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Section 6

28

6.3 THROTTLE CONTROL AND CHOKE
ADJUSTMENTS

These adjustments must be performed by your Scag
dealer to ensure proper and efficient running of the
engine. Should either need adjustment, contact your
authorized Scag service center.

6.4 ENGINE BELT ADJUSTMENT

Figure 6-11 Transmission Belt Adjustment

6.7 BELT ALIGNMENT

Belt alignment is important for proper performance of
your Scag Mower. If you experience frequent belt wear
or breakage, see your authorized Scag service center for
belt adjustment.

Figure 6-10 Blower Belt Adjustment

6.6 TRANSMISSION DRIVE BELT
ADJUSTMENT

To adjust the two transmission drive belts, turn the
adjusting nut (Figure 6-11) for the belt needing
adjustment to obtain a 1/2 inch belt deflection with 10
pounds of pressure. See Drive Belts, section 7.8 for
checking method.

1. Remove the guard covering the engine belt.

2. Adjust belt tension by turning the adjusting nut (Figure

6-9) to obtain a 1/2 inch belt deflection with 10 pounds
of pressure. See Drive Belts, section 7.8 for checking
method.

6.5 BLOWER DRIVE BELT ADJUSTMENT

To adjust the belt tension, turn the adjusting nut (Figure
6-10) to obtain a 1/2 inch deflection with 10 pounds of
pressure. See Drive Belts, section 7-8 for checking
method.

WARNING:

Before removing any guards, shut the
engine off and remove the ignition key.

Adjusting Nut

Figure 6-9 Engine Belt Adjustment

Adjusting Nut

Right Transmission
Belt Adjusting Nut

LeftTransmission

BeltAdjustingNut

Loosen nut before
adjusting belt.
Tighten after the belt is
adjusted.

STR611

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Содержание STR Operator's

Страница 1: ...FROM SERIAL NUMBER 60001 TO 69999 OPERATOR S MANUAL PART 03028 TURF RUNNER MODEL STR...

Страница 2: ...hat came with your mower Keep others off the tractor only one person at a time REMEMBER YOUR MOWER IS ONLY AS SAFE AS THE OPERATOR Hazard control and accident prevention are dependent upon the awarene...

Страница 3: ...tion 4 Operating Instructions 4 1 Controls and Instrument Identification 8 4 2 Safety Interlock System 10 4 3 Initial Run In Procedures 10 4 4 Starting the Engine 10 4 5 Ground Travel and Steering 10...

Страница 4: ...System 34 7 6 Engine Air Cleaner 34 7 7 Battery 35 7 8 Drive Belts 36 7 9 Cutter Blades 37 7 10 Tires 38 7 11 Hopper 39 7 12 Transmission Gearbox 39 7 13 Cutter Deck Gearboxes 39 7 14 Body Deck Hopper...

Страница 5: ...tes open or removed Under no circumstances should your mower be operated without these devices in place All information is based upon product information available at time of approval for printing Sca...

Страница 6: ...ord It is a distinctive word on safety decals and throughout this manual that alerts the viewer to the existence and relative degree of the hazard The signal word WARNING denotes a hazard exists on or...

Страница 7: ...h care Fill fuel tank outdoors Never fill indoors Use a funnel or spout to inhibit spillage Clean up any spillage before starting the engine 10 DO NOT add fuel to a running or hot engine An explosion...

Страница 8: ...is running or immediately after stopping These areas may be hot enough to cause a burn 16 DO NOT run engine inside a building or confined area without proper ventilation Exhaust fumes are hazardaous a...

Страница 9: ...EFORE SERVICING CLEAR AREA OF DEBRIS BEFORE MOWING USE CAUTION IN DIRECTING DISCHARGE KEEP BYSTANDERS CHILDREN PETS AWAY READ INSTRUCTION MANUAL BEFORE OPERATING DO NOT OPERATE WITHOUT DISCHARGE CHUTE...

Страница 10: ...ive Belt Scag Part Number 481237 3 2 ELECTRICAL Battery 12 Volt Charging System Alternator Charging Output 12 Volt 30 Amp System Polarity Negative Ground Starter 12 Volt Electric Ring Gear Type Key an...

Страница 11: ...ive Shaft Quick Disconnect Shaft With Two High Speed U Joints 3 5 GRASS CATCHING SYSTEM Type Out Front Rear Deck Discharge into Blower which Discharges the Grass Clippings Either into a Hopper or is S...

Страница 12: ...l engage the deck drive Pulling the switch lever back will disengage the deck drive 3 Engine Choke Control Figure 4 1 Used to start a cold engine 4 Engine Throttle Control Figure 4 1 Used to control t...

