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CONCERN, PRUDENCE, AND PROPER TRAINING OF THE PERSONNEL INvOLvED IN THE OPERATION, TRANSPORT, MAINTENANCE, AND STORAGE OF THE EqUIPMENT. This manual covers the operating instructions and illustrated parts list for: STWC48v-25Cv with a serial number of F4400001 to F4499999 STWC48v-26KA-LC...
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 TRAIN COMPONENTS ..............1 1.4 SYMBOLS ..............................2 SECTION 2 - SAFETY INFORMATION ..................3 2.1 INTRODUCTION ............................3 2.2 SIGNAL WORDS ............................3 2.3 BEFORE OPERATION CONSIDERATIONS ....................3 2.4 OPERATION CONSIDERATIONS ........................4...
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Table of Contents SECTION 6 - ADJUSTMENTS ....................22 6.1 PARKING BRAKE ADJUSTMENT ......................22 6.2 TRAvEL ADJUSTMENTS ..........................22 6.3 THROTTLE CONTROL AND CHOKE ADJUSTMENTS ................24 6.4 BELT ADJUSTMENT ..........................24 6.5 BELT ALIGNMENT .............................24 6.6 CUTTER DECK ADJUSTMENTS ......................24 6.7 CUSTOM-CUT BAFFLE ADJUSTMENT ....................26 6.8 ELECTRIC CLUTCH ADJUSTMENT ......................27 SECTION 7 - MAINTENANCE...
Scag service parts. All information is based upon product information available - IMPORTANT - at the time of approval for printing. Scag Power Equipment The replacement of any part on this product reserves the right to make changes at any time without by other than the manufacturer's authorized notice and without incurring any obligation.
Section 1 SYMBOLS SYMBOL DESCRIPTION SYMBOL DESCRIPTION Choke Transmission Parking Brake Spinning Blade 48071S On/Start Spring Tension on Idler Off/Stop 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...
Section 2 SAFETY INFORMATION 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...
Section 2 DO NOT allow children to ride or play on the Be sure the interlock switches are functioning machine, it is not a toy. correctly. Clear the area to be mowed of objects that could be Fuel is flammable; handle it with care. Fill the fuel picked up and thrown by the cutter blades.
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Section 2 Reduce speed and exercise extreme caution on Take all possible precautions when leaving the slopes and in sharp turns to prevent tipping or loss machine unattended, such as disengaging the of control. Be especially cautious when changing mower, lowering the attachments, setting the parking directions on slopes.
Section 2 Use care when approaching blind corners, shrubs, Lower the roll bar only when absolutely necessary. trees, or other objects that may obscure vision. To lower the roll bar, remove the hairpin cotter pins NEVER leave the machine running unattended. and remove the two (2) lock pins.
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Section 2 WARNING Failure to properly inspect and maintain the seat belt can cause serious injury or loss of life. Check the full length of the seat belt webbing for cuts, wear, fraying, dirt and stiffness. See Figure 2-3. Figure 2-4. Slope Angle Graph Check the seat belt webbing in areas exposed to ultra violet rays from the sun or extreme dust or...
Section 2 MAINTENANCE CONSIDERATIONS & WARNING STORAGE Never make adjustments to the machine with the Hydraulic fl uid is under high pressure and can engine running unless specifically instructed to do penetrate skin causing injury. If hydraulic fl uid so. If the engine is running, keep hands, feet, and is injected into the skin, it must be surgically clothing away from moving parts.
Section 2 SAFETY AND INSTRUCTIONAL DECALS WARNING INSTALL BELT COVER BEFORE OPERATING MACHINE READ OPERATOR'S MANUAL 483402 FORWARD 483407 REVERSE 481568 WARNING WARNING Operation of this equipment may create sparks that can start fires around dry vegetation. A spark arrestor may be required. 483633 The operator should contact local fire agencies for laws...
General Type ....................Heavy Duty Industrial/Commercial Gasoline Brand ..............................Kawasaki, Kohler Horsepower: Scag Model STWC48V-25CV ..................25hp (Engine Model # CV730) Scag Model STWC52V-26FX ..................26 hp (Engine Model # FX730V) Scag Model STWC48V-26KA-LC, STWC52V-26KA-LC, STWC61V-26KA-LC ..26 hp (Engine Model # FD731D) Scag Model STWC61V-27CV ..................27 hp (Engine Model # CV740) Type ......................4 Cycle Gasoline, Twin Cylinder, Vertical Shaft...
Section 3 Fuel Tanks .......Dual (4 Gal. RH, 3 Gal. LH) Seamless Polyethylene Tanks with Large Opening and Fuel Cap Seat ............................Padded Suspension Seat Travel Speed: Forward ............................... 0 up to 10 MPH Reverse ..............................0 up to 5 MPH -NOTE- The machine will travel at 10 mph for transport purposes.
