Scag Power EquipmentメーカーSTTの使用説明書/サービス説明書
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MODEL STT THIS MANUAL CONT AINS THE OPERA TING INSTRUCTIONS AND SAFETY INFORMA- TION FOR YOUR SCAG MOWER. READING THIS MANUAL CAN PROVIDE YOU WITH ASSIST ANCE IN MAINTENANCE AND AD- JUSTMENT PROCEDURES T O KEEP YOUR MOWER PERFORMING TO MAXIMUM EFFI- CIENCY .
F AILURE TO FOLLOW SAFE OPERA TING PRACTICES MA Y RESUL T IN SERIOUS INJUR Y . * 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 .
1 GENERAL INFORMA TION 1.1 INTRODUCTION Y our mower was built to the highest standards in the industry . However , the prolonged life and maximum e f ficiency of your mower depends on you following the operating, maintenance and adjustment instructions in this manual.
2 SAFETY INFORMA TION 2.1 INTRODUCTION Y our mower is only as safe as the operator . Carelessness or operator error may result in serious bodily injury or death.
3 10. DO NOT add fuel to a running or hot engine. Allow the engine to cool for several minutes before adding fuel. 1 1. Keep flammable objects (cigarettes, matches, etc.
4 Section 2 2.4 OPERA TION CONSIDERA TIONS (CONT'D) 3. T o prevent tipping or loss of control, do not start or stop suddenly , avoid unnecessary turns and travel at reduced speed. 4. When using any attachment, never direct the discharge of material toward bystanders or allow anyone near the machine while in operation.
5 Section 2 2.6 SAFETY AND INSTRUCTIONAL DECALS DANGER SPINNING BLADE KEEP CLEAR CONTACT CAN INJURE 48071 ROTATING BLADES AND BELTS WARNING KEEP HANDS, FEET & CLOTHING CLEAR KEEP ALL GUARDS IN PLA.
6 SPECIFICA TIONS Section 3 3.1 ENGINE General T y p e ............................................................................. Heavy Duty Industrial/Commercial Gasoline Brand ......................................................................
7 3.3 TRACTOR (CONT'D) Travel Speed: Forward ................................................................................ 0-10 MPH Reverse ................................................................................. 0 -5 MPH 3.4 CUTTER DECK Type: .
7 Section 4.
8 Section 4 OPERA TING INSTRUCTIONS Do not attempt to operate this mower unless you have read this manual. Learn the location and purpose of all controls and instruments before you operate this mower . 4.1 CONTROLS AND INSTRUMENT IDENTIFICA TION Before operating the mower , familiarize yourself with all mower and engine controls.
9 Section 4 5 . Ammeter (Figure 4-1). Indicates the condition of the charging system. When the engine is running the needle should be toward the positive end of the meter . If the needle is toward the negative end of the meter , this indicates a dischar ge condition and the machine should be taken in for service.
10 Section 4 2 . Change the engine oil and oil filter after the first 5 hours of operation. (See Section 7.4.) 3. Check hydraulic oil level in reservoir . (See Section 7.3.) 4. Check for loose hardware. T ighten as needed. 5. Check interlock system for proper operation.
11 Section 4 T o steer right while traveling in reverse, allow the right steering control lever to move forward. The further the control is allowed to move forward, the quicker the mower will turn right. T o stop the reverse travel, allow the steering control levers to return to the neutral position.
12 Section 4 4.7 HILLSIDE OPERA TION DO NOT operate on steep slopes. T o check a slope, attempt to back up it (with the cutter deck down). If the machine can back up the slope without the wheels slipping, reduce speed and use extreme caution. AL W A YS FOLLOW OSHA APPROVED OPERA TION.
13 Section 4 4.10 REMOVING CLOGGED MA TERIAL ROT A TING BLADES NEVER PUT YOUR HANDS INTO THE DISCHARGE CHUTE FOR ANY REASON! Shut off the engine and remove the key and only then use a stick or similar object to remove material if clogging has occurred.
14 Section 4 4.13 ADJUSTING CUTTING HEIGHT The mower deck can be adjusted from a height of 1-inch to 6 inches at 1/2-inch intervals. T o adjust the cutting height: Do not adjust the cutting height with the mower blades rotating. Disengage the power to the cutter blades and then adjust cutting height.
Section 5 15 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 Dul.
Section 5 16 Uneven Cut on Flat Lift worn from blade Replace blade Ground - Wavy High-Low Blade upside down Mount with cutting edge toward Appearance, ground Scalloped Cut, or Rough Contour Deck plugg.
