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OPERATOR’S MANUAL
MODEL STHM
THIS MANUAL CONTAINS THE OPERATING
INSTRUCTIONS AND SAFETY INFORMA-
TION FOR YOUR SCAG MOWER. READING
THIS MANUAL CAN PROVIDE YOU WITH
ASSISTANCE IN MAINTENANCE AND AD-
JUSTMENT PROCEDURES TO KEEP YOUR
MOWER PERFORMING TO MAXIMUM EFFI-
CIENCY. THE SPECIFIC MODELS THAT THIS
BOOK COVERS ARE CONTAINED ON THE
INSIDE COVER. BEFORE OPERATING YOUR
MACHINE, PLEASE READ ALL THE INFOR-
MATION ENCLOSED.
© 2005 PART NO. 03168
SCAG POWER EQUIPMENT PRINTED 10/05
DIVISION OF ME
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WARNING: FAILURE TO FOLLOW SAFE OPERATING PRACTICES MAY RESULT IN SERIOUS INJURY. * Keep all shields in place, especially the grass discharge chute. * Before performing any maintenance or service, stop the machine and remove the spark plug wire and ignition key. * If a mechanism becomes clogged, stop the engine before cleaning. * Keep hands, feet and clothing away from power-driven parts. * Read this manual completely as well as other manuals that came with your mower. * Keep others
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TABLE OF CONTENTS MODEL STHM SUBJECT PAGE Introduction .................................................................................................. 1 General Safety Instructions.......................................................................... 1 Signal Words ............................................................................................... 1 Symbols....................................................................................................... 2-3 Before Operati
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TABLE OF CONTENTS (CONTINUED) SUBJECT PAGE Illustrated Parts List SM 61V, 72A Cutter Deck...................................................................... ... 22-23 Engine Deck ..................................................................................... 24-25 Upper Hydraulics .............................................................................. 26-27 Lower Hydraulics........................................................................................ 28-29 Control Linka
ページ5に含まれる内容の要旨
INTRODUCTION SIGNAL WORDS Your mower was built to the highest standards in the industry. However, the prolonged life and maximum efficiency of your mower depends on you following the operating, maintenance and adjustment instruc- tions in this manual. This symbol means “Attention! Become Alert! Your Safety is Involved!". The symbol is used We encourage you to contact your dealer for repairs. with the following signal words to attract your All Scag dealers are informed of the latest methods att
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ISO Symbols CE Mark SYMBOL DESCRIPTION SYMBOL DESCRIPTION Choke Transmission Parking Brake Spinning Blade 48071S On/Start Spring Tension on Idler Off/Stop Oil Thown Object Hazard Falling Hazard WARNING FALLING HAZARD USE ONLY SCAG APPROVED RIDING ATTACHMENTS 481109 SEE OPERATOR'S MANUAL 2
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SYMBOL DESCRIPTION SYMBOL DESCRIPTION Slow Fast Cutting Element - Basic Symbol Continuously Variable - Linear Pinch Point Cutting Element - Engage 481039S Hourmeter/Elapsed Operating Hours Cutting Element - Disengage Read Operator's Manual Thown Object Hazard Keep Bystanders Away 3
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G. Remove the machine from the truck or trailer and BEFORE OPERATING fuel on the ground. If this is not possible, then 1. NEVER allow children to operate this riding mower. refuel the machine with a portable container, Do not allow adults to operate this machine without rather than from a gasoline dispenser nozzle. proper instructions. H. Keep the nozzle in contact with the rim of fuel 2. DO NOT mow when children and/or others are tank or container opening at all times until fueling present. K
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10. Keep hands and feet away from cutting units. WHILE OPERATING 11. Shut the engine off and wait until the blades come 1. Start the engine when the cutter blades are disen- to a complete stop before removing the grass gaged, the parking brake is on and the right foot catcher container. pedal is in the neutral position. Only start the engine from the operators position. 12. Never raise the cutter deck while the blades are rotating. 2. Do not run the engine in a confined area without adequate ve
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18. Before leaving the operator’s position or leaving 7. Be sure the machine is in safe operating condition by keeping nuts, bolts, and screws tight. Check the the mower unattended, move the right foot pedal blade mounting bolts and nuts frequently to be sure into the neutral position, apply the parking brake, they are tightened. and move the blade engagement switch to OFF. Shut the engine OFF and remove the key. 8. If the engine must be running to perform a mainte- 19. Do not pass or stand on
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WARNING: Hydraulic fluid is under high pressure. Keep body and hands away from pinholes or nozzles that eject hydraulic fluid under high pressure. If you need service on your hydraulic system, please see your authorized Scag dealer. If hydraulic fluid is injected into the skin, it must be surgically removed within a few hours by a doctor or gangrene may result. INITIAL RUN-IN PROCEDURES (FIRST DAY OF USE OR APPROXI- MATELY 10 HOURS) 1. Check the belts for proper tension at 2, 4 and 8 hours.
