McCulloch MC20H42ST Owner'S Manual Download Page 28 | Manualshive

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28

SERVICE NOTES

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Summary of Contents for MC20H42ST

Page 1: ...MODEL NO MC20H42ST MC20H42STA 20 0 HP 42 Inch Lawn Tractor 532 19 42 98 09 29 04 TR PRINTED IN U S A...

Page 2: ...ass catcher or unclogging the discharge guard Operate machine only in daylight or good artificial light Do not operate the machine while under the influence of alcohol or drugs Watch for traffic when...

Page 3: ...towed equipment except at the hitch point Follow the manufacturer s recommendation for weight limits for towed equipment and towing on slopes Never allow children or others in or on towed equip ment...

Page 4: ...covered brush coveredorgrass covered land unless the engine s exhaust system is equipped with a spark arrester meeting applicable local or state laws if any If a spark arrester is used it should be ma...

Page 5: ...Flat Washer Steering Boot Steering Extension Shaft Steering Wheel Adapter Seat 2 Keys Slope Sheet Key 1 Hex Bolt 1 4 28 x 1 1 4 1 Locknut 1 4 28 1 Locknut 1 2 20 1 Oil Drain Tube 1 Knob 1 Washer 17 3...

Page 6: ...SECURELY TO 10 12 FT LBS TORQUE Place tabs of steering boot over tab slots in dash and push down to secure INSTALL STEERING WHEEL Position front wheels of the tractor so they are pointing straight for...

Page 7: ...reewheel control in transmission engaged position see TO TRANSPORT in Operation section of this manual FIG 2 ADJUSTMENT KNOB FLAT WASHER 02615 02617 SEAT PAN SHOULDER BOLTS SEAT 02602 CONNECT BATTERY...

Page 8: ...resh clean regular unleaded gasoline Become familiar with all controls their location and function Operate them before you start the engine Be sure brake system is in safe operating condition It is im...

Page 9: ...uld result in serious injury or death The safety alert symbol is used to identify safety inform ation about hazards which can result in death serious injury and or property damage DANGER indicates a h...

Page 10: ...BRAKE PEDAL Used for declutching and brak ing the tractor and starting the engine FREEWHEEL CONTROL Disengages transmission for pushing or slowly towing the tractor with the engine off HEIGHTADJUSTME...

Page 11: ...ast position beforestoppingmaycauseengine to backfire Turn ignition key to OFF position and remove key Always remove key when leaving tractor to prevent unauthorized use Never use choke to stop engine...

Page 12: ...hood is closed and secured to tractor Use an appropriate means of tying hood to tractor rope cord etc TO OPERATE MOWER See Fig 9 Your tractor is equipped with an operator presence sens ing switch Any...

Page 13: ...fromseveralseconds to several minutes depending on the temperature BEFORE STARTING THE ENGINE CHECK ENGINE OIL LEVEL The engine in your tractor has been shipped from the factory already filled with su...

Page 14: ...sion by placing freewheel control in driving position See TOTRANSPORT in this section of manual Sitting in the tractor seat start engine After the engine is running move throttle control to half 1 2 s...

Page 15: ...and interferes with the mulching action The best time to mow your lawn is the early afternoon At this time the grass has dried the newly cut area will not be exposed to direct sunlight For best result...

Page 16: ...ilter 1 2 LUBRICATION CHART FRONT WHEEL BEARING ZERK FRONT WHEEL BEARING ZERK ENGINE SPINDLE ZERK SPINDLE ZERK GENERAL PURPOSE GREASE REFER TO MAINTENANCE ENGINE SECTION IMPORTANT DO NOT OIL OR GREASE...

Page 17: ...If your tractor does not function as described repair the problem immediately The engine should not start unless the clutch brake pedalisfullydepressedandattachementclutchcontrol is in the disengaged...

Page 18: ...ck the oil level TEMPERATURE RANGE ANTICIPATED BEFORE NEXT OIL CHANGE SAE VISCOSITY GRADES 20 0 30 40 80 100 30 20 0 20 30 40 F C 32 10 10 60 5W 30 SAE 30 TO CHANGE ENGINE OIL See Figs 15 and 16 Deter...