Section 5 17 Scalping - Blades Low tire pressures Check and adjust pressures Hitting Dirt or Cutting Very Close to G round speed too fast Slow speed to adjust for conditions the Ground Cutting too low.
Section 6 18 ADJUSTMENTS 6.1 P ARKING BRAKE ADJUSTMENT WARNING: Do not operate the mower if the parking brake is not operable. Possible severe injury could result. The parking brake linkage should be adjusted whenever the parking brake lever is placed in the ENGAGE position and the parking brake will not prevent the mower from moving.
Section 6 19 B. The steering control levers are in the full forward position and the mower pulls to one side or the other when traveling in a forward direction. ( T racking Adjustment, See Page 20). Neutral Adjustment 1. Be sure the dump valve levers are in the run position and the steering control levers are in the neutral lock position.
Section 6 20 T racking Adjustment Stop the engine and remove the key from the ignition before making any adjustments. Wait for all moving parts to come to a complete stop before beginning work. The engine and drive unit can get hot during operation causing burn injuries.
Section 6 21 6.6 CUTTER DECK ADJUSTMENTS Cutter deck level, pitch and height are set at the factory . However , if these adjustments should ever need to be made, the following procedures will aid in obtaining the proper cutter deck adjustment.
Section 6 22 Cutter Deck Height The cutter deck height adjustment is made to ensure that the cutter deck is cutting at the height indicated on the cutting height index gauge. T o check for proper deck height, be sure that the mower is on a flat, level surface and the tires are properly inflated.
Section 7 23 MAINTENANCE 7.1 MAINTENANCE CHART - RECOMMENDED SERVICE INTERV ALS * Perform these maintenance pr ocedur es more frequently under extr eme dusty or dirty conditions HOURS Break-In 8 40 10 0 20 0 50 0 Procedure Comments (First 10) X Check all hardware for tightness X Check hydraulic oil level See paragraph 7.
24 Section 7 + Compatible Greases: Mobilix #2 found at Mobil Service Stations Ronex MP found at Exxon Service Stations Super Lube MEP #2 & Super Stay-M #2 found at Conoco Stations Shell Alvania #2.
Section 7 25 Figure 7.1 Lubrication Fitting Points 390S0145 GREASE FITTING LUBRICATION LUBRICANT / INTERVAL LITHIUM MP WHITE GREASE 2125 ( 40 HOURS / WEEKLY ) CHASSIS GREASE ( 100 HOURS / BI-MONTHLY ).
26 Section 7 7.3 HYDRAULIC SYSTEM A. Checking Hydraulic Oil Level The hydraulic oil level should be checked after the first 10 hours of operation. Thereafter , check the oil after every 200 hours of machine operation or monthly , whichever occurs first.
Section 7 27 7.4 ENGINE OIL A. Checking Engine Crankcase Oil Level The engine oil level should be checked after every 8 hours of operation or daily as instructed in the Engine Operator s Manual furnished with this mower . Figure 7-4 Engine Fill Stick 390S0155 HYDRAULIC OIL FILTER 390S0156 ENGINE OIL DIPSTICK C.
28 Section 7 C. Changing Engine Oil Filter After the first 5 hours of operation, replace the engine oil filter . Thereafter , replace the oil filter after every 200 hours of operation or every month, whichever occurs first. Refer to Engine Operator s Manual for instructions.
Section 7 29 Electric storage battery fluid contains sulfuric acid which is POISON and can cause SEVERE CHEMICAL BURNS. A void contact of fluid with eyes, skin, or clothing. Use proper protective gear when handling batteries. DO NOT tip any battery beyond 45° angle in any direction.
30 Section 7 WARNING: BA TTERIES PRODUCE EXPLOSIVE GASES. Charge the battery in a well ventilated space so gases produced while charging can dissipate. Char ging rates between 3 and 50 amperes are satisfactory if excessive gassing or spewing of electrolyte does not occur or the battery does not feel excessively hot (over 125°F).
Section 7 31 Figure 7-9 Blade Sharpening 2. Check the balance of the blade. If the blades are out of balance, vibration and premature wear can occur . See your authorized Scag dealer for blade balancing or special tools, if you choose to balance your own blades.
32 Section 7 The cutter deck gearbox can reach high operating temperatures. Allow the cutter deck gearbox to cool before servicing. CAUTION: 7.1 1 CUTTER DECK GEARBOX A. Checking Lubricant Level The fluid level in the cutter deck gearbox (Figure 7-12) should be checked after every 100 hours of operation or bi-weekly , whichever occurs first.
Section 7 33 3. Replace the radiator cap. Push down on the cap and turn clockwise until it stops. -NOTE- The cooling system should be flushed and the coolant replaced every 500 hours of op- eration or annually. See your Scag dealer for proper coolant replacement.
33 Section 8.
34 Section 8 44 61 63 69 62 12 65 64 52 58 54 17 59 24 14 56 28 56 33 3 A A B B 4 14 29 20 53 28 52 24 58 24 52 62 66 32 13 68 55 55 29 58 2 3 13 23 68 57 23 3 11 50 13 46 60 49 67 24 35 48 9 16 19 15.
35 Section 8 35 43298 Spindle Shaft x x 36 481024 Seal, Top x x 37 481022 Bearing Assembly x x 38 43294 Spindle Housing x x 39 43312 Spacer, Outside x x 40 43296 Spacer, Inside x x 41 481025 Seal, Bot.
36 Section 8 CUTTER DECK CONTROLS, 52" & 61" DECKS STT99CDC 21 19 47 42 4 6 14 10 42 5 2 3 35 23 41 37 15 22 26 25 24 34 37 27 38 37 32 48 41 49 27 33 40 41 41 37 28 28 52 12 51 50 52 51.
37 Section 8 Ref. Part No. No. Description CUTTER DECK CONTR OLS, 52" & 61" DECKS 1 481549 Spring, Deck Lift 2 481763 Link, Deck Lift 3 481765 Rod End, Female - 1/2-20 RH 4 481766 Rod En.
38 Section 8 STT99SMC SHEET METAL COMPONENTS A 2 20 46 48 47 48 21 3 15 49 50 26 30 25 12 15 15 14 13 12 11 10 16 19 18 15 9 7 8 6 5 4 1 17 23 24 A 31 32 33 34 29 33 36 37 40 39 38 41 42 43 55 22 35 4.
39 Section 8 Ref. Part No. No. Description SHEET MET AL COMPONENTS 1 451079 Fender Weldment, RH 2 04001-63 Bolt, Hex Head 5/16-18 x 3-1/2" 3 04017-16 Screw, Hex Serrated Flange 5/16-18 x 3/4" 4 04041-11 Flatwasher, 3/8" (.406 x 1.50 x .
40 Section 8 STT99DDC DECK DRIVE COMPONENTS A 62 7 8 36 37 13 7 66 64 59 6 65 60 58 61 54 19 27 8 10 55 27 7 8 36 28 8 31 9 49 37 13 33 34 1 2 5 4 21 24 23 22 20 18 3 56 11 32 38 45 47 31 41 34 35 42 .
41 Section 8 1 422594 Belt Guard 2 481531 Hinge, Belt Guard 3 04003-07 Bolt, Carriage 1/4-20 x 1/2" 4 04019-02 Nut, Hex Serrated Flange 1/4-20 5 04003-02 Bolt, Carriage 1/4-20 x 3/4" 6 42238.
42 Section 8 STT99EAP-KH ENGINE AND ATTACHING PARTS - KOHLER 1 3 7 8 8A 2 5 9 10 9 14 10 12 13 10 12 15 20 4 6 FRAME REF. PUMP MTG. WELDMENT 11 17 18 19 16.
43 Section 8 1 422593 Muffler Guard 2 04017-05 Screw, Hex Serrated Flange 1/4-20 x 3/4" 3 * Muffler, Part Of Engine (Available only through Kohler) 4 04011-09 Screw, #10-16 x 1/2" 5 04110-01 U-Nut, 1/4-20 6 481584 Exhaust Elbow 7 43421 Spacer, Engine (Kohler) 8 481758 Engine, Kohler 22CH (Available only through Kohler, Eng.
44 Section 8 STT99EAP-K ENGINE AND ATTACHING PARTS - KAWASAKI 1 3 7 8 2 5 9 21 10 13 14 10 12 13 10 12 15 20 4 6 FRAME REF. PUMP MTG. WELDMENT 11 17 18 19 16 22.
45 Section 8 1 422593 Muffler Guard 2 04017-05 Screw, Hex Serrated Flange 1/4-20 x 3/4" 3 * Muffler, Part Of Engine (Available only through Kawasaki) 4 04011-09 Screw, #10-16 x 1/2" 5 04110-.
46 Section 8 STT99B&SC BRAKE AND STEERING COMPONENTS A A 1 2 8 11 33 13 17 20 12 14 19 23 41 11 21 34 36 57 73 48 47 46 5 23 53 42 43 44 45 15 56 70 69 68 71 62 15 65 63 60 64 67 60 52 41 34 23 51.
47 Section 8 1 481599 Grip, Handle Bar 2 461037 Handle Bar (Includes item 1) 3 04001-32 Bolt, Hex Head 3/8-16 x 1-1/4" 4 04030-04 Lockwasher, 3/8" 5 04041-07 Flatwasher.
48 Section 8 STT99F&HS390S0166 FUEL AND HYDRAULIC SYSTEM F A B C E K J D G G TO ENGINE L J E K D C F 3 4 1 25 42 20 42 20 A 22 62 28 33 26 20 16 17 33 18 6 4 1 3 21 20 22 27 28 19 26 21 22 24 18 2.
49 Section 8 1 48551 Pump, Sunstrand BDP-10L117 2 48811 Hose, 3/8" ID. Pushlock-38.0" (order by the inch) 3 04043-04 Flatwasher, 3/8" (.
50 Section 8 21 32 1 2 3 4 5 6 12 13 17 STT99ESKH 10 10 11 17 18 15 14 19 20 22 23 24 25 32 26 27 28 29 30 ELECTRICAL SYSTEM (KOHLER) 14 15 9 10 11 8 B B 7 15 14 16 A 31 18 A C C.
51 Section 8 1 48023 Hour Meter 2 48298 Fuse, 20 AMP 3 48017-02 Key & Ring Assembly 4 48017-04 Nut, Hex 5/8-32 5 48017-03 Lockwasher, 5/8" Internal 6 422495 Instrument Panel, Top 7 48798 Key .
52 Section 8 21 32 33 1 2 3 4 5 6 12 13 17 STT99ESKA 10 10 11 17 18 15 14 19 20 22 23 24 25 34 32 26 27 28 29 30 ELECTRICAL SYSTEM (KAWASAKI) 14 15 9 10 11 8 B B 7 15 14 16 A 31 18 A C C 35.
53 Section 8 1 48023 Hour Meter 2 48298 Fuse, 20 AMP 3 48017-02 Key & Ring Assembly 4 48017-04 Nut, Hex 5/8-32 5 48017-03 Lockwasher, 5/8" Internal 6 422524 Instrument Panel, Top 7 48798 Key .
54 Section 8 HYDRAULIC PUMP ASSEMBLY 390S0167 11 4 9 11 2 12 10 6 8 13 7 18 5 14 15 16 17 19 20 21 22 1 29 23 24 30 25 26 28 27 3 Overhaul Seal Kit.
55 Section 8 1 H G 2513017 Housing Kit (Includes Housing, Journal Bearing) 2 H G 2513016 End Cap 3 HG 9004800-2506 Straight Headless Pin 4 HG 9007314-0810 Socket Head Screw 5 H G 2003067 End Cap Gasket 6 H G 2513027 Charge Pump Kit (Includes Charge Cover, Gerotor Assy.
56 Section 8 REPLACEMENT DECALS AND INFORMATION PLATES 12 3 5 8 6 4 9 12 13 14 7 ROTATING BLADES AND BELTS WARNING KEEP HANDS, FEET & CLOTHING CLEAR KEEP ALL GUARDS IN PLACE SHUT OFF ENGINE & .
57 Section 8 1 48071 Decal, Danger-Spining Blades 2 481040 Decal, Warning-Rotating Blades 3 48319 Decal, 52 48320 Decal, 61 4 481272 Decal, Fuel Tank 5 48656 Decal, Patents 6 481568 Decal, Traction Co.
58 Section 8 SEA T SWITCH + - INSTRUMENT P ANEL HOURMETER MO WER ENGA GE SWITCH KEY SWITCH AMMETER ELECTRIC CLUTCH BRAKE INTERLOCK SWITCH B A TTERY RELA Y GROUND SOLENOID ST ARTER ENGINE FUSES 20 AMP .
59 Section 8 SEA T SWITCH + - I S G INSTRUMENT P ANEL HOURMETER W A TER TEMP MO WER ENGA GE SWITCH KEY SWITCH AMMETER ELECTRIC CLUTCH BRAKE INTERLOCK SWITCH B A TTERY RELA Y GROUND SOLENOID ST ARTER E.
LIMITED W ARRANTY -COMMERCIAL EQUIPMENT Any part of the Scag commercial mower manufactured by Scag Power Equipment and found, in the reasonable judg- ment of Scag, to be defective in materials or workmanship, will be repaired or replaced by an Authorized Scag Service Dealer without charge for parts and labor.
P ART NO. 03059 PRINTED 8/98 PRINTED IN USA © 1998 SCAG POWER EQUIPMENT DIVISION OF MET ALCRAFT OF MA YVILLE, INC..
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