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IMPORTANT SAFETY INSTRUCTIONS 

 

WARNING: This powerful cutting machine is capable of amputating hands and feet and can throw objects that 
can cause injury and damage! Failure to comply with the following SAFETY instructions could result in serious 
injury or death to the operator or other persons. The owner of the machine must understand these instructions 
and must allow only persons who understand these instructions to operate machine. Each person operating the 
machine must be of sound mind and body and must not be under the influence of any substance, which might 
impair vision, dexterity or judgment. 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  

Tragic accidents can occur if the operator is not alert 
to the presence of children. Children are often 
attracted to the machine and the mowing activity. 
Never assume that children will remain where you last 
saw them. 
1.  KEEP children out of the mowing area and under 

the watchful care of a responsible adult.  

2.  DO NOT allow children in yard when machine is 

operated (even with the blade OFF).  

3.  DO NOT allow children or others to ride on 

machine or on attachments (even with the blades 
OFF). They may fall and be seriously injured.  

4.  DO NOT allow pre-teenage children to operate 

machine. 

5.  ALLOW only responsible adults & teenagers with 

mature judgment under close adult supervision to 
operate machine.  

6.  DO NOT operate blades in reverse. STOP BLADES. 

LOOK and SEE behind and down for children, pets 
and hazards before and while backing. 

7. USE EXTRA CARE when approaching blind 

corners, shrubs, trees, or other objects that may 
obscure vision.  

 

PROTECTION AGAINST TIPOVERS  

Slopes are a major factor related to loss-of-control 
and tip-over accidents, which can result in severe 
injury or death. All slopes require extra CAUTION. If 
you cannot back up the slope or if you feel uneasy on 
the slope, DO NOT mow it. Use extra care with grass 
catchers or other attachments; these affect the 
handling and the stability of the machine.  
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 traction, turn blades OFF and back 
slowly down the slope.  

 
 

 

PROTECTION AGAINST TIPOVERS  

(Continued From Previous Column) 
5.  STAY ALERT for holes and other hidden hazards. 

Tall grass can hide obstacles. Keep away from 
ditches, washouts, culverts, fences and 
protruding objects.  

6.  KEEP A SAFE DISTANCE (at least 3 feet) away 

from edge of ditches and other drop offs. The 
machine could turn over if an edge caves in.  

7.  Always begin forward motion slowly and with 

caution. 

8.  Use weights or a weighted load carrier in accordance 

with instructions supplied with a grass catcher. DO 
NOT operate machine on slopes exceeding 10 
degrees (18% grade) when equipped with grass 
catcher. 

9.  DO NOT put your foot on the ground to try to 

stabilize the machine.  

10. DO NOT operate machine on wet grass. Reduced 

traction could cause sliding.  

11. DO NOT operate machine under any condition 

where traction, steering or stability is doubtful. 

 

PREPARATION 

1.  Read, understand, and follow instructions and 

warnings in this manual and on the machine, 
engine and attachments. Know the controls and 
the proper use of the machine before starting. 

2.  Only mature, responsible persons shall operate 

the machine and only after proper instruction.  

3.  Data indicates that operators age 60 and above, 

are involved in a large percentage of mower-
related injuries. These operators should evaluate 
their ability to operate the mower safely enough to 
protect themselves and others from serious injury. 

4.  Handle fuel with extra care. Fuels are flammable 

and vapors are explosive. Use only an approved 
fuel container. DO NOT remove fuel cap or add 
fuel with engine running. Add fuel outdoors only 
with engine stopped and cool. Clean spilled fuel 
from machine. DO NOT smoke.  

5.  Practice operation of machine with BLADES OFF 

to learn controls and develop skills. 

6.  Check the area to be mowed and remove all 

objects such as toys, wire, rocks, limbs and other 
objects that could cause injury if thrown by blade 
or interfere with mowing.  

 

Summary of Contents for LT145H33GBV

Page 1: ...ation 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...

Page 2: ...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 o...

Page 3: ...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...

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 Adjustme...

Page 5: ...wner 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 ope...

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...

Page 7: ...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...

Page 8: ...o 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...

Page 9: ...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 p...

Page 10: ...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...

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...

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 t...

Page 13: ...d 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...

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 G...

Page 15: ...r 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...

Page 16: ...h 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 specificatio...

Page 17: ...y 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 adj...

Page 18: ...o 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...

Page 19: ...EL 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 und...

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...

Page 21: ...istance 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...

Page 22: ...rning 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 t...

Page 23: ...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 cr...

Page 24: ...uld 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 Sta...

Page 25: ...e 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...

Page 26: ...IGURE 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 dec...

Page 27: ...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...

Page 28: ...de 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...

Page 29: ...ee 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...

Page 30: ...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 bak...

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 measu...

Page 32: ...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 R...

Page 33: ...33 SECTION 5 ELECTRICAL SYSTEM SCHEMATIC WIRING HARNESS P N 2 6616 LT145H33GBV LT145H38 GBV SCHEMATIC WIRING HARNESS P N 2 4815 LT15OHGKV...

Page 34: ...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...

Page 35: ...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...

Page 36: ...k 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 De...

Page 37: ...ginal 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...

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 SNA...

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