Scag Power Equipment Magnum III Operator'S Manual Download Page 51

Page: 51 / 77

RADIATOR/OILCOOLER

Ref. Part
No. Number Description

481207

Hose, Upper Radiator

48136-06

Clamp, Hose

45783

Shroud, Fan

04019-03

Serr. Fl. Hex Nut, 5/16-18

Tank, Coolant Overflow

422192

Mounting Bracket, Coolant Tank

04003-12

Carrage Bolt, 5/16-18 x .75

481286

Radiator with Oil Cooler

45784

Frame, Debris Screen

45785

Screen. Debris

04001-06

Bolt, Hex Head, 1/4-20 X 5/8

422010

Side Rail, Debris Screen

421992

Bracket, Radiator Mounting

04003-11

Carriage Bolt, 3/8-16 x 1-1/4

Cushion, Radiator Mounting

Washer, Radiator Mounting

04021-05

Locknut, 3/8-16

Cushion, Radiator Mounting

481302

Drain Cock

481206

Hose, Lower Radiator

04041-07

Flatwasher, 3/8 (.391 x .938 x .105)

04021-09

Hex Locknut, Elastic Stop, 3/8-16

04040-14

Flatwasher, 1/4 (.312 X .75 X .065)

04030-02

Lockwasher, 1/4

48576-03

Coupling, 1/4 NPT

481383-01

Nipple, 1/4 NPT x 2.0

422194

Strap, Coolant Bottle

04001-44

Bolt, Hex Head, 1/4-20 x .50

04001-59

Bolt, Hex Head, 1/4-20 x 1.25

04019-02

Serr. Fl. Hex Nut, 1/4-20

04021-08

Hex Locknut, Elastic Stop, 1/4-20

* Available only through the engine manufacturer.

-NOTE-

Some of the hardware is common hardware and you may purchase it locally. Be sure that all bolts
purchased are a grade 5.

Summary of Contents for Magnum III

Page 1: ...OPERATOR S MANUAL PART 03027 ...

Page 2: ...well as other manuals that 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 awareness concern prudence and proper training of the personnel involved in the operation transport maintenance and storage of the equipment WARNING This manual covers the operating in...

Page 3: ...oved 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 Scag Power Equipment reserves the right to make changes at any time without notice and without incurring any obligation 1 2 DIRECTION REFERENCE The Right and Left Front and Rear of the machine are referenced from the o...

Page 4: ...rd 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 Section 2 The signal word DANGER denotes that an extremely hazardous situation exists on or near the machine that could result in high probability of death or irreparable injury if proper precautions are not taken WARNING The signal word WARNING denotes ...

Page 5: ...ight and all hydraulic hoses and lines are in good condition before starting the machine 2 4 OPERATION CONSIDERATIONS 1 Know the function of all controls and how to stop quickly 2 Reduce speed and exercise extreme caution on slopes and in sharp turns to prevent tipping or loss of control Be especially cautious when changing directions on slopes DO NOT operate on steep slopes To check a slope attem...

Page 6: ...CONSIDERATIONS 1 Never make adjustments to the machine with the engine running unless specifically instructed to do so If the engine is running keep hands feet and clothing away from moving parts 2 Remove the key from the ignition switch to prevent accidental starting of the engine when servicing or adjusting the machine 3 Keep all nuts bolts and screws tight to ensure the machine is in safe worki...

Page 7: ...HUT OFF ENGINE DISENGAGE BLADE CLUTCH BEFORE 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 MULCHING KIT OR ENTIRE GRASS CATCHER INSTALLED 481040 DANGER SPINNING BLADE KEEP CLEAR CONTACT CAN INJURE 48071 2 6 SAFETY AND INSTRUCTIONAL DECALS ...

Page 8: ...led Cooling System 170 F Thermostat Blade Fan Cooling Capacity 8 Quarts Belts Alternator See Engine Manual for Part Number Fan Scag Part Number 481114 Electric Clutch Scag Part Number 481104 Hydraulic Pump Scag Part Number 481103 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 and S...

Page 9: ...s Electric Actuator Cutting Heights 1 1 2 to 5 1 2 Deck Tilt Switch on Instrument Panel Controls Electric Actuator Cutter Deck Belts Blade and Gearbox Drive Mag 61 Scag Part Number 48204 Blade and Gearbox Drive Mag 72 Scag Part Number 48089 Blade Drive Mag 61 Scag Part Number 48265 Blade Drive Mag 72 Scag Part Number 481295 Gearbox Type Sealed Housing Bevel Gear and Pinion Type Drive Shaft Quick D...

