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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. • DO NOT operate on steep slopes. To check a slope, attempt to back up it (with the cutter deck down).
Attachments and accessories manufactured by companies industry. However, the prolonged life and maximum other than Scag Power Equipment are not approved for use efficiency of your mower depends on you following the on this machine. See Section 8, Paragraph 8-1.
Section 1 1.4 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 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...
Section 2 4. Clear the area to be mowed of objects that could be 11. Fuel is flammable; handle it with care. Fill the fuel picked up and thrown by the cutter blades. tank outdoors. Never fill it indoors. Use a funnel or spout to prevent spillage.
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Section 2 2. Reduce speed and exercise extreme caution on 14. NEVER raise the deck with the blades engaged. slopes and in sharp turns to prevent tipping or loss 15. Take all possible precautions when leaving the of control. Be especially cautious when changing machine unattended, such as disengaging the directions on slopes.
Section 2 23. Use care when approaching blind corners, shrubs, Lower the roll bar only when absolutely necessary. trees, or other objects that may obscure vision. 1. To lower the roll bar, remove the hairpin cotter pins 24. 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. 1. Check the full length of the seat belt webbing for cuts, wear, fraying, dirt and stiffness. See Figure 2-3. Figure 2-4.
Section 2 2.6 MAINTENANCE CONSIDERATIONS & WARNING STORAGE 1. Never make adjustments to the machine with the Hydraulic fluid is under high pressure and can engine running unless specifically instructed to do penetrate skin causing injury. If hydraulic fluid 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 2.9 SAFETY AND INSTRUCTIONAL DECALS WARNING INSTALL BELT COVER BEFORE OPERATING MACHINE READ OPERATOR'S MANUAL 483402 FORWARD 483407 REVERSE 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...
(ON) position. will be prevented from starting. If additional information or 11. Water Temperature Indicator (Figure 4-1). Used service is needed, contact your Scag Power Equipment on Liquid Cooled Models Only. Indicates the Dealer. operating temperature of the engine. If the engine temperature exceeds the maximum preset value, the 4.1 TIGER EYE INSTRUMENT...
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Section 4 SERVICE AIR OIL PRESSURE FILTER INDICATOR INDICATOR WATER TEMPERATURE GLOW PLUG SERVICE ENGINE INDICATOR INDICATOR INDICATOR PARKING BRAKE VOLTMETER INDICATOR INDICATOR SEAT INDICATOR NEUTRAL INDICATOR INDICATOR HOUR METER INDICATOR Figure 4-1. Tiger Eye Advanced Monitoring System SUSPENSION SEAT CONTROL KNOB DECK LIFT CUTTING HEIGHT...
Section 4 4.2 CONTROLS IDENTIFICATION 1. Ignition Switch (Figure 4-2). The ignition switch is used to start the engine and has three positions; OFF, ON, and START. 2. Mower Deck Switch (Figure 4-2). Used to engage PUSH BRAKE PEDAL and disengage the mower drive system. Pulling up FORWARD THEN RELEASE on the switch will engage the deck drive.
Section 4 12. Cutting Height Adjustment (Figure 4-2). Used to 2. Change the engine oil and oil filter after the first 20 set the cutter deck at the desired cutting height. hours of operation. (See Section 7.4.) 13. Deck Release Lever (Figure 4-2). Used to lock the 3.
Section 4 4.6 GROUND TRAVEL AND STEERING - IMPORTANT - Do not travel forward over a curb. The mower will hang up on the curb. Raise the deck and travel - IMPORTANT - backwards over the curb at a 45 degree angle. If you are not familiar with the operation of a (See Figure 4-1 items 12-14 for cutter deck raising machine with lever steering and/or hydrostatic...
Section 4 4.7 ENGAGING THE DECK DRIVE (CUTTER 4.8 HILLSIDE OPERATION BLADES) WARNING 1. 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 4.12 MOVING MOWER WITH ENGINE 4.10 AFTER OPERATION 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, rotate the dump valve counter-clockwise.
Section 4 3. Cut grass when it is dry and not too tall. Do not cut grass too short (cut off 1/3 or less of existing grass for best appearance). Mow frequently. 4. Keep mower and discharge chute clean. 5. When mowing wet or tall grass, mow the grass twice. Raise the mower to the highest setting for the first pass and then make a second pass to the desired height.
