See page 75.
- Tires
- MAINTENANCE
- MAINTENANCE
- MAINTENANCE
- MAINTENANCE
- Batteries
- Battery Cleaning
- Battery Charging
- Charging Receptacle
- 2. Open any door enclosures or zippers.
- 3. Inspect charger cords and receptacles for cracks, loose connections and frayed wiring. Replace any damaged components promptly.
- 4. Always connect the charger to the vehicle first, then plug the charger into a wall receptacle. Make sure each charger uses a dedicated circuit to prevent overloading.
- 5. When disconnecting the charger, always disconnect the charger from the wall receptacle first, then disconnect the charger from the vehicle.
- Batteries
- MAINTENANCE
- SPECIFICATIONS
- SPECIFICATIONS
- SPECIFICATIONS
- POLARIS PRODUCTS
- Gearcase / Transmission Lubricants
- 2873602
- Premium AGL Synthetic Gearcase Lubricant (qt.)
- 2870465
- Pump for Gallon Jug
- Grease / Specialized Lubricants
- 2871312
- Grease Gun Kit, Premium All Season (3 oz.)
- 2871322
- Premium All Season Grease (3 oz. cartridge)
- 2871423
- Premium All Season Grease (14 oz. cartridge)
- 2871515
- Premium U-Joint Lube (3 oz.)
- 2871551
- Premium U-Joint Lube (14 oz.)
- 2871329
- Dielectric Grease (NyogelTM)
- Additives / Miscellaneous
- 2871956
- LoctiteTM 565 Thread Sealant
- TROUBLESHOOTING
- TROUBLSHOOTING
- WARRANTY
- WARRANTY
- WARRANTY
- WARRANTY
- WARRANTY
- MAINTENANCE LOG
- 9922984r01_covers.pdf
- INDEX
| Recognized languages: | English |
|---|---|
| Pages: | 87 |
| Size: | 8.30 MB |
Show table of contents
Document Outline
- WELCOME
- TABLE OF CONTENTS
- INTRODUCTION
- INTRODUCTION
- INTRODUCTION
- SAFETY
- SAFETY
- SAFETY
- SAFETY
- Operator Safety
- Operating the vehicle in darkness or inclement weather could result in a collision or accident, especially if operating on a roa...
- Non-approved accessories may seriously affect vehicle stability. Using accessories not approved by Polaris for use on this vehicle could cause loss of control or an accident. Never operate with accessories not approved by Polaris for use on this vehicle.
- SAFETY
- SAFETY
- SAFETY
- SAFETY
- SAFETY
- SAFETY
- SAFETY
- SAFETY
- SAFETY
- SAFETY
- SAFETY
- SAFETY
- SAFETY
- FEATURES AND CONTROLS
- FEATURES AND CONTROLS
- Component Locations
- FEATURES AND CONTROLS
- FEATURES AND CONTROLS
- FEATURES AND CONTROLS
- FEATURES AND CONTROLS
- FEATURES AND CONTROLS
- FEATURES AND CONTROLS
- Multifunction Light
- Flash Sequence
- Solution
- OFF
- If the light does not illuminate, verify that the master on/off switch is in the ON position. Check battery cable connections.
- 1 Flash
- The system controller has an internal error. See your Polaris dealer for service.
- 2 Flashes
- Move the master on/off switch to OFF. Inspect electrical connections to the direction selector switch. Return the master on/ off switch to ON. If the light continues to flash, see your Polaris dealer for service.
- 3 Flashes
- Move the master on/off switch to OFF. Inspect electrical connections to the motor. Return the master on/off switch to ON. If the light continues to flash, see your Polaris dealer for service.
- 4 Flashes
- The line contactor requires service. See your Polaris dealer for service.
- 6 Flashes
- Move the master on/off switch to OFF. Inspect electrical connections to the accelerator pedal. Return the master on/off switch to ON. If the light continues to flash, see your Polaris dealer for service.
- 7 Flashes
- Battery voltage is low. Move the master on/off switch to OFF. Check battery cable connections. Return the master on/off switch to ON. If the light continues to flash, move the master on/off switch to OFF and use a battery tester to check each battery.
- Multifunction Light
- FEATURES AND CONTROLS
- FEATURES AND CONTROLS
- FEATURES AND CONTROLS
- FEATURES AND CONTROLS
- FEATURES AND CONTROLS
- FEATURES AND CONTROLS
- Seat Belts
- 1. Place the belt across your lap as low on your hips as possible. Make sure that the belt is not twisted.
- 2. Push the latch plate into the buckle until it clicks.
- 3. Release the strap, it will self-tighten.
- To release the seat belt, press the square red button in the buckle's center.
- Seat Belt Inspection
- 1. Push the latch plate into the buckle until it clicks. The latch plate must slide smoothly into the buckle. A click indicates that it's securely latched.
