If you have any questions pertaining to your machine which your dealer cannot answer to your satisfaction, call or write the Customer Service Department at SNAPPER, McDonough, Georgia 30253. Phone: (1-800-935-2967). PROTECTION FOR CHILDREN PROTECTION AGAINST TIPOVERS...
Page 3
BLADE is ON or machine is in motion. 14. Have machine serviced authorized Deflector or entire grass catcher must be in place. SNAPPER dealer at least once a year and have the NEVER point discharge at people, passing cars, dealer install any new safety devices.
FAMILIARIZATION H_.'t::1 :! P"_I HE:I _v, (o] _] ::!mid _Ill L v,I :1:1:1 Ko]).]P',_In / (o]; • The serial and model number of the SNAPPER Series D REAR VIEW Lawn Tractor are located on the rear face of the tractor frame as shown in Figure 1.
FAMILIARIZATION [_o] Lv, I ".,To] _, 1 :1_, b u_ The nomenclature drawings, Figures 2 & 3, illustrate the essential components of the SNAPPER Series D Lawn CHOKE Tractor. It is recommended that all operators of this equipment become thoroughly...
OPERATING INSTRUCTIONS I d :! =5.'t if:! :_iI It.,].-I :(H ;I ii [..1 ,i Make the followingchecks and perform service as re- quiredbeforeeach start-up. Check tires and add air as needed to bringpressure to 12psi in fronttires and 10 psi in rear tires. If guards are missingor damaged, Replace BEFORE usingmower.
OPERATING INSTRUCTIONS :,In #,I :_idI: [rl:_..'t liD] "J"JI: [tl =1 _[r] I: I =i STARTING ENGINE Take a comfortablepositionin seat of ridingmower,look ENGAGEMENT aroundto make sure that the area you are goingto mow LEVER is clear of people, children and pets. Take note of any stationaryobstacles! NOTE: The interlocksystemwillpreventthe engine from starting...
Page 9
OPERATING INSTRUCTIONS _._ net :_unlI: [_lr:l-_ n[o]"J"JI _[riYl: 1:1=1 nl ,] ;1 Lvi= HANDLE STARTING WHEEL DRIVE OF HYDRO MODELS Shift speed controllever to neutral. REVERSE Start engine. Release brake pedal. Slowlyshiftspeed controlleverforwardfor forwardmotion or to the rear for reverse motion.See Figure9. FORWARD SPEEDS STOPPING...
Page 10
OPERATING INSTRUCTIONS _-'lmmr.1 :_m nlI _[rt::lE._m go] ..J..J I _[it L', [ olV,'J=1 :l :| mF_,l p]=l PULL BLADE ENGAGEMENT LEVER UP TO "ON" TO START MOWER BLADE(S) STARTING MOWER BLADE Start engine. Raise blade engagement lever to "ON". See Figure 12. STOPPING MOWER BLADE ENGAGEMENT LEVER...
OPERATING INSTRUCTIONS ROLLING GEAR DRIVE MODELS GEAR DRIVEMODELSHOWN With engine 'OFF', fullydepressclutcl_/brake pedal. Place speed controllever in the neutral (N) position.See Figure 15. Release clutch/brakepedal and movetractorto desired location. -SPEED CONTROL HANDLE Setparkbrake andplace speed controlleverintoa forward speed. FIGURE 15 1997 MODEL YEAR SHOWN m :_,_[_1 I: [rl_]: t,J= i =1,]=1 il _=[,, lo_ia= RAISING...
V'_ltl'_1 ! W_.! : ] il =f;_*-[*4 =b'_._*] :! I $1 The SNAPPER Series D LAWN TRACTOR can be equipped with a variety of accessories that increase its versatility. The accessories available for each model are listed in the chart below. Contact an authorized SNAPPER dealer for ordering any of the accessories desired.
Page 13
3. Electrical connections loose or corroded. 3. Clean end check connections for good contact.. 4. Defective ignition switch. 4. Contact authonzed SNAPPER dealer. ENGINE WILL NOT START 1. Blade engagement lever in the "ON" position. 1. Move blade engagement lever to "OFF"...
Page 14
OIL LEAKING 1. Loose or missing oil filler cap. (Hydro Models Only) 1. Check oil level and replace oil cap. FROM TRANSMISSION 2. Leaking axle seals. 2. Contact authorized SNAPPER dealer. 3. Leaking at casing seal 3. Contact authorized SNAPPER dealer.
Page 15
MAINTENANCE INSTRUCTIONS SERVICE SUBJECT REFERENCE EACH EACH TO BE PERFORMED PAGES HOURS HOURS HOURS HOURS SEASON Check Oil Level Engine Page 6 Initial Oil Change Engine Pages 15 & 16 Periodic Oil Change Engine page 15 Air Pre-Cleaner Service Sponge Pre- Engine Manual Cleaner Element &Page...
MAINTENANCE INSTRUCTIONS SEAT ADJUSTING KNOBS The hydrostictransmission does not normally require maintainence, h owever, properoillevelshouldbeverified sfter everyseason. TO CHECK OIL LEVEL IN TRANSMISSION Remove seat by removing seat adjustment knobs, See Figure 18. Lay seat forward. Be careful not to pull seat switchwires from the switch.
Page 17
MAINTENANCE INSTRUCTIONS FILLER MODELS L T120G30DB, NL T120G30DB, TUBE LT125G33DB & LT125G38DB OIL DRAIN These models are equipped with 12 & 12 1/2 hp engines EXTENSION which are furnishes with extended oil drains. See Figure Raise tractorhood and tilt itforward. Disconnect s parkplugwire.
MAINTENANCE INSTRUCTIONS The followinglubricationpoints shouldbe servicedafter each 25 operating hours to insure optimum performance of the Series D Lawn Tractor. FRONT WHEEL BEARINGS Lubricateeach front wheel bearing through the grease AXLE SPINDLE fitting on wheel hub. Using general purposegrease in a LUB RICATION FITTING greasegun, addgrease untilgreasepurgesfrom bearing.
MAINTENANCE INSTRUCTIONS DRAG UNK LUBRICATION STEERING DRAG LINK Lubricateboth ends of steering drag link with a small amountof 30 wt. motoroilfrom anoilcan. See Figure26. STEERING TIE ROD Usingan oil can, filled with30wt. motoroil, lubricateboth ends of steeringtie rod. See Figure27. FIGURE 26 ::::C'o: BLADE ENGAGEMENT...
MAINTENANCE INSTRUCTIONS The componentslistedshouldbe servicedon a regular AIR CLEANER basisto insurethattheyare intopworkingcondition. R efer to SERVICE SCHEDULE on Page 14 for recommended service intervals. ENGINE AIR PRE-CLEANER Theengineairpre-cleanershouldbe removedandcleaned every25 operatinghours.See Figure30. Referto Engine ENGINE AIR PRE.CLEANER Owner'sManual for specificcleaninginstructions. FIGURE 30 ENGINE AIR CLEANER The engine air cleaner element shouldbe removedand...
MAINTENANCE INSTRUCTIONS ENGINE COOLING SYSTEM The engine coolingsystemconsists of an engine shroud and engine fins.These shouldbe kept clean and free of debris as needed or clean at least every 100 operating houm. REMOVE ADJUSTING KNOBS AND MOVE _ S ,TFO.WA.0, I / ,7 The batteryshouldbe servicedevery25 hours of opera- tion.
MAINTENANCE INSTRUCTIONS Using distilledwater, fill cells as needed to 1/8" to 3/8" above cell plates. Replace cell covers. Charge battery if required. Install positive(+) cable first. Install negative(-) cable last. Install seat assembly over battery and secure in position with adjusting knobs. Leave knobs loose. Lower operator's seat and adjust to desired position.
MAINTENANCE INSTRUCTIONS Should the tractiondrive belt show signs of excessive FRONT UFT ARM wear or damage, replace. MOWER DECK REMOVAL UFT ROD Placetractoron a firm,levelsurfacesuchas a drivewayor garage floor and engage park brake. Turn engine "OFF". HAIR PIN Raise hoodand removespark plugwire fromspark plug. Secure sparkplugwire away fromsparkplug.See Figure FIGURE 37 Lowerdeck to lowest setting.
Page 24
MAINTENANCE INSTRUCTIONS (30" & 33" BELT GUIDES SHOWN) Make note of hole used in sector plate. Slide sectorplates off of rear deck hanger brackets. Slide deck forward. Remove deck drive beItfrom engine pulley bottom groove. See Figure 40. Slide deck back and disconnect springfrom tension idler. Pull deck from under tractor from R.H.
Page 25
MAINTENANCE INSTRUCTIONS Removetractiondrivebelt fromengine pulleytop groove. REMOVE See Figure44. FROM PULLEY Remove belt from center belt guide. Pullbelt untilitcan be removedfrom transmission pulley. TRACTION DRIVE BELT REPLACEMENT Place new traction drive belt over transmission pulley and span to engine pulley. Place belt intotop groove of engine pulley.
Page 26
MAINTENANCE INSTRUCTIONS REMOVE SPINDLE PULLEY IDLER COVER 30" & 33" DECK DRIVE BELT REMOVAL AND REPLACEMENT Inspect deck drive belt for excessive wear and damage after every 25 operating hours. Replacement procedures are as follows: Place tractoron a firm, level surface. Turn engine "OFF".
MAINTENANCE INSTRUCTIONS " W.ARNING " Blades are extremely sharp and can cause severe injury. Wear heavy leather gloves when handling or I working around blades. DO NOT use a blade that is I excessively worn or damaged. WARNING I Never use a cutting blade that...
Page 28
MAINTENANCE INSTRUCTIONS Install blade mounting bolts, internal tooth lock washers and nuts. See Figure 53 Torque blade to 30 to 40 Ft, Lbs. 38" STANDARD MOWER BLADE REMOVAL REPLACEMENT Move tractor to a firm, level surface. Turn engine "OFF". (2- REQUIRED) Raise hood, remove spark plug wire from spark plug and secure wire away from plug.
MAINTENANCE INSTRUCTIONS SHARPENING STANDARD BLADE(S) Blades should be kept sharp at all times. When the blade(s) are dull, cut grass will be ragged and lawn will usuallyturn brown.Sharpen standard bladesas follows: Move tractorto a firm, level surface. Tum engine "OFF'. Raise hood,remove spark plug wire from sparkplug and secure wire away from plug.
Page 30
MAINTENANCE INSTRUCTIONS BLADE Never use a blade that shows signs of excessive wear or damage. Refer to Figure 57 for NinJa blade wear limits. Sharpen allcuttingedges ofthe Ninja recycling blade at 27° (+3°, -2 °) for optimum performance. See Figure 58. Reinstall sharpened Ninja blade in reverse order of removal.
Page 31
MAINTENANCE INSTRUCTIONS Secure stationaryidlerwith mountingbolt. Place sparkplug wire onto spark plug. Set park brake. Start Engine. Visuallyinspecttractiondrive belt for movement. When properlyadjusted,the tractiondrivebelt shouldnot have any movement or rotationwith the engine running and park brake engaged. Shouldmovement be present,readjusttractiondrive belt to releasebeittension asdescribedinprevious instructions.
Page 32
MAINTENANCE INSTRUCTIONS To adjust tension, remove extension rod mountingbolt and nut. See Figure62. TEN SION/d -_LEAST MOSTTENSlON • Move extension rodto next hole towards rear of deck and "-_ secure with mountingbolt and nut. MOUNTING- NUT & BOLT Measure extension spring with blade engagement lever in FIGURE 62 the "ON"...
Page 33
MAINTENANCE INSTRUCTIONS 33" DECK SHOWN Slidesectoroffof pinsand carefullylowerdeckontoangle iron. Rotate. b lade(s) until blade tips are at each side of deck. ANGLE IRON •Measuredistancefrom blade tip to flooron each side LMEASURE FROM deck. BLADE TIPS TO FLOOR Bladetips shouldbe within 1/8"ofeach otherfor thedeck FIGURE 66 to be consideredlevel.
Page 34
MAINTENANCE INSTRUCTIONS NOTE: The deck shouldbe set sothat the rear ofthe deck is 1/4" 33" DECK SHOWN lowerthan the front. See Figure69. FRONT P'/////;! REAR X • 1/4" FRONT TO REAR LEVEL- FRONT LIFT ROD If the sector plates are in their lowest setting and proper L__ MEASUREFROM level cannot be obtained, adjust the front liftrod as follows: BLADETIPSTO FLOOR...
MAINTENANCE INSTRUCTIONS FRONT OF TRACTOR NOTE: Before adjusting deck, bring tire pressureto proper psi. BLOCK Front 12 psi, Rear 10 psi. SIDE TO SIDE LEVEL Move tractor to a firm, level surface. Turn engine "OFF". Raise hood, remove spark plug wire from spark plug and secure wire away from plug.
Page 36
MAINTENANCE INSTRUCTIONS Attach the rear hanger plates to the hole that most closely aligns with the pin on the deck lift bracket. Secure with washer and hair pin. FRONT OF TRACTOR /h[ i !! !!ii! iiiii!i i ii! !i!!!i! !i Iiiiic i! !i ! Ni i ii!i Mii iii iii ii i i i i i i iiiiiiiiii Make certain sectorplates are mountedin the same I holes on each side for proper frontto rear level...
Page 37
MAINTENANCE INSTRUCTIONS STEERING SECTOR Should excessive "PLAY" be present in the steering, adjustas follows: Tum Engine "OFF" and raise tractorhood. Remove spark plugwire from spark plug and securewire away from plug. From leftside of tractor, locate the steeringsector below fuel tank. See Figure 71. Looseneccentricmounting nut.
Page 38
MAINTENANCE INSTRUCTIONS HYDRO DRIVE MODELS To be properlyadjusted,the brake shouldstopthe tractor in approximately 6 feet from top speed when the clutch/ brake pedal is fully depressed. BRAKE Adjustbrake when necessary as follows: Turn engine "OFF'. Raise hood, remove spark plugwire from spark plugand secure wire away from plug.
Page 39
ELECTRICAL Figure 76 illustratestypical hamess muting on all the Series D Lawn Tractors. Use this when locatingvarious electricalcomponents. _---- O BATI1ERY NEGATIVE (-) -TO BATTERY PosmvF.(+) (UNDER SEAT) TERMINAL R,H° HEADLIGHT HEADUGHT SWITCH SWITCH BRAKE SWITCH 20 AMP- FUSE HEAD HARNESS HARNESS BLADE ENGAGEMENT...
Page 40
ELECTRICAL The schematics below, Figure 77 & Figure 78 represent models with and without headlights. BRIGGS & STRA TTON WITHOUT LIGHTS BLACK PEDAL SWITCH INoj. "ED I SEAT SWITCH GREENI I N_ I II /-IGNITION ENGINE /GROUND I BLACK I" STARTER k '_--ALTERNATOR YELLOW...
Page 41
McDonough, Georgia, to be defective in material or workmanship or both. For ninety (90) days from purchase date for the odginal purchaser's commercial, rental, or other non-residential use SNAPPER, through any SNAPPER dealer will replace, free of charge, any part or parts found upon examination by th= factory at McDonough, Georgia, to be defective in material or workmanship or both.
Page 45
G - Gear Drive Transmission H - Hydrostatic Transmission 30 - 30" Cutting Width Mower 38 - 38" Cutting Width Mower 33 - 33" Cuttino Width Mower Thank for buying a SNAPPER product! Before operating the Lawn Tractor, read and follow "IMPORTANT SAFETY INSTRUCTIONS"...
