Snapper LT150H331BV, LT150H38IBV, WLT150H38IBV, WLT170H38IBV, Safety Instructions & Operator's Manual
Lawn tractor hydrostatic drive series i
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- Operator's manual (180 pages)
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MODEL DESIGNATION
ENGINE HP
DRIVE SYSTEM TYPE
CUTTING WIDTH
LT – Lawn Tractor Model Designation
WLT – Lawn Tractor Model Designation
150 – 15.0 HP Engine Horse Power
170 – 17.0 HP Engine Horse Power
H – Hydrostatic Transmission
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 equipment can be potentially
dangerous if used improperly. REMEMBER: SAFETY REQUIRES CAREFULL USE IN ACCORDANCE WITH
INSTRUCTIONS AND COMMON SENSE!
COPYRIGHT © 2002
SNAPPER INC.
ALL RIGHTS RESERVED
Safety Instructions & Operator's Manual for
MODEL NUMBER EXPLANATION
LT
150
H
LAWN TRACTOR
HYDROSTATIC DRIVE
38
I
B
33 – 33" Cutting Width Mower
38 – 38" Cutting Width Mower
I – Series Designation
B – Briggs & Stratton
V – Over Head Valve Type Engine
SERIES I
MODELS
LT150H33IBV
LT150H38IBV
WLT150H38IBV
WLT170H38IBV
V
ENGINE TYPE
ENGINE MODEL
SERIES DESIGNATION
MANUAL No. 7-2343 (I.R. 6/28/02)
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Table of Contents
Troubleshooting
Related Manuals for Snapper LT150H331BV, LT150H38IBV, WLT150H38IBV, WLT170H38IBV,
Summary of Contents for Snapper LT150H331BV, LT150H38IBV, WLT150H38IBV, WLT170H38IBV,
- Page 1 170 – 17.0 HP Engine Horse Power H – Hydrostatic Transmission 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”.
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Page 2: Important Safety Instructions
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). - Page 3 14. Have machine serviced by an authorized repair SNAPPER dealer at least once a year and have the dealer install any new safety devices. 15. Use only genuine SNAPPER replacement parts to assure that original standards are maintained.
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Page 4: Table Of Contents
Hydrostatic Transmission Oil...16 IMPORTANT The figures and illustrations in this manual are provided for reference only and may differ from your specific model. Contact your Snapper dealer if you have questions. TABLE OF CONTENTS SECTION 4 - ADJUSTMENTS & REPAIR... 17-32 ...12... -
Page 5: Section 1 - Familiarization
COMPONENTS nomenclature drawings above, essential components of the SNAPPER Lawn Tractor. It is recommended that all operators of this equipment become thoroughly familiar with the components and their operation BEFORE OPERATING. Specific details involving the engine are found in the separate Engine Owner’s Manual. -
Page 6: Operating Instructions
Section 2 - OPERATING INSTRUCTIONS 2.1 PRE-START CHECKLIST Make the following checks and perform service as 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. -
Page 7: Starting & Stopping Engine
Section 2 - OPERATING INSTRUCTIONS 2.3 STARTING & OPERATION 2.3.1. STARTING ENGINE 1. Take a comfortable position in seat of machine, look around to make sure that the area you are going to mow is clear of people, children and pets. Take note of any stationary obstacles! NOTE: The interlock system will prevent the engine from starting if the blade engagement lever is in the "ON"... -
Page 8: Starting & Stopping Wheel Drive
Section 2 - OPERATING INSTRUCTIONS 2.3 STARTING & OPERATION (continued) 2.3.2. STARTING WHEEL DRIVE 1. Shift speed control lever to neutral. 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. -
Page 9: Parking Brake
Section 2 - OPERATING INSTRUCTIONS 2.4 STOPPING 2.4.3. STOPPING MOWER BLADE 1. Stop mower blade by moving blade engagement lever down to the "OFF" position. See Figure 2.11. FIGURE 2.11 WARNING Once blade is disengaged, it should come to a complete stop in 5 seconds or less. -
Page 10: Rolling Tractor With Engine Off
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 CONTROL ALL THE WAY OUT TO DISENGAGE... -
Page 11: Reverse Lockout Mechanism
WARNING DO NOT operate machine if Reverse Lockout Mechanism is not functioning properