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OPERATOR’S
MANUAL
SFW
Walk-Behind
Model: SFW36-16BV
SFW48-16BV
Congratulations on owning a Scag mower! This manual contains the operating
instructions and safety information for your Scag mower. Reading this manual
can provide you with assistance in maintenance and adjustment procedures to
keep your mower performing to maximum efficiency. The specific models that
this book covers are listed on the inside cover. Before operating your machine,
please read all the information enclosed.
© 200
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WARNING FAILURE TO FOLLOW SAFE OPERATING PRACTICES MAY RESULT IN SERIOUS INJURY OR DEATH. • Read this manual completely as well as other manuals that came with your mower. • ALWAYS FOLLOW OSHA APPROVED OPERATION. • DO NOT operate on steep slopes. • Always travel across slopes. • DO NOT mow on wet grass. Wet grass reduces traction and steering control. • Keep all shields in place, especially the grass discharge chute. • Before performing any maintenance or service, stop the machine and
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R Table of Contents Table of Contents SECTION 1 - GENERAL INFORMATION ...................................................................................1 1.1 INTRODUCTION ...........................................................................................................................................1 1.2 DIRECTION REFERENCE ...........................................................................................................................1 1.3 SERvICING THE ENGINE AND DRIvE TRA
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R Table of Contents SECTION 6 - ADJUSTMENTS .................................................................................................19 6.1 DRIvE CONTROL ADJUSTMENTS ..........................................................................................................19 6.2 THROTTLE CONTROL AND CHOkE ADJUSTMENTS ............................................................................19 6.3 BELT ADJUSTMENT ...........................................................................
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R Section 1 GENERAL INFORMATION USE ONLY SCAG APPROvED ATTACHMENTS AND 1.1 INTRODUCTION ACCESSORIES. Your mower was built to the highest standards in the Attachments and accessories manufactured by companies industry. However, the prolonged life and maximum other than Scag Power Equipment are not approved for efficiency of your mower depends on you following the use on this machine. See Section 8-1. operating, maintenance and adjustment instructions in this manual. If additional informati
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R Section 1 1.4 SYMBOLS SYMBOL DESCRIPTION SYMBOL DESCRIPTION Choke Transmission Parking Brake Spinning Blade 48071S On/Start Spring Tension on Idler Off/Stop Oil Falling Hazard Thrown Object Hazard Fast Slow Continuously Variable - Linear Cutting Element - Basic Symbol Pinch Point Cutting Element - Engage 481039S Hour meter/Elapsed Operating Hours Cutting Element - Disengage STT MODELS CE Mark Seat must be installed under the seat hold down bracket during installation
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R Section 2 SAFETY INFORMATION 2.1 INTRODUCTION DANGER Your mower is only as safe as the operator. Carelessness or operator error may result in serious bodily injury The signal word “DANGER” denotes that an extremely or death. Hazard control and accident prevention are hazardous situation exists on or near the machine that dependent upon the awareness, concern, prudence, and could result in high probability of death or irreparable injury proper training of the personnel involved in the o
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R Section 2 7. If the operator(s) or mechanic(s) cannot read English 13. Keep flammable objects (cigarettes, matches, etc.), or Spanish, it is the owner's responsibility to explain open flames and sparks away from the fuel tank and this material to them. Contact your local Authorized fuel container. Use only approved containers. Scag Dealer for a Spanish Decal Kit. 14. Equipment must comply with the latest requirements 8. DO NOT wear loose fitting clothing. Loose clothing, per SAE J137 and/or
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R Section 2 WARNING DANGER DO NOT use your hand to dislodge the clogged DO NOT run the engine inside a building or discharge chute. Use a stick or other device to a confined area without proper ventilation. remove clogged material after the engine has Exhaust fumes are hazardous and contain stopped running and the blades have stopped carbon monoxide which can cause brain injury turning. and death. 7. Be alert for holes, rocks, roots and other hidden 16. Keep hands and feet away from cutter
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R Section 2 4. Keep all nuts, bolts and screws tight, to ensure the machine is in safe working condition. Check blade mounting bolts frequently to be sure they are tight. 5. Do not change the engine governor settings or overspeed the engine. See the engine operator's manual for information on engine settings. 6. To reduce fire hazard, keep the cutting units, drives, muffler and engine free of grass, leaves, excessive grease, oil and dirt. 7. Park the machine on level ground. 8. NEVER allow
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R Section 2 2.7 SAFETY AND INSTRUCTIONAL DECALS WARNING WARNING INSTALL BELT COvER BEFORE DO NOT OPERATE WITHOUT DISCHARGE CHUTE, MULCHING OPERATING MACHINE kIT, OR ENTIRE GRASS CATCHER INSTALLED 483405 READ OPERATOR'S MANUAL 483402 483405 WARNING SPINNING BLADES ROTATING BLADES AND BELTS kEEP CLEAR * keep hands, feet & clothing clear BLADE CONTACT & THROWN * keep all guards in place OBJECTS CAN INJURE * Shut off engine & disengage blade 483505 clutch before servicing * Use caution in dir
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R Section 3 SPECIFICATIONS 3.1 ENGINE General Type ................................................................................................Heavy Duty Industrial/Commercial Gasoline Brand .......................................................................................................................................................Briggs & Statton Horsepower: (Scag Model SFW36-16BV) ........................................................................................ 16 HP (Spec.
