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14

TECHNICAL SPECIFICATIONS

ENGINES

General Type:

Heavy duty industrial/commercial

Brand:

Kohler 20 HP Command & 22 HP Command

Models:

CV20S, CV22S

Horsepower:

20HP @ 3600 RPM, 22HP @ 3600 RPM

Type:

4 cycle gas, twin cylinder, vertical shaft engine

Displacement:

20 HP= 624 cc, 22HP = 624 cc

Cylinders:

2 cast-iron sleeves

Governor:

Mechanical type governor with variable speed control set
at 3600 rpm (+75 rpm), idle set at 1400 rpm (+75 rpm)

Air Intake Group:

Large capacity dual element, chopper-type grass screen

Exhaust Group:

Single exhaust canister muffler

Fuel Pump Group:

Mechanical fuel pump with inline fuel filter, fixed jet
carburetor with Smart-Choke

 and fuel shutown solenoid

Oil Pump Group:

Positive displacement Gerotor

™ 

oil pump with remote oil

filter and 16-inch oil lines, capacity 2.0 U.S. quarts with
filter , standard oil cooler

Valve Group:

Hydraulic valve lifters standard

Starter/Electrical:

12 volt battery with alternator, solid state ignition with key

start

Charging System:

15 amp

ENGINE DECK

Fuel Tank:

5 gallon (19.0 litres) seamless polyethylene

Drive Wheels/Tires:

20x10.0-10 four-ply pneumatic tubeless, radius edge

Brakes:

Integral braking with drive system

Parking Brake:

Drum-type

Frame:

Hybrid tractor trailer frame with stabilized pivot

DRIVE SYSTEM

Type:

Hydro drive with one variable displacement pump and two
cast-iron high torque motors

Hydro Pump:

#15 cast-iron variable displacement pump with remote dump
valve for movement without running engine

Drive Wheel Motors:

12 cu. inch cast-iron high torque motors

Dump Valve:

Single lever allows for movement without engine running

Hydro Fluid Cooling Group:

Heavy-duty cooling radiator, 13 qt. capacity nylon cooling
reservoir, uses, SAE 10W30 fluid and 10 micron filter

Travel Control:

Hydro drive with single foot pedal for forward and reverse
speed control, infinitely variable speeds

Steering:

Aircraft-type yoke steering handle with stainless steel cable

Axles:

1-1/4" tapered motor shafts

Safety Group:

Foot actuated engine kill, brake interlock, blade/clutch
interlock switch

Instrument Panel:

Ammeter, hour meter, key switch, throttle, fuses, manual
choke, blade brake clutch switch

Forward Speed Range:

0 to 6.8 mph

Reverse Speed Range:

0 to 5.4 mph

Date of Issue:  November 30, 1997

Specifications Subject to Change Without Notice

Summary of Contents for STHM

Page 1: ...MANUAL CAN PROVIDE YOU WITH ASSIS TANCE IN MAINTENANCE AND ADJUST MENTPROCEDURESTOKEEPYOURMOWER PERFORMING TO MAXIMUM EFFICIENCY THE SPECIFIC MODELS THAT THIS BOOK COVERS ARE CONTAINED ON THE INSIDE C...

Page 2: ...at 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 awarenes...

Page 3: ...ficiency of your mower depends on you following the operating maintenance and adjustment instruc tions in this manual We encourage you to contact your dealer for repairs All Scag dealers are informed...

Page 4: ...spilled gasoline 7 Before attempting to start the engine move the blade engagement switch to the OFF position and apply the parking brake WHILE OPERATING 1 Start the engine when the cutter blades are...

Page 5: ...ion apply the parking brake and move the blade engagement switch to OFF Shut the engine OFF and remove the key MAINTENANCE AND STORAGE 1 Disconnect the spark plug wire from the spark plug to prevent a...

Page 6: ...s Lubri cant was applied at the factory This is just a precautionary check to make sure that all the fittings have been lubricated MOWER OPERATION NOTE Use gasoline with an octane rating no less than...

Page 7: ...bottom nut on the cable until it touches the bottom of the brake cable mount Tighten both the top and bottom nuts to lock the cable in place Repeat the above steps for the second brake cable Make sur...