- 2. Push the red release latch in the middle of the buckle to make sure it releases freely.
- 3. Check the belt webbing for wear, cuts or damage. If any irregularities are found, have the seat belt system checked and/or replaced by an authorized Polaris dealer.
- 4. To clean dirt or debris from the seat belts, sponge the straps with mild soap and water. Do not use bleach, dye or household detergents.
- Seat Belts
- FEATURES AND CONTROLS
- OPERATION
- Brake System Break-in
- Pre-Ride Inspection
- Batteries
- Ensure batteries are fully charged
- 43
- Brake system
- Ensure proper operation
- 33
- 63
- Steering
- Ensure free operation
- 63
- Tires
- Inspect condition and pressure
- 65
- Wheels/fasteners
- Inspect, ensure fastener tightness
- 66
- Frame nuts, bolts, fasteners
- Inspect, ensure tightness
- -
- Accelerator
- Ensure proper operation
- 34
- Indicator lights/switches
- Ensure proper operation
- 27-31
- Headlamp
- Check operation, apply Polaris dielectric grease when lamp is replaced
- 69
- Seat Latches
- Push down on both seat backs to ensure the latches are secure
- 38
- Seat Belts
- Check length of belt for damage, check latches for proper operation
- 37
- OPERATION
- New Operator Driving Procedures
- 1. Read and understand the owner's manual and all warning and instruction labels before operating this vehicle.
- 2. Disconnect the battery charger (if connected). See page 72.
- 3. Perform the pre-ride inspection. See page 39.
- 4. Do not carry a passenger until you have at least two hours of driving experience with this vehicle.
- 5. Sit in the driver's seat and fasten the seat belt.
- 6. Make sure the direction selector switch is in the proper position for your intended direction of travel.
- 7. Make sure the front wheels are turned in the intended direction of travel.
- 8. Apply the brakes.
- 9. Turn the key to the ON position.
- 10. Select an open area that allows room to familiarize yourself with vehicle operation and handling. Check for obstacles and people in your driving area.
- 11. Keeping both hands on the steering wheel, release the brakes and depress the accelerator with your right foot to begin driving.
- 12. Drive slowly at first. On level surfaces, practice starting, stopping, turning, maneuvering, using the accelerator and brakes and driving in reverse. Learn how the vehicle handles when making both left and right turns at a slow speed.
- 13. Increase speed only after mastering all maneuvers at a slow speed.
- 14. After you become skilled at making turns and begin to operate at faster speeds, follow these precautions:
- New Operator Driving Procedures
- OPERATION
- New Operator Driving Procedures
- Stopping
- Parking
- 1. Stop the vehicle on a level surface.
- 2. Engage the park brake.
- 3. If the vehicle will be parked for more than a few minutes, turn the key off. Remove the key and move the direction selector switch to the neutral position.
- 4. Any time the vehicle will be parked for more than a few hours, move the Master On/Off switch to the OFF position and follow the recommended storage procedures. See page 55.
- New Operator Driving Procedures
- OPERATION
- Driving with Passengers
- 1. Complete the New Operator Driving Procedures outlined on pages 40-41.
- 2. Perform the pre-ride inspection. See page 39.
- 3. Make sure all occupants are properly seated and have their seatbelts secured.
- 4. Slow down. Always travel at a speed appropriate for your skills, your passenger's skills, and operating conditions. Avoid unexpected or aggressive maneuvers that could cause discomfort or injury to your passengers.
- 5. Vehicle handling may change with passengers on board. Allow more time and distance for braking.
- 6. Always follow all operating guidelines as outlined on safety labels and in this manual.
- Driving with Passengers
- OPERATION
- OPERATION
- OPERATION
- Driving Uphill
- 15° maximum
- 1. Always check the terrain carefully before ascending a hill.
- 2. Avoid steep hills (15° maximum).
- 3. Drive straight uphill.
- 4. Never climb hills with excessively slippery or loose surfaces.
- 5. Proceed at a steady rate of speed and accelerator position. Never apply full throttle suddenly.
- 6. Avoid unnecessary changes in speed or direction.
- 7. Never go over the crest of a hill at high speed. An obstacle, a sharp drop, or another vehicle or person could be on the other side of the hill.
- 8. If the vehicle stalls while climbing a hill, apply the brakes. Place the Direction Selector switch in reverse and slowly allow the vehicle to roll straight downhill while applying light brake pressure to control speed.
- 15° maximum
- Driving Uphill
- OPERATION
- OPERATION
- OPERATION
- Driving on a Sidehill (Sidehilling)
- 1. Drive slowly and use extreme caution.
- 2. If the vehicle begins to overturn, or if it feels as if it may overturn, immediately turn downhill.
- 3. Avoid obstacles and changes in terrain that may lower or raise one side of the vehicle or cause the vehicle to slide.
- 4. If the vehicle begins to slide downhill, immediately turn downhill to stop the slide, or stop the vehicle and maneuver slowly and carefully until the vehicle can be driven straight downhill.
- Driving on a Sidehill (Sidehilling)
- OPERATION
- OPERATION
- OPERATION
- OPERATION
- Transporting the Vehicle on a Trailer
- 1. Place the direction selector switch in the NEUTRAL position.
- 2. Engage the park brake.
- 3. Remove the key to prevent loss during transporting.
- 4. If the trailer is not enclosed, remove the windshield (if equipped).
- 5. Always tie the frame of the Polaris vehicle to the trailer securely with suitable straps or rope.
- 6. Always follow these precautions when trailering the vehicle:
- 7. Remove all personal equipment and/or golf bags before towing vehicle on a trailer.
- Transporting the Vehicle on a Trailer
- CLEANING
- CLEANING
- STORAGE
- Storing the Vehicle
- 1. Make any necessary repairs and clean the vehicle. See page 53.
- 2. Clean the batteries. See page 72.
- 3. Store the vehicle out of the sun in a cool, dry place.
- 4. Be sure the storage area is well ventilated.
- 5. Move the Master On/Off switch to the OFF position.
- 6. Do not engage the park brake.
- 7. Verify that tire pressure is at specification.
- 8. Block the wheels to prevent rolling.
- 9. Fully charge the batteries. Leave the charger connected to maintain a full charge during the storage period, or check battery...
- Storing the Vehicle
- STORAGE
- Removal from Storage
- 1. Inspect all battery connections.
- 2. Verify that batteries are fully charged.
- 3. Verify that tire pressure is at specification.
- 4. Perform the pre-ride inspection. See page 39.
- 5. Inspect and verify the tightness of the bolts, nuts and other fasteners.
- 6. Lubricate at the intervals outlined in the Periodic Maintenance Chart beginning on page 57.
- Removal from Storage
- MAINTENANCE
- MAINTENANCE
- MAINTENANCE
- MAINTENANCE
- MAINTENANCE
- MAINTENANCE
- MAINTENANCE
- MAINTENANCE
- MAINTENANCE
- MAINTENANCE
- MAINTENANCE
- Tires
- Wheel Removal
- 1. Position the vehicle on a flat level surface.
- 2. Place the gear selector switch in neutral.
- 3. Apply the parking brake.
- 4. Loosen the wheel nuts slightly.
- 5. Elevate one side of the vehicle by placing a suitable stand under the frame. Do not ever elevate both rear wheels at the same time! Parking brake only locks rear wheels, and vehicle can roll.
- 6. Remove the wheel nuts. Remove the wheel.
- Wheel Removal
- Tires
- MAINTENANCE
- Tires
- Wheel Installation
- Rear
- 2. Place the wheel in the correct position on the wheel hub. Be sure the valve stem is toward the outside and rotation arrows on the tire point toward forward rotation.
- 3. Attach the wheel nuts and finger tighten.
- 4. Carefully lower the vehicle to the ground.
- 5. Torque the wheel nuts to specification. See page 66.
- Tires
- MAINTENANCE
- MAINTENANCE
- MAINTENANCE
- MAINTENANCE
- Batteries
- Battery Cleaning
- Battery Charging
- Charging Receptacle
- 2. Open any door enclosures or zippers.
- 3. Inspect charger cords and receptacles for cracks, loose connections and frayed wiring. Replace any damaged components promptly.
- 4. Always connect the charger to the vehicle first, then plug the charger into a wall receptacle. Make sure each charger uses a dedicated circuit to prevent overloading.
- 5. When disconnecting the charger, always disconnect the charger from the wall receptacle first, then disconnect the charger from the vehicle.
- Batteries
- MAINTENANCE
- SPECIFICATIONS
- POLARIS PRODUCTS
- Gearcase / Transmission Lubricants
- 2873602
- Premium AGL Synthetic Gearcase Lubricant (qt.)
- 2870465
- Pump for Gallon Jug
- Grease / Specialized Lubricants
- 2871312
- Grease Gun Kit, Premium All Season (3 oz.)
- 2871322
- Premium All Season Grease (3 oz. cartridge)
- 2871423
- Premium All Season Grease (14 oz. cartridge)
- 2871515
- Premium U-Joint Lube (3 oz.)
- 2871551
- Premium U-Joint Lube (14 oz.)
- 2871329
- Dielectric Grease (NyogelTM)
- Additives / Miscellaneous
- 2871956
- LoctiteTM 565 Thread Sealant
- TROUBLESHOOTING
- WARRANTY
- WARRANTY
- WARRANTY
- WARRANTY
- WARRANTY
- MAINTENANCE LOG
- 9922699IX.pdf