Page 19: ...d grass screen dirtyorpluggedcoolingfins and orcoolingshroudsremoved will cause engine damage due to overheating FIG 17 CLEAN AIR SCREEN Air screen must be kept free of dirt and chaff to prevent engin...

Page 20: ...ings Disconnect front links from deck by removing retainer springs Raise lift lever to raise suspension arms Slide mower out from under tractor IMPORTANT IFANATTACHMENTOTHERTHANTHEMOWER DECK IS TO BE...

Page 21: ...ur mower SIDE TO SIDE ADJUSTMENT See Figs 19 and 20 Raise mower to its highest position At the midpoint of both sides of mower measure height from bottom edge of mower to ground Distance A on both sid...

Page 22: ...ll belt guides and keepers Install mower See TO INSTALL MOWER in this sec tion of manual FIG 24 IDLER PULLEYS MANDREL PULLEY MANDREL PULLEY TO CHECK AND ADJUST BRAKE See Fig 24 Your tractor is equippe...

Page 23: ...ove motion control lever to the neutral N lock gate position Tighten adjustment bolt securely NOTE Ifadditionalclearanceisneededtogettoadjustment bolt move mower deck height to the lowest position Aft...

Page 24: ...TTERY TO START OTHER VEHICLES TO ATTACH JUMPER CABLES Connect one end of the RED cable to the POSITIVE terminal of each battery A B taking care not to short against tractor chassis ConnectoneendoftheB...

Page 25: ...IN ESSENTIAL FUEL SYSTEM PARTS SUCH AS CARBURETOR FUEL FILTER FUEL HOSE OR TANK DURING STORAGE ALSO EXPERIENCE INDICATES THAT ALCOHOL BLENDED FUELS CALLED GASOHOL OR USING ETHANOLORMETHANOL CANATTRAC...

Page 26: ...gnition switch 7 Check replace ignition switch 8 Faulty solenoid or starter 8 Check replace solenoid or starter 9 Faulty operator presence switch es 9 Contact an authorized service center department E...

Page 27: ...blade Tighten blade bolt 7 Buildup of grass leaves and trash under mower 7 Clean underside of mower housing 8 Mower drive belt worn 8 Replace mower drive belt 9 Blades improperly installed 9 Reinstal...

Page 28: ...28 SERVICE NOTES...

Page 29: ...LIGHTS ARE NOT CONNECTED TO THE BATTERY BUT HAVE THEIR OWN ELECTRICAL SOURCE BECAUSE OF THIS THE BRIGHTNESS OF THE LIGHTS WILL CHANGE WITH ENGINE SPEED AT IDLE THE LIGHTS WILL DIM AS THE ENGINE IS SPE...

Page 30: ...30 TRACTOR MODEL NO MC20H42ST MC20H42STA PRODUCT NO 964 77 33 03 ELECTRICAL 179720 28 29 26 24 42 43 27 27 25 41 27 27 40 33 30 8 2 1 27 52 16 22 21 16 55 90 D C AMPERES 45...

Page 31: ...532 14 61 47 Cable Battery 6 Ga 44 red w 16 wire 26 532 17 51 58 Fuse 20 AMP 27 873 51 04 00 Nut Keps Hex 1 4 20 unc 28 532 12 47 73 Cable Ground black 29 532 12 13 05 Switch Plunger Nc Gray 30 532 1...

Page 32: ...NO 964 77 33 03 CHASSIS AND ENCLOSURES 26 25 58 64 208 13 208 11 1 209 2 9 208 209 209 5 5 207 209 142 209 142 145 37 209 37 24 26 25 209 31 24 30 35 209 26 33 10 26 34 35 18 14 38 14 206 159 17 28 2...

Page 33: ...25 07 Footrest LH 34 532 18 25 08 Footrest RH 35 872 11 06 06 Bolt Rdhd Sht Sqnk 3 8 16 x 3 4 37 817 49 05 08 Screw Thdrol 5 16 18 x 1 2 TYT 38 532 17 57 10 Bracket Asm Pivot Mower Rear 39 532 17 47 1...

Page 34: ...61 41 53 35 55 36 62 35 36 22 39 34 16 1 77 77 30 52 56 64 65 212 63 116 70 57 96 26 25 19 24 26 26 76 78 75 74 27 26 15 37 120 27 51 48 151 202 49 47 50 120 81 156 166 165 82 168 163 14 112 21 8 10...

