Page 3 - GENERAL INFORMATION; DIRECTION REFERENCE; Section 1; Figure 1-1 Tractor Serial Number Plate Location
1 GENERAL INFORMATION 1.1 INTRODUCTION 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 instructions in this manual. If additional information or service ...
Page 4 - SAFETY INFORMATION; READ THIS OPERATORS MANUAL BEFORE; Section 2
2 SAFETY INFORMATION 2.1 INTRODUCTION Your mower is only as safe as the operator. Carelessness or operator error may result in serious bodily injury or death. Hazard control and accident prevention are dependent upon the awareness, concern, prudence, and proper training of the personnel involved in ...
Page 5 - If the mower is driven on public roads, it must; DO NOT; OPERATION CONSIDERATIONS; DO NOT
3 10. DO NOT add fuel to a running or hot engine. Allow the engine to cool for several minutes before adding fuel. 11. Keep flammable objects (cigarettes, matches, etc.), open flames and sparks away from the fuel tank and fuel container. 12. Equipment must comply with the latest requirements per SAE...
Page 6 - MAINTENANCE CONSIDERATIONS; Hydraulic fluid is under high pressure.
4 Section 2 2.4 OPERATION CONSIDERATIONS (CONT'D) 3. To 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 whil...
Page 7 - SAFETY AND INSTRUCTIONAL DECALS; DANGER; SPINNING BLADE; ROTATING BLADES AND BELTS; WARNING; INSTALL BELT COVER BEFORE; KEEP BYSTANDERS AWAY; BEFORE OPERATING; PROCEDURE; FORWARD
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 CLEARKEEP ALL GUARDS IN PLACESHUT OFF ENGINE & DISENGAGE BLADECLUTCH BEFORE SERVICINGCLEAR AREA OF DEBRIS BEFORE MOWINGUSE C...
Page 8 - SPECIFICATIONS; Section 3; Carburetor with Smart-Choke and Fuel Shutdown Solenoid
6 SPECIFICATIONS Section 3 3.1 ENGINE General Type ............................................................................. Heavy Duty Industrial/Commercial Gasoline Brand ......................................................................................... Kohler, 22HP (Spec. #PS-76510) 25...
Page 9 - WEIGHTS AND DIMENSIONS; The machine will travel at 10mph for
7 3.3 TRACTOR (CONT'D) Travel Speed: Forward ................................................................................ 0-10 MPH Reverse ................................................................................. 0-5 MPH 3.4 CUTTER DECK Type: ................................................
Page 10 - Section 4
Page 11 - OPERATING INSTRUCTIONS; Figure 4-1 Controls and Instruments
8 Section 4 OPERATING INSTRUCTIONS Do not attempt to operate this mower unless youhave read this manual. Learn the location andpurpose of all controls and instruments before youoperate this mower. 4.1 CONTROLS AND INSTRUMENT IDENTIFICATION Before operating the mower, familiarize yourself with all mo...
Page 12 - Figure 4-2 Dump Valve Control; SAFETY INTERLOCK SYSTEM; Used on the
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 discharge condition and the machine should be taken in fo...
Page 13 - GROUND TRAVEL AND STEERING
1 0 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. Tighten as needed. 5. Check interlock system for proper operation. (See Section 4.2.) 6. Check tir...
Page 14 - Reverse Travel; Figure 4-3 Cutter Engage Switch
1 1 Section 4 To 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. To stop the reverse travel, allow the steering control levers to return to the neutral position....
Page 15 - HILLSIDE OPERATION; Do not wash a hot or running engine. Cold
1 2 Section 4 4.7 HILLSIDE OPERATION DO NOT operate on steep slopes. To check a slope,attempt to back up it (with the cutter deck down).If the machine can back up the slope without thewheels slipping, reduce speed and use extremecaution. ALWAYS FOLLOW OSHA APPROVEDOPERATION. 1. The mower has been de...
Page 16 - REMOVING CLOGGED MATERIAL; ROTATING BLADES; RECOMMENDATIONS FOR MOWING
1 3 Section 4 4.10 REMOVING CLOGGED MATERIAL ROTATING BLADES NEVER PUT YOUR HANDS INTO THE DISCHARGECHUTE FOR ANY REASON! Shut off the engine andremove the key and only then use a stick or similarobject to remove material if clogging has occurred. 1. If the discharge chute becomes clogged, shut off ...
Page 17 - ADJUSTING CUTTING HEIGHT; Figure 4-7 Deck Release Lever; Figure 4-6 Adjusting Cutting Height
1 4 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. To adjust the cutting height: Do not adjust the cutting height with the mowerblades rotating. Disengage the power to the cutterblades and then adjust cutting height. ...
Page 18 - Section 5; Stringers - Occasional; CONDITION; Streaking - Strips of; TROUBLESHOOTING CUTTING CONDITIONS
Section 5 15 Stringers - Occasional Low engine RPM Run engine at full RPM Blades of UncutGrass 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 dec...
Page 19 - Uneven Cut on Flat; Uneven Cut on
Section 5 16 Uneven Cut on Flat Lift worn from blade Replace blade Ground - WavyHigh-Low Blade upside down Mount with cutting edge toward Appearance, ground Scalloped Cut, orRough Contour Deck plugged, grass accumulation Clean underside of deck Too much blade angle (deck pitch) Adjust pitch and leve...
Page 20 - the Ground
Section 5 17 Scalping - Blades Low tire pressures Check and adjust pressures Hitting Dirt orCutting Very Close to G round speed too fast Slow speed to adjust for conditions the Ground Cutting too low May need to reduce ground speed, raise cutting height, change direction of cut, and/or change pitch ...
Page 21 - Section 6; ADJUSTMENTS; PARKING BRAKE ADJUSTMENT; If this proceedure does not achieve proper brake; TRAVEL ADJUSTMENTS
Section 6 18 ADJUSTMENTS 6.1 PARKING BRAKE ADJUSTMENT WARNING: Do not operate the mower if the parking brake isnot operable. Possible severe injury couldresult. The parking brake linkage should be adjusted whenever the parking brake lever is placed in the ENGAGE position and the parking brake will...
Page 22 - Neutral Adjustment; Figure 6-3. RH Steering Control Rod Adjustment
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. (Tracking Adjustment, See Page 20). Neutral Adjustment 1. Be sure the dump valve levers are in the run position and the steering control le...
Page 23 - Tracking Adjustment
Section 6 20 Tracking Adjustment Stop the engine and remove the key from theignition before making any adjustments. Waitfor all moving parts to come to a complete stopbefore beginning work. The engine and drive unit can get hot duringoperation causing burn injuries. Allow engineand drive components ...
Page 24 - CUTTER DECK ADJUSTMENTS
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. -NOTE- Before proceeding with the cutter deck adjustments,...
Page 25 - Cutter Deck Height; Figure 6-6. Cutter Deck Height Adjustment; If an adjustment had to be made, be sure that the
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. To check for proper deck height, be sure that the mower is on a flat, level surface and the tires are properly inflated. 1. P...
Page 26 - Section 7; MAINTENANCE; MAINTENANCE CHART - RECOMMENDED SERVICE INTERVALS; HOURS
Section 7 23 MAINTENANCE 7.1 MAINTENANCE CHART - RECOMMENDED SERVICE INTERVALS * Perform these maintenance procedures more frequently under extreme dusty or dirty conditions HOURS Break-In 8 40 100 200 500 Procedure Comments (First 10) X Check all hardware for tightness X Check hydraulic oil level S...
Page 27 - Compatible Greases: Mobilix #2 found at Mobil Service Stations; LUBRICATION
24 Section 7 + Compatible Greases: Mobilix #2 found at Mobil Service Stations Ronex MP found at Exxon Service StationsSuper Lube MEP #2 & Super Stay-M #2 found at Conoco StationsShell Alvania #2 found at Shell Service StationsLidok EP #2 found at industrial shops MAINTENANCE CHART - RECOMMENDED ...
Page 28 - Figure 7.1 Lubrication Fitting Points
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 ) CHASSIS GREASE( 200 HOURS / MONTHLY ) 4 1 6 3 5 7 2 1 8 4 2 5 3 9 9 CHASSIS GREASE( 500 HOURS / YEARL...
Page 29 - A. Checking Hydraulic Oil Level; Figure 7-2 Hydraulic Oil Reservoir
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. - I M P O R T A N T - If the oil level is consis...
Page 30 - A. Checking Engine Crankcase Oil Level; Figure 7-4 Engine Fill Stick; C. Changing Hydraulic Oil Filter Element; Figure 7-3 Hydraulic Oil Filter; B. Changing Engine Crankcase Oil; Figure 7-5 Drain Plug Location
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 Operators Manual furnished with this mower. Figure 7-4 Engine Fill Stick 390S0155 HYDRAULIC OIL FILTER 390S0156 ENGINE OIL ...
Page 31 - C. Changing Engine Oil Filter; Figure 7-7 Fuel Filter; ENGINE AIR CLEANER; Remove the wing nut securing the air cleaner cover
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 Operators Manual for instructions. 7.5 ENGINE FUEL SYSTEM A. ...
Page 32 - BATTERY ELECTROLYTE FIRST AID; B. Charging the Battery
Section 7 29 Electric storage battery fluid containssulfuric acid which is POISON and cancause SEVERE CHEMICAL BURNS. Avoidcontact of fluid with eyes, skin, or clothing.Use proper protective gear when handlingbatteries. DO NOT tip any battery beyond45° angle in any direction. If fluid contactdoes oc...
Page 33 - If you experience frequent belt wear or breakage,
30 Section 7 WARNING: BATTERIES PRODUCE EXPLOSIVE GASES.Charge the battery in a well ventilated spaceso gases produced while charging candissipate. Charging rates between 3 and 50 amperes are satisfactory if excessive gassing or spewing of electrolyte does not occur or the battery does not feel exce...
Page 34 - Figure 7-9 Blade Sharpening
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. C. Blade Replacement 1. Remove the ign...
Page 35 - CUTTER DECK GEARBOX; Figure 7-12 Cutter Deck Gearbox; KAWASAKI COOLING SYSTEM; Figure 7-13 Cutter Deck Gearbox
32 Section 7 T h e c u t t e r d e c k g e a r b o x c a n r e a c h h i g hoperating temperatures. Allow the cutter deckgearbox to cool before servicing. CAUTION: 7.11 CUTTER DECK GEARBOX A. Checking Lubricant Level The fluid level in the cutter deck gearbox (Figure 7-12) should be checked after ev...
Page 36 - B. Cleaning the Radiator Debris Screen
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 andthe coolant replaced every 500 hours of op-eration or annually. See your Scag dealer forproper coolant replacement. B. Cleaning the Radiator Debris Screen ...
Page 37 - Section 8
Page 39 - Description
3 5 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, Bottom x x 42 43297 Spindle Bushing, Bottom x x 43 481035 Nut, Special 1 - 1/16-18 x x 44 48114-04 Gre...
Page 42 - SHEET METAL COMPONENTS
3 8 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 44 45 15 51 53 52 27 28 56
Page 44 - DECK DRIVE COMPONENTS
4 0 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 48 17 36 63 62 57 67 29 8 6 7 14 53 52 50 51 4 46 29 48 44 43 31 12 15 25 16 49 A C B B C FRAME 30 ...
Page 46 - ENGINE AND ATTACHING PARTS - KOHLER
4 2 Section 8 STT99EAP-KH ENGINE AND ATTACHING PARTS - KOHLER 1 3 7 88A 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
Page 48 - ENGINE AND ATTACHING PARTS - KAWASAKI
4 4 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
Page 50 - BRAKE AND STEERING COMPONENTS
4 6 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 22 50 61 59 9 22 34 35 TO RH PUMP TO LH PUMP 37 36 27 28 35 33 3 34 31 30 29 10 9 6 32 7 13 B 24 9...
Page 52 - FUEL AND HYDRAULIC SYSTEM
4 8 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 20 16 5 7 17 13 12 11 10 9 8 15 29 4 41 20 43 31 32 16 40 18 24 20 39 15 42 20 22 42 20 38 36 15 37 ...
Page 58 - HYDRAULIC PUMP ASSEMBLY; Overhaul Seal Kit
5 4 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
Page 60 - HEAVY DUTY
5 6 Section 8 REPLACEMENT DECALS AND INFORMATION PLATES 1 2 3 5 8 6 4 9 12 13 14 7 ROTATING BLADES AND BELTS WARNING KEEP HANDS, FEET & CLOTHING CLEARKEEP ALL GUARDS IN PLACESHUT OFF ENGINE & DISENGAGE BLADECLUTCH BEFORE SERVICINGCLEAR AREA OF DEBRIS BEFORE MOWINGUSE CAUTION IN DIRECTING DIS...
Page 61 - REPLACEMENT DECALS AND INFORMATION PLATES
5 7 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 Control 7 48072 Decal, Heavy Duty Commercial 8 48404 Decal, MetalCraft-Made In USA 9 481039 Decal, Be...
Page 64 - LIMITED WARRANTY-COMMERCIAL EQUIPMENT; performed by an Authorized Scag Service Dealer.
LIMITED WARRANTY-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 an...