Page 10: ...the ON position Can be used to keep track of maintenance intervals and the amount of time required to perform various tasks 4 Voltmeter Indicates the battery condition and charge level 4 1 CONTROLS AND INSTRUMENT IDENTIFICATION Before operating the mower familiarize yourself with all mower and engine controls Knowing the location function and operation of these controls is important for safe and e...

Page 11: ...rotect the mower s electrical system To replace fuses pull fuse out of socket and install new fuse B Levers 1 Blade Brake Control Lever Figure 4 1 Used to engage and disengage the mower blade brake Pulling the lever down and to the right engages the brake and stops the blades from rotating Pushing the lever up and to the left disengages the brake allowing blades to rotate 2 Throttle Lever Figure 4...

Page 12: ...fety interlock system is malfunctioning or if you want to ensure that it is working properly perform the tests in Table 4 1 Stop the test and have the system inspected and repaired if the engine does not start in test 1 or the engine does start during tests 2 and 3 or the engine continues to run during tests 4 and 5 4 3 INITIAL RUN IN PROCEDURES First Day of Use or Approximately 10 Hours 1 Check a...

Page 13: ...ine starts Do not hold the key in the START position for more than 15 seconds at a time Allow at least 60 seconds between each cranking attempt to inhibit overheating the starter motor Prolonged cranking can damage the starter motor and shorten battery life 6 Allow engine to warm to operating temperature 4 6 OPERATOR COMFORT ADJUSTMENTS Two adjustments can be made to make your mowing job comfortab...

Page 14: ... on slopes Start maneuver ing with SLOW engine speed until you are fa miliar with all operating characteristics Prac tice maneuvering the mower until you can make it go exactly where you intend NOTE If the mower is driven on public roads it must comply with state and local ordinances as well as SAE J137 and or ASME S279 requirements Contact your local authorities for regulations and equipment requ...

Page 15: ...nnot climb the slope the grade is too steep for safe operation Do not make another attempt to climb the slope Engage the blade brake to stop the blades and back down slowly WARNING WARNING IMPORTANT Avoid high speed turns on all surfaces Tires can slip on grass and can wear rapidly on concrete and asphalt 6 When going over curbs first activate the mower deck lift switch to fully raise the deck to ...

Page 16: ...RTANT If the radiator dirt screen is not removed and cleaned after every use the screen will be come clogged with grass clippings etc block ing the air flow through the radiator This will cause a high engine operating tempera ture that may cause damage to the engine Section 4 CAUTION The blade brake stops the blades from rotating If the blades do not stop contact your Scag Dealer 4 Engage the park...

Page 17: ...e stripe mowing pattern for best appear ance and vary the direction of the stripe each time the grass is mowed to avoid wear patterns in the grass 4 14 ADJUSTING CUTTING HEIGHT The mower deck height switch on the instrument panel is used to adjust the cutting height of the deck Do not adjust the cutting height while the mower is moving Stop the mower then activate the deck height switch to positio...

Page 18: ...on the instrument panel to raise the deck 3 Before lowering the deck observe that there are no objects under the deck Remove any objects then activate the deck tilt switch to lower the deck Do not tilt the deck with the mower blades rotating Engage the blade brake before tilting the deck Bodily injury or damage to the mower or property could result CAUTION Section 4 1 2 3 4 ...

Page 19: ...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 Belts slipping Adjust belt tensions Streaking Strips of Dull worn blades Sharpen blades Uncut Grass in Cutting Path Incorrect blade sharpening Sharpen blades Low engine RPM Run engine at full 3600 RPM Belt slipping Adjust belt tension Dec...

Page 20: ...edge toward Appearance ground Scalloped Cut or Rough Contour Deck plugged grass accumulation Clean underside of deck Too much blade angle deck pitch Adjust pitch and level Deck mounted improperly See your authorized SCAG dealer Bent spindle area See your authorized SCAG dealer Dull blade Sharpen blade Uneven Cut on Uneven ground May need to reduce ground speed Uneven Ground raise cutting height an...

