Manuals / MB QUART / Lawn and Garden / Lawn Mower

MB QUART SCR manual Specifications, Engine, Electrical, Tractor, Section

Models: SCR

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	Section 3
	SPECIFICATIONS
3.1 ENGINE
General Type	Heavy Duty Industrial/Commercial Gasoline
Brands	Kohler & Kawasaki
Model	25 HP Kohler Command CH25S & 27HP Kawasaki FD750D
Horsepower	25 HP at 3600 RPM (SCR42-25CH, SCR48-25CH & SCR52-25CH)
...................................................................................................	27HP at 3600 RPM (SCR48-27KA & SCR52-27KA)
Type	4 Cycle Gasoline, Twin Cylinder, Horizontal Shaft
Displacement	Kohler - 725 cc. & Kawasaki - 745cc
Cylinders	2 with Cast Iron Sleeves
Governor	Mechanical Type with Variable Speed Control Set At 3600 RPM
Idle Speed	1400 RPM
Fuel Pump Group	Mechanical Fuel Pump with In-Line Fuel Filter, Fixed Jet
	Carburetor with Smart-Choke™ and Fuel Shutdown Solenoid
Fuel	Non-Leaded Gasoline with a Minimum Octane Rating of 87
Oil Pump Group:	Positive Displacement Gerotor™ Oil Pump w ith Remote Oil Filter
Starter	Electric Starting with Cell Starter
Belts:
Engine Belt	Scag Part Number - 481976
Blower Drive Belt	Scag Part Number - 481977
Pump Drive Belt	Scag Part Number - 481978
3.2 ELECTRICAL
Battery	12 Volt
Charging System	Alternator
Charging Output	12 Volt, 15 Amp
System Polarity	Negative Ground
Starter	12 Volt Electric Solenoid Shift Type
Interlock Switches	Seat, Neutral Control, Mower Engagement (BBC), Hopper and
	Parking Brake
Instrument Panel	Ammeter, Hourmeter, Key Switch, Throttle Lever, Manual Choke,
	BBC Lever, Fuses, and Water Temp Gauge (KA Only)
Fuses	Two (2) 20 Amp
3.3 TRACTOR
Drive System	Hydraulic Drive with Two Variable Displacement Pumps and Two
	Cast-iron High Torque Motors
Hydrostatic Pumps	Two Hydro-Gear  BDP 10L Pumps with Dump Valves for
	movement without running the engine
Drive Wheel Motors	Two Ross Model MB 15cu. inch Cast-iron High Torque Motors
Steering/Travel Control	Twin Lever Fingertip Steering Control with Individual Control to
	Each Wheel
Parking Brake	Lever Actuated Linkage to Brakes on Both Drive Wheel Axles
Wheels:
(2) Front Caster	11 x 4.0-5 Smooth Tires
(2) Drive	23 x 9.5-12 Four-Ply Pneumatic Tubeless, Radius Edge
(1) Rear
Fuel Tank	Two, 3.75 gallon Polyethylene Tanks with Large Fuel Tank filler
	neck and Fuel Gauge Fill Caps
Tire Pressure:
Front Caster	25 PSI
Drive	12 PSI
Rear	25 PSI
Seat	Padded
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MB QUART SCR manual Specifications, Engine, Electrical, Tractor, Section

Contents

OPERATOR’S MANUAL MODELMAY RESULT IN SERIOUS INJURY REMEMBER - YOUR MOWER IS ONLY AS SAFE AS THE OPERATORFAILURE TO FOLLOW SAFE OPERATING PRACTICES SCR42-25CH SCR48-27KA SCR48-25CH SCR52-25CH SCR52-27KA1.1 INTRODUCTION GENERAL INFORMATIONSection 1.2 DIRECTION REFERENCEDESCRIPTION SYMBOLSYMBOL DESCRIPTIONFast 2.1 INTRODUCTION SAFETY INFORMATION2.2 SIGNAL WORDS 2.3 BEFORE OPERATION CONSIDERATIONSSection 2.4 OPERATION CONSIDERATIONSHILLSIDE, MOW UP AND DOWN THE FACE OF SLOPES, NEVER ACROSS THE FACE 2.5 MAINTENANCE CONSIDERATIONS SectionSection 2.6 SAFETY AND INSTRUCTIONAL DECALSINSTALL BELT COVER BEFORE OPERATING MACHINE READ OPERATORS MANUAL3.2 ELECTRICAL SPECIFICATIONS3.1 ENGINE 3.3 TRACTOR3.4 CUTTER DECK 3.7 WEIGHTS AND DIMENSIONS3.3 TRACTOR CONTD 3.5 GRASS CATCHING SYSTEM4.1 CONTROLS AND INSTRUMENT IDENTIFICATION OPERATING INSTRUCTIONSSection Section 4.2 SAFETY INTERLOCK SYSTEMSCR 2K BBR Section 4.4 STARTING THE ENGINE4.5 GROUND TRAVEL AND STEERING Start practice with a slow engine speed and slow forward travelSection Forward TravelReverse Travel Figure 4-4 Hands On Controls4.7 HILLSIDE OPERATION 4.6 ENGAGING THE DECK DRIVE CUTTER BLADESSection 4.9 AFTER OPERATION 4.10 HOPPER, MULCH or SIDE DISCHARGE OPERATION4.8 PARKING THE MOWER SectionGrass Catching Operation SectionSide Discharge Operation ROTATING BLOWER BLADESMulching Operation 4.11 REMOVING CLOGGED MATERIAL4.13 RECOMMENDATIONS FOR MOWING 4.14 ADJUSTING CUTTING HEIGHT4.12 MOVING MOWER WITH ENGINE STOPPED Section4.15 TILTING THE CUTTER DECK SectionCAUSE TROUBLESHOOTING CUTTING CONDITIONSCONDITION CURECONDITION TROUBLESHOOTING CONTDSection CAUSECONDITION Section TROUBLESHOOTING CONTDthe Ground CAUSE6.1 PARKING BRAKE ADJUSTMENT ADJUSTMENTSSection Section Neutral Adjustment6.2 TRAVEL ADJUSTMENTS Figure 6-4 Speed Control LeverTracking Adjustment Section6.3 THROTTLE CONTROL AND CHOKE ADJUSTMENT Cutter Deck Engagement Belt AdjustmentSteering Handle Adjustment 6.4 BELT ADJUSTMENT6.6 CUTTER DECK ADJUSTMENTS SectionProcedure MAINTENANCE7.1 MAINTENANCE CHART - RECOMMENDED SERVICE INTERVALS SectionProcedure MAINTENANCE CHART - RECOMMENDED SERVICE INTERVALS CONTD7.2 LUBRICATION GREASE FITTING LUBRICATION CHART SEE FIGURE SectionSection Lidok EP #2 found at industrial shopsA. Checking Engine Crankcase Oil Level 7.3 HYDRAULIC SYSTEM A. Checking Hydraulic Oil Level7.4 ENGINE OIL B. Changing Hydraulic Oil7.5 ENGINE FUEL SYSTEM B. Changing Engine Crankcase OilC. Changing Engine Oil Filter A. Filling the Fuel TankA. Cleaning and/or Replacing Air Cleaner Element 7.7 BATTERY A. Checking Electrolyte Level and Cleaning Battery7.6 ENGINE AIR CLEANER SectionBATTERY ELECTROLYTE FIRST AID EXTERNAL CONTACT - Flush with water B. Charging the BatteryC. Jump Starting SectionB. Blade Sharpening C. Blade Replacement7.8 DRIVE BELTS 7.9 CUTTER BLADES A. Blade Inspection7.12 CUTTER DECK GEARBOX A. Checking Lubricant Level 7.10 TIRES7.11 HOPPER B. Changing LubricantSection 7.13 POWER UNIT GEARBOX A. Checking Lubricant LevelFigure 7-10 Gearbox Drain Plug B. Changing Lubricant 7.14 BODY, DECK, HOPPER AND UPHOLSTERYSection FLUID LEVELPage SCR 2K CD CUTTER DECKSTo Gearbox Part CUTTER DECKSPart Number28 29 30 CUTTER DECK SUPPORT COMPONENTSSCR 2001 CDSC Number CUTTER DECK SUPPORT COMPONENTSPart DescriptionSHEET METAL SCR 2K SMCPart SHEET METALPart NumberBLOWER ASSEMBLY SCR 2K BLOWERPart BLOWER ASSEMBLYPart NumberENGINE PART OFENGINE ENGINEPart ENGINE AND ATTACHING PARTSPart NumberEngine Block TRACTION DRIVE COMPONENTS1620 To Back ofPart TRACTION DRIVE COMPONENTSDescription HYDRAULIC PUMP 390S0167Part HYDRAULIC PUMPDescription CUTTER DECK DRIVE GEARBOX 2002 SCR CDDGCUTTER DECK DRIVE GEARBOX Ref. Part No. No. DescriptionSPEED AND STEERING CONTROLS SCR 2K SSCPart SPEED AND STEERING CONTROLSDescription PARKING BRAKE MECHANISM SCR 2002 PBLPart PARKING BRAKE MECHANISMDescription FUEL AND HYDRAULIC COMPONENTS SCR 2002 FHCFUEL AND HYDRAULIC COMPONENTS Ref. Part No. Number Description19 A KOHLER ELECTRICAL SYSTEMTO HOPPER HARNESS SCR 2001 EKHPart KOHLER ELECTRICAL SYSTEMPart NumberKAWASAKI ELECTRICAL SYSTEM SCR 2001 EKAPart KAWASAKI ELECTRICAL SYSTEMPart NumberTo Frame HOPPERSCR 2002 HC Part HOPPERPart NumberHOPPER ACTUATOR MECHANISM SCR 2002 HARef. Part No. Number Description HOPPER ACTUATOR MECHANISM1 481254 Motor, Actuator START / DRIVE PROCEDURE REPLACEMENT DECALS AND INFORMATION PLATESINSTALL BELT COVER BEFORE OPERATING MACHINE DANGERDescription REPLACEMENT DECALS AND INFORMATION PLATESPart 482285KOHLER ELECTRICAL SCHEMATIC BLUE/WHITELIMITED WARRANTY - COMMERCIAL EQUIPMENT PRINTED 3/02 SCAG POWER EQUIPMENT2002 DIVISION OF METALCRAFT OF MAYVILLE, INCWHITE/BLACK KAWASAKI ELECTRICAL SCHEMATICCARB BLUE/WHITE