Page 46
If you have any questions pertaining to your machine which your dealer cannot answer to your satisfaction, call or write the Customer Service Department at SNAPPER, McDonough, Georgia 30253. Phone: (1-800-935-2967). PROTECTION FOR CHILDREN PROTECTION AGAINST TIPOVERS...
Page 47
BLADE is ON or machine is in motion. 14. Have machine serviced authorized Deflector or entire grass catcher must be in place. SNAPPER dealer at least once a year and have the NEVER point discharge at people, passing cars, dealer install any new safety devices.
FAMILIARIZATION H_.'t::1 :! P"_I HE:I _v, (o] _] ::!mid _Ill L v,I :1:1:1 Ko]).]P',_In / (o]; • The serial and model number of the SNAPPER Series D REAR VIEW Lawn Tractor are located on the rear face of the tractor frame as shown in Figure 1.
Page 50
FAMILIARIZATION [_o] Lv, I ".,To] _, 1 :1_, b u_ The nomenclature drawings, Figures 2 & 3, illustrate the essential components of the SNAPPER Series D Lawn CHOKE Tractor. It is recommended that all operators of this equipment become thoroughly...
OPERATING INSTRUCTIONS I d :! =5.'t if:! :_iI It.,].-I :(H ;I ii [..1 ,i Make the followingchecks and perform service as re- quiredbeforeeach start-up. Check tires and add air as needed to bringpressure to 12psi in fronttires and 10 psi in rear tires. If guards are missingor damaged, Replace BEFORE usingmower.
OPERATING INSTRUCTIONS :,In #,I :_idI: [rl:_..'t liD] "J"JI: [tl =1 _[r] I: I =i STARTING ENGINE Take a comfortablepositionin seat of ridingmower,look ENGAGEMENT aroundto make sure that the area you are goingto mow LEVER is clear of people, children and pets. Take note of any stationaryobstacles! NOTE: The interlocksystemwillpreventthe engine from starting...
Page 53
OPERATING INSTRUCTIONS _._ net :_unlI: [_lr:l-_ n[o]"J"JI _[riYl: 1:1=1 nl ,] ;1 Lvi= HANDLE STARTING WHEEL DRIVE OF HYDRO MODELS Shift speed controllever to neutral. REVERSE Start engine. Release brake pedal. Slowlyshiftspeed controlleverforwardfor forwardmotion or to the rear for reverse motion.See Figure9. FORWARD SPEEDS STOPPING...
Page 54
OPERATING INSTRUCTIONS _-'lmmr.1 :_m nlI _[rt::lE._m go] ..J..J I _[it L', [ olV,'J=1 :l :| mF_,l p]=l PULL BLADE ENGAGEMENT LEVER UP TO "ON" TO START MOWER BLADE(S) STARTING MOWER BLADE Start engine. Raise blade engagement lever to "ON". See Figure 12. STOPPING MOWER BLADE ENGAGEMENT LEVER...
OPERATING INSTRUCTIONS ROLLING GEAR DRIVE MODELS GEAR DRIVEMODELSHOWN With engine 'OFF', fullydepressclutcl_/brake pedal. Place speed controllever in the neutral (N) position.See Figure 15. Release clutch/brakepedal and movetractorto desired location. -SPEED CONTROL HANDLE Setparkbrake andplace speed controlleverintoa forward speed. FIGURE 15 1997 MODEL YEAR SHOWN m :_,_[_1 I: [rl_]: t,J= i =1,]=1 il _=[,, lo_ia= RAISING...
V'_ltl'_1 ! W_.! : ] il =f;_*-[*4 =b'_._*] :! I $1 The SNAPPER Series D LAWN TRACTOR can be equipped with a variety of accessories that increase its versatility. The accessories available for each model are listed in the chart below. Contact an authorized SNAPPER dealer for ordering any of the accessories desired.
Page 57
3. Electrical connections loose or corroded. 3. Clean end check connections for good contact.. 4. Defective ignition switch. 4. Contact authonzed SNAPPER dealer. ENGINE WILL NOT START 1. Blade engagement lever in the "ON" position. 1. Move blade engagement lever to "OFF"...
Page 58
OIL LEAKING 1. Loose or missing oil filler cap. (Hydro Models Only) 1. Check oil level and replace oil cap. FROM TRANSMISSION 2. Leaking axle seals. 2. Contact authorized SNAPPER dealer. 3. Leaking at casing seal 3. Contact authorized SNAPPER dealer.
Page 59
MAINTENANCE INSTRUCTIONS SERVICE SUBJECT REFERENCE EACH EACH TO BE PERFORMED PAGES HOURS HOURS HOURS HOURS SEASON Check Oil Level Engine Page 6 Initial Oil Change Engine Pages 15 & 16 Periodic Oil Change Engine page 15 Air Pre-Cleaner Service Sponge Pre- Engine Manual Cleaner Element &Page...
MAINTENANCE INSTRUCTIONS SEAT ADJUSTING KNOBS The hydrostictransmission does not normally require maintainence, h owever, properoillevelshouldbeverified sfter everyseason. TO CHECK OIL LEVEL IN TRANSMISSION Remove seat by removing seat adjustment knobs, See Figure 18. Lay seat forward. Be careful not to pull seat switchwires from the switch.
Page 61
MAINTENANCE INSTRUCTIONS FILLER MODELS L T120G30DB, NL T120G30DB, TUBE LT125G33DB & LT125G38DB OIL DRAIN These models are equipped with 12 & 12 1/2 hp engines EXTENSION which are furnishes with extended oil drains. See Figure Raise tractorhood and tilt itforward. Disconnect s parkplugwire.
MAINTENANCE INSTRUCTIONS The followinglubricationpoints shouldbe servicedafter each 25 operating hours to insure optimum performance of the Series D Lawn Tractor. FRONT WHEEL BEARINGS Lubricateeach front wheel bearing through the grease AXLE SPINDLE fitting on wheel hub. Using general purposegrease in a LUB RICATION FITTING greasegun, addgrease untilgreasepurgesfrom bearing.
MAINTENANCE INSTRUCTIONS DRAG UNK LUBRICATION STEERING DRAG LINK Lubricateboth ends of steering drag link with a small amountof 30 wt. motoroilfrom anoilcan. See Figure26. STEERING TIE ROD Usingan oil can, filled with30wt. motoroil, lubricateboth ends of steeringtie rod. See Figure27. FIGURE 26 ::::C'o: BLADE ENGAGEMENT...
MAINTENANCE INSTRUCTIONS The componentslistedshouldbe servicedon a regular AIR CLEANER basisto insurethattheyare intopworkingcondition. R efer to SERVICE SCHEDULE on Page 14 for recommended service intervals. ENGINE AIR PRE-CLEANER Theengineairpre-cleanershouldbe removedandcleaned every25 operatinghours.See Figure30. Referto Engine ENGINE AIR PRE.CLEANER Owner'sManual for specificcleaninginstructions. FIGURE 30 ENGINE AIR CLEANER The engine air cleaner element shouldbe removedand...
MAINTENANCE INSTRUCTIONS ENGINE COOLING SYSTEM The engine coolingsystemconsists of an engine shroud and engine fins.These shouldbe kept clean and free of debris as needed or clean at least every 100 operating houm. REMOVE ADJUSTING KNOBS AND MOVE _ S ,TFO.WA.0, I / ,7 The batteryshouldbe servicedevery25 hours of opera- tion.
MAINTENANCE INSTRUCTIONS Using distilledwater, fill cells as needed to 1/8" to 3/8" above cell plates. Replace cell covers. Charge battery if required. Install positive(+) cable first. Install negative(-) cable last. Install seat assembly over battery and secure in position with adjusting knobs. Leave knobs loose. Lower operator's seat and adjust to desired position.