Page 21: ... adjust for conditions Wet grass Cut grass after it has dried out Step Cut Blades not mounted evenly Adjust pitch and level Ridge in Center of Cutting Path Bent blade Replace blade Internal spindle failure See your authorized SCAG dealer Mounting of spindle incorrect See your authorized SCAG dealer Slope Cut Sloping Bent spindle mounting area See your authorized SCAG dealer Ridges Across Width of ...

Page 22: ...ADJUSTMENT The forward reverse linkage should be adjusted whenever the mower will not stay stationary when the forward reverse right foot pedal is placed in the neutral position 1 Set the engine deck on jack stands so the wheels are free to rotate 2 Block the caster wheels to prevent an accident should the unit fall off the jacks 3 Start the engine and observe for drive wheel rotation If the wheel...

Page 23: ...bolt counter clockwise until rotation stops 5 Check the adjustment of the right foot pedal for full forward speed The bottom of the foot pedal should be 1 4 inch from the top of the foot plate See Figure 6 1 when the pump is stroked in the full forward position To make an adjustment loosen the jam nut at the pump control bellcrank Figure 6 1 Depress the foot pedal and turn the control rod until 1 ...

Page 24: ...top cutter deck cover 2 Each belt has an adjustment rod attached to its belt idler arm To adjust the belt tension turn the adjusting nut Figure 6 6 until 1 2 inch deflection in the belt is obtained with 10 pounds of pressure See Cutter Deck Belts section 7 10 for checking method Figure 6 6 Blade Belt Tension Adjustments Mag 72 Deck Shown 3 Replace the top cutter deck cover Figure 6 4 Electric Clut...

Page 25: ...bottom of the cutter deck Figure 6 7 Then take a measurementontheleftsideofthedeck Bothmeasurements should be equal If different adjust the deck to level Figure 6 7 Measuring Height of Deck To level the deck loosen the adjusting nut Figure 6 8 and lift or lower the deck until the left side measurement equals the right side measurement Tighten the adjusting nut Figure 6 9 Pitch Measurement 1 To adj...

Page 26: ...the cutting height gauge See Figure 6 12 is in question the cutting height should be checked To check the cutting height lift the discharge chute and measure from the ground to the cutting edge of the blade See Figure 6 11 If the measurement is different from what is registered on the gauge adjust the gauge rod to the proper setting Tape Measure Blade Figure 6 11 Measuring Cutting Edge Height Loos...

Page 27: ...graph 7 7 X Check engine oil level See paragraph 7 5 X Clean radiator debris screen See paragraph 7 7 X Clean mower and remove See paragraph 7 13 debris under deck belt covers X Check condition of blades See paragraph 7 11 X Apply grease to fittings See paragraph 7 2 X Remove dust from air cleaner See paragraph 7 7 dust cup X Check clean air intake and See paragraph 7 7 cooling areas X Check tire ...

Page 28: ...ge engine oil filter See paragraph 7 5 X Check hydrostatic drive fluid See paragraph 7 3 level X Grease rear wheel bearing See paragraph 7 2 X Replace engine fuel filter See paragraph 7 6 cartridge and pre filter X Drain hydrostatic drive system See paragraph 7 3 and replace hydraulic oil Use SAE 10W30 Oil X Replace hydraulic oil filter See paragraph 7 3 X Drain and replace engine See paragraph 7 ...

Page 29: ...hassis Grease 1 12 Rear Wheel Pivot 200 Hours Monthly Chassis Grease 1 13 Rear Wheel Bearings 200 Hours Monthly Lithium MP White Grease 2125 1 14 Right Hand Foot Plate Pivot 200 Hours Monthly Chassis Grease 1 15 Steering Handle 200 Hours Monthly Chassis Grease 1 16 Throttle Lever 200 Hours Monthly Chassis Grease 1 17 Parking Brake Lever 200 Hours Monthly Chassis Grease 1 18 Blade Brake Linkage Lev...

Page 30: ...Section 7 28 Figure 7 1 Grease Fitting Points ...

Page 31: ... a milky color usually indicates water in the hydraulic oil NOTE The hydraulic oil should be changed every time there is a major hydraulic component fail ure or if you notice the presence of water or a rancid odor to the hydraulic oil 1 Park the mower on a level surface and stop the engine 2 Place a suitable container under the hydraulic oil filter Remove the cap from the tee installed in the hydr...