Section 4 OPERATING INSTRUCTIONS Mower Deck Switch (Figure 4-1). Used to engage CAUTION and disengage the mower drive system. Pulling up 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 Engine Choke Control (Figure 4-1).
Section 4 Fuse Holders (Figure 4-1). Deck Release Lever (Figure 4-1). Two 20-amp fuses Used to lock the protect the mower’s electrical system. To replace cutter deck in the transport position. Push the foot fuses, pull fuse out of the socket and install a new pedal forward and pull back on the release lever to fuse.
Section 4 STARTING THE ENGINE Learn to feather the steering controls to obtain a smooth operating action. Practice operating the mower until you are CAUTION comfortable with the controls before proceeding to mow. DO NOT USE STARTING FLUIDS. Use of starting FORWARD TRAvEL fluids in the air intake system may be potentially explosive or cause a “runaway”...
Section 4 REvERSE TRAvEL ENGAGING THE DECK DRIvE (CUTTER BLADES) CAUTION Set the throttle at about 3/4 speed. Do not attempt to engage the deck drive at high speed as this shortens the electric clutch life — use only moderate engine speed when engaging the deck drive.
Section 4 HILLSIDE OPERATION Engage the parking brake. Turn the ignition key to the OFF position and remove the key. WARNING AFTER OPERATION DO NOT operate on steep slopes. To check a slope, Wash the entire mower after each use. Do not attempt to back up it (with the cutter deck down).
Section 4 If the discharge chute becomes clogged, shut off Cut grass when it is dry and not too tall. Do not cut the engine and remove the ignition key. Using a stick grass too short (cut off 1/3 or less of existing grass or similar item, dislodge the clogged material.
Section 4 If adjustment of the steering levers is needed, use HEIGHT ADJUSTMENT the following instructions to adjust. PEDAL A. Loosen the tension knob on the lever assembly. B. Rotate the steering lever forward or backward to achieve the optimum operating position. LANYARD C.
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...
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Section 5 TROUBLESHOOTING CUTTING CONDITIONS (CONT'D) CONDITION CAUSE CURE U N E v E N C U T O N F L AT Lift worn from blade Replace blade GROUND - WAvY HIGH-LOW APPEARANCE, SCALLOPED Blade upside down Mount with cutting edge toward ground CUT, OR ROUGH CONTOUR Deck plugged, grass accumulation Clean underside of deck...
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Section 5 TROUBLESHOOTING CUTTING CONDITIONS (CONT'D) CONDITION CAUSE CURE SCALPING - BLADES HITTING Low tire pressures Check and adjust pressures DIRT OR CUTTING vERY CLOSE TO THE GROUND Ground speed too fast Slow speed to adjust for conditions May need to reduce ground speed, raise Cutting too low cutting height, change direction of cut, and/or change pitch and level...
Section 6 ADJUSTMENTS PARKING BRAKE ADJUSTMENT STC2002BA WARNING Do not operate the mower if the parking brake LOOSEN HERE is not operable. Possible severe injury could BRAKE HANDLE result. The parking brake linkage should be adjusted whenever the parking brake lever is placed in the “ENGAGE” position and the parking brake will allow the mower to move.
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Section 6 NEUTRAL ADJUSTMENT TRACKING ADJUSTMENT Be sure the dump valve levers are in the run position and the steering control levers are in the neutral lock CAUTION position. With an operator in the seat, start the engine and Stop the engine and remove the key from the disengage the parking brake.
Section 6 CUTTER DECK ADJUSTMENTS A. Stop the machine and place the steering control levers in the neutral position. Loosen the lock nuts securing the ball joints at each end of the RH steering Cutter deck level, pitch and height are set at the factory. control rod.
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Section 6 CUTTER DECK PITCH CUTTER DECK HEIGHT The pitch of the cutter deck should be equal between The cutter deck height adjustment is made to ensure that the front and rear of the cutter deck for proper cutting the cutter deck is cutting at the height indicated on the performance.
Section 6 Check the cutter deck cutting height by placing the B. 4" (factory setting), 4-1/4" or 4-1/2" Position - (See lanyard pin in the 3" position on the cutting height Figure 6-9). For general purpose cutting. This gives the index.
Section 6 ELECTRIC CLUTCH ADJUSTMENT ADJUSTMENT NUTS The electric clutch serves two functions in the operation of the mower. In addition to starting and stopping the power flow to the cutter blades, the clutch also acts as a brake to assist in stopping blade rotation when the PTO is switched off or the operator presence circuit is interrupted.
Section 7 MAINTENANCE MAINTENANCE CHART - RECOMMENDED SERvICE INTERvALS HOURS PROCEDURE COMMENTS BREAK-IN 100 200 500 (FIRST 10) Check all hardware for tightness Check hydraulic oil level See paragraph 7.3 C h e c k a l l b e l t s f o r p r o p e r See paragraph 7.8 alignment Change engine oil and filter...