MAINTENANCE INSTRUCTIONS Should the tractiondrive belt show signs of excessive FRONT UFT ARM wear or damage, replace. MOWER DECK REMOVAL UFT ROD Placetractoron a firm,levelsurfacesuchas a drivewayor garage floor and engage park brake. Turn engine "OFF". HAIR PIN Raise hoodand removespark plugwire fromspark plug. Secure sparkplugwire away fromsparkplug.See Figure FIGURE 37 Lowerdeck to lowest setting.
Page 68
MAINTENANCE INSTRUCTIONS (30" & 33" BELT GUIDES SHOWN) Make note of hole used in sector plate. Slide sectorplates off of rear deck hanger brackets. Slide deck forward. Remove deck drive beItfrom engine pulley bottom groove. See Figure 40. Slide deck back and disconnect springfrom tension idler. Pull deck from under tractor from R.H.
Page 69
MAINTENANCE INSTRUCTIONS Removetractiondrivebelt fromengine pulleytop groove. REMOVE See Figure44. FROM PULLEY Remove belt from center belt guide. Pullbelt untilitcan be removedfrom transmission pulley. TRACTION DRIVE BELT REPLACEMENT Place new traction drive belt over transmission pulley and span to engine pulley. Place belt intotop groove of engine pulley.
Page 70
MAINTENANCE INSTRUCTIONS REMOVE SPINDLE PULLEY IDLER COVER 30" & 33" DECK DRIVE BELT REMOVAL AND REPLACEMENT Inspect deck drive belt for excessive wear and damage after every 25 operating hours. Replacement procedures are as follows: Place tractoron a firm, level surface. Turn engine "OFF".
MAINTENANCE INSTRUCTIONS " W.ARNING " Blades are extremely sharp and can cause severe injury. Wear heavy leather gloves when handling or I working around blades. DO NOT use a blade that is I excessively worn or damaged. WARNING I Never use a cutting blade that...
Page 72
MAINTENANCE INSTRUCTIONS Install blade mounting bolts, internal tooth lock washers and nuts. See Figure 53 Torque blade to 30 to 40 Ft, Lbs. 38" STANDARD MOWER BLADE REMOVAL REPLACEMENT Move tractor to a firm, level surface. Turn engine "OFF". (2- REQUIRED) Raise hood, remove spark plug wire from spark plug and secure wire away from plug.
MAINTENANCE INSTRUCTIONS SHARPENING STANDARD BLADE(S) Blades should be kept sharp at all times. When the blade(s) are dull, cut grass will be ragged and lawn will usuallyturn brown.Sharpen standard bladesas follows: Move tractorto a firm, level surface. Tum engine "OFF'. Raise hood,remove spark plug wire from sparkplug and secure wire away from plug.
Page 74
MAINTENANCE INSTRUCTIONS BLADE Never use a blade that shows signs of excessive wear or damage. Refer to Figure 57 for NinJa blade wear limits. Sharpen allcuttingedges ofthe Ninja recycling blade at 27° (+3°, -2 °) for optimum performance. See Figure 58. Reinstall sharpened Ninja blade in reverse order of removal.
Page 75
MAINTENANCE INSTRUCTIONS Secure stationaryidlerwith mountingbolt. Place sparkplug wire onto spark plug. Set park brake. Start Engine. Visuallyinspecttractiondrive belt for movement. When properlyadjusted,the tractiondrivebelt shouldnot have any movement or rotationwith the engine running and park brake engaged. Shouldmovement be present,readjusttractiondrive belt to releasebeittension asdescribedinprevious instructions.
MAINTENANCE INSTRUCTIONS To adjust tension, remove extension rod mountingbolt and nut. See Figure62. TEN SION/d -_LEAST MOSTTENSlON • Move extension rodto next hole towards rear of deck and "-_ secure with mountingbolt and nut. MOUNTING- NUT & BOLT Measure extension spring with blade engagement lever in FIGURE 62 the "ON"...
MAINTENANCE INSTRUCTIONS 33" DECK SHOWN Slidesectoroffof pinsand carefullylowerdeckontoangle iron. Rotate. b lade(s) until blade tips are at each side of deck. ANGLE IRON •Measuredistancefrom blade tip to flooron each side LMEASURE FROM deck. BLADE TIPS TO FLOOR Bladetips shouldbe within 1/8"ofeach otherfor thedeck FIGURE 66 to be consideredlevel.
MAINTENANCE INSTRUCTIONS NOTE: The deck shouldbe set sothat the rear ofthe deck is 1/4" 33" DECK SHOWN lowerthan the front. See Figure69. FRONT P'/////;! REAR X • 1/4" FRONT TO REAR LEVEL- FRONT LIFT ROD If the sector plates are in their lowest setting and proper L__ MEASUREFROM level cannot be obtained, adjust the front liftrod as follows: BLADETIPSTO FLOOR...
Page 79
MAINTENANCE INSTRUCTIONS FRONT OF TRACTOR NOTE: Before adjusting deck, bring tire pressureto proper psi. BLOCK Front 12 psi, Rear 10 psi. SIDE TO SIDE LEVEL Move tractor to a firm, level surface. Turn engine "OFF". Raise hood, remove spark plug wire from spark plug and secure wire away from plug.
Page 80
MAINTENANCE INSTRUCTIONS Attach the rear hanger plates to the hole that most closely aligns with the pin on the deck lift bracket. Secure with washer and hair pin. FRONT OF TRACTOR /h[ i !! !!ii! iiiii!i i ii! !i!!!i! !i Iiiiic i! !i ! Ni i ii!i Mii iii iii ii i i i i i i iiiiiiiiii Make certain sectorplates are mountedin the same I holes on each side for proper frontto rear level...
Page 81
MAINTENANCE INSTRUCTIONS STEERING SECTOR Should excessive "PLAY" be present in the steering, adjustas follows: Tum Engine "OFF" and raise tractorhood. Remove spark plugwire from spark plug and securewire away from plug. From leftside of tractor, locate the steeringsector below fuel tank. See Figure 71. Looseneccentricmounting nut.
Page 82
MAINTENANCE INSTRUCTIONS HYDRO DRIVE MODELS To be properlyadjusted,the brake shouldstopthe tractor in approximately 6 feet from top speed when the clutch/ brake pedal is fully depressed. BRAKE Adjustbrake when necessary as follows: Turn engine "OFF'. Raise hood, remove spark plugwire from spark plugand secure wire away from plug.
Page 83
ELECTRICAL Figure 76 illustratestypical hamess muting on all the Series D Lawn Tractors. Use this when locatingvarious electricalcomponents. _---- O BATI1ERY NEGATIVE (-) -TO BATTERY PosmvF.(+) (UNDER SEAT) TERMINAL R,H° HEADLIGHT HEADUGHT SWITCH SWITCH BRAKE SWITCH 20 AMP- FUSE HEAD HARNESS HARNESS BLADE ENGAGEMENT...
Page 84
ELECTRICAL The schematics below, Figure 77 & Figure 78 represent models with and without headlights. BRIGGS & STRA TTON WITHOUT LIGHTS BLACK PEDAL SWITCH INoj. "ED I SEAT SWITCH GREENI I N_ I II /-IGNITION ENGINE /GROUND I BLACK I" STARTER k '_--ALTERNATOR YELLOW...
Page 85
McDonough, Georgia, to be defective in material or workmanship or both. For ninety (90) days from purchase date for the odginal purchaser's commercial, rental, or other non-residential use SNAPPER, through any SNAPPER dealer will replace, free of charge, any part or parts found upon examination by th= factory at McDonough, Georgia, to be defective in material or workmanship or both.