Page 32: ...er the first 40 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 7 5 ENGINE FUEL SYSTEM A Filling the FuelTank Fill the fuel tank at the end of each operating day to within 1 inch below the filler neck Do not overfill and never allow the tank...

Page 33: ...nstructionsinsection 7 5 filling the fuel tank Be sure the fuel shut off valve is open 2 Open the air vent on top of the fuel injection pump Figure 7 5 Figure 7 5 Fuel Injection Pump IMPORTANT Always keep the air vent plug on top of the fuel injection pump closed except when bleed ing air from the system 3 Turn the ignition key to the ON position and allow the fuel pump to run for about one minute...

Page 34: ...ve and clean the debris screen 1 Open the engine hood 2 Pull the radiator debris screen up to remove Figure 7 7 Debris Screen Figure 7 7 Debris Screen Removal IMPORTANT To prevent personal injury always wear safety glasses when using compressed air 3 Clean the debris screen with compressed air or with a water hose NOTE Check the radiator for excessive debris and clean with compressed air if necess...

Page 35: ...cleaner service periods Inspect and clean the air cleaner element after every 100 hours of operation or bi weekly whichever occurs first and replace the element if required NOTE In extremely dusty conditions it may be nec essary to check the element once or twice daily to inhibit engine damage 1 Remove the cover wing nut and remove the cover from the air cleaner 2 Remove the wing nut securing filt...

Page 36: ...e quantities of water Follow with Milk Of Magnesia beaten egg or vegetable oil Get medical attention immediately In case of internal contact DO NOT give fluids that would induce vomiting 1 Remove the battery cover by removing the two nuts under the battery box 2 Remove the battery cell caps Visually inspect electrolyte level in the cells If electrolyte is below the bottom of vent well fill with cl...

Page 37: ...nected to the positive and the negative to the negative 4 After the engine starts remove the black cable first then the red Connect the field connection to the alternator 7 9 ENGINE DRIVE BELTS A Checking Belt Tension and Damage After the first 2 4 and 8 hours of operation check for proper tension on all engine belts and check for any damage Thereafter check the belt tension after every 100 hours ...

Page 38: ...Pulley Clutch Belt Pump Belt Fan Pulley Check Tension Here Idler Pulley Engine Pulley Deflect 1 2 With 10 Pounds of Pressure Deflect 1 2 With 10 Pounds of Pressure Deflect 1 2 With 10 Pounds of Pressure Figure 7 10 Engine Belt Tension Deflect 0 28 to 0 38 With 22 Pounds of Pressure Alternator Belt Idler Pulley Idler Pulley Check Tension Here Check Tension Here Blade Pulley Blade Pulley Blade Pulle...

Page 39: ... inch the blade is bent and should be replaced Do not attempt to straighten a bent blade and never weld a broken or cracked blade Always replace it with a new blade to assure safety 5 If a blade cutting edge is dull or nicked it should be sharpened Remove the blades for sharpening See Blade Replacement NOTE Keep the blades sharp Cutting with dull blades not only yields a poor mowing job but slows ...

Page 40: ...to inhibit wobble in the blade causing vibration and poor cutting 7 12 TIRES Check tire pressures after every 8 hours of operation or daily Caster Wheels 25 PSI Rear Steering Wheel 15 PSI Drive Wheels 15 PSI 7 13 BODY DECK AND UPHOLSTERY Do not wash any portion pf the equipment while it is hot Do not wash the engine or radiator use compressed air 1 After each use wash the mower and deck Use cold w...

Page 41: ...39 ILLUSTRATED PARTS LIST MAGNUM III ...

Page 42: ...1 35 36 32 65 16 27 6 40 37 24 64 42 43 44 45 46 47 48 49 50 51 52 41 53 2 54 55 56 56 55 54 2 41 53 41 59 60 61 62 63 32 57 58 16 12 16 12 58 53 41 58 2 54 55 56 64 24 68 69 70 71 68 67 32 74 12 16 28 23 25 72 26 29 24 22 25 24 10 20 13 21 35 73 74 MAG 61 MAG 72 CUTTER DECK 44 390S0111 ...