Section 7 HYDRAULIC SYSTEM - IMPORTANT - The hydraulic oil should be changed if you notice the presence of water or a rancid odor to the A. CHECKING HYDRAULIC OIL LEvEL hydraulic oil. The hydraulic oil level should be checked after the first 10 Park the mower on a level surface and stop the hours of operation.
Section 7 C. CHANGING ENGINE OIL FILTER C. CHANGING HYDRAULIC OIL FILTER ELEMENT After the first 20 hours of operation, replace the engine oil filter. Thereafter, replace the oil filter after every 200 The hydraulic oil filter should be changed after every 500 hours of operation or every month, whichever occurs first.
Section 7 ENGINE AIR CLEANER To avoid personal injury or proper ty damage, use extreme care in handling gasoline. Gasoline is extremely flammable and the vapors are explosive. A. CLEANING AND/OR REPLACING AIR CLEANER ELEMENT Extinguish all cigarettes, cigars, pipes and other sources of ignition.
Section 7 WARNING WARNING BATTERIES PRODUCE EXPLOSIvE GASES. Electric storage battery fluid contains sulfuric Charge the battery in a well ventilated space so acid which is POISON and can cause SEvERE gases produced while charging can dissipate. CHEMICAL BURNS. Avoid contact of fluid with eyes, skin, or clothing.
Section 7 CUTTER BLADES Angle Blade Back Do Not Cut In A. BLADE INSPECTION Remove the ignition key before servicing the blades. Raise the mower deck to the highest position. Place X Must NOT Exceed the lanyard pin in the highest cutting height position 1/3 Blade Width to prevent the cutter deck from falling.
Section 7 7.11 COOLING SYSTEM HEX NUT-TORQUE TO 75 LB-FT (LIqUID-COOLED MACHINES ONLY) WARNING SPINDLE SHAFT CUTTER DECK To avoid burns, always allow the engine to cool before removing the radiator cap. HEX HEAD A. CHECKING COOLANT LEvEL BOLT / NUT The coolant level should be checked before each day of SPINDLE operation.
Section 7 - NOTe - 7.12 BODY, DECK, AND UPHOLSTERY The cooling system should be flushed and the coolant replaced every 500 hours of operation or CAUTION annually. See your Scag dealer for proper coolant replacement. Do not wash any portion of the equipment while it B.
Section 8 ILLUSTRATED PARTS LIST SCAG APPROvED ATTACHMENTS AND ACCESSORIES Attachments and accessories manufactured by companies other than Scag Power Equipment are not approved for use on this machine. Scag approved attachments and accessories: • GC-STC-V (48" & 52"), GC-STWC-61V (p/n 9057, p/n 9058) •...
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Section 8 STEERING COMPONENTS Ref. Part No. Description 482340 Grip, Control Lever 461914 Handle Bar, LH (Incl. item 1) 461923 Handle Bar, RH (Incl. item 1) 04001-09 Bolt, Hex Hd. 5/16-18 x 1” 04030-03 Lockwasher, 5/16” 483269 Knob 04040-15 Flatwasher, 5/16 (.375 x .875 x .083") 04060-01 Roll Pin, Spring 5/32 x 3/4”...
Section 8 STWC FUEL SYSTEM - EPA PHASE 2 (models produced prior to 1/1/2011) ENGINE STC 2011 FS EPA PHASE 2...
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Section 8 STWC FUEL SYSTEM - EPA PHASE 2 (models produced prior to 1/1/2011) Ref. Part No. Description 483792 Fuel Cap 482774 Gasket, Fuel Cap 462163 Fuel Tank RH (incl. #7 & #8) 04030-03 Lockwasher, 5/16" Spring 04001-08 Bolt, Hex Head 5/16-18 x 3/4" 04040-15 Flatwasher, 5/16-.375 x .875 x .083 482571...
Section 8 STWC FUEL SYSTEM - EPA PHASE 3 (models produced after 1/1/2011) To Fuel Pump To Engine Purge Port Tank Purge STC 2011 FS CARB TEIR 3...
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Section 8 STWC FUEL SYSTEM - EPA PHASE 3 (models produced after 1/1/2011) Ref. Part No. Description 484286 Fuel Cap w/ Tethered 484279-01 Tube, Fuel Tank Insert 462298 Fuel Tank RH (incl. #7 & #8) 04030-03 Lockwasher, 5/16" Spring 04001-08 Bolt, Hex Head 5/16-18 x 3/4"...
Cutter decks are warranted against cracking for a period of three (3) years. (parts and labor 1st and 2nd year; parts only 3rd year.) The repair or replacement of the cutter deck will be at the option of Scag Power Equipment. We reserve the right to request components for evaluation.
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