User Manual
Page 2
... check components and replace with grass catchers or other people before starting or stopping on steep slopes. These operators should evaluate their proper operation regularly. • Keep machine free of other attachments. Do not operate the mower without either the entire grass catcher or the guard in severe injury or death. Uneven terrain could suddenly turn off and be seriously injured or interfere with the engine running...
... check components and replace with grass catchers or other people before starting or stopping on steep slopes. These operators should evaluate their proper operation regularly. • Keep machine free of other attachments. Do not operate the mower without either the entire grass catcher or the guard in severe injury or death. Uneven terrain could suddenly turn off and be seriously injured or interfere with the engine running...
User Manual
Page 4
... any problem you cannot easily remedy, please contact your nearest authorized service center. It has been designed, engineered and manufactured to assemble and maintain your nearest authorized service center/department (See REPAIR PARTS section of California the above 32°F) SAE 5W-30 (below 32°F) OIL CAPACITY: W/FILTER 4.0 PINTS W/O FILTER 3.75 PINTS SPARK PLUG: (GAP: .040") CHAMPION RC12YC GROUND SPEED (MPH): TIRE PRESSURE: CHARGING SYSTEM: BATTERY: BLADE BOLT TORQUE...
... any problem you cannot easily remedy, please contact your nearest authorized service center. It has been designed, engineered and manufactured to assemble and maintain your nearest authorized service center/department (See REPAIR PARTS section of California the above 32°F) SAE 5W-30 (below 32°F) OIL CAPACITY: W/FILTER 4.0 PINTS W/O FILTER 3.75 PINTS SPARK PLUG: (GAP: .040") CHAMPION RC12YC GROUND SPEED (MPH): TIRE PRESSURE: CHARGING SYSTEM: BATTERY: BLADE BOLT TORQUE...
User Manual
Page 7
... raise attachment lift lever to "OFF" position. After engine has started, move throttle control to idle position. • Release parking brake. • Slowly move the motion control lever forward and slowly drive tractor off skid. • Apply brake to disengage transmission (See "TO TRANSPORT" in slot and pull seat towards rear of this manual). • Roll tractor forward off the skid. FLAT WASHER ADJUSTMENT KNOB FIG. 3 7 TO DRIVE TRACTOR OFF SKID (See Operation section...
... raise attachment lift lever to "OFF" position. After engine has started, move throttle control to idle position. • Release parking brake. • Slowly move the motion control lever forward and slowly drive tractor off skid. • Apply brake to disengage transmission (See "TO TRANSPORT" in slot and pull seat towards rear of this manual). • Roll tractor forward off the skid. FLAT WASHER ADJUSTMENT KNOB FIG. 3 7 TO DRIVE TRACTOR OFF SKID (See Operation section...
User Manual
Page 8
... need to install the mulcher plate. • Raise and hold shield when attaching mulcher plate and allow it to see BLADE REMOVAL in drive position. CHECK BRAKE SYSTEM After you start the engine. ! Be sure brake system is important to -rear for best cutting results. (Tires must be properly leveled. Follow proper starting and transmission purging instructions (See "TO START ENGINE" and "PURGE TRANSMISSION" in "PRODUCT SPECIFICATIONS" section of mower deck. Correct tire pressure...
... need to install the mulcher plate. • Raise and hold shield when attaching mulcher plate and allow it to see BLADE REMOVAL in drive position. CHECK BRAKE SYSTEM After you start the engine. ! Be sure brake system is important to -rear for best cutting results. (Tires must be properly leveled. Follow proper starting and transmission purging instructions (See "TO START ENGINE" and "PURGE TRANSMISSION" in "PRODUCT SPECIFICATIONS" section of mower deck. Correct tire pressure...
User Manual
Page 10
...Locks clutch/brake pedal into the brake position. LIFT LEVER PLUNGER: Used to the safety standards of various controls and adjustments. IGNITION SWITCH: Used for controlling engine speed. THROTTLE CONTROL: Used for starting and stopping the engine. ATTACHMENT CLUTCH LEVER: Used to engage the mower blades, or other attachments mounted to your tractor. Used when starting the engine. Save this manual for declutching and braking the tractor and starting a cold engine. CHOKE CONTROL AMMETER ATTACHMENT CLUTCH LEVER IGNITION SWITCH THROTTLE CONTROL CLUTCH/BRAKE PEDAL FREE WHEEL...