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R Section 3 Spindle Pulleys ..................................................................................................................................................Split Steel Cutter Deck Belts ...................................................................B-section with Kevlar Cord. Self-Adjusting, Self-Tightening Electric Clutch Type ................................................................................................Ogura Heavy Duty PTO Clutch Brake 3.5 WEIGHTS AND D
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R Section 4 OPERATING INSTRUCTIONS 2. Mower Deck Switch (Figure 4-1). Used to engage and disengage the mower drive system. Pulling up CAUTION on the switch will engage the deck drive. Pushing down on the switch will disengage the deck drive. Do not attempt to operate this mower unless you 3. Engine Choke Control (Figure 4-1). Used to start have read this manual. Learn the location and a cold engine. purpose of all controls and instruments before you operate this mower. 4. Engine Throt
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R Section 4 5. Left Steering / Brake Control (Figure 4-1). Used 4.3 INITIAL RUN-IN PROCEDURES to control the mower's left wheel when traveling forward or reverse. Pull upward to apply brake. FIRST DAY OF USE OR APPROxIMATELY 20 HOURS 6. Right Steering / Brake Control (Figure 4-1). Used to control the mower's right wheel when traveling 1. Check all belts for proper alignment and wear at 2, 4 forward or reverse. Pull upward to apply brake. and 8 hours. 7. Deck Lift (Figure 4-1). Used to ra
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R Section 4 REvERSE TRAvEL 4.5 GROUND TRAvEL AND STEERING - IMPORTANT - If you are not familiar with the operation of a walk CAUTION behind mower with a transmission, the steering and ground speed operations should be learned Disengage power to the mower before backing and practiced in an open area, away from buildings, up. Do not mow in reverse unless absolutely fences, or obstructions. necessary and then only after observation of the Learn the operation on flat ground before operating
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R Section 4 4.6 ENGAGING THE DECk DRIvE (CUTTER 4.7 HILLSIDE OPERATION BLADES) 1. Set the throttle at about 3/4 speed. Do not attempt to WARNING engage the deck drive at high speed as this shortens the electric clutch life — use only moderate engine speed when engaging the deck drive. DO NOT operate on steep slopes. ALWAYS FOLLOW OSHA APPROvED OPERATION. 2. Engage the deck drive by pulling out on the yellow switch, located on the instrument panel, to the engage position. See Figure 4-2. 1
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R Section 4 4.9 AFTER OPERATION 4.11 MOvING MOWER WITH ENGINE STOPPED 1. Wash the entire mower after each use. Do not use high pressure spray or direct the spray onto To “free-wheel” or move the mower around without the electrical components. engine running, engage the neutral latches, shift the transmission to neutral and move the mower by hand. - IMPORTANT - Do not wash a hot or running engine. Cold water 4.12 RECOMMENDATIONS FOR MOWING will damage the engine. Use compressed air to clea
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R Section 4 4.13 ADJUSTING CUTTING HEIGHT CUTTING HEIGHT 1-1/2 The mower deck can be adjusted from a height of 1-1/2 1-3/4 inches to 4-1/2 inches at 1/4-inch intervals. To adjust the 2 cutting height: 2-1/4 2-1/2 2-3/4 3 3-1/4 WARNING 3-1/2 3-3/4 DO NOT adjust the cutting height with the mower 4 4-1/4 blades rotating. Disengage the power to the cutter 4-1/2 blades and then adjust cutting height. LH - 483894 1. Disengage the power to the cutter blades. Figure 4-4. Cutting Height Decal 2. Pul
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R Section 5 TROUBLESHOOTING CUTTING CONDITIONS CONDITION CAUSE CURE STRINGERS - OCCASIONAL Low engine RPM Run engine at full RPM BLADES OF UNCUT GRASS Ground speed too fast Slow speed to adjust for conditions Wet grass Cut grass after it has dried out Dull blades, incorrect sharpening Sharpen blades Deck plugged, grass accumulation Clean underside of deck Width of Deck Belts slipping Adjust belt tension SGB020 STREAk ING - STRIPS OF Dull, worn blades Sharpen blades UNCUT GRASS IN CUTTING PATH