Page 43: ...141 Tapered Hub 1 00 Bore X X 38 48265 Belt Cutter Deck X 481295 Belt Cutter Deck X 39 48204 Belt Cutter Deck X 48089 Belt Cutter Deck X Ref Part Mag Mag No Number Descripton 61 72 40 46867 Cutter Deck with Decals X 46868 Cutter Deck with Decals X 41 46631 Spindle Assembly X X 42 43298 Shaft Cutter Spindle X X 43 481024 Seal 2 00 OD x 1 50 Bore X X 44 481022 Bearing Assembly X X 45 48114 04 Grease...

Page 44: ... 23 73 17 12 12 12 10 11 12 13 38 26 23 26 36 22 37 39 44 59 60 43 57 49 47 48 44 47 52 63 71 72 35 27 29 32 31 30 28 3 4 57 58 51 67 66 70 69 67 36 65 65 64 43 46 45 49 48 47 61 62 8 40 41 42 49 45 46 44 47 48 43 38 13 41 42 61 41 42 68 33 34 23 23 23 23 74 5 MAG 61 MAG 72 DECK SUPPORT 29 27 25 1 2 2 390S0112 14 ...

Page 45: ...pport Includes 23 38 39 74 X X Ref Part Mag Mag No Number Description 61 72 38 48100 02 Bushing Olite 1 1 8 ID X X 39 48100 08 Bushing Olite 1 00 ID X X 40 04021 13 Hex Locknut Elastic Stop 5 8 11 X X 41 04042 05 Flatwasher 1 1 062 x 1 75 x 10 X X 04041 14 Flatwasher 1 1 062 x 1 50 x 048 X X 42 43353 Spacer X X 43 04001 45 Bolt Hex Head 3 8 16 x 2 X X 44 04021 09 Hex Locknut Elastic Stop 3 8 16 X ...

Page 46: ... 5 6 9 10 10 11 12 13 14 35 36 15 16 17 18 18 19 20 21 390S0113 23 24 26 25 27 28 22 16 39 41 38 33 32 31 37 34 40 30 29 42 46 43 44 45 48 48 49 50 54 52 53 47 57 41 46 51 46 8 7 38 55 3 56 58 59 RIDER FRAME 60 61 ...

Page 47: ...el 31 04001 91 Bolt Hex Head 7 16 14 x 2 1 2 32 04001 115 Bolt Hex Head 5 8 11 x 11 1 4 33 481476 Switch Foot Interlock Ref Part No Number Description 34 04021 08 Hex Locknut Elastic Stop 1 4 20 35 04017 17 Serr Fl Hex Head Capscrew 5 16 18 x 1 00 36 04010 17 Screw Flat Hed 10 32 x 3 4 37 45699 Footplate LH 38 04019 03 Serr Fl Hex Nut 5 16 18 39 481152 Chain Steering 50 40 45696 Shaft Steering 41 ...

Page 48: ...8 14 14 19 20 21 24 25 26 28 27 31 390S0114 32 33 34 30 15 54 44 43 17 42 41 37 40 37 36 19 35 17 56 47 46 48 50 37 18 14 45 17 16 49 51 52 53 51 57 7 56 55 22 23 29 17 39 ENGINE DECK 14 68 65 69 71 A 59 60 61 58 67 61 58 66 62 70 63 B A 63 64 65 B 64 ...

Page 49: ...04001 01 Bolt 1 4 20 X 75 Hex Head Ref Part No Number Description 1 422002 Catch Hood Latch 2 04010 01 Screw Round Head Washer 10 32 x 1 2 3 481309 Latch Hood 4 04020 01 Hex Nut 10 32 5 421801 Stiffener Hood 6 Engine Kubota 28 HP Diesel 7 422236 Hood 8 421802 Mounting Plate Engine 9 04030 05 Lockwasher 7 16 10 04002 10 Bolt Hex Head M10 1 25 x 25 11 04021 11 Hex Locknut Elastic Stop 7 16 14 12 040...

Page 50: ...48 1 2 3 4 6 7 30 8 9 10 11 12 13 14 15 16 17 18 16 19 2 20 21 22 23 24 11 2 23 24 25 26 RADIATOR OIL COOLER 390S0115 5 28 27 31 29 ...

Page 51: ...nting 16 Washer Radiator Mounting 17 04021 05 Locknut 3 8 16 18 Cushion Radiator Mounting 19 481302 Drain Cock 20 481206 Hose Lower Radiator 21 04041 07 Flatwasher 3 8 391 x 938 x 105 22 04021 09 Hex Locknut Elastic Stop 3 8 16 23 04040 14 Flatwasher 1 4 312 X 75 X 065 24 04030 02 Lockwasher 1 4 25 48576 03 Coupling 1 4 NPT 26 481383 01 Nipple 1 4 NPT x 2 0 27 422194 Strap Coolant Bottle 28 04001 ...