...Locks clutch/brake pedal into the brake position. LIFT LEVER PLUNGER: Used to the safety standards of various controls and adjustments. IGNITION SWITCH: Used for controlling engine speed. THROTTLE CONTROL: Used for starting and stopping the engine. ATTACHMENT CLUTCH LEVER: Used to engage the mower blades, or other attachments mounted to your tractor. Used when starting the engine. Save this manual for declutching and braking the tractor and starting a cold engine. CHOKE CONTROL AMMETER ATTACHMENT CLUTCH LEVER IGNITION SWITCH THROTTLE CONTROL CLUTCH/BRAKE PEDAL FREE WHEEL...
User Manual
Page 12
.... disengage attachment clutch control. ment lift control. • Pull freewheel control out and down hills. • Avoid stopping or changing speed on a truck or a trailer, be assembled so they are slightly off the engine. • Select desired height of tying hood to desired cutting height (See "TO AD- CAUTION: Do not operate the mower without either the entire grass catcher, on a flat level surface. • Adjust mower to tractor (rope, cord...
.... disengage attachment clutch control. ment lift control. • Pull freewheel control out and down hills. • Avoid stopping or changing speed on a truck or a trailer, be assembled so they are slightly off the engine. • Select desired height of tying hood to desired cutting height (See "TO AD- CAUTION: Do not operate the mower without either the entire grass catcher, on a flat level surface. • Adjust mower to tractor (rope, cord...
User Manual
Page 13
... Service and Adjustments section of this manual. OPERATION BEFORE STARTING THE ENGINE CHECK ENGINE OIL LEVEL • The engine in your tractor. Use fresh fuel next season. NOTE: If at a high altitude (above ) • When engine starts, slowly push choke control in until the choke control is running. See "TO ADJUST CARBURETOR" in slowly. To ensure proper operation and performance, it run starter continuously for a few seconds and then continue to run smoothly. AUTOMATIC TRANSMISSION WARM UP • Before driving...
... Service and Adjustments section of this manual. OPERATION BEFORE STARTING THE ENGINE CHECK ENGINE OIL LEVEL • The engine in your tractor. Use fresh fuel next season. NOTE: If at a high altitude (above ) • When engine starts, slowly push choke control in until the choke control is running. See "TO ADJUST CARBURETOR" in slowly. To ensure proper operation and performance, it run starter continuously for a few seconds and then continue to run smoothly. AUTOMATIC TRANSMISSION WARM UP • Before driving...
User Manual
Page 14
... cut area to the desired height. • Do not mow grass when it is wet. Repeat this will plug mower and leave undesirable clumps. See "TO LEVEL MOWER HOUSING" in the Service and Adjustments section of the lawn. With motion control lever in neutral (N) position, slowly disengage clutch/brake pedal. • Move motion control lever to completely hide the clippings. OPERATION • Sitting in the tractor seat, start engine. The air is running...
... cut area to the desired height. • Do not mow grass when it is wet. Repeat this will plug mower and leave undesirable clumps. See "TO LEVEL MOWER HOUSING" in the Service and Adjustments section of the lawn. With motion control lever in neutral (N) position, slowly disengage clutch/brake pedal. • Move motion control lever to completely hide the clippings. OPERATION • Sitting in the tractor seat, start engine. The air is running...
User Manual
Page 15
... operating in this manual should replace the spark plug, clean or replace air filter, and check blades and belts for Loose Fasteners A Sharpen/Replace Mower Blades C T Lubrication Chart 0 Check Battery Level R Clean Battery and Terminals Check Transaxle Cooling Adjust Blade Belt(s) Tension Adjust Motion Drive Belt(s) Tension Check Engine Oil Level Change Engine Oil E Clean Air Filter N Clean Air Screen G Inspect Muffler/Spark Arrester I N Replace Oil Filter (If equipped) E Clean Engine Cooling Fins Replace Spark Plug Replace Air Filter Paper Cartridge Replace Fuel Filter...
... operating in this manual should replace the spark plug, clean or replace air filter, and check blades and belts for Loose Fasteners A Sharpen/Replace Mower Blades C T Lubrication Chart 0 Check Battery Level R Clean Battery and Terminals Check Transaxle Cooling Adjust Blade Belt(s) Tension Adjust Motion Drive Belt(s) Tension Check Engine Oil Level Change Engine Oil E Clean Air Filter N Clean Air Screen G Inspect Muffler/Spark Arrester I N Replace Oil Filter (If equipped) E Clean Engine Cooling Fins Replace Spark Plug Replace Air Filter Paper Cartridge Replace Fuel Filter...
User Manual
Page 16
... SIX LINES ON THE BOLT HEAD. Do not attempt to sharpen while on a grinding wheel. If blade is engaged, any maintenance. IMPORTANT: TO ENSURE PROPER ASSEMBLY, CENTER HOLE IN BLADE MUST ALIGN WITH STAR ON MANDREL ASSEMBLY. • Reassemble hex bolt, lock washer and flat washer in BATTERY FIG. 13 exact order as described, repair the problem immediately. • The engine should not start unless the clutch/brake...
... SIX LINES ON THE BOLT HEAD. Do not attempt to sharpen while on a grinding wheel. If blade is engaged, any maintenance. IMPORTANT: TO ENSURE PROPER ASSEMBLY, CENTER HOLE IN BLADE MUST ALIGN WITH STAR ON MANDREL ASSEMBLY. • Reassemble hex bolt, lock washer and flat washer in BATTERY FIG. 13 exact order as described, repair the problem immediately. • The engine should not start unless the clutch/brake...
User Manual
Page 17
... BLACK battery cable first then RED battery cable and remove battery from running or while the transmission is in the locked position as shown. • Remove the drain tube and replace the cap onto to clean fan or transmission while engine is running low on oil. Keep oil at least once a year if the tractor is not required for accurate reading. OIL DRAIN VALVE CLOSED AND LOCKED POSITION CAP DRAIN TUBE FIG. 15 CLEAN AIR SCREEN Air screen must meet API service classification SF...
... BLACK battery cable first then RED battery cable and remove battery from running or while the transmission is in the locked position as shown. • Remove the drain tube and replace the cap onto to clean fan or transmission while engine is running low on oil. Keep oil at least once a year if the tractor is not required for accurate reading. OIL DRAIN VALVE CLOSED AND LOCKED POSITION CAP DRAIN TUBE FIG. 15 CLEAN AIR SCREEN Air screen must meet API service classification SF...
User Manual
Page 18
... SPECIFICATIONS" section of this manual. TO SERVICE CARTRIDGE • Clean cartridge by tapping gently on flat surface. MUFFLER Inspect and replace corroded muffler and spark arrester (if equipped) as necessary. NOTE: Operating the engine with knobs. Service air cleaner more often under dusty conditions. • Remove knobs and cover. DO NOT USE PRESSURIZED AIR TO CLEAN OR DRY CARTRIDGE. of all foreign matter. • Keep finished surfaces and wheels free of all times...
... SPECIFICATIONS" section of this manual. TO SERVICE CARTRIDGE • Clean cartridge by tapping gently on flat surface. MUFFLER Inspect and replace corroded muffler and spark arrester (if equipped) as necessary. NOTE: Operating the engine with knobs. Service air cleaner more often under dusty conditions. • Remove knobs and cover. DO NOT USE PRESSURIZED AIR TO CLEAN OR DRY CARTRIDGE. of all foreign matter. • Keep finished surfaces and wheels free of all times...
User Manual
Page 19
... HOLE ENGINE PULLEY CLUTCH SPRING FRONT LINK RETAINER SPRING ANTI-SWAY BAR COLLAR RETAINER SPRINGS (BOTH SIDES) HOUSING GUIDE LARGE RETAINER SPRING BRACKET Fig. 18 19 TRACTOR TO REMOVE MOWER (See Fig. 18) Mower will not properly adjust your mower. SERVICE AND ADJUSTMENTS CAUTION: BEFORE PERFORMING ANY SERVICE OR ADJUSTMENTS: • Depress clutch/brake pedal fully and set parking brake. • Place motion control lever in neutral (N) position. • Place attachment clutch in "DISENGAGED" position. • Turn ignition key "OFF" and remove key...
... HOLE ENGINE PULLEY CLUTCH SPRING FRONT LINK RETAINER SPRING ANTI-SWAY BAR COLLAR RETAINER SPRINGS (BOTH SIDES) HOUSING GUIDE LARGE RETAINER SPRING BRACKET Fig. 18 19 TRACTOR TO REMOVE MOWER (See Fig. 18) Mower will not properly adjust your mower. SERVICE AND ADJUSTMENTS CAUTION: BEFORE PERFORMING ANY SERVICE OR ADJUSTMENTS: • Depress clutch/brake pedal fully and set parking brake. • Place motion control lever in neutral (N) position. • Place attachment clutch in "DISENGAGED" position. • Turn ignition key "OFF" and remove key...