Страница 13: ...re 4 1 Used to engage and disengage the parking brakes Pull the lever back and lock in place to engage the parking brakes Pull the lever back and move to the left to disengage the parking brakes 11 Fu...

Страница 14: ...osition for more than 15 seconds at a time Allow at least 60 seconds between each cranking attempt to prevent overheating of the starter motor Prolonged cranking can damage the starter motor and short...

Страница 15: ...trol lever forward Do not push the steering control levers forward as they are used only for steering the mower left or right When the speed control is moved forward the mower will travel forward at t...

Страница 16: ...will turn right To stop the reverse travel place the speed control lever in the neutral position and allow the steering control levers to return to the neutral position If the mower is to be parked en...

Страница 17: ...lways travel up or down the slope whenever possible NEVER across the slope See Figures 4 7 and 4 8 WARNING Figure 4 7 Proper Operation on a Slope Figure 4 8 Improper Operation on a Slope 4 8 PARKING T...

Страница 18: ...te the grass clippings through the inside of the hopper will begin to oscillate If the spout does not oscillate do not use the grass catcher Use the side discharge and then have the oscillating spout...

Страница 19: ...LIFT UP D Carefully lower the hopper Figure 4 12 Raising The Hopper U Bolt and Latch E Release the latch holding the tailgate and then lower the tailgate Be careful when lowering the tailgate It is s...

Страница 20: ...e a distinct change in the sound of the blower and or the mower deck will begin to leave a trail of glass clippings The clogging will generally develop in the back of the mower deck in the opening of...

Страница 21: ...g Shut off the engine and remove the ignition key Bodily injury could occur from the rotating blades 1 Shut off the engine and remove the ignition key 2 Remove the two hairpins from the adjusting pins...

Страница 22: ...ck Pull Back on Collar Drive Shaft Spindle Figure 4 15 Disconnecting the Drive Shaft 2 Tilt the deck and secure in place with the two prop rods Figure 4 16 Seat Raised Deck Raise and Latched Figure 4...

Страница 23: ...astened to the spindle shaft it will come off the shaft and spin out of control when the cutter blades are engaged Personal injury is possible as well extensive machine damage B Align the splines of t...

Страница 24: ...s Uncut Grass in Cutting Path Incorrect blade sharpening Sharpen blades Low engine RPM Run engine at full RPM Beltslipping Adjust belt tension Deck plugged grass accumulation Clean underside of deck G...

Страница 25: ...ized SCAG dealer Dull blade Sharpen blade TROUBLESHOOTING CONT D Sloping Ridge Across Tire pressures not equal Check and adjust tire pressure Width of Cutting Path Wheelsuneven Check and adjust tire p...

Страница 26: ...peed to adjust for conditions Wet grass Cut grass after it has dried out Step Cut Ridge Bladesnotmounted evenly Adjust pitch and level in Center of Cutting path Bent blade Replace blade Internal spind...

Страница 27: ...brake linkage arm Figure 6 2 Remove Cotter Pin Here Brake Rod Parking Brake Lever Swivel Joint Hold Brake Lever In This Direction Figure 6 2 Adjusting Right Brake Linkage B Move the swivel joint out...

Страница 28: ...or slack in the spring and linkage If there is slack repeat steps B and C until the slack is removed If there is no slack proceed with step 7 IMPORTANT Be careful not to adjust the spring too tight A...

Страница 29: ...e in the center of the slot If correct proceed to step 2 If incorrect loosen the lock nut securing the ball joint to the lever and relocate the ball joint to the correct position 2 Loosen the two jam...

Страница 30: ...way at slow speed and then pulls the other way at fast speed a tracking adjustment needs to be done Figure 6 6 Neutral and Tracking Adjustments 5 Tighten the jam nuts D E to hold the setting in place...

Страница 31: ...use it to stroke the pump more speeding up the left wheel Steering Handle Adjustment NOTE Changing the Neutral Adjustment will move the handle locations 3 4 Figure 6 7 Gap Measurement Figure 6 8 Raise...

Страница 32: ...for the belt needing adjustment to obtain a 1 2 inch belt deflection with 10 pounds of pressure See Drive Belts section 7 8 for checking method 1 Remove the guard covering the engine belt 2 Adjust be...

Страница 33: ...lean mower See paragraph 7 14 X Check condition of blades See paragraph 7 9 X Apply grease to fittings See paragraph 7 2 X Remove dust from air cleaner See paragraph 7 6 dust cup X Clean screen in hop...

Страница 34: ...CHART SEE FIGURE 7 1 LUBRICATION NO OF LOCATION INTERVAL LUBRICANT PLACES 1 Drive Shaft Mtg Spindle 40 Hours Weekly Lithium MP White Grease 2125 1 2 Blower Bearings 8 Hours Daily Lithium MP White Gre...

Страница 35: ...at Exxon Service Stations Super Lube MEP 2 Super Stay M 2 found at Conoco Stations Shell Alvania 2 found at Shell Service Stations Lidok EP 2 found at industrial shops Figure 7 1 Lubrication Fitting...

Страница 36: ...lor of the fluid has become black or milky A black color and or a rancid odor usually indicates possible overheating of the oil and a milky color usually indicates water in the hydraulic oil NOTE The...

Страница 37: ...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 Drain Plug F...

Страница 38: ...replace the element if required NOTE In extremely dusty conditions it may be necessary to check the element once or twice daily to prevent engine damage 1 Remove the wing nut securing the air cleaner...

Страница 39: ...nder and then remove the battery cover 2 Remove the battery cell caps Visually inspect electrolyte level in the cells If electrolyte is below the bottom of vent well fill with clean distilled water to...

Страница 40: ...y charger s manual for specific instructions Under normal conditions the engine s alternator will have no problem keeping a charge on the battery If the battery has been completely discharged for a lo...

Страница 41: ...ightness by marking the tip position of the blade on the inside of the deck Then rotate the opposite tip of the blade to the same position Compare the difference in the blade tip track If the track is...

Страница 42: ...Figure 7 10 4 Remove the cutter blade from the blade drive adapter by removing the 2 two 10 32 X 1 2 socket head capscrews elastic stop nuts and spacers Attaching Hardware Bolt Lockwasher and Flatwas...

Страница 43: ...rom the hopper with the screen removed 7 12 TRANSMISSION DRIVE GEARBOX A Checking Fluid Level The fluid level in the transmission drive gearbox Figure 7 11 should be checked after every 100 hours of o...

Страница 44: ...ure in place with the two prop rods 3 Beneath the cutter deck is an access hole to center gearbox drain plug Figure 7 13 Clean the area thoroughly and then place a suitable container under the drain p...

Страница 45: ...k plug and tighten securely 14 Repeat step 13 on the right gearbox 15 Clean the three breathers with a non flammable solvent 16 Install the foot plate to the cutter deck Do not wash any portion of the...

Страница 46: ...8 STR003 13 1 2 3 4 5 5 52 7 10 9 11 15 13 5 14 12 5 13 9 8 16 11 9 17 18 49 45 19 21 20 23 24 25 26 28 28 52 21 35 36 37 38 39 40 35 41 33 31 32 30 34 39 53 44 43 3 2 6 3 44 51 24 50 47 8 9 48 49 9 8...

Страница 47: ...04003 11 Carriage Bolt 3 8 16 x 1 1 4 55 422109 Bracket Anti Rotation Ref Part No Number Description 1 45811 Foot Plate 2 04019 03 Serr Fl Hex Nut 5 16 18 3 48114 04 Grease Fitting 4 45734 Frame Cutte...

Страница 48: ...6 23 36 35 34 33 24 23 32 31 30 7 29 28 6 16 8 7 27 6 7 16 32 16 12 27 7 6 89 41 37 39 40 38 43 7 6 42 38 45 44 46 47 48 7 58 57 49 51 52 53 54 55 56 50 7 6 15 6 65 66 16 48 7 47 48 7 39 59 58 60 58 6...

Страница 49: ...ing 40 04001 10 Bolt Hex Head 5 16 18 x 1 1 4 41 421902 Shield Engine 42 04021 08 Hex Lock Nut Elastic Stop 1 4 20 43 04001 54 Bolt Hex Head 3 8 16 x 3 00 44 45802 Yoke Rear Caster 45 04021 13 Hex Loc...

Страница 50: ...ASSEMBLY Section 8 49 44 52 44 1 2 3 4 5 6 3 49 3 49 7 14 3 13 12 11 8 9 15 10 48 47 46 45 42 41 40 39 38 37 36 43 51 50 44 14 53 34 33 32 31 30 29 28 27 26 25 24 23 22 30 32 16 23 22 21 20 17 18 16...

Страница 51: ...Stop 3 8 16 51 04020 12 Nut Jam 3 8 16 52 422169 Mounting Bracket Discharge Chute 53 04050 01 Retainer Ring 625 E Ref Part No Number Description 1 45827 Chute Side Discharge 2 45826 Housing Blower 3...