Page 52: ...50 1 3 4 5 6 7 8 MUFFLER AND AIR CLEANER 2 1 390S0116 9 10 11 17 18 15 16 14 14 15 12 15 15 13 19 20 ...

Page 53: ...cket Head M8 1 125 x 20 12 422029 Brace Muffler Suport 13 04001 09 Bolt Hex Head 5 16 18 x 1 14 04003 12 Carriage Bolt 5 16 18 x 3 4 15 04019 03 Serr Fl Hex Nut 5 16 18 16 421983 Bracket Muffler Support 17 481439 Muffler 18 48633 Clamp Exhaust Pipe 19 422254 Muffler Guard 20 04011 08 Screw 10 32 x 50 Type F HH MUFFLER AND AIR CLEANER Available only through the engine manufacturer NOTE Some of the ...

Page 54: ...52 1 2 3 4 5 6 7 8 9 10 11 12 13 8 14 15 16 27 30 26 46 33 50 32 50 9 45 34 35 36 37 29 38 39 40 41 42 48 24 43 24 47 18 27 28 28 19 20 23 22 21 23 51 31 44 46 49 17 25 DECK DRIVE SYSTEM 390S0117 ...

Page 55: ... 2 1 4 DECK DRIVE SYSTEM Ref Part No Number Description 27 04021 09 Hex Locknut Elastic Stop 3 8 16 28 04041 07 Flatwasher 3 8 391 x 938 x 105 29 48181 Pulley Idler 30 43028 Rod J Hook 31 43336 Spacer 32 46871 Idler Arm Clutch 33 45212 Bracket Idler Pivot 34 04017 16 Serr Fl Hex Head Capscrew 5 16 18 x 3 4 35 43330 Hub Brake 36 04001 10 Bolt Hex Head 5 16 18 x 1 1 4 37 04017 19 Serr Fl Hex Head Ca...

Page 56: ... 32 21 40 41 42 43 33 44 4 6 7 8 9 10 11 12 7 8 7 14 15 17 11 17 7 8 29 19 23 25 26 27 28 34 35 36 37 38 39 47 46 45 48 1 2 3 4 5 3 18 49 50 13 8 PART OF ENGINE 7 10 8 7 PUMP AND FAN DRIVE SYSTEMS 16 22 20 24 21 390S0118 ...

Page 57: ... Bearing 4 04003 19 Carriage Bolt 1 2 13 x 1 1 4 5 46872 Bracket Fan Mounting Includes 3 48 6 422017 Idler Bracket Fan Drive 7 04021 09 Hex Locknut Elastic Stop 3 8 16 8 04041 07 Flat Washer 3 8 391 x 938 x 105 9 04003 06 Carriage Bolt 1 4 20 x 1 10 04001 32 Bolt Hex Head 3 8 16 x 1 1 4 11 04003 11 Carriage Bolt 3 8 16x 1 1 4 12 422019 Brace Fan Support 13 04019 02 Serr Fl Hex Nut 1 4 20 14 421808...

Page 58: ...56 1 2 3 4 6 7 8 9 10 11 12 5 9 13 14 15 16 9 18 17 19 20 21 22 23 18 24 25 11 12 26 20 21 29 15 20 19 32 29 20 21 12 11 12 11 21 31 9 30 28 33 27 9 25 11 12 INSTRUMENT PANEL 16 20 19 390S0119 ...

Page 59: ... I D 19 04040 04 Flatwasher 5 16 281 x 625 x 065 20 04030 03 Lockwasher 5 16 21 04020 03 Hex Nut 5 16 18 22 04019 03 Serr Fl Hex Nut 5 16 18 23 48114 04 Grease Fitting 24 421788 Guide Clutch Lever 25 48788 Relay Synchronize Start and Cutter Blade 26 481311 Rubber Isolator 27 422193 Brace Instrument Panel 28 04001 59 Serr Flg Hex Head Capscrew 5 6 18 x 3 4 29 04001 08 Bolt Hex Head 5 16 18 x 3 4 30...