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-NOTE- MOWER OPERATION When the PTO is engaged or (possibly) disen- 1. Read and understand the safety instructions gaged, a squealing sound from the underside of before attempting to operate this machine. the machine is normal. It is caused by the electric clutch plates meshing as the cutter 2. Before starting the engine: blades come up to speed. For best equipment life, engage the clutch with the engine at 3/4 * Check the oil level in the engine and the throttle, not under full load. hydrauli
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ADJUSTMENTS PARKING BRAKE Minor brake adjustments can be made by loosening the top nut on both brake cables (see Figure 4). Back the nuts off approximately 1/4". While pulling one cable downward, tighten the bottom nut on the cable until it touches the bottom of the brake cable mount. Tighten both the top and bottom nuts to lock the cable in place. Repeat the above steps for SGB003 the second brake cable. Make sure that both Depress Heel End of Pedal cables are adjusted evenly so that the br
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If the drive wheels consistently rotate when foot 5. Check the adjustment of the right foot control pedal pedal control is in neutral, go to step 4. for full forward speed. The pedal should rest on the foot plate when the pump is stroked in the full If the drive wheels inconsistently rotate, i.e. drive forward position. To make an adjustment, discon- wheels sometimes rotate and sometimes do not nect the ball joint from the pedal arm and loosen the when foot pedal is not depressed, then check j
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2. To adjust cutter deck drive belt: Adjust the nut so Adjust the tension by tightening or loosening that the belt moves 1/2" with 10 pounds of pres- the nut on the J-bolt. (See Figure 9). sure. (See Figure 7). Nut Deck End Of L-Shaped "J" Bolt Belt Bracket "J" Bolt Nut Washer Washer Belt SGB031 SGB044 Figure 9. Blade Belt Tension Adjustment 4. Replace the belt covers. Figure 7. Cutter Deck Drive Belt Tension 3. To adjust blade drive belt: Using a belt tension BELT ALIGNMENT gauge, check the
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There are three positions for mounting the cutter deck Adjusting the blade height can be done by moving any (See Figure 11). For cutting in the lowest position, number of the five smaller spacers on the blade mount- mount the cutter deck in the top hole (A). For cutting ing bolts to the top or to the bottom of the spindle shaft. in the highest position, mount the deck in the lowest hole All blades should be positioned equally (See Figure 10). (C). Setting the cutter deck height will be det
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X A. 3" Position - baffle is installed using the top set of CUTTER BLADES holes on the front baffle welded inside the cutter deck. (See Figure 15). The Advantage cutter deck CAUTION: will deliver the best quality-of-cut in very tall, wiry, tough to cut grass. Blades have a sharp cutting edge. Wear protective gloves or wrap blades with protective material when removing, sharpening and installing blades. B. 3-1/2" Position (factory setting, Advantage Deck) - baffle is installed using the middl
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3. Move the Custom-Cut Baffle to desired position. (See Figures 15 through 17 for position). 4. Reinstall the mounting hardware as shown. (See Figures 15 though 17). Torque hardware to 39ft.lbs. TOP SET OF HOLES CARRIAGE BOLT FOR 3" SETTING 2004 CCB - 3" Setting FLATWASHER ELASTIC STOP NUT Figure 15. 3" Custom-Cut Baffle Position MIDDLE SET OF HOLES CARRIAGE BOLT FOR 3-1/2" SETTING 2004 CCB - 3-1/2" Setting FLATWASHER ELASTIC STOP NUT Figure 16. 3-1/2" Custom-Cut Baffle Position BOTTOM SET OF HO
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LUBRICATION & MAINTENANCE * Lubrication may be required every 8 to 40 hours, depending on climate and environment. Break-In + Compatible Greases: Mobilux #2 found at Mobil Service Stations (1st 10 Hours) Ronex MP found at Exxon Service Stations 8 Hours (Daily) Super Lube MEP #2 & Super Stay-M #2 found at Conoco Service Stations Shell Alvania #2 found at Shell Service Stations 25 Hours Lidok EP #2 found at industrial shops 40 Hours (Weekly) 100 Hours (Biweekly) 200 Hours (Monthly) 500 Hours or An
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TROUBLESHOOTING CUTTING CONDITIONS CAUSE CURE CONDITION Stringers - Occasional Low engine RPM Run engine at full 3600 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 tensions SGB020 Streaking - Strips of Dull, worn blades Sharpen blades Uncut Grass in Cutting Path Incorrect