Section 4 4.15 TOWING (OPTIONAL HITCH ACCESSORY) 1. NEVER allow children or others in or on towed equipment. 2. Tow only with a machine that has a hitch designed for towing. Do not attach towed equipment except at the hitch point. 3.
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 6.1 PARKING BRAKE ADJUSTMENT WARNING PULL BACK ON PARKING BRAKE Do not operate the mower if the parking brake LATCH is not operable. Possible severe injury could PUSH BRAKE PEDAL FORWARD result. The parking brake linkage should be adjusted whenever the parking brake lock latch is placed in the “ENGAGE”...
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Section 6 NEUTRAL ADJUSTMENT TRACKING ADJUSTMENT 1. Be sure the dump valve levers are in the run position and the steering control levers are in the neutral lock CAUTION position. 2. 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 6.5 BELT ALIGNMENT - NOTE - If after making the adjustment as outlined in step 2A, the machine creeps forward or backward, Belt alignment is important for proper performance of perform the neutral adjustment. See Neutral your Scag mower. If you experience frequent belt wear Adjustment on page 25.
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Section 6 2. Turn the adjustment bolts on the front and rear deck level links clockwise until the cutter deck is level between both sides. See Figure 6-5. 3. Tighten the two (2) elastic stop nuts to secure the cutter deck in the proper position. CUTTER DECK PITCH ADJUST HERE The pitch of the cutter deck should be equal between...
Section 6 6.7 CUSTOM-CUT BAFFLE ADJUSTMENT The Custom-Cut Baffle is designed to deliver optimum airflow and superior cutting performance in any type of CONTROL ROD grass. The Custom-Cut Baffle can be raised or lowered to precisely tailor the deck's performance for the type of grass being cut.
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Section 6 ADJUSTMENT NUTS ADJUSTMENT NUTS Figure 6-12. Clutch Air Gap Adjustment This adjustment should be done every 500 hours of operation or annually, whichever comes first. In cases where the machine is heavily used, airgap settings should be checked more often. If the air gap is too narrow, the clutch armature may drag when disengaged, resulting in premature failure.
Section 7 MAINTENANCE 7.1 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 Check hydraulic fittings and hoses...
Section 7 7.3 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 1.
Section 7 C. CHANGING HYDRAULIC OIL FILTER C. CHANGING ENGINE 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 7.6 ENGINE AIR CLEANER To avoid personal injury or property damage, use extreme care in handling gasoline. Gasoline is extremely flammable and the vapors are explosive. A. CLEANING AND/OR REPLACING AIR CLEANER ELEMENT 1. Extinguish all cigarettes, cigars, pipes and other sources of ignition.
Section 7 WARNING WARNING BATTERIES PRODUCE EXPLOSIVE GASES. Battery posts, terminals, and related accessories Charge the battery in a well ventilated space so contain lead and lead compounds, chemicals gases produced while charging can dissipate. known to cause cancer and reproductive harm. Wash hands after handling.
Section 7 7.9 CUTTER BLADES 1. Sharpen the cutting edge at the same bevel as the original. See Figure 7-6. Sharpen only the top of the cutting edge to maintain sharpness. A. BLADE INSPECTION Angle Blade Back 1. Remove the ignition key before servicing the blades. Do Not Cut In 2.
Section 7 7.10 TIRES CAUTION Check the tire pressures after every 8 hours of operation or daily. Inspect the cutter blade spacer(s) and washer for wear and/or cupping. Replace the worn parts. Caster Wheels 25 PSI Worn spacer(s) and/or washer will not allow Drive Wheels 12 PSI proper tightening of the cutter blade and can lead...
Section 8 ILLUSTRATED PARTS LIST 8.1 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-3B - 900S (Requires a 901E, 48V/52V Install Kit) or (901F, 61V STCII Install Kit) •...
Section 8 STCII ELECTRICAL SCHEMATIC Position PTO Switch Legend Position Key Switch Legend G + M + A H + F C + D B + L + A B + C G + H E + A START B + L + S RELAY KEY SWITCH SWITCH...
Section 8 STCII-EFI ELECTRICAL SCHEMATIC Position PTO Switch Legend Position Key Switch Legend G + M + A H + F C + D B + L + A B + C G + H E + A START B + L + S KEY SWITCH SWITCH 5 AMP...
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 compo- nents for evaluation.