Page 60: ...58 1 2 3 4 5 6 7 8 9 10 11 12 13 11 2 15 15 14 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 18 34 33 32 WIRING HARNESS AND ELECTRICAL COMPONENTS 390S0120 ...

Page 61: ...7 04021 10 Hex Locknut Elastic Stop 5 16 18 18 48030 10 Clamp 19 04003 12 Carriage Bolt 5 16 18 x 3 4 20 481204 Electric Clutch 21 Fuel Pump Electric 22 481195 Actuator Deck Lift 23 Sender Oil Pressure 24 04025 02 Hex Nut M8 1 25 25 481335 Cap AlternatorTerminal 26 481190 Sender WaterTemperature 27 481177 Battery 28 481336 Cap Battery Terminal Black 29 481176 02 Battery Cable Black 30 481337 Cap B...

Page 62: ...3 4 5 2 6 7 9 8 17 10 11 14 11 13 14 16 13 16 19 20 21 37 34 14 33 21 22 25 18 15 38 24 36 25 40 41 27 24 28 21 32 11 26 27 14 21 11 41 30 31 6 35 12 14 39 39 25 25 23 29 40 40 40 CUTTER BRAKE LINKAGE 390S0121 ...

Page 63: ... Serr Fl Hex Head Capscrew 5 16 18 x 1 1 2 19 421805 Base Brake Assembly 20 481474 Switch Interlock 21 04019 04 Serr Fl Hex Nut 3 8 16 22 04001 31 Bolt Hex Head 3 8 16 x 2 1 2 23 46875 Lever Brake Engage Includes 24 25 24 48114 05 Grease Fitting Short 25 48100 04 Bushing Oilite 50 I D 26 44109 Rod Clutch Engage 27 04062 02 Cotter Pin Hair 080 x1 19 28 46876 Bellcrank Clutch Engage Includes 24 25 2...

Page 64: ...62 PARKING BRAKE LINKAGE 1 2 3 4 5 6 29 8 11 10 8 7 4 9 12 6 13 14 15 16 17 16 18 14 6 19 3 5 20 21 22 23 24 25 12 24 23 22 21 20 20 26 27 28 MAG008 30 6 8 7 6 31 32 4 3 33 16 24 16 8 6 34 35 ...

Page 65: ... 16 17 45781 Mounting Base Parking Brake 18 04001 21 Bolt Hex head 3 8 16 x 1 1 4 19 421338 Link Cam 20 04019 02 Serr Fl Hex Nut 1 4 20 21 04001 59 Bolt Hex Head 1 4 20 x 1 1 4 22 44108 Rod Brake Actuator 23 43032 Swivel 24 0462 02 Hair Pin Cotter 08 x 1 19 25 45705 Actuator Brake 26 04017 37 Serr Fl Hex Head Capscrew 1 2 13 x 1 3 4 27 04019 03 Serr Fl Hex Nut 5 16 18 28 04019 06 Serr Fl Hex Nut 1...

Page 66: ...64 1 2 3 4 7 5 6 8 30 7 23 26 27 34 9 35 10 11 29 18 12 13 25 38 17 23 26 27 30 36 14 39 16 17 18 19 20 21 23 19 24 22 21 31 28 37 33 28 32 15 THROTTLE LINKAGE 390S0123 ...

Page 67: ...01 10 Bolt Hex Head 5 16 18 x 1 1 4 19 04019 02 Serr Fl Hex Nut 1 4 20 20 481314 Spring Throttle Control 21 04019 03 Serr Fl Hex Nut 5 16 18 22 04001 39 Bolt Hex Head 5 16 18 x 2 1 4 23 04021 10 Hex Locknut Elastic Stop 5 16 18 24 04001 59 Bolt Hex Head 1 4 20 x 1 14 25 421997 Lever Throttle 26 04021 09 Hex Locknut Elastic Stop 3 8 16 27 48464 Ball Joint 3 8 24 RHThread 28 04040 04 Flatwasher 5 16...

Page 68: ...66 1 2 3 4 5 4 6 4 7 8 9 10 2 1 16 10 11 12 13 12 14 15 3 18 17 20 19 21 12 22 24 FORWARD REVERSE LINKAGE 390S0124 ...