Page 8: ...tep 4 4 If the drive wheels rotate in the forward travel direction turn the adjustment bolt clockwise until the tire rotation stops If the drive wheels rotate in the backward travel direction turn the...

Page 9: ...ne The wheels should rotate only when the foot control pedal is depressed CAUTION Figure 7 Cutter Deck Drive Belt Tension 3 To adjust blade drive belt Using a belt tension gauge check the belt tension...

Page 10: ...the cutting height can be achieved by repositioning the cutter deck in relation ship to the engine deck This adjustment also affects the pitch of the deck There are three positions for mounting the c...

Page 11: ...ON Figure 13 Blade Sharpening STEERING CABLE ROUTING When the steering cable is routed between the front pulley and the rear steering collar it is very important that the cable does not rub where it c...

Page 12: ...e Stations Lidok EP 2 found at industrial shops 1 Perform these maintenance procedures more frequently under extreme dusty or dirty conditions Break In 1st 10 Hours PROCEDURE Check all hardware for pr...

Page 13: ...ut Grass in Cutting Path Incorrect blade sharpening Sharpen blades Low engine RPM Run engine at full 3600 RPM Belt slipping Adjust belt tension Deck plugged grass accumulation Clean underside of deck...

Page 14: ...ing 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...

Page 15: ...d to 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 spindl...

Page 16: ...thylene Drive Wheels Tires 20x10 0 10 four ply pneumatic tubeless radius edge Brakes Integral braking with drive system Parking Brake Drum type Frame Hybrid tractor trailer frame with stabilized pivot...

Page 17: ...oppet Pulleys Cast iron with easily removed taper hubs Cutter Deck Belts B section with Kevlar cord ADDITIONAL SPECIFICATIONS Seat Foam padded lever adjustment forward and back with padded arm rests O...

Page 18: ...1 71 25 70 3 8 67 66 65 8 68 1 55 56 38 60 64 63 59 58 62 6 5 5 2 3 15 16 17 27 28 7 8 9 26 10 7 9 13 10 8 14 8 10 7 9 11 12 29 32 35 36 37 43 34 38 39 37 40 29 41 30 44 30 45 33 48 38 47 46 47 50 51...

Page 19: ...76 x 1 25 x 035 x x x 40 04050 02 Retaining Ring 75 EXT E x x x 41 43028 J Rod Idler Pulley x x 44078 J Rod Idler Pulley x 42 04001 10 Bolt 5 16 18 x 1 1 4 Hex Head x x x 43 04019 03 Nut 5 16 18 Ser F...

Page 20: ...2 19 29 50 16 76 78 79 91 81 92 19 73 69 68 54 70 67 86 87 89 16 83 83 16 16 16 96 19 19 94 19 18 19 95 19 16 3 14 17 12 93 18 38 13 8 7 7 5 6 4 39 2 22 26 15 90 39 29 21 1 9 88 85 63 59 60 52 32 49 4...

Page 21: ...4 Rim Only 50 04008 01 Bolt Hub 51 04028 01 Wheel Nut 52 48680 Castle Nut 1 0 20 UNEF 53 43261 Spacer Clutch Ref Part No Number Description 54 04063 06 Key 1 4 x 1 4 x 1 1 2 55 04012 04 Hex Socket Set...

Page 22: ...20 SGB027 UPPER HYDRAULICS 5 2 4 7 6 5 12 10 8 12 13 11 1 3 9 16 14 14 14 9 9 24 22 14 9 15 A 14 23 5 A 3 21 18 19 17 20...

Page 23: ...ow 90 Degrees 12 48603 02 O Ring 13 48936 02 Coupling Flare Swivel 14 04019 03 Serr Fl Hex Head Nut 5 16 18 15 421280 Brace L H Cooler Support 16 421281 Brace R H Cooler Support 17 04021 08 Elastic St...

Page 24: ...F C G D E J F B A H J I I LOWER HYDRAULICS 11 1 10 22 2 20 31 30 25 13 15 9 6 23 10 21 3 17 15 14 13 13 11 13 12 5 6 8 16 18 17 4 20 19 19 20 25 4 28 28 9 7 32 32 26 24 26 26 5 26 26 28 28 27 18 29 2...

Page 25: ...mp 14 48935 01 Tee Union Pushlock Hose 15 48482 Hose 1 4 Pushlock Order by the inch 16 48853 Hose Dump Valve 17 48350 05 Elbow 90 Deg 18 48856 Inlet Hose 3 4 ID 19 48937 01 Tee 1 2 Run 20 48905 Motor...

Page 26: ...24 10 11 14 15 12 13 17 16 18 17 14 20 8 5 9 21 10 23 24 11 13 15 2 26 14 8 5 7 6 5 4 5 4 31 30 28 11 27 3 1 6 31 CONTROL LINKAGE 29 19 25 12 sgb011...

Page 27: ...H Female THD 3 8 24 13 04021 09 Hex Locknut Elastic Stop 3 8 16 14 04020 14 Hex Nut 3 8 24 15 44044 ControlRod 16 48512 Bolt Hex Head 3 8 24 x 6 3 4 17 43257 Bushing Spring Keeper 18 48463 Spring Neut...

Page 28: ...8 7 2 C 21 3 9 6 20 4 9 10 14 15 12 21 15 5 13 19 10 A E F 11 17 16 17 18 18 9 24 21 26 23 22 28 30 31 32 33 29 27 31 32 33 35 34 36 36 INSTRUMENT PANEL AND ELECTRICAL COMPONENTS D 1 21 B 37 38 sgb01...

Page 29: ...14 48017 02 Ignition Key and Ring Assy 15 48158 Choke Control includes hardware 16 48879 ThrottleControl 17 04031 01 Lockwasher 10 Ext Tooth 18 04020 01 Hex Nut 10 32 19 48787 Switch PTO 20 Nut Specia...

Page 30: ...3 24 24 25 27 28 29 30 36 32 33 34 35 38 39 19 31 47 48 45 49 50 51 52 53 52 56 57 60 58 52 51 42 64 61 62 63 65 1 2 3 4 5 6 7 5 8 21 20 18 14 16 15 9 10 11 12 13 26 40 46 41 43 42 44 45 42 66 58 55 5...

Page 31: ...Y Ref Part No Number Description Ref Part No Number Description 1 46715 Steering Frame Includes Bshgs and Fittings 2 48100 01 Bronze Bushing 7 8 ID x 1 0 Flanged 3 04050 03 Retaining Ring 7 8 external...

Page 32: ...30 4 3 2 5 10 6 7 9 10 11 6 14 15 5 13 11 1 12 11 10 5 10 6 6 11 6 11 11 24 23 22 21 20 19 18 17 16 4 12 BRAKE LINKAGE 8 Deck Weldment 6 SGB050...

Page 33: ...0 04041 07 Flat Washer 3 8 391 x 938 x 105 11 04021 09 Hex Nut Elastic Stop 3 8 16 12 04003 11 Carriage Bolt 3 8 16 x 1 1 4 13 04001 21 Hex Head Bolt 3 8 16 x 1 3 4 14 421339 Lever Brake 15 04020 12 H...

Page 34: ...PANEL KEY SWITCH FOOT INTERLOCK SWITCH PTO SWITCH STARTER SOLENOID BATTERY ENGINE TO MAGNETO WHITE TO ALTERNATOR PURPLE BRAKE INTERLOCK SWITCH FUSE HOLDERS RELAY ELECTRICAL SYSTEM RED RED BLK WHT WHT...

Page 35: ...embly Incl 1 7 11 13 15 23 2 205155 Locknut 7 16 14 3 404409 Ratchet Pawl 4 205167 Ratchet Bolt 5 205024 Flatwasher 6 404166 Ratchet Spacer 7 204363 RatchetSpring 8 42127 CableGuide 9 48045 Winch Cabl...

Page 36: ...S MANUAL AND SAFETY INSTRUCTIONS 4 885 903 4 487 006 4 920 733 4 967 543 4 991 382 4 998 948 5 118 617 MANUFACTURED UNDER ONE OR MORE OF THE FOLLOWING PATENTS PATENTS PENDING 8 Ref Part No Number Desc...

Page 37: ...r accident or that has been operated in any way contrary to the operating instructions as specified in the Operator s Manual The warranty does not apply to any damage to the mower that is the result o...

Page 38: ...PART NO 03033 PRINTED 9 96 PRINTED IN USA 1996 SCAG POWER EQUIPMENT DIVISION OF METALCRAFT OF MAYVILLE INC...

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