Summary of the content on the page No. 1
Safety Instructions & Operator’s Manual for
LAWN TRACTOR
HYDROSTATIC DRIVE
SERIES I
MODELS
LT150H33IBV
LT150H38IBV
WLT150H38IBV
WLT170H38IBV
MODEL NUMBER EXPLANATION
LT 150 H 38 I B V
MODEL DESIGNATION
ENGINE HP ENGINE TYPE
DRIVE SYSTEM TYPE ENGINE MODEL
CUTTING WIDTH SERIES DESIGNATION
LT – Lawn Tractor Model Designation 33 – 33” Cutting Width Mower
WLT – Lawn Tractor Model Designation 38 – 38” Cutting Width Mower
150 – 15.0 HP Engine Horse Power
Summary of the content on the page No. 2
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
Summary of the content on the page No. 3
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 loads Immediately STOP blades, STOP engine, and to those you can safely control and attach loads to STOP machine if anyone enters the area. hitch plate as specified with SNAPPER attachment 8. Check shields, deflectors, switches, blade instructions. controls and other safety devi
Summary of the content on the page No. 4
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”
Summary of the content on the page No. 5
Section 1 - FAMILIARIZATION CONTROL PANEL PARK BRAKE CHOKE FAST LEVER SLOW CLUTCH/BRAKE DOWN PEDAL KEY CUTTING HEIGHT ENGINE SPEED OPERATOR’S ADJUSTMENT LEVER CONTROL SEAT STEERING WHEEL SEAT ADJUSTMENT KNOB DASHBOARD CONTROLS SPEED CONTROL FUEL TANK LEVER (UNDER HOOD) BATTERY (UNDER SEAT) HOOD OVERRIDE LEVER HEADLIGHTS BLADE ENGAGEMENT LEVER DISCHARGE DEFLECTOR ENGINE M
Summary of the content on the page No. 6
Section 2 - OPERATING INSTRUCTIONS 2.1 PRE-START CHECKLIST Make the following checks and perform service as required before each start-up. FUEL TANK 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 2.1.3. Check engine o
Summary of the content on the page No. 7
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
Summary of the content on the page No. 8
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
Summary of the content on the page No. 9
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
Summary of the content on the page No. 10
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
Summary of the content on the page No. 11
Section 2 - OPERATING INSTRUCTIONS 2.7. REVERSE LOCKOUT MECHANISM 2.7.1. Reverse Lockout Mechanism Override 1. Stop machine. Stop blades. Data indicates that tragic back-over accidents occur 2. Depress and hold Override Lever. each year. These accidents usually involve unsupervised 3. Raise blade engagement lever to "ON". children. Many times these children have been given 4. Release override lever. rides on the machine and have been trained to view this potentially dangerous piec
Summary of the content on the page No. 12
Section 3 - MAINTENANCE 3.1 INTRODUCTION “ADJUSTING MOWER BLADE”. To retain the quality of the Tractor, use genuine 5. Check torque of blade mounting bolts. Torque to: SNAPPER replacement parts only. Contact a local 33” deck – 30 to 40 ft. lbs. See Figure 3.2. SNAPPER dealer for parts and service assistance. For 38” deck – 70 to 80 ft. lbs. See Figure 3.3. the correct part or information for a particular Tractor, always mention the model and serial number. SNAPPER recommen
Summary of the content on the page No. 13
Section 3 - MAINTENANCE 3.2.3. CHECK MOWER BLADE (Continued) 2. Change air filter. Pull up and rotate the air cleaner latch to remove cleaner cover. See Figure 3.5. IMPORTANT: When cover is removed, you are viewing the carburetor side of the air filter, which will appear clean. Remove filter and pre-cleaner for inspection. AIR CLEANER LATCH TORQUE 38” BLADES TO 70 TO 80 FT. LBS. FIGURE 3.3 3.2.4. CHECK 33" DECK DRIVE BELT 1. With engine "OFF",
Summary of the content on the page No. 14
Section 3 - MAINTENANCE 3.3.2. MOWER COMPONENTS 3. Clutch/Brake Pivot 1. Check deck drive belt for proper tension. Refer The clutch/brake pivot is located on the left hand underside of the tractor and is lubricated with one to Section “CHECK DECK DRIVE BELT”. shot of general purpose grease. See Figure 3.8. 2. Check blades for sharpness, wear, damage and torque. Refer to Section “MOWER BLADE REPLACEMENT”. CLUTCH/BRAKE 3. Check mower deck for proper levelness. Refer PIVOT LUBRICATIO
Summary of the content on the page No. 15
Section 3 - MAINTENANCE 6. Steering Drag Link Lubricate both ends of steering drag link with a small amount of SAE30 oil. See Figure 3.10. LUBRICATE COMPONENTS ON UNDERSIDE OF TRACTOR DRAG LINK LUBRICATION POINT BLADE ENGAGEMENT LEVER FIGURE 3.10 FIGURE 3.12 3.3.4. TRACTOR LUBRICATION (Continued From Previous Page) 9. Park Brake Lever 7. Steering Tie Rod Using general purpose grease, lubricate the park Lubricate both ends of steering tie rod with a small brake le
Summary of the content on the page No. 16
Section 3 - MAINTENANCE 3.4 SERVICE - ANNUALLY 3.4.3. SPARK PLUG Remove and replace engine spark plug. Refer to 3.4.2. FUEL FILTER engine owner's manual for correct replacement plug 1. Service fuel filter as instructed below, on COLD and gap specifications. ENGINE ONLY! NOTE: It may be necessary to drain the fuel tank before 3.4.4. HYDROSTATIC TRANSMISSION OIL The hydrostatic transmission does not require removing fuel filter to prevent spillage of gasoline. maintenance. If any
Summary of the content on the page No. 17
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
Summary of the content on the page No. 18
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
Summary of the content on the page No. 19
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 L
Summary of the content on the page No. 20
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