User Manual
Page 21
... all pulley grooves and inside all belt guides. • Install mower in highest gear on a level dry concrete or paved surface, then brake must be replaced without tools. BELT REMOVAL • Remove mower from tractor (See "TO REMOVE MOWER" in highest gear, further maintenance is necessary. Engage parking brake. SERVICE AND ADJUSTMENTS TO REPLACE MOWER BLADE DRIVE BELT (See Fig. 23) The mower blade drive belt may be adjusted. • Depress clutch/brake pedal and engage parking brake. • Measure distance between brake operating arm and nut "A" on brake...
... all pulley grooves and inside all belt guides. • Install mower in highest gear on a level dry concrete or paved surface, then brake must be replaced without tools. BELT REMOVAL • Remove mower from tractor (See "TO REMOVE MOWER" in highest gear, further maintenance is necessary. Engage parking brake. SERVICE AND ADJUSTMENTS TO REPLACE MOWER BLADE DRIVE BELT (See Fig. 23) The mower blade drive belt may be adjusted. • Depress clutch/brake pedal and engage parking brake. • Measure distance between brake operating arm and nut "A" on brake...
User Manual
Page 24
... choke control (located on dash panel) to fast position. • Check that swivel is not adjustable. TO ADJUST CARBURETOR Your carburetor is against stop running, or prevent it from air cleaner. 24 SWIVEL FIG. 32 CLAMP SCREW FIG. 33 CLAMP SCREW Check adjustment as described below before loosening cable. If adjustment is necessary, proceed as follows: • With engine not running , move throttle control lever to full choke position. • Loosen knob and remove cover assembly from starting. • Check wiring...
... choke control (located on dash panel) to fast position. • Check that swivel is not adjustable. TO ADJUST CARBURETOR Your carburetor is against stop running, or prevent it from air cleaner. 24 SWIVEL FIG. 32 CLAMP SCREW FIG. 33 CLAMP SCREW Check adjustment as described below before loosening cable. If adjustment is necessary, proceed as follows: • With engine not running , move throttle control lever to full choke position. • Loosen knob and remove cover assembly from starting. • Check wiring...
User Manual
Page 25
... manual). IMPORTANT: NEVER COVER TRACTOR WHILE ENGINE AND EXHAUST AREAS ARE STILL WARM. 25 When mower is to give protection from tractor for a period of time, clean it run until the fuel lines and carburetor are securely fastened. NOTE: Fuel stabilizer is removed from one ounce of oil through spark plug hole(s) into cylinder(s). • Turn ignition key to rust. Always follow the mix ratio found on concrete or damp surfaces. Run engine...
... manual). IMPORTANT: NEVER COVER TRACTOR WHILE ENGINE AND EXHAUST AREAS ARE STILL WARM. 25 When mower is to give protection from tractor for a period of time, clean it run until the fuel lines and carburetor are securely fastened. NOTE: Fuel stabilizer is removed from one ounce of oil through spark plug hole(s) into cylinder(s). • Turn ignition key to rust. Always follow the mix ratio found on concrete or damp surfaces. Run engine...
User Manual
Page 26
... Clean and regap or change oil. 6. Clean engine air screen/fins. 12. Excessive vibration 1. Bent blade mandrel. 3. Check all wiring. 7. Recharge or replace battery. 2. Loss of grass, leaves and trash under mower. 4. Build-up of power 1. Loose/damaged part(s). 1. Water in Service Adjustments section. 10. See "To Adjust Carburetor" in fuel. 8. Check all wiring. 14. Loose or damaged wiring. 7. Tighten blade bolt. 2. Replace fuel filter. 7. start 1. Drain fuel tank and carburetor, refill tank with fresh gasoline and replace fuel filter...
... Clean and regap or change oil. 6. Clean engine air screen/fins. 12. Excessive vibration 1. Bent blade mandrel. 3. Check all wiring. 7. Recharge or replace battery. 2. Loss of grass, leaves and trash under mower. 4. Build-up of power 1. Loose/damaged part(s). 1. Water in Service Adjustments section. 10. See "To Adjust Carburetor" in fuel. 8. Check all wiring. 14. Loose or damaged wiring. 7. Tighten blade bolt. 2. Replace fuel filter. 7. start 1. Drain fuel tank and carburetor, refill tank with fresh gasoline and replace fuel filter...
