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TABLE OF CONTENTS 

 

IMPORTANT SAFETY INSTRUCTIONS .......... 2 - 3 
 
TABLE OF CONTENTS ........................................ 4 
 
SECTION 1 - FAMILIARIZATION ......................... 5 

 Components ........................................................5 
 Controls ................................................................5 

 
SECTION 2 -  
OPERATING INSTRUCTIONS ........................ 6-11 

 Pre-start 

Checklist 

..............................................6 

 

Operator’s Seat Adjustment  ..............................6 

 

Starting & Stopping Engine ................................7 

 

Starting & Stopping Wheel Drive .......................8 

 

Starting & Stopping Mower Blades................ 8-9 

 Parking 

Brake.......................................................9 

 Cutting 

Height 

Adjustment .................................9 

 

Rolling Tractor With Engine Off .......................10 

 

Reverse Lockout Mechanism ...........................11 

 

SECTION 3 -  
MAINTENANCE INSTRUCTIONS ................. 12-16 

 

Service - After First 5 Hours

........................12 

 

Change Engine Oil..........................................12 

 

Check Blade Brake .........................................12 

 

Check Mower Blade.................................. 12-13 

 

Check Deck Drive Belt ...................................13 

 

Service – Every 25 Operating Hours

.........13 

 Mower 

Components .......................................13 

 

Check Blade Brake .........................................13 

 

Lubrication (Tractor)

................................ 14-15 

 

Front Wheel Bearings ....................................14 

 Axle 

Spindles ..................................................14 

 Clutch/Brake 

Pivot..........................................14 

 

Steering Sector Gear ......................................14 

 Steering 

Shaft .................................................14 

 

Steering Drag Link..........................................14 

 

Steering Tie Rod .............................................15 

 

Blade Engagement Mechanism.....................15 

 

Park Brake Lever ............................................15 

 

Deck Lift Mechanism......................................15 

 

Service - Annually

..................................... 15-16 

 Engine 

.............................................................15 

 Fuel 

Filter................................................... 15-16 

 Spark 

Plug .......................................................16 

 

Hydrostatic Transmission Oil........................16 

 

 
 
 
 
 
 
 

SECTION 4 -  
ADJUSTMENTS & REPAIR........................... 17-32 

Engine Adjustments & Repair .......................... 17 

 

Mower Deck & Component Adjustments ........ 17 

 

Blade Brake Adjustment ................................... 17 

 

  33” Deck Blade Brake Adjustment ............... 17 

 

  38” Deck Blade Brake Adjustment ............... 17 

 

Blade Belt Adjustment (33” Deck) ................... 18 

 

Blade Belt Adjustment (38” deck).................... 18 

 

Adjusting Mower Blade (33” Deck) .............18-19 

 

33” Side To Side ...........................................18-19 

 

(Deck Level Adjustment) 

 

33” Front To Rear Sector Plates ...................... 20 

 

(Deck Level Adjustment) 

 

33” Front To Rear Front Lift Rod ..................... 20 

 

(Deck Level Adjustment) 

 

38” Side To Side ................................................ 21 

 

(Deck Level Adjustment) 

 

38” Front To Rear .............................................. 22 

 

(Deck Level Adjustment) 

 

Brake Adjustment - HYDRO DRIVE.................. 22 

 Steering 

Adjustment ......................................... 23 

 Shifter 

Adjustment ............................................ 23 

 

Traction Drive Belt Adjustment........................ 24 

 

Mower Blade Service ...................................25-26 

Blade Wear Limits .......................................... 25 

 

Mower Blade Sharpening .............................. 25 

 

Mower Blade Replacement.......................25-26 

 

Traction Drive Belt Removal/Replace.........26-28 

 

Blade Belt Removal & Replacement ................ 29 

 

33” Deck Drive Belt ........................................ 29 

 

38” Deck Drive Belt ........................................ 29 

 Battery 

Service .............................................30-31 

 

AVAILABLE ACCESSORIES

.................................. 32 

 

SECTION 5 -  
ELECTRICAL SYSTEM ...................................... 33 

 

Schematic - Briggs & Stratton.......................... 33 

 

Schematic - Kohler ............................................ 33 

 

TROUBLESHOOTING GUIDE ...................... 34-35 

 

MAINTENANCE SCHEDULE ............................. 36 

 