Страница 52: ...NGINE AND ATTACHING PARTS Section 8 1 2 3 4 5 6 7 31 3 8 9 8 10 11 12 8 14 13 Part of Engine 30 29 Part of Engine 27 15 Part of Engine 16 17 18 22 23 12 19 18 20 26 27 28 29 24 25 32 33 32 34 21 35 ST...

Страница 53: ...04019 03 Serr Fl Hex Nut 5 16 18 04021 10 Hex Locknut Elastic Stop 5 16 18 19 04003 04 Carriage Bolt 5 16 18 x 1 00 20 48030 11 Clamp 21 04040 04 Flatwasher 5 16 344 x 688 x 065 22 04030 04 Lockwasher...

Страница 54: ...17 18 15 19 7 21 22 23 2 24 14 7 21 28 28 30 27 1 7 21 26 7 25 20 25 27 21 34 33 32 31 35 60 53 29 7 7 21 21 34 31 32 7 33 34 21 36 37 38 39 40 41 42 7 45 47 46 44 43 48 53 41 49 51 50 1 50 38 61 48 5...

Страница 55: ...1 2 60 04001 19 Bolt Hex Head 3 8 16 x 1 0 61 Fan Cooling Ref Part No Number Description 1 04001 109 Bolt Hex Head 1 4 20 x 1 3 8 2 481230 Pulley 5 55 OD 3 481235 Belt Drive 4 48926 Hub Tapered 5 040...

Страница 56: ...52 HYDRAULIC PUMP Section 8 SC226G 22 17 20 23 13 21 25 27 26 24 28 17 14 15 2 12 30 15 1 3 5 6 2 4 11 8 12 9 10 7 16 18 20 19 Overhaul SEAL KIT 29 STR012...

Страница 57: ...3 3 Transmission Housing Kit R H 12 HG2003044 Thrust Ball Bearing Assembly 13 HG9008000 0127 Lip Seal 15 x 24 x 7 14 HG2003032 Motor Shaft 15 HG2003017 Block Thrust Washer Ref Part No Number Descripti...

Страница 58: ...tion 8 SC225G 11 13 8 15 18 19 22 21 20 6 16 3 1 12 2 7 8 9 10 5 4 17 16 14 31 26 35 30 33 34 29 28 32 27 26 25 24 36 23 25 24 26 35 34 29 30 31 32 33 28 27 26 36 23 BRAKE ASS Y FOR MODEL 481223 BRAKE...

Страница 59: ...36 HG44090 Disc Brake Ref Part No Number Description 481223 Axle L H Includes Items 1 thru 36 481224 Axle R H Includes Items 1 thru 36 1 HG62768 Axle Housing Assembly 2 HG44533 Hydro Mount Housing 3 H...

Страница 60: ...56 DRIVE GEARBOX Section 8 STR015 1 2 3 4 5 6 6 7 8 9 10 11 2...

Страница 61: ...ug Socket Head 3 Plug Dipstick 4 SGC210003002828 Casting Upper 5 SGC200900002617 Shaft Assembly Cross 6 SGC209843 Seal 1 7 SGC00002626 Shaft Assembly Pinion 8 SGC00002569 Seal 1 1 8 x 1 1 2 x 3 6 9 SG...

Страница 62: ...58 DECK DRIVE Section 8 1 2 3 2 4 5 6 14 15 40 40 7 8 9 10 11 12 13 16 17 18 19 20 15 21 22 27 26 25 5 24 23 28 9 29 30 31 32 33 34 35 36 37 38 32 39 STR006...

Страница 63: ...8 43409 Pin Clutch Anti Cavitation 19 04020 03 Hex Nut 5 16 18 20 481311 Isolator Rubber 21 04030 5 Lockwasher 7 16 22 04001 103 Bolt Hex Head 7 16 20 x 2 1 4 DECK DRIVE Section 8 Ref Part No Number D...

Страница 64: ...28 29 31 32 26 33 34 30 76 25 36 38 22 37 24 34 28 29 31 27 39 23 41 42 43 37 40 46 68 67 45 44 38 47 48 47 49 50 51 14 54 53 52 51 56 61 62 63 61 62 64 61 56 58 49 57 59 60 58 60 59 49 57 51 55 14 54...

Страница 65: ...Lever R H Speed Control 76 45749 Arm L H Pump Control Ref Part No Number Description SPEED AND STEERING CONTROLS Section 8 1 481245 Knob 2 04002 04 Hex Nut 3 8 16 3 45753 Lever Speed Control 4 481243...