Page 89
G - Gear Drive Transmission H - Hydrostatic Transmission 30 - 30" Cutting Width Mower 38 - 38" Cutting Width Mower 33 - 33" Cuttino Width Mower Thank for buying a SNAPPER product! Before operating the Lawn Tractor, read and follow "IMPORTANT SAFETY INSTRUCTIONS"...
Page 90
If you have any questions pertaining to your machine which your dealer cannot answer to your satisfaction, call or write the Customer Service Department at SNAPPER, McDonough, Georgia 30253. Phone: (1-800-935-2967). PROTECTION FOR CHILDREN PROTECTION AGAINST TIPOVERS...
Page 91
BLADE is ON or machine is in motion. 14. Have machine serviced authorized Deflector or entire grass catcher must be in place. SNAPPER dealer at least once a year and have the NEVER point discharge at people, passing cars, dealer install any new safety devices.
FAMILIARIZATION H_.'t::1 :! P"_I HE:I _v, (o] _] ::!mid _Ill L v,I :1:1:1 Ko]).]P',_In / (o]; • The serial and model number of the SNAPPER Series D REAR VIEW Lawn Tractor are located on the rear face of the tractor frame as shown in Figure 1.
Page 94
FAMILIARIZATION [_o] Lv, I ".,To] _, 1 :1_, b u_ The nomenclature drawings, Figures 2 & 3, illustrate the essential components of the SNAPPER Series D Lawn CHOKE Tractor. It is recommended that all operators of this equipment become thoroughly...
OPERATING INSTRUCTIONS I d :! =5.'t if:! :_iI It.,].-I :(H ;I ii [..1 ,i Make the followingchecks and perform service as re- quiredbeforeeach start-up. Check tires and add air as needed to bringpressure to 12psi in fronttires and 10 psi in rear tires. If guards are missingor damaged, Replace BEFORE usingmower.
OPERATING INSTRUCTIONS :,In #,I :_idI: [rl:_..'t liD] "J"JI: [tl =1 _[r] I: I =i STARTING ENGINE Take a comfortablepositionin seat of ridingmower,look ENGAGEMENT aroundto make sure that the area you are goingto mow LEVER is clear of people, children and pets. Take note of any stationaryobstacles! NOTE: The interlocksystemwillpreventthe engine from starting...
Page 97
OPERATING INSTRUCTIONS _._ net :_unlI: [_lr:l-_ n[o]"J"JI _[riYl: 1:1=1 nl ,] ;1 Lvi= HANDLE STARTING WHEEL DRIVE OF HYDRO MODELS Shift speed controllever to neutral. REVERSE Start engine. Release brake pedal. Slowlyshiftspeed controlleverforwardfor forwardmotion or to the rear for reverse motion.See Figure9. FORWARD SPEEDS STOPPING...
Page 98
OPERATING INSTRUCTIONS _-'lmmr.1 :_m nlI _[rt::lE._m go] ..J..J I _[it L', [ olV,'J=1 :l :| mF_,l p]=l PULL BLADE ENGAGEMENT LEVER UP TO "ON" TO START MOWER BLADE(S) STARTING MOWER BLADE Start engine. Raise blade engagement lever to "ON". See Figure 12. STOPPING MOWER BLADE ENGAGEMENT LEVER...
OPERATING INSTRUCTIONS ROLLING GEAR DRIVE MODELS GEAR DRIVEMODELSHOWN With engine 'OFF', fullydepressclutcl_/brake pedal. Place speed controllever in the neutral (N) position.See Figure 15. Release clutch/brakepedal and movetractorto desired location. -SPEED CONTROL HANDLE Setparkbrake andplace speed controlleverintoa forward speed. FIGURE 15 1997 MODEL YEAR SHOWN m :_,_[_1 I: [rl_]: t,J= i =1,]=1 il _=[,, lo_ia= RAISING...
V'_ltl'_1 ! W_.! : ] il =f;_*-[*4 =b'_._*] :! I $1 The SNAPPER Series D LAWN TRACTOR can be equipped with a variety of accessories that increase its versatility. The accessories available for each model are listed in the chart below. Contact an authorized SNAPPER dealer for ordering any of the accessories desired.
Page 101
3. Electrical connections loose or corroded. 3. Clean end check connections for good contact.. 4. Defective ignition switch. 4. Contact authonzed SNAPPER dealer. ENGINE WILL NOT START 1. Blade engagement lever in the "ON" position. 1. Move blade engagement lever to "OFF"...
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OIL LEAKING 1. Loose or missing oil filler cap. (Hydro Models Only) 1. Check oil level and replace oil cap. FROM TRANSMISSION 2. Leaking axle seals. 2. Contact authorized SNAPPER dealer. 3. Leaking at casing seal 3. Contact authorized SNAPPER dealer.
Page 103
MAINTENANCE INSTRUCTIONS SERVICE SUBJECT REFERENCE EACH EACH TO BE PERFORMED PAGES HOURS HOURS HOURS HOURS SEASON Check Oil Level Engine Page 6 Initial Oil Change Engine Pages 15 & 16 Periodic Oil Change Engine page 15 Air Pre-Cleaner Service Sponge Pre- Engine Manual Cleaner Element &Page...
MAINTENANCE INSTRUCTIONS SEAT ADJUSTING KNOBS The hydrostictransmission does not normally require maintainence, h owever, properoillevelshouldbeverified sfter everyseason. TO CHECK OIL LEVEL IN TRANSMISSION Remove seat by removing seat adjustment knobs, See Figure 18. Lay seat forward. Be careful not to pull seat switchwires from the switch.
Page 105
MAINTENANCE INSTRUCTIONS FILLER MODELS L T120G30DB, NL T120G30DB, TUBE LT125G33DB & LT125G38DB OIL DRAIN These models are equipped with 12 & 12 1/2 hp engines EXTENSION which are furnishes with extended oil drains. See Figure Raise tractorhood and tilt itforward. Disconnect s parkplugwire.
MAINTENANCE INSTRUCTIONS The followinglubricationpoints shouldbe servicedafter each 25 operating hours to insure optimum performance of the Series D Lawn Tractor. FRONT WHEEL BEARINGS Lubricateeach front wheel bearing through the grease AXLE SPINDLE fitting on wheel hub. Using general purposegrease in a LUB RICATION FITTING greasegun, addgrease untilgreasepurgesfrom bearing.
MAINTENANCE INSTRUCTIONS DRAG UNK LUBRICATION STEERING DRAG LINK Lubricateboth ends of steering drag link with a small amountof 30 wt. motoroilfrom anoilcan. See Figure26. STEERING TIE ROD Usingan oil can, filled with30wt. motoroil, lubricateboth ends of steeringtie rod. See Figure27. FIGURE 26 ::::C'o: BLADE ENGAGEMENT...
MAINTENANCE INSTRUCTIONS The componentslistedshouldbe servicedon a regular AIR CLEANER basisto insurethattheyare intopworkingcondition. R efer to SERVICE SCHEDULE on Page 14 for recommended service intervals. ENGINE AIR PRE-CLEANER Theengineairpre-cleanershouldbe removedandcleaned every25 operatinghours.See Figure30. Referto Engine ENGINE AIR PRE.CLEANER Owner'sManual for specificcleaninginstructions. FIGURE 30 ENGINE AIR CLEANER The engine air cleaner element shouldbe removedand...
MAINTENANCE INSTRUCTIONS ENGINE COOLING SYSTEM The engine coolingsystemconsists of an engine shroud and engine fins.These shouldbe kept clean and free of debris as needed or clean at least every 100 operating houm. REMOVE ADJUSTING KNOBS AND MOVE _ S ,TFO.WA.0, I / ,7 The batteryshouldbe servicedevery25 hours of opera- tion.
MAINTENANCE INSTRUCTIONS Using distilledwater, fill cells as needed to 1/8" to 3/8" above cell plates. Replace cell covers. Charge battery if required. Install positive(+) cable first. Install negative(-) cable last. Install seat assembly over battery and secure in position with adjusting knobs. Leave knobs loose. Lower operator's seat and adjust to desired position.