MAINTENANCE PARTS ..................................... 36 
 
WARRANTY .................................................... 37 
 
PRIMARY MAINTENANCE............................ 38-41 

 
 
 
 
 

 

Summary of Contents for WLT145H38GBV

Page 1: ...ies Designation H Hydrostatic Transmission B Briggs Stratton K Kohler Engine 33 33 Cutting Width Mower V Over Head Valve Type Engine Thank you for buying a SNAPPER product Before operating the Lawn Tractor read and follow the IMPORTANT SAFETY INSTRUCTIONS on pages 2 3 all other instructions contained in this manual and the accompanying booklet About Power Mower Safety Lawn mowers and all power equ...

Page 2: ...1 DO NOT operate machine on slopes exceeding 15 degrees 27 grade 2 Exercise EXTREME CAUTION on slopes above 10 degrees 18 grade Turn blades OFF when traveling uphill Use a slow speed and avoid sudden or sharp turns 3 DO NOT operate machine back and forth across face of slopes Operate up and down Practice on slopes with blades off 4 AVOID uphill starts If machine stops going uphill or tires lose tr...

Page 3: ...l light 13 Move joystick if equipped SLOWLY to maintain control during speed and directional changes OPERATION Continued From Previous Column 14 Exercise CAUTION when pulling loads Limit loads to those you can safely control and attach loads to hitch plate as specified with SNAPPER attachment instructions 15 DO NOT operate engine in enclosed areas Engine exhaust gases contain carbon monoxide a dea...

Page 4: ... Spark Plug 16 Hydrostatic Transmission Oil 16 SECTION 4 ADJUSTMENTS REPAIR 17 32 Engine Adjustments Repair 17 Mower Deck Component Adjustments 17 Blade Brake Adjustment 17 33 Deck Blade Brake Adjustment 17 38 Deck Blade Brake Adjustment 17 Blade Belt Adjustment 33 Deck 18 Blade Belt Adjustment 38 deck 18 Adjusting Mower Blade 33 Deck 18 19 33 Side To Side 18 19 Deck Level Adjustment 33 Front To R...

Page 5: ...Owner s Manual before operating this machine Keep these manuals available for future reference CONTROLS All operators should be acquainted with the operator s controls before attempting start up or operation of the Lawn Tractor See the Control Panel drawing above BLADE ENGAGEMENT LEVER SPEED CONTROL LEVER FIGURE 1 1 CUTTING HEIGHT ADJUSTMENT LEVER CHOKE ENGINE FAST SLOW ENGINE SPEED CONTROL KEY ST...

Page 6: ... engine and tractor of any accumulation of dirt grass oil etc Keep engine air intake screens and cooling fins clean at all times 2 1 6 With engine OFF move the tractor outside and add fuel to the fuel tank Securely tighten fuel cap after refueling Refer to engine owner s manual for fuel specifications See Figure 2 2 2 1 7 Check Reverse Lockout Mechanism With engine OFF raise blade engagement lever...

Page 7: ...o work DO NOT OPERATE the tractor until the interlock has been repaired FIGURE 2 5 5 Choke engine for cold starting by moving engine speed control to CHOKE position Little or no choking will be needed when restarting a warm engine Insert key in switch Turn key to START position to crank engine and hold until engine starts then release key to RUN position See Figure 2 6 NOTE DO NOT crank engine for...

Page 8: ...to ON See Figure 2 8 FIGURE 2 8 WARNING DO NOT operate blades in reverse STOP BLADES LOOK and SEE behind and down for children pets and hazards before and while backing 2 4 STOPPING ENGINE BLADE WHEEL DRIVE 2 4 1 STOPPING ENGINE 1 Stop engine by turning key to the OFF position See Figure 2 9 FIGURE 2 9 2 4 2 STOPPING WHEEL DRIVE 1 Fully depress clutch brake pedal to stop wheel drive See Figure 2 1...

Page 9: ...1 Fully depress clutch brake pedal 2 Move park brake lever up into slot See Figure 2 12 FIGURE 2 12 2 4 5 RELEASING PARK BRAKE 1 Fully depress clutch brake pedal Move park brake lever DOWN to release park brake Release clutch brake pedal See Figure 2 13 FIGURE 2 13 2 5 CUTTING HEIGHT ADJUSTMENT 1 Depress lock button on cutting height adjustment lever See Figure 2 14 FIGURE 2 14 2 Raise or lower de...