Page 35: ...14 Screw 3 8 16 x 875 62 532 12 48 72 Cover Pedal 63 532 17 54 10 Pulley Eng 64 532 17 39 37 Bolt Hex 7 16 20 x 4 Ga 5 65 810 04 07 00 Washer 66 532 15 47 78 Keeper Belt Engine 69 532 14 24 32 Screw...

Page 36: ...ST MC20H42STA PRODUCT NO 964 77 33 03 STEERING ASSEMBLY 5 5 3 43 95 43 8 10 40 11 8 6 87 46 46 8 6 87 29 88 71 17 43 91 2 1 41 42 37 36 37 38 12 39 44 51 54 68 67 67 67 13 65 68 15 15 15 29 29 82 4 32...

Page 37: ...2 Pin Cotter 1 8 x 3 4 32 532 19 27 57 Rod Tie 36 532 15 50 99 Bushing Strg 37 532 15 29 27 Screw 38 532 19 46 03 Insert Cap Strg Wh 39 819 18 38 12 Washer 9 16 ID x 2 3 8 OD x 12 Ga 40 873 54 06 00 N...

Page 38: ...38 TRACTOR MODEL NO MC20H42ST MC20H42STA PRODUCT NO 964 77 33 03 ENGINE 10 8 2 1 OPTIONAL EQUIPMENT Spark Arrester 29 6 5 72 13 25 44 46 32 31 33 37 33 4 23 45 engine bs twin_41 17 17 3 81 14 38...

Page 39: ...owning Debris Guard 25 532 19 17 17 Control Choke 29 532 13 71 80 Kit Spark Arrestor Flat Scrn 31 532 18 55 34 Tank Fuel 32 532 14 05 27 Cap Asm Fuel 33 532 12 34 87 Clamp Hose Black 37 532 13 70 40 L...

Page 40: ...nob Seat Adj Wingnut 12 532 12 12 46 Bracket Mounting Switch 13 532 12 12 48 Bushing Snap Blk Nyl 50 Id 14 872 05 04 12 Bolt Rdhd Sqnk 1 4 2 x 1 1 2 15 532 13 43 00 Spacer Split 28 x 96 Yel Zinc 16 53...

Page 41: ...ire 10 oz Tube 20 14 1 532 16 88 69 Decal Tick Mark 2 532 17 35 89 Decal LH Reflector 3 532 19 32 03 Decal Hood 4 532 17 35 87 Decal RH Reflector 5 532 15 70 02 Decal Fender Danger 6 532 19 43 99 Deca...

Page 42: ...ODEL NO MC20H42ST MC20H42STA PRODUCT NO 964 77 33 03 MOWER LIFT 36 15 20 16 1718 20 20 15 20 4 5 6 2 3 1 6 5 4 7 8 23 24 25 27 28 29 30 50 26 37 41 40 38 12 11 31 32 31 32 19 19 13 13 13 13 49 lift rh...

Page 43: ...Rear 20 532 16 35 52 Retainer Spring 23 532 11 08 07 Nut Special 24 819 13 10 16 Washer 13 32 x 5 8 x 16 Ga 25 532 12 48 74 Spring 2 1 8 26 532 16 94 84 Retainer Clip 27 532 12 69 71 Rod Adj Lift 28 8...

Page 44: ...147 147 142 149 142 54 52 53 55 56 34 1 46 44 21 24 25 26 27 2 28 29 23 21 21 21 18 18 20 2 48 59 19 4 3 5 6 21 40 143 36 40 40 159 42_deck_man t path_3 185 67 158 4 2 _ c l u t c h _ m o d _ 7 152 11...

Page 45: ...4 Washer Hardened Smaller 52 532 13 98 88 Bolt Shoulder 5 16 18 unc Blkz 53 532 18 49 07 Arm Asm Pad Brake 54 532 17 85 15 Washer Hardened 55 532 15 50 46 Arm Idler 42 mower LT YT 56 532 12 20 52 Spac...

Page 46: ...he face Do not mow slopes greater than 15 degrees Make turns gradually to prevent tipping or loss of control Exercise extreme caution when changing direction on slopes 1 Fold this page along dotted li...

Page 47: ...47 SERVICE NOTES...

Page 48: ......

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