Page 69: ... 10 04020 14 Hex Nut 3 8 24 11 04019 03 Serr Fl Hex Nut 5 16 18 12 43257 Bushing Spring Keeper 13 48463 Spring Neutral Return 14 48512 Bolt Neutral Adjustment 3 8 24 x 6 3 4 15 421148 Retainer Neutral Spring 16 48464 Ball Joint 3 8 24 RHThread 17 481102 Hydraulic Pump 18 04001 71 Bolt Hex Head 1 2 13 x 1 1 2 19 04030 06 Lockwasher 1 2 20 04020 07 Hex Nut 1 2 13 21 04010 11 Screw Round Head 10 32 2...

Page 70: ...68 1 2 23 27 8 3 5 6 7 9 10 9 31 4 16 15 16 16 15 17 16 13 18 16 15 19 16 21 16 15 22 14 20 16 23 24 25 26 14 11 16 16 15 FUEL TANK AND LINES 390S0125 29 28 30 ...

Page 71: ...ad Capscrew 1 4 20 x 3 4 14 04019 02 Serr Fl Hex Nut 1 4 20 15 481178 Hose Fuel Line 16 48136 05 Clamp Hose 17 481308 Valve Fuel Shutoff 18 Fuel Pump Electric 19 Fuel Filter Kubota P N 70000 43081 20 04017 17 Serr Fl Hex Head Capscrew 5 16 18 x 1 21 04019 03 Serr Fl Hex Nut 5 16 18 22 04021 08 Hex Locknut Elastic Stop 1 4 20 23 48059 03 Fuel Hose Clamp 3 16 24 481179 Hose Fuel Line 3 16 x 33 25 04...

Page 72: ...70 23 24 25 1 2 3 4 2 2 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 31 26 2 27 6 13 6 13 6 17 6 28 2 29 30 390S0126 6 HYDRAULIC CIRCUITS 16 ...

Page 73: ...lter Head 15 48758 Filter Hydraulic 16 48350 03 Elbow 90 17 48353 02 Coupling Hose 18 04021 10 Hex Nut Elastic Stop 5 16 18 19 04040 04 Flatwasher 5 16 344 x 688 x 065 20 481196 Relief Valve Dual Cross Over 21 04001 39 Bolt Hex Head 5 16 18 x 2 1 4 22 481199 Hose Assembly Pump to Valve 23 48571 03 Tube Cap 1 1 16 12 24 48937 02 Tee Run 3 4 x 3 4 25 48350 05 Elbow 90 7 8 14 JIC x 7 8 14 O ring 26 4...

Page 74: ...RKING BRAKE SWITCH CLUTCH SWITCH CUTTING HEIGHT ACTUATOR DECK LIFT ACTUATOR 390S0127 GRN GRN BLK ORN ORN BLK RED RED WHT BLK BLU BLU BLK GRN WHT RED BLK ORN WHT PINK BLK GLOW PLUG BATTERY STARTER SOLENOID SYNCHO START WHT BLK ORN ORN BLU BLK BLK BLK BLK PINK YEL BLK YEL BLK RED WHT A B C D E RED RED RED RED BLK BLK BLU BLK BLK RED BLK PINK WHT GRN WHT WHT ORN ORN BLK BLK BLK BLK BLK BLK WHT RED A ...

Page 75: ...EP ALL GUARDS IN PLACE SHUT OFF ENGINE DISENGAGE BLADE CLUTCH BEFORE 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 MULCHING KIT OR ENTIRE GRASS CATCHER INSTALLED 481040 DANGER SPINNING BLADE KEEP CLEAR CONTACT CAN INJURE 48071 48404 10 8 5 WARNING INS...

Page 76: ...eglect negligence or accident or that has been operatedinanywaycontrarytotheoperatinginstructionsasspecifiedintheOperator sManual Thewarrantydoesnotapply to any damage to the mower that is the result of improper maintenance or to any mower or parts that have not been assembled or installed as specified in the Operator s Manual and Assembly Manual The warranty does not cover any mower that has been...

Page 77: ...PART NO 03027 PRINTED 1 96 PRINTED IN USA 1996 SCAG POWER EQUIPMENT INC DIVISION OF METALCRAFT OF MAYVILLE ...

Search results

Summary of Contents for Magnum III

Reviews:

Brands by name

Popular brands

Scag Power Equipment Magnum III, Operator'S Manual

Search results

Summary of Contents for Magnum III

Reviews:

Brands by name

Popular brands