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Safety Instructions & Operator’s Manual for
LAWN TRACTOR
HYDROSTATIC DRIVE
SERIES G
MODELS
HYDROSTATIC DRIVE
LT145H33GBV
LT145H38GBV
LT150H38GKV
MODEL NUMBER EXPLANATION
LT 145 H 38 G B V
MODEL DESIGNATION
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 Transm
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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
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IMPORTANT SAFETY INSTRUCTIONS PREPARATION OPERATION (Continued From Previous Page) (Continued From Previous Column) 7. Keep people and pets out of mowing area. 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 devi
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TABLE OF CONTENTS IMPORTANT SAFETY INSTRUCTIONS..........2 - 3 SECTION 4 - ADJUSTMENTS & REPAIR........................... 17-32 Engine Adjustments & Repair ..........................17 TABLE OF CONTENTS........................................ 4 Mower Deck & Component Adjustments........17 Blade Brake Adjustment ...................................17 SECTION 1 - FAMILIARIZATION ......................... 5 Components ........................................................5 33”
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Section 1 - FAMILIARIZATION CONTROL PANEL PARK BRAKE CHOKE FAST LEVER SLOW CLUTCH/BRAKE DOWN PEDAL KEY ENGINE SPEED CUTTING HEIGHT OPERATOR’S CONTROL ADJUSTMENT LEVER SEAT STEERING SEAT WHEEL ADJUSTMENT KNOB SPEED DASHBOARD CONTROL CONTROLS LEVER FUEL TANK (UNDER HOOD) BATTERY (UNDER SEAT) HOOD OVERRIDE LEVER BLADE ENGAGEMENT LEVER HEADLIGHTS DISCHARGE DEFLECTOR MOW
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Section 2 - OPERATING INSTRUCTIONS 2.1 PRE-START CHECKLIST Make the following checks and perform service as FUEL TANK required before each start-up. 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 e
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Section 2 - OPERATING INSTRUCTIONS 2.3 STARTING & OPERATION 5. Choke engine for cold starting by moving engine speed control to "CHOKE" position. Little or no 2.3.1. STARTING ENGINE choking will be needed when restarting a warm 1. Take a comfortable position in seat of machine, 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 n
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Section 2 - OPERATING INSTRUCTIONS 2.3 STARTING & OPERATION (continued) 2.4 STOPPING ENGINE, BLADE, & WHEEL DRIVE 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. See Figure 2.9. 2. Start engine. Refer to Section “STARTING ENGINE”. 3. Release clutch/brake pedal. 4. Slowly shift speed control lever forward for forward motion or to the rear for reverse motion. See RUN OFF START Figure
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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 lever “DOWN” to release park brake. Release 1. Stop mower blade by moving blade engagement lever down to the "OFF" position. See Figure 2.11. clutch/brake pedal. See Figure 2.13. PARK BRAKE LEVER CLUTCH/BRAKE BLADE PEDAL ENGAGEMENT LEVER OFF FULLY DEPRESS CLUTCH/BRAKE FIGURE 2.11 PEDAL WARNING FIGURE 2.13
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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. WARNING PULL ROLL RELEASE CONTROL ALL THE WAY DO NOT disengage the hydro transmission and coast OUT TO DISENGAGE down slopes. DO NOT use Roll Release Control to HYDRO TRANSMISSION disengage the hydro transmissio
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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 pie
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Section 3 - MAINTENANCE 3.1 INTRODUCTION 4. Check blade for straightness. Refer to Section To retain the quality of the Tractor, use genuine SNAPPER “ADJUSTING MOWER BLADE”. 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. lbs. See Figure 3.2. information for a particular Tractor, always mention the model 38” deck – 70 to 80 ft. lbs. See Fig
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Section 3 - MAINTENANCE 3.2.3. CHECK MOWER BLADE (Continued) 3.3 SERVICE - EVERY 25 OPERATING HOURS 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. ENGINE 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 en
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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. See Figure 3.8. Lubricate each front wheel bearing through the 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. STEERING SECTOR AXLE SPINDLE LUBRICATION FITTING SECTOR GEAR FRONT WHEEL BEARING LUBRICATION FITTING FIGURE 3.6
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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 OPERATI
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Section 3 - MAINTENANCE 3.4 SERVICE - ANNUALLY 3.4.2. FUEL FILTER (Continued From Previous Page) 3. Install new fuel filter part number 1-4359. See 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
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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
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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 i
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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 to sector plates. See Figure 4.7. BETWEEN DECK
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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” plug wire from spark plug and secure wire away from spark plug. Engine and components can be extremely 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 ADJUS