Page 10: ...n to engage hydro transmission See Figure 2 15 5 Set park brake NOTE The transmission will not propel the tractor if it is left in the ROLL position WARNING DO NOT disengage the hydro transmission and coast down slopes DO NOT use Roll Release Control to disengage the hydro transmission unless machine motion can be controlled and engine is off PUSH ROLL RELEASE CONTROL ALL THE WAY IN TO ENGAGE HYDR...

Page 11: ... is an override lever provided This lever can be pushed and held before starting the blades and will allow reverse operation until the blade engagement lever is moved to the OFF position at which time the system will return to its Reverse Lockout mode This feature should never be selected unless you are absolutely sure that no children or others are present in the mowing area and that all children...

Page 12: ... oil has drained push drain body IN and rotate clockwise to close 4 Fill engine with new motor oil as specified in engine owner s manual WARNING The following procedure requires the engine and blades to be operated Exercise extreme caution Clear area of loose parts tools first Only operate blades when seated in the operator s seat 3 2 2 CHECK BLADE BRAKE 1 Check blade brake for proper function Bla...

Page 13: ...nd replace engine air cleaner See Figure 3 5 Refer to engine owner s manual for service instructions 3 3 2 MOWER COMPONENTS 1 Check deck drive belt for proper tension Refer to Section CHECK DECK DRIVE BELT 2 Check blades for sharpness wear damage and torque Refer to Section MOWER BLADE REPLACEMENT 3 Check mower deck for proper levelness Refer to Section MOWER DECK ADJUSTMENT LEVELNESS 4 Clean mowe...

Page 14: ... 3 Clutch Brake Pivot The clutch brake pivot is located on the left hand underside of the tractor and is lubricated with one shot of general purpose grease See Figure 3 7 FIGURE 3 7 4 Steering Sector Gear Lubricate with a light coat of general purpose grease See Figure 3 8 FIGURE 3 8 5 Steering Shaft Lubricate steering shaft wear points with a light coat of SAE30 oil 6 Steering Drag Link Lubricate...

Page 15: ...or oil FIGURE 3 12 10 Deck Lift Mechanism Lubricate all wear and pivot points of the deck lift 3 4 SERVICE ANNUALLY Perform all maintenance as described in Section SERVICE EVERY 25 OPERATING HOURS Also see service schedule 3 4 1 ENGINE 1 Service engine according to engine owner s manual 3 4 2 FUEL FILTER 1 Service fuel filter as instructed below on COLD ENGINE ONLY NOTE It may be necessary to drai...

Page 16: ...sh gasoline Refer to engine owner s manual for fuel specifications 3 4 3 SPARK PLUG Remove and replace engine spark plug Refer to engine owner s manual for correct replacement plug and gap specifications 3 4 4 HYDROSTATIC TRANSMISSION OIL The hydrostatic transmission does not require maintenance If any problems arise return immediately to a Snapper dealer NEW FUEL FILTER PART NUMBER 1 4359 ...

Page 17: ...ly adjusted will stop blade rotation in 5 seconds or less when the blade engagement lever is moved to the OFF position 33 DECK BLADE BRAKE ADJUSTMENT 1 Blade brake adjustment is made by turning the adjustment nut on the threaded brake rod The brake is initially set with 1 3 16 of thread exposed beyond the nut See Figure 4 1 Verify this setting before attempting any adjustments To tighten the brake...

Page 18: ...To adjust tension remove extension rod mounting bolt and nut See Figure 4 4 9 Move extension rod to next hole towards rear of deck and secure with mounting bolt and nut 10 Measure extension spring with blade engagement lever in the ON and OFF positions See Figure 4 3 Continue adjustment until tension is correct IMPORTANT Blade brake function must be verified after performing blade belt adjustment ...

Page 19: ...VEL ADJUSTMENT SIDE TO SIDE NOTE Adjust tire pressure 12 P S I front and rear before adjusting deck 1 Move tractor to a firm level surface 2 Turn engine OFF Remove key 3 Place a piece of angle iron under center rear of deck 4 Remove hair pins and washers securing rear of deck to sector plates See Figure 4 7 5 Slide sector off of pins and carefully lower deck onto angle iron 6 Rotate blade s until ...