Страница 66: ...62 PARKING BRAKE AND DUMP VALVE LINKAGES Section 8 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 15 14 24 25 26 27 28 14 29 2 32 13 31 2 2 30 STR014...

Страница 67: ...r Fl Hex Head CPSCR 5 16 18 x 1 00 16 04003 02 Carriage Bolt 1 4 20 x 3 4 PARKING BRAKE AND DUMP VALVE LINKAGES Section 8 Ref Part No Number Description 17 Bracket Dump Valve Lever 18 04019 02 Serr Fl...

Страница 68: ...64 HYDRAULIC COMPONENTS AND LINES Section 8 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 6 7 16 17 21 22 23 24 25 14 15 18 19 20 10 10 20 STR010...

Страница 69: ...32 x 5 8 ID 11 48810 01 Tee 1 2 13 JIC x O Ring 12 48462 01 Element Filter 48462 02 Head Filter 13 481359 Hose Assembly L H Charge Pump 14 48350 10 Elbow 90 9 16 18 JIC to 7 16 20 O Ring 15 48603 03...

Страница 70: ...66 ELECTRICAL SYSTEM Section 8 1 2 3 4 5 6 7 20 9 8 10 11 12 13 14 17 15 16 11 12 18 19 16 15 21 22 23 24 25 26 27 28 29 28 29 1 30 31 32 33 34 35 36 37 22 To Hopper Harness A A STR011...

Страница 71: ...Controls 19 04010 01 Screw Washer Round Head 10 32 x 1 2 ELECTRICAL SYSTEM Section 8 Ref Part No Number Description 20 48787 01 Nut Hex 1 2 27 21 48717 Switch Interlock Seat 22 48522 Switch Interlock...

Страница 72: ...17 15 18 19 20 16 13 12 22 15 24 29 25 26 27 28 23 21 17 15 30 31 34 12 35 16 37 38 39 40 41 44 14 45 11 11 45 46 47 12 48 15 8 15 64 49 17 50 40 11 40 52 51 53 56 57 58 59 57 56 60 62 63 HOPPER 55 61...

Страница 73: ...Serr Fl Hex Head CPSCR 1 4 20 x 1 00 7 481387 Latch Hopper Door 8 04041 22 Flatwasher 1 4 258 x 500 x 0598 9 481252 Door Hopper 10 481282 Handle 11 04090 02 Pop Rivet 3 16 x 652 12 04021 08 Hex Locknu...

Страница 74: ...70 HOPPER ACTUATOR MECHANISM Section 8 1 2 3 4 5 6 7 8 9 10 11 12 11 13 10 9 7 8 13 14 15 16 17 18 19 18 15 19 7 20 8 26 25 5 20 27 24 24 26 25 23 STR004...

Страница 75: ...hing Nylon 12 45799 Connecting Rod 13 481344 Spring Connecting Rod 14 04001 124 Bolt Hex Head 5 16 18 x 7 00 15 04001 10 Bolt Hex Head 5 16 18 x 1 1 4 16 04015 08 Capscrew Socket Head 10 32 x 1 1 2 17...

Страница 76: ...MANUAL BEFORE OPERATING DO NOT OPERATE WITHOUT DISCHARGE CHUTE MULCHING KIT OR ENTIRE GRASS CATCHER INSTALLED 481040 48404 MANUFACTURED UNDER ONE OR MORE OF THE FOLLOWING PATENTS PATENTS PENDING 4 487...

Страница 77: ...48656 Decal Patent 6 48318 Decal 48 7 481314 Decal Scag 8 48071 Decal Danger Rotating Blower Blades 9 481272 Decal Fuel Tank 10 481378 Decal Caution Danger Thrown Objects 11 481348 Decal Instrument Pa...

Страница 78: ...R METER RELAY 20 amp NEUTRAL SWITCH ENGINE ADAPTER BATTERY _ WIPER MOTOR RELAY GROUND SEAT SWITCH _ _ BLK BLK RED WHT RED RED WHT GRN WHT WHT RED RED YEL RED ENGINE STARTER SOLENOID BLK RED BLUE RED B...

Страница 79: ...glect negligence or accident or that has been operatedinanywaycontrarytotheoperatinginstructionsasspecifiedintheOperator sManual Thewarrantydoesnotapply to any damage to the mower that is the result o...

Страница 80: ...PART NO 03028 PRINTED 7 98 PRINTED IN USA 1996 SCAG POWER EQUIPMENT INC DIVISION OF METALCRAFT OF MAYVILLE...

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