Page 3 - SAFETY INSTRUCTIONS
1 SAFETY INSTRUCTIONS Do not operate mower on steep slopes. Riding lawn mowers can tip over when used on an excessive slope. To check a slope, attempt to back up with cutter deck down. If wheels slip when backing up slope, stay off the slope. If you are in doubt about hillside operation, stay off th...
Page 4 - SAFETY INSTRUCTIONS - CONT’D
2 25. Perform only the maintenance described in this manual. If additional maintenance or major repairs are needed, contact an authorized Scag Servicing Dealer. To ensure optimum performance and safety, always purchase genuine Scag replacement parts and accessories. Never use WILL FIT replace- men...
Page 5 - Figure 1; JAM NUT
3 HYDRAULIC SAFETY 1. Hydraulic fluid is under high pressure. If you need service on your hydraulic system, please see your dealer. Keep body and hands away from pin holes or nozzles that eject fluid under high pressure. Use paper or cardboard, not hands, to search for leaks. Hydraulic fluid escapin...
Page 6 - Neutral Adjustment Cont'd; neutral; Straight Line Running Adjustment; Figure 3
4 ADJUSTMENTS - CONT’D Neutral Adjustment Cont'd 6. Tighten the jam nut to secure the neutral position. 7. Adjust the other drive wheel if necessary. 8. Actuate the hand control levers forward and reverse. Allow the levers to self-center and check that the drive wheels remain in neutral. NOTE: The n...
Page 7 - Cutter Deck Drive Belts; NUT
5 3. To adjust RH blade drive belt: Adjust RH belt tension so belt moves 1/2" with 10 pounds pressure. Adjust tension by tightening or loosening J-bolt. (See Figure 6 for SMZ-52; See Figure 7 for SMZ-61 & SMZ-48) 4. Carefully unlatch foot plate support rod and lower foot plate. Drive Belt Re...
Page 8 - Drive Belt Replacement; ontrol Handle Position; Hand Control Handle Position
6 ADJUSTMENTS - CONT’D Drive Belt Replacement When replacing the drive system belt use ex-treme caution. The idler arm is under springtension. Remove the two 1/4" nuts on the belt guard and remove the guard. To remove the old belt, use a 1/2" drive breaker bar and insert it into the square h...
Page 9 - PULL UP; PARKING BRAKE
7 10. Release the parking brake. Check that the machine does not creep forward or backward. If the machine does creep, adjust the neutral control. See Neutral Adjustment instructions. CAUTION: Stop engine and remove key fromignition before making any adjustments. Waitfor all moving parts to come t...
Page 10 - Curb Climbing; MAINTENANCE; (See Figure 1 on page; Cutter Blades; LEAVE ORIGINAL; THE EDGE OF BLADE SHOULD
8 Sharpen blades as shown on Figures 10 and 11 . Figure 10 Do not sharpen (X) beyond 1/3 of blade width (Y). Figure 11 Suggestion: Dress blade with a file. Wheel grinder may burn the blade. Curb Climbing INITIAL RUN, INSPECTION, ANDOPERATING INSTRUCTIONS -CONT’D 12. Shut off the engine, remove the k...
Page 13 - CONDITION; Streaking - Strips of; TROUBLESHOOTING CUTTING CONDITIONS
11 Stringers - Occasional Low engine RPM Run engine at full 3600 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 deck Bel...
Page 14 - TROUBLESHOOTING; CAUSE; Sloping Ridge Across
12 CONDITION TROUBLESHOOTING CAUSE CURE Sloping Ridge Across Tire pressures not equal Check and adjust tire pressure Width of Cutting Path Wheels uneven Check and adjust tire pressure Deck mounted incorrectly See your authorized SCAG dealer Uneven Cut on Flat Lift worn off of blade Replace blade Gro...
Page 16 - SPECIFICATIONS FOR SCAG SSZ ZERO-TURN RIDER; ENGINE
14 SPECIFICATIONS FOR SCAG SSZ ZERO-TURN RIDER MODELS:SSZ-18CV, SSZ-20CV, SSZ-22CV, ALL SSZ-LT ENGINE General Type: Heavy duty industrial/commercial Brand: Kohler Model: Kohler 18CV, 20CV, 22CV Command Vertical Engine Horsepower: 18HP, 20HP, 22HP @ 3600 RPM Type: 4 cycle gas, twin cylinder, vertical...
Page 17 - CUTTER DECK
15 SPECIFICATIONS FOR SCAG SSZ ZERO-TURN RIDER MODELS:SSZ-18CV,SSZ-20CV, SSZ-22CV, ALL SSZ-LT CUTTER DECK SMZ 48, SMZ 52, SMZ 61 Type: Floating, adjustable, anti-scalping, hybrid design combinesout-front and belly-mount designs Construction: 10-gauge steel with 7-gauge (3/16") steel skirt True C...
Page 22 - SHEET METAL COMPONENTS
6 SHEET METAL COMPONENTS 16 20 19 23 14 21 50 10 15 25 12 29 25 30 26 9 64 32 67 35 7 55 63 54 51 53 52 61 24 57 1818A 11 60 31 42 45 49 47 46 45 42 44 1 38 1 25 6 4 4 5 8 2 39 41 36 58 28 10 34 37 25 59 43 41 48 62 3 3 13 22 5656A 14 25 10 17 27 10 25 65 SC216G 10 9 10 25 6832 65 33 29 10 25 14 23 ...