Page 20: ... DECK LEVEL ADJUSTMENT FRONT TO REAR FRONT LIFT ROD If the sector plates are in their lowest setting and proper level cannot be obtained adjust the front lift rod as follows 1 Move deck lift lever to 5 position 2 Place a 2 x 4 wooden block on edge under front center of deck 3 Place a 3 x 3 wooden block under rear center of deck 4 Remove hair pins and washers securing sector plates Lower rear of de...

Page 21: ...distance from each blade tip to the floor The measurements should be within 1 8 of each other Factory setting FIGURE 4 14 9 If the difference is less than 1 8 go to next section Front to rear level If the difference is more than 1 8 adjust as described in the following steps 10 Loosen the front adjuster nut until adjuster moves freely Then tighten the nut until the adjuster moves only when moderat...

Page 22: ...urning the swivel clockwise will raise the front of the deck Turning the swivel counterclockwise will lower the front of the deck NOTE The deck should be set so that the rear of the deck is 1 4 lower than the front See Figure 4 17 FIGURE 4 17 4 3 TRACTOR DRIVE COMPONENTS 4 3 1 BRAKE ADJUSTMENT When adjusted properly the brake should stop the tractor in approximately 6 feet or less from top speed D...

Page 23: ...d control lever can be placed at rear edge of the neutral detent and the tractor remains absolutely stationary If motion is detected neutral adjustment will be required DO NOT operate a machine that creeps when shifted to neutral 1 Stop engine Remove key 2 Move speed control lever to rear edge of neutral detent and hold firmly 3 Locate neutral adjustment nut underneath the right rear of the tracto...

Page 24: ...ould less tension be required move stationary idler towards right side of tractor See Figure 4 21 6 Secure stationary idler with mounting bolt 7 Place spark plug wire onto spark plug Set park brake Start engine 8 Visually inspect traction drive belt for movement When properly adjusted the traction drive belt should not have any movement or rotation with the engine running and park brake engaged 9 ...

Page 25: ... ragged and lawn will usually turn brown Sharpen standard blades as follows 1 Move tractor to a firm level surface 2 Turn engine OFF Remove key 3 Remove mowing deck from tractor 4 Remove mower blade s 5 If a blade is in good condition sharpen cutting edge at an angle of 22 to 28 degrees DO NOT sharpen beyond existing cutting edge Replace blades not in good condition See Figure 4 24 FIGURE 4 24 4 4...

Page 26: ...FIGURE 4 26 6 Install new blade onto blade mounting bar 7 Torque 30 to 40 ft lbs 4 4 6 38 MOWER BLADE REPLACEMENT 1 Move tractor to a firm level surface 2 Turn engine OFF Remove key 3 Remove mowing deck from tractor 4 Position deck to access blade 5 Remove blade mounting nut and cone washer from each blade See Figure 4 27 6 Install new blades 7 Torque 70 to 90 ft lbs FIGURE 4 27 4 4 7 TRACTION DRI...

Page 27: ...t washer from rear deck hanger bracket on both sides of tractor 8 Make note of hole used in sector plates 9 Slide sector plates off of rear deck hanger brackets 10 Slide deck forward Remove deck drive belt from engine pulley bottom groove See Figure 4 30 FIGURE 4 30 11 Slide deck back and disconnect spring from tension idler 12 Pull deck from under tractor from R H side Traction drive belt removal...

Page 28: ...ide 7 Pull belt until it can be removed from transmission pulley Traction drive belt replacement 1 Place new traction drive belt over transmission pulley and span to engine pulley 2 Place belt into top groove of engine pulley 3 Route belt through stationary and tension idlers See Figure 4 36 FIGURE 4 35 NOTE When installing a new belt make certain the stationary idler is mounted in the hole closes...

Page 29: ...See Figure 4 37 FIGURE 4 37 5 Remove old belt 6 Replace with new belt in reverse order 7 Adjust idler pulley belt guide if necessary to obtain 1 16 clearance between belt and belt guide See Figure 4 38 FIGURE 4 38 38 Deck Drive Belt 1 Place tractor on a firm level surface 2 Turn engine OFF Remove key 3 Remove mower deck 4 Remove spindle belt guard and tension idler See Figure 4 39 FIGURE 4 39 5 Re...

Page 30: ...e acid Battery acid is corrosive Rinse empty acid containers with water and mutilate before discarding If acid is spilled on battery bench or clothing etc Flush with clear water and neutralize with baking soda 4 5 3 BATTERY SERVICE 1 Remove battery See Section on Battery Removal 2 Place battery in a well ventilated area on a level surface 3 Using distilled water refill cells as required to cover c...

Page 31: ... With cell caps removed connect battery charger to battery terminals RED to positive and BLACK to negative terminal IMPORTANT 3 16 above cell plates is the recommended level However do not try to measure this dimension Never place anything in battery other than specified electrolyte 5 Slow charge the battery at 1 amp for 2 hours to bring the battery to full charge 6 After charging check level of e...

Page 32: ...6 6 1916 Lawn Roller 6 1915 6 1915 42 Snow Blade 6 1352 6 1352 44 Dozer Blade Spring Trip 6 1881 6 1881 Dozer Blade Support Kit 6 1370 6 1370 40 Snow Thrower 6 1880 6 1880 Debris Blower 6 1883 6 1883 RAD Quick Hitch Subframe Kit 6 1879 6 1879 Weight Kit 6 1245 6 1245 Tire Chains 6 1085 6 1085 Ninja Recycling Mulch Kit 6 1255 6 1878 38 Wave Recycling Mulch Kit NA 6 1877 Single Bag Catcher 6 0943 6 ...

Page 33: ...33 SECTION 5 ELECTRICAL SYSTEM SCHEMATIC WIRING HARNESS P N 2 6616 LT145H33GBV LT145H38GBV SCHEMATIC WIRING HARNESS P N 7 3998 LT150HG38KV ...

Page 34: ...E position 2 Move engine speed control to FAST 3 Fuel tank empty 3 Fill with fuel to proper level 4 Engine air pre cleaner and or air cleaner dirty 4 Clean free of all debris 5 Spark plug defective or gap set improperly 5 Service spark plug 6 Fuel filter stopped up 6 Replace fuel filter 7 Water debris or stale fuel in fuel system 7 Drain and clean fuel system Engine Loses Power 1 Excessive load on...

Page 35: ...d too fast 4 Move speed control to a slower speed 5 Deck side to side level requires adjustment 5 Adjust side to side level 6 Deck front to rear level requires adjustment 6 Adjust front to rear level 7 Cutting Blade dull or damaged 7 Sharpen cutting edges or replace blade 8 Blade belt requires replacement 8 Replace blade belt 9 Blade belt slipping 9 Replace blade belt Poor Grass Discharge 1 Engine...

Page 36: ...ck Pressures Page 6 X X Drive Belts Check For Wear And Tension Pages 26 28 X X Mower Blades Check Wear Damage And Blade Brake Pages 13 25 26 X Mower Deck Clean Debris Accumulation Page 6 X X X Mower Deck Clean Outside and Underside Page 6 X X X Lubrication Points Grease or Oil Pages 14 15 X X Hydrostatic Trans Oil Check Oil Level Page 16 X Reverse Lockout Mechanism Check Function Page 11 X Change ...

Page 37: ...iginal purchase date SNAPPER will not be responsible for any installation cost incurred The battery warranty only covers original equipment batteries and does not cover damage to the battery or machine caused by neglect or abuse destruction by fire explosion freezing overcharging improper maintenance or use of improper electrolyte There is no other express warranty DISCLAIMER OF WARRANTY Implied w...

Page 38: ...38 PRIMARY MAINTENANCE ...

Page 39: ...39 PRIMARY MAINTENANCE ...

Page 40: ...40 PRIMARY MAINTENANCE ...

Page 41: ...41 PRIMARY MAINTENANCE ...

Page 42: ..._________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ __________________...

Page 43: ..._________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ __________________...

Page 44: ... you have any questions about your Snapper product contact your local authorized Snapper dealer or contact Snapper Customer Service at Snapper McDonough GA 30253 Phone 1 800 935 2967 COPYRIGHT 2000 SNAPPER INC ALL RIGHTS RESERVED MANUAL No 7 4025 I R 9 19 00 WARNING ENGINE EXHAUST SOME OF ITS CONSTITUENTS AND CERTAIN VEHICLE COMPONENTS CONTAIN OR EMIT CHEMICALS KNOWN TO THE STATE OF CALIFORNIA TO ...

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