MAINTENANCE INSTRUCTIONS Should the tractiondrive belt show signs of excessive FRONT UFT ARM wear or damage, replace. MOWER DECK REMOVAL UFT ROD Placetractoron a firm,levelsurfacesuchas a drivewayor garage floor and engage park brake. Turn engine "OFF". HAIR PIN Raise hoodand removespark plugwire fromspark plug. Secure sparkplugwire away fromsparkplug.See Figure FIGURE 37 Lowerdeck to lowest setting.
Page 112
MAINTENANCE INSTRUCTIONS (30" & 33" BELT GUIDES SHOWN) Make note of hole used in sector plate. Slide sectorplates off of rear deck hanger brackets. Slide deck forward. Remove deck drive beItfrom engine pulley bottom groove. See Figure 40. Slide deck back and disconnect springfrom tension idler. Pull deck from under tractor from R.H.
Page 113
MAINTENANCE INSTRUCTIONS Removetractiondrivebelt fromengine pulleytop groove. REMOVE See Figure44. FROM PULLEY Remove belt from center belt guide. Pullbelt untilitcan be removedfrom transmission pulley. TRACTION DRIVE BELT REPLACEMENT Place new traction drive belt over transmission pulley and span to engine pulley. Place belt intotop groove of engine pulley.
Page 114
MAINTENANCE INSTRUCTIONS REMOVE SPINDLE PULLEY IDLER COVER 30" & 33" DECK DRIVE BELT REMOVAL AND REPLACEMENT Inspect deck drive belt for excessive wear and damage after every 25 operating hours. Replacement procedures are as follows: Place tractoron a firm, level surface. Turn engine "OFF".
MAINTENANCE INSTRUCTIONS " W.ARNING " Blades are extremely sharp and can cause severe injury. Wear heavy leather gloves when handling or I working around blades. DO NOT use a blade that is I excessively worn or damaged. WARNING I Never use a cutting blade that...
Page 116
MAINTENANCE INSTRUCTIONS Install blade mounting bolts, internal tooth lock washers and nuts. See Figure 53 Torque blade to 30 to 40 Ft, Lbs. 38" STANDARD MOWER BLADE REMOVAL REPLACEMENT Move tractor to a firm, level surface. Turn engine "OFF". (2- REQUIRED) Raise hood, remove spark plug wire from spark plug and secure wire away from plug.
MAINTENANCE INSTRUCTIONS SHARPENING STANDARD BLADE(S) Blades should be kept sharp at all times. When the blade(s) are dull, cut grass will be ragged and lawn will usuallyturn brown.Sharpen standard bladesas follows: Move tractorto a firm, level surface. Tum engine "OFF'. Raise hood,remove spark plug wire from sparkplug and secure wire away from plug.
Page 118
MAINTENANCE INSTRUCTIONS BLADE Never use a blade that shows signs of excessive wear or damage. Refer to Figure 57 for NinJa blade wear limits. Sharpen allcuttingedges ofthe Ninja recycling blade at 27° (+3°, -2 °) for optimum performance. See Figure 58. Reinstall sharpened Ninja blade in reverse order of removal.
Page 119
MAINTENANCE INSTRUCTIONS Secure stationaryidlerwith mountingbolt. Place sparkplug wire onto spark plug. Set park brake. Start Engine. Visuallyinspecttractiondrive belt for movement. When properlyadjusted,the tractiondrivebelt shouldnot have any movement or rotationwith the engine running and park brake engaged. Shouldmovement be present,readjusttractiondrive belt to releasebeittension asdescribedinprevious instructions.
MAINTENANCE INSTRUCTIONS To adjust tension, remove extension rod mountingbolt and nut. See Figure62. TEN SION/d -_LEAST MOSTTENSlON • Move extension rodto next hole towards rear of deck and "-_ secure with mountingbolt and nut. MOUNTING- NUT & BOLT Measure extension spring with blade engagement lever in FIGURE 62 the "ON"...
MAINTENANCE INSTRUCTIONS 33" DECK SHOWN Slidesectoroffof pinsand carefullylowerdeckontoangle iron. Rotate. b lade(s) until blade tips are at each side of deck. ANGLE IRON •Measuredistancefrom blade tip to flooron each side LMEASURE FROM deck. BLADE TIPS TO FLOOR Bladetips shouldbe within 1/8"ofeach otherfor thedeck FIGURE 66 to be consideredlevel.
MAINTENANCE INSTRUCTIONS NOTE: The deck shouldbe set sothat the rear ofthe deck is 1/4" 33" DECK SHOWN lowerthan the front. See Figure69. FRONT P'/////;! REAR X • 1/4" FRONT TO REAR LEVEL- FRONT LIFT ROD If the sector plates are in their lowest setting and proper L__ MEASUREFROM level cannot be obtained, adjust the front liftrod as follows: BLADETIPSTO FLOOR...
Page 123
MAINTENANCE INSTRUCTIONS FRONT OF TRACTOR NOTE: Before adjusting deck, bring tire pressureto proper psi. BLOCK Front 12 psi, Rear 10 psi. SIDE TO SIDE LEVEL Move tractor to a firm, level surface. Turn engine "OFF". Raise hood, remove spark plug wire from spark plug and secure wire away from plug.
Page 124
MAINTENANCE INSTRUCTIONS Attach the rear hanger plates to the hole that most closely aligns with the pin on the deck lift bracket. Secure with washer and hair pin. FRONT OF TRACTOR /h[ i !! !!ii! iiiii!i i ii! !i!!!i! !i Iiiiic i! !i ! Ni i ii!i Mii iii iii ii i i i i i i iiiiiiiiii Make certain sectorplates are mountedin the same I holes on each side for proper frontto rear level...
Page 125
MAINTENANCE INSTRUCTIONS STEERING SECTOR Should excessive "PLAY" be present in the steering, adjustas follows: Tum Engine "OFF" and raise tractorhood. Remove spark plugwire from spark plug and securewire away from plug. From leftside of tractor, locate the steeringsector below fuel tank. See Figure 71. Looseneccentricmounting nut.
Page 126
MAINTENANCE INSTRUCTIONS HYDRO DRIVE MODELS To be properlyadjusted,the brake shouldstopthe tractor in approximately 6 feet from top speed when the clutch/ brake pedal is fully depressed. BRAKE Adjustbrake when necessary as follows: Turn engine "OFF'. Raise hood, remove spark plugwire from spark plugand secure wire away from plug.
Page 127
ELECTRICAL Figure 76 illustratestypical hamess muting on all the Series D Lawn Tractors. Use this when locatingvarious electricalcomponents. _---- O BATI1ERY NEGATIVE (-) -TO BATTERY PosmvF.(+) (UNDER SEAT) TERMINAL R,H° HEADLIGHT HEADUGHT SWITCH SWITCH BRAKE SWITCH 20 AMP- FUSE HEAD HARNESS HARNESS BLADE ENGAGEMENT...
Page 128
ELECTRICAL The schematics below, Figure 77 & Figure 78 represent models with and without headlights. BRIGGS & STRA TTON WITHOUT LIGHTS BLACK PEDAL SWITCH INoj. "ED I SEAT SWITCH GREENI I N_ I II /-IGNITION ENGINE /GROUND I BLACK I" STARTER k '_--ALTERNATOR YELLOW...
Page 129
McDonough, Georgia, to be defective in material or workmanship or both. For ninety (90) days from purchase date for the odginal purchaser's commercial, rental, or other non-residential use SNAPPER, through any SNAPPER dealer will replace, free of charge, any part or parts found upon examination by th= factory at McDonough, Georgia, to be defective in material or workmanship or both.