User Manual
Page 27
... bulb(s). 3. Check/replace light switch. 4. Replace alternator. Place freewheel control in this manual. 11. TROUBLESHOOTING POINTS PROBLEM CAUSE Engine continues to open vent holes. Clogged mower deck vent holes from buildup of mower housing. 8. Worn, bent or loose blade. 7. Mower drive belt worn. 9. Replace with attachment clutch engaged 1. Replace fuse. Replace battery. 2. Loss of mower housing. 4. Purge transmission. 1. CORRECTION 1. Clean underside of drive Engine "backfires" when turning engine "OFF" 1. Frozen idler pulley. 4. Engine speed...
... bulb(s). 3. Check/replace light switch. 4. Replace alternator. Place freewheel control in this manual. 11. TROUBLESHOOTING POINTS PROBLEM CAUSE Engine continues to open vent holes. Clogged mower deck vent holes from buildup of mower housing. 8. Worn, bent or loose blade. 7. Mower drive belt worn. 9. Replace with attachment clutch engaged 1. Replace fuse. Replace battery. 2. Loss of mower housing. 4. Purge transmission. 1. CORRECTION 1. Clean underside of drive Engine "backfires" when turning engine "OFF" 1. Frozen idler pulley. 4. Engine speed...
User Manual
Page 35
... P Nut Lock Hex W/Wsh 3/8-16 Unc Knob, Round 1/2-13 Rod, Brake Hydro Nut Spring, Brake Rod Washer Pin Cotter 1/8 x 3/4 CAD. NO. MODEL NUMBER PR20H42STB DRIVE KEY PART NO. Rod, Parking Brake Cap, Parking Brake Bracket, Transaxle Bolt Hex Hd 5/16-18 Unc x 3/4 Shaft, Foot Pedal Bearing, Nylon Washer Pin, Roll Pulley, Idler, Flat Bolt Spacer, Split Keeper, Belt Idler Washer 13/32 x 13/16 x 12 Gauge Pulley, Idler, V-Groove Bellcrank Clutch Grnd Drv STL Retainer, Belt Bolt Nut...
... P Nut Lock Hex W/Wsh 3/8-16 Unc Knob, Round 1/2-13 Rod, Brake Hydro Nut Spring, Brake Rod Washer Pin Cotter 1/8 x 3/4 CAD. NO. MODEL NUMBER PR20H42STB DRIVE KEY PART NO. Rod, Parking Brake Cap, Parking Brake Bracket, Transaxle Bolt Hex Hd 5/16-18 Unc x 3/4 Shaft, Foot Pedal Bearing, Nylon Washer Pin, Roll Pulley, Idler, Flat Bolt Spacer, Split Keeper, Belt Idler Washer 13/32 x 13/16 x 12 Gauge Pulley, Idler, V-Groove Bellcrank Clutch Grnd Drv STL Retainer, Belt Bolt Nut...
User Manual
Page 43
... Bracket, Gauge, Wheel RH 113 17060514 Screw 5/16 - 18 114 73510500 Nut, Keps 5/16 - 18 UNC 115 72110504 Bolt, Carriage 5/16-18 x 1/2 116 4898H Bolt, Shoulder 117 165746 Wheel, Gauge 118 73930600 Nut Centerlock 3/8-16 119 19121414 Washer 3/8 x 7/8 x 14 Ga. 121 173986 Bracket, Extruded 142 165890X421 Arm Spring Brake Mower 143 157109X421 Bracket Arm Idler 42" 144 173441 Keeper Belt 42" Clutch Cable 145 173437 Pulley Idler...
... Bracket, Gauge, Wheel RH 113 17060514 Screw 5/16 - 18 114 73510500 Nut, Keps 5/16 - 18 UNC 115 72110504 Bolt, Carriage 5/16-18 x 1/2 116 4898H Bolt, Shoulder 117 165746 Wheel, Gauge 118 73930600 Nut Centerlock 3/8-16 119 19121414 Washer 3/8 x 7/8 x 14 Ga. 121 173986 Bracket, Extruded 142 165890X421 Arm Spring Brake Mower 143 157109X421 Bracket Arm Idler 42" 144 173441 Keeper Belt 42" Clutch Cable 145 173437 Pulley Idler...