Page 23 - SHEET METAL COMPONENTS - CONT’D
7 SHEET METAL COMPONENTS - CONT’D 1 48100-08 Bushing X X X 2 48114-04 Grease Fitting X X X 3 43257 Bushing, Spring Keeper X X X 4 04062-02 Hair Pin, .08 Diameter x 1-3/16" X X X 5 04041-07 Flatwasher, 3/8" (.391 x .738 x .105) X X X 6 44062 Rod, Foot Plate Latch X X X 7 481086 Cable, Seat St...
Page 24 - HYDRAULIC COMPONENTS
8 HYDRAULIC COMPONENTS 15 1 2 19 21A 20A 40 36 SC217G 9 7 6 24 23 29 22 33 38 37 34 10 20 2 35 17 41 13 39 1 15 5 4 26 16 10 8 18 14 25 38 34 22 29 28 3 27 36 40 11 12 1 1 35 39 19 21 38 31 9 34 30 38 32 28
Page 25 - HYDRAULIC COMPONENTS - CONT’D
9 HYDRAULIC COMPONENTS - CONT’D 1 04030-03 Lockwasher, 5/16" X X X 2 04040-04 Flatwasher, 5/16" (.344 x .688 x .065) X X X 3 04017-05 Bolt, Serrated Flange Hex Head 1/4-20 x 3/4" X X X 4 48790 Pump, Pulley X X X 5 48791 Tapered Hub, 15 mm Bore X X X 6 48789 Fan X X X 7 421209 Washer, Bac...
Page 28 - TRACTION DRIVE COMPONENTS
12 TRACTION DRIVE COMPONENTS SC218GA 26 25 17 16 1 55 60 54 51 56 44 46 44 45 41 13 32 35 34 44 23 2 57 19 31 58 59 22 20 14 61 9 4 13 10 3 14 8 15 18 24 13 12 27 36 32 14 6 28 29 33 39 38 37 53 30 40 12 41 52 43 50 41 47 49 48 7 42 11 21 44 5 5 5 5 32
Page 30 - BRAKE AND STEERING CONTROLS
14 59 58 20 55 34 32 57 47 48 27 52 42 20 53 22 51 35 33 36 54 56 38 21 25 22 20 2626A 6262A 2828A 22 46 55A 66A 48 49 44 60 50 24 23 20 18 17 19 8 10 73 67 68 75 76 66 63 57 74 75 6969A 72 71 70 77 64 67 7 13 12 55A 11 19 20 21 22 47 43 44 14 15 9 16 12 39 2828A 2929A 31 38 37 61 22 45 2 1 3 4 30 4...
Page 31 - BRAKE AND STEERING CONTROLS - CONT’D
15 1 48827 Drive Wheel Assembly X 1 48958 Drive Wheel Assembly X X X 2 48827-02 Tire Only X X X 3 48321-04 Rim Only X 3 48958-03 Rim Only X X X 4 04028-01 Lug Nut, 1/2-20 X X X 5 481097 Axle, LH (Includes brake lever) X X X 5A 481098 Axle, RH (Includes brake lever) X X X 6 48784 Pump, LH X X X 6A 48...
Page 32 - INSTRUMENT PANEL AND ELECTRICAL COMPONENTS
16 INSTRUMENT PANEL AND ELECTRICAL COMPONENTS 31 37 17 24 41 38 37 11 12 22 19 14 33 6 2 13 9 8 32 4 7 5 16 12 11 35 34 10 14 18 39 1 25 15 27 26 28 27 29 26 30 2020A 21 3 23 24 36 37 SC220G 41
Page 34 - ELECTRICAL WIRING DIAGRAM - KOHLER
18 – + BATTERY ELECTRIC CLUTCH TO MAGNETO (WHITE) STARTER ENGINE HARNESS CONNECTORS RELAY RH NEUTRAL INTERLOCK SEAT INTERLOCK SWITCH LH NEUTRAL INTERLOCK CLUTCH SWITCH HOURMETER AMMETER FUSE FUSE KEY SWITCH INSTRUMENT PANEL TO ALTERNATOR (PURPLE) SC221G ELECTRICAL WIRING DIAGRAM - KOHLER BLACK BLACK...
Page 35 - REPLACEMENT DECALS
19 48404 48859 - Size 11.5" x 5.5" 48318-48"48319-52"48320-61" 48404 48072 HEAVY DUTY COMMERCIAL 48072 48623 - Size 12" x 3.25" 48556 - Size 12" x 3.25" 481041 REPLACEMENT DECALS 13 8 16 3 1 12
Page 36 - ROTATING BLADES AND BELTS; WARNING; INSTALL BELT COVER BEFORE; CAUTION
20 REPLACEMENT DECALS 481039 481040 481138 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 DISCHARGEKEEP BYSTANDERS, CHILDREN & PE...
Page 37 - SPRING TENSION ON IDLER; SEE OPERATOR'S MANUAL
21 REPLACEMENT DECALS MANUFACTURED UNDER ONE OR MORE OF THE FOLLOWING PATENTS: PATENTS PENDING 4,487,0064,885,9034,920,7334,967,543 4,991,3824,998,9484,118,617 48656 48656 48071 481042 481099 CAUTION: SPRING TENSION ON IDLER 481099 SEE OPERATOR'S MANUAL BEFORE DISASSEMBLY 48825 - Size 8.5" x 2&#...
Page 40 - LIMITED WARRANTY-COMMERCIAL EQUIPMENT
LIMITED WARRANTY-COMMERCIAL EQUIPMENT Any part of the Scag commercial mower manufactured by Scag Power Equipment and found, in the reasonable judgment 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 ...