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G - Gear Drive Transmission H - Hydrostatic Transmission 30 - 30" Cutting Width Mower 38 - 38" Cutting Width Mower 33 - 33" Cuttino Width Mower Thank for buying a SNAPPER product! Before operating the Lawn Tractor, read and follow "IMPORTANT SAFETY INSTRUCTIONS"...
Page 134
If you have any questions pertaining to your machine which your dealer cannot answer to your satisfaction, call or write the Customer Service Department at SNAPPER, McDonough, Georgia 30253. Phone: (1-800-935-2967). PROTECTION FOR CHILDREN PROTECTION AGAINST TIPOVERS...
Page 135
BLADE is ON or machine is in motion. 14. Have machine serviced authorized Deflector or entire grass catcher must be in place. SNAPPER dealer at least once a year and have the NEVER point discharge at people, passing cars, dealer install any new safety devices.
FAMILIARIZATION H_.'t::1 :! P"_I HE:I _v, (o] _] ::!mid _Ill L v,I :1:1:1 Ko]).]P',_In / (o]; • The serial and model number of the SNAPPER Series D REAR VIEW Lawn Tractor are located on the rear face of the tractor frame as shown in Figure 1.
FAMILIARIZATION [_o] Lv, I ".,To] _, 1 :1_, b u_ The nomenclature drawings, Figures 2 & 3, illustrate the essential components of the SNAPPER Series D Lawn CHOKE Tractor. It is recommended that all operators of this equipment become thoroughly...
OPERATING INSTRUCTIONS I d :! =5.'t if:! :_iI It.,].-I :(H ;I ii [..1 ,i Make the followingchecks and perform service as re- quiredbeforeeach start-up. Check tires and add air as needed to bringpressure to 12psi in fronttires and 10 psi in rear tires. If guards are missingor damaged, Replace BEFORE usingmower.
OPERATING INSTRUCTIONS :,In #,I :_idI: [rl:_..'t liD] "J"JI: [tl =1 _[r] I: I =i STARTING ENGINE Take a comfortablepositionin seat of ridingmower,look ENGAGEMENT aroundto make sure that the area you are goingto mow LEVER is clear of people, children and pets. Take note of any stationaryobstacles! NOTE: The interlocksystemwillpreventthe engine from starting...
Page 141
OPERATING INSTRUCTIONS _._ net :_unlI: [_lr:l-_ n[o]"J"JI _[riYl: 1:1=1 nl ,] ;1 Lvi= HANDLE STARTING WHEEL DRIVE OF HYDRO MODELS Shift speed controllever to neutral. REVERSE Start engine. Release brake pedal. Slowlyshiftspeed controlleverforwardfor forwardmotion or to the rear for reverse motion.See Figure9. FORWARD SPEEDS STOPPING...
Page 142
OPERATING INSTRUCTIONS _-'lmmr.1 :_m nlI _[rt::lE._m go] ..J..J I _[it L', [ olV,'J=1 :l :| mF_,l p]=l PULL BLADE ENGAGEMENT LEVER UP TO "ON" TO START MOWER BLADE(S) STARTING MOWER BLADE Start engine. Raise blade engagement lever to "ON". See Figure 12. STOPPING MOWER BLADE ENGAGEMENT LEVER...
OPERATING INSTRUCTIONS ROLLING GEAR DRIVE MODELS GEAR DRIVEMODELSHOWN With engine 'OFF', fullydepressclutcl_/brake pedal. Place speed controllever in the neutral (N) position.See Figure 15. Release clutch/brakepedal and movetractorto desired location. -SPEED CONTROL HANDLE Setparkbrake andplace speed controlleverintoa forward speed. FIGURE 15 1997 MODEL YEAR SHOWN m :_,_[_1 I: [rl_]: t,J= i =1,]=1 il _=[,, lo_ia= RAISING...
V'_ltl'_1 ! W_.! : ] il =f;_*-[*4 =b'_._*] :! I $1 The SNAPPER Series D LAWN TRACTOR can be equipped with a variety of accessories that increase its versatility. The accessories available for each model are listed in the chart below. Contact an authorized SNAPPER dealer for ordering any of the accessories desired.
Page 145
3. Electrical connections loose or corroded. 3. Clean end check connections for good contact.. 4. Defective ignition switch. 4. Contact authonzed SNAPPER dealer. ENGINE WILL NOT START 1. Blade engagement lever in the "ON" position. 1. Move blade engagement lever to "OFF"...
Page 146
OIL LEAKING 1. Loose or missing oil filler cap. (Hydro Models Only) 1. Check oil level and replace oil cap. FROM TRANSMISSION 2. Leaking axle seals. 2. Contact authorized SNAPPER dealer. 3. Leaking at casing seal 3. Contact authorized SNAPPER dealer.
Page 147
MAINTENANCE INSTRUCTIONS SERVICE SUBJECT REFERENCE EACH EACH TO BE PERFORMED PAGES HOURS HOURS HOURS HOURS SEASON Check Oil Level Engine Page 6 Initial Oil Change Engine Pages 15 & 16 Periodic Oil Change Engine page 15 Air Pre-Cleaner Service Sponge Pre- Engine Manual Cleaner Element &Page...
MAINTENANCE INSTRUCTIONS SEAT ADJUSTING KNOBS The hydrostictransmission does not normally require maintainence, h owever, properoillevelshouldbeverified sfter everyseason. TO CHECK OIL LEVEL IN TRANSMISSION Remove seat by removing seat adjustment knobs, See Figure 18. Lay seat forward. Be careful not to pull seat switchwires from the switch.
Page 149
MAINTENANCE INSTRUCTIONS FILLER MODELS L T120G30DB, NL T120G30DB, TUBE LT125G33DB & LT125G38DB OIL DRAIN These models are equipped with 12 & 12 1/2 hp engines EXTENSION which are furnishes with extended oil drains. See Figure Raise tractorhood and tilt itforward. Disconnect s parkplugwire.
MAINTENANCE INSTRUCTIONS The followinglubricationpoints shouldbe servicedafter each 25 operating hours to insure optimum performance of the Series D Lawn Tractor. FRONT WHEEL BEARINGS Lubricateeach front wheel bearing through the grease AXLE SPINDLE fitting on wheel hub. Using general purposegrease in a LUB RICATION FITTING greasegun, addgrease untilgreasepurgesfrom bearing.
MAINTENANCE INSTRUCTIONS DRAG UNK LUBRICATION STEERING DRAG LINK Lubricateboth ends of steering drag link with a small amountof 30 wt. motoroilfrom anoilcan. See Figure26. STEERING TIE ROD Usingan oil can, filled with30wt. motoroil, lubricateboth ends of steeringtie rod. See Figure27. FIGURE 26 ::::C'o: BLADE ENGAGEMENT...
MAINTENANCE INSTRUCTIONS The componentslistedshouldbe servicedon a regular AIR CLEANER basisto insurethattheyare intopworkingcondition. R efer to SERVICE SCHEDULE on Page 14 for recommended service intervals. ENGINE AIR PRE-CLEANER Theengineairpre-cleanershouldbe removedandcleaned every25 operatinghours.See Figure30. Referto Engine ENGINE AIR PRE.CLEANER Owner'sManual for specificcleaninginstructions. FIGURE 30 ENGINE AIR CLEANER The engine air cleaner element shouldbe removedand...
MAINTENANCE INSTRUCTIONS ENGINE COOLING SYSTEM The engine coolingsystemconsists of an engine shroud and engine fins.These shouldbe kept clean and free of debris as needed or clean at least every 100 operating houm. REMOVE ADJUSTING KNOBS AND MOVE _ S ,TFO.WA.0, I / ,7 The batteryshouldbe servicedevery25 hours of opera- tion.
MAINTENANCE INSTRUCTIONS Using distilledwater, fill cells as needed to 1/8" to 3/8" above cell plates. Replace cell covers. Charge battery if required. Install positive(+) cable first. Install negative(-) cable last. Install seat assembly over battery and secure in position with adjusting knobs. Leave knobs loose. Lower operator's seat and adjust to desired position.
MAINTENANCE INSTRUCTIONS Should the tractiondrive belt show signs of excessive FRONT UFT ARM wear or damage, replace. MOWER DECK REMOVAL UFT ROD Placetractoron a firm,levelsurfacesuchas a drivewayor garage floor and engage park brake. Turn engine "OFF". HAIR PIN Raise hoodand removespark plugwire fromspark plug. Secure sparkplugwire away fromsparkplug.See Figure FIGURE 37 Lowerdeck to lowest setting.
Page 156
MAINTENANCE INSTRUCTIONS (30" & 33" BELT GUIDES SHOWN) Make note of hole used in sector plate. Slide sectorplates off of rear deck hanger brackets. Slide deck forward. Remove deck drive beItfrom engine pulley bottom groove. See Figure 40. Slide deck back and disconnect springfrom tension idler. Pull deck from under tractor from R.H.
Page 157
MAINTENANCE INSTRUCTIONS Removetractiondrivebelt fromengine pulleytop groove. REMOVE See Figure44. FROM PULLEY Remove belt from center belt guide. Pullbelt untilitcan be removedfrom transmission pulley. TRACTION DRIVE BELT REPLACEMENT Place new traction drive belt over transmission pulley and span to engine pulley. Place belt intotop groove of engine pulley.
Page 158
MAINTENANCE INSTRUCTIONS REMOVE SPINDLE PULLEY IDLER COVER 30" & 33" DECK DRIVE BELT REMOVAL AND REPLACEMENT Inspect deck drive belt for excessive wear and damage after every 25 operating hours. Replacement procedures are as follows: Place tractoron a firm, level surface. Turn engine "OFF".
MAINTENANCE INSTRUCTIONS " W.ARNING " Blades are extremely sharp and can cause severe injury. Wear heavy leather gloves when handling or I working around blades. DO NOT use a blade that is I excessively worn or damaged. WARNING I Never use a cutting blade that...
Page 160
MAINTENANCE INSTRUCTIONS Install blade mounting bolts, internal tooth lock washers and nuts. See Figure 53 Torque blade to 30 to 40 Ft, Lbs. 38" STANDARD MOWER BLADE REMOVAL REPLACEMENT Move tractor to a firm, level surface. Turn engine "OFF". (2- REQUIRED) Raise hood, remove spark plug wire from spark plug and secure wire away from plug.
MAINTENANCE INSTRUCTIONS SHARPENING STANDARD BLADE(S) Blades should be kept sharp at all times. When the blade(s) are dull, cut grass will be ragged and lawn will usuallyturn brown.Sharpen standard bladesas follows: Move tractorto a firm, level surface. Tum engine "OFF'. Raise hood,remove spark plug wire from sparkplug and secure wire away from plug.
Page 162
MAINTENANCE INSTRUCTIONS BLADE Never use a blade that shows signs of excessive wear or damage. Refer to Figure 57 for NinJa blade wear limits. Sharpen allcuttingedges ofthe Ninja recycling blade at 27° (+3°, -2 °) for optimum performance. See Figure 58. Reinstall sharpened Ninja blade in reverse order of removal.
Page 163
MAINTENANCE INSTRUCTIONS Secure stationaryidlerwith mountingbolt. Place sparkplug wire onto spark plug. Set park brake. Start Engine. Visuallyinspecttractiondrive belt for movement. When properlyadjusted,the tractiondrivebelt shouldnot have any movement or rotationwith the engine running and park brake engaged. Shouldmovement be present,readjusttractiondrive belt to releasebeittension asdescribedinprevious instructions.
MAINTENANCE INSTRUCTIONS To adjust tension, remove extension rod mountingbolt and nut. See Figure62. TEN SION/d -_LEAST MOSTTENSlON • Move extension rodto next hole towards rear of deck and "-_ secure with mountingbolt and nut. MOUNTING- NUT & BOLT Measure extension spring with blade engagement lever in FIGURE 62 the "ON"...
MAINTENANCE INSTRUCTIONS 33" DECK SHOWN Slidesectoroffof pinsand carefullylowerdeckontoangle iron. Rotate. b lade(s) until blade tips are at each side of deck. ANGLE IRON •Measuredistancefrom blade tip to flooron each side LMEASURE FROM deck. BLADE TIPS TO FLOOR Bladetips shouldbe within 1/8"ofeach otherfor thedeck FIGURE 66 to be consideredlevel.
MAINTENANCE INSTRUCTIONS NOTE: The deck shouldbe set sothat the rear ofthe deck is 1/4" 33" DECK SHOWN lowerthan the front. See Figure69. FRONT P'/////;! REAR X • 1/4" FRONT TO REAR LEVEL- FRONT LIFT ROD If the sector plates are in their lowest setting and proper L__ MEASUREFROM level cannot be obtained, adjust the front liftrod as follows: BLADETIPSTO FLOOR...
Page 167
MAINTENANCE INSTRUCTIONS FRONT OF TRACTOR NOTE: Before adjusting deck, bring tire pressureto proper psi. BLOCK Front 12 psi, Rear 10 psi. SIDE TO SIDE LEVEL Move tractor to a firm, level surface. Turn engine "OFF". Raise hood, remove spark plug wire from spark plug and secure wire away from plug.
Page 168
MAINTENANCE INSTRUCTIONS Attach the rear hanger plates to the hole that most closely aligns with the pin on the deck lift bracket. Secure with washer and hair pin. FRONT OF TRACTOR /h[ i !! !!ii! iiiii!i i ii! !i!!!i! !i Iiiiic i! !i ! Ni i ii!i Mii iii iii ii i i i i i i iiiiiiiiii Make certain sectorplates are mountedin the same I holes on each side for proper frontto rear level...
Page 169
MAINTENANCE INSTRUCTIONS STEERING SECTOR Should excessive "PLAY" be present in the steering, adjustas follows: Tum Engine "OFF" and raise tractorhood. Remove spark plugwire from spark plug and securewire away from plug. From leftside of tractor, locate the steeringsector below fuel tank. See Figure 71. Looseneccentricmounting nut.
Page 170
MAINTENANCE INSTRUCTIONS HYDRO DRIVE MODELS To be properlyadjusted,the brake shouldstopthe tractor in approximately 6 feet from top speed when the clutch/ brake pedal is fully depressed. BRAKE Adjustbrake when necessary as follows: Turn engine "OFF'. Raise hood, remove spark plugwire from spark plugand secure wire away from plug.
Page 171
ELECTRICAL Figure 76 illustratestypical hamess muting on all the Series D Lawn Tractors. Use this when locatingvarious electricalcomponents. _---- O BATI1ERY NEGATIVE (-) -TO BATTERY PosmvF.(+) (UNDER SEAT) TERMINAL R,H° HEADLIGHT HEADUGHT SWITCH SWITCH BRAKE SWITCH 20 AMP- FUSE HEAD HARNESS HARNESS BLADE ENGAGEMENT...
Page 172
ELECTRICAL The schematics below, Figure 77 & Figure 78 represent models with and without headlights. BRIGGS & STRA TTON WITHOUT LIGHTS BLACK PEDAL SWITCH INoj. "ED I SEAT SWITCH GREENI I N_ I II /-IGNITION ENGINE /GROUND I BLACK I" STARTER k '_--ALTERNATOR YELLOW...
Page 173
McDonough, Georgia, to be defective in material or workmanship or both. For ninety (90) days from purchase date for the odginal purchaser's commercial, rental, or other non-residential use SNAPPER, through any SNAPPER dealer will replace, free of charge, any part or parts found upon examination by th= factory at McDonough, Georgia, to be defective in material or workmanship or both.