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Safety Instructions & Operator's Manual for
LAWN TRA C TOR
HYDROSTA TIC DRIVE
SERIES G
MODELS
HYDROSTA TIC DRIVE
L T145H33GBV
L T145H38GBV
L T150H38GKV
MODEL NUMBER EXPLANATION
ILTI 1 ,Ivl
MODEL DESIGNATION _
I
ENGINE HP ENGINE TYPE
DRIVE SYSTEM TYPE ENGINE MODEL
CUTTING WIDTH SERIES DESIGNATION
LT - Lawn Tractor Model Designation 38 - 38" Cutting Width Mower
145 - 14.5 HP, 150 - 15.0 HP Engine Horse Power G - Series Designation
H - Hydrostatic Transmission B - Briggs & Stratton, K - Kohler Engi
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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 bo
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IMPORTANT SAFETY INSTRUCTIONS PREPARATION OPERATION (Continued From Previous Page) (Continued From Previous Column) area. 7. Keep people and pets out of mowing 14. Exercise CAUTION when pulling loads. Limit Immediately STOP blades, STOP engine, and loads to those you can safely control and attach STOP machine if anyone enters the area. loads to hitch plate as specified with SNAPPER 8. Check shields, deflectors, switches, blade attachment instructions. controls and other safety devices frequently
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TABLE OF CONTENTS IMPORTANT SAFETY INSTRUCTIONS .......... 2 - 3 SECTION 4 - ADJUSTMENTS & REPAIR ........................... 17-32 TABLE OF CONTENTS ........................................ 4 Engine Adjustments & Repair .......................... 17 Mower Deck & Component Adjustments ........ 17 SECTION 1 - FAMILIARIZATION ......................... 5 Blade Brake Adjustment ................................... 17 Components ........................................................ 5 33" Deck Blade
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Section 1 - FAMILIARIZATION CONTROL PANEL PARK BRAKE LEVER CUTTING HEIGHT OPERATOR'S ADJUSTMENT LEVER STEERING SEAT WHEEL ADJUSTMENT KNOB SPEED DASHBOARD CONTROLS LEVER FUEL TANK (UNDER HOOD) BATTERY (UNDERSEAT) HOOD OVERRIDE LEVER BLADE ENGAGEMENT LEVER HEADLIGHTS DISCHARGE DEFLECTOR MOWING DECK ENGINE (33" SHOWN) FIGURE 1.1 COMPONENTS Study the Important Safety Instructions, this Operator's Manual and Engine Owner's Manual before operating The nomenclature drawings above, illustrate the essent
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Section 2 - OPERATING INSTRUCTIONS 2.1 PRE-START CHECKLIST Make the following checks and perform service as required before each start-up. FUEL TANK q 2.1.1. Check tires and add air as needed to bring / pressure to 12 P.S.I. in front tires and 12 P.S.I. in rear tires. 2.1.2. Check guards, deflectors and covers to make sure all are in place and securely tightened. If guards are missing or damaged, replace BEFORE using mower. TIGHTEN CAP _ AFTER 2.1.3. Check engine oil and add oil as needed to FIL
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Section 2 - OPERATING INSTRUCTIONS 2.3 STARTING & OPERATION 5. Choke engine for cold starting by moving engine 2.3.1. STARTING ENGINE speed control to "CHOKE" position. Little or no 1. Take a comfortable position in seat of machine, choking will be needed when restarting a warm engine. Insert key in switch. Turn key to "START" look around to make sure that the area you are going to position to crank engine and hold until engine starts, mow is clear of people, children and pets. Take note of then
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Section 2 - OPERATING INSTRUCTIONS 2.4 STOPPING ENGINE, BLADE, & WHEEL DRIVE 2.3 STARTING & OPERATION (continued) 2.3.2. STARTING WHEEL DRIVE 2.4.1. STOPPING ENGINE 1. Shift speed control lever to neutral. 1. Stop engine by turning key to the "OFF" position. 2. Start engine. Refer to Section "STARTING See Figure 2.9. ENGINE". 3. Release clutch/brake pedal. 4. Slowly shift speed control lever forward for forward motion or to the rear for reverse motion. See Figure 2.7. I --REVERSE FIGURE 2.9 2.4.
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Section 2 - OPERATING INSTRUCTIONS 2.4 STOPPING 2.4.5. RELEASING PARK BRAKE 2.4.3. STOPPING MOWER BLADE 1. Fully depress clutch/brake pedal. Move park brake 1. Stop mower blade by moving blade engagement lever "DOWN" to release park brake. Release lever down to the "OFF" position. See Figure 2.11. clutch/brake pedal. See Figure 2.13. PARK BRAKE LEVER CLUTCH/BRAKE BLADE j LEVER ! OFF FIGURE 2.11 WARNING FIGURE 2.13 Once blade is disengaged, it should come to a complete stop in 5 seconds or less.
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Section 2 - OPERATING INSTRUCTIONS 2.6. ROLLING TRACTOR WITH ENGINE OFF 2.6.1. Rolling Hydro Models 1. With engine "OFF", move to rear of tractor. 2. Pull the roll release control all the way out to disengage the hydro transmission. See Figure 2.15. PULL ROLL RELEASE DO NOT disengage the hydro transmission and coast CONTROL ALL THE WAY down slopes. DO NOT use Roll Release Control to disengage the hydro transmission unless machine motion can be controlled and engine is off. J / PUSH ROLL RELEASE
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Section 2 - OPERATING INSTRUCTIONS 2.7. REVERSE LOCKOUT MECHANISM 2.7.1. Reverse Lockout Mechanism Override 1. Stop machine. Stop blades. 2. Depress and hold Override Lever. Data indicates that tragic back-over accidents occur 3. Raise blade engagement lever to "ON". each year. These accidents usually involve unsupervised 4. Release override lever. children. Many times these children have been given rides on the machine and have been trained to view this potentially dangerous piece of machinery
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Section 3 - MAINTENANCE 3.1 INTRODUCTION 4. Check blade for straightness. Refer to Section "ADJUSTING MOWER BLADE". To retain the quality of the Tractor, use genuine SNAPPER replacement parts only. Contact a local SNAPPER dealer 5. Check torque of blade mounting bolts. Torque to: for parts and service assistance. For the correct part or 33" deck - 30 to 40 ft. Ibs. See Figure 3.2. informationfor a particularTractor,alwaysmentbn the model 38" deck - 70 to 80 ft. Ibs. See Figure 3.3. f and serial
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Section 3 - MAINTENANCE 3.3 SERVICE - EVERY 25 OPERATING HOURS 3.2.3. CHECK MOWER BLADE (Continued) 3.3.1. CHECK ENGINE 1. Change engine oil. Refer to Section "CHANGE ENGINE OIL". Refer to engine owner's manual for oil specification. 2. Remove and clean engine air pre-cleaner. See Figure 3.5. Refer to engine owner's manual for cleaning instructions. AIR CLEANER TORQUE 38" BLADES TO 70 TO 80 FT. LBS. FIGURE 3.3 3.2.4. CHECK 33" DECK DRIVE BELT ENGINE AIR 1. With engine "OFF". move blade engagemen
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Section 3 - MAINTENANCE 3.3.4. TRACTOR LUBRICATION 4. Steering Sector Gear 1. Front Wheel Bearings Lubricate with a light coat of general purpose grease. Lubricate each front wheel bearing through the See Figure 3.8. grease fitting on wheel hub. Using general purpose grease in a grease gun, add grease until grease FUEL TANK purges from bearing. See Figure 3.6. SECTOR SPINDLE LUBRICATION FITTING SECTOR GEAR f FRONT WHEEL BEARING LUBRICATION FITTING FIGURE 3.6 FIGURE 3.8 2. Axle Spindles Lubricate
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Section 3 - MAINTENANCE 3.3.4. TRACTOR LUBRICATION (Continued From Previous Page) 7. Steering Tie Rod Lubricate both ends of steering tie rod with a small amount of SAE30 oil. See Figure 3.10. PARK BRAKE LEVER LUBRICATE LUBRICATE COMPONENTS BOTH ENDS ON UNDERSIDE OF TRACTOR OF TIE ROD 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
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Section 3 - MAINTENANCE 3.4 SERVICE - ANNUALLY 3.4.2. FUEL FILTER (Continued From Previous Page) See 3. Install new fuel filter part number 1-4359. Figure 3.14. NEW FUEL FILTER PART NUMBER 1-4359 FIGURE 3.14 4. Fill fuel tank with fresh 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 trans
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Section 4 - ADJUSTMENT & REPAIR WARNING DO NOT attempt any adjustments, maintenance or service with the engine or blade running. STOP blade. STOP engine. Set brake. Remove key. Remove spark plug wire from spark plug and secure wire away from spark plug. Engine and components can be extremely hot. Avoid burns by allowing engine and components sufficient time to cool. 4.1 ENGINE ADJUSTMENTS & REPAIR Refer to the engine owner's manual for those adjustments and/or repairs that can be made by the own
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Section 4 - ADJUSTMENT & REPAIR 8. (33" Deck) To adjust tension, remove extension rod WARNING mounting bolt and nut. See Figure 4.4. DO NOT attempt any adjustments, maintenance or 9. Move extension rod to next hole towards rear of service with the engine or blade running. STOP blade. deck and secure with mounting bolt and nut. STOP engine. Set brake. Remove key. Remove spark 10. Measure extension spring with blade engagement plug wire from spark plug and secure wire away from lever in the "ON" a
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Section 4 - ADJUSTMENT & REPAIR 4.2.4. ADJUSTING MOWER BLADE- 33" DECK 4.2.5. 33" DECK LEVEL ADJUSTMENT (SIDE TO SIDE) (Continued from previous page) 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 MEASURE THE DISTANCE BETWEEN DECK LIP AND to sector plates. See Figure 4.7. BLA
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Section 4 - ADJUSTMENT & REPAIR 33"DECK SHOWN WARNING REAR FRONT DO NOT attempt any adjustments, maintenance or service with the engine or blade running. STOP blade. STOP engine. Set brake. Remove key. Remove spark X + 1/4" X plug wire from spark plug and secure wire away from spark plug. Engine and components can be extremely f MEASURE FROM BLADE hot. Avoid burns by allowing engine and components TIPS TO FLOOR sufficient time to cool. FIGURE 4.11 4.2.5. 33" DECK LEVEL ADJUSTMENT (SIDE TO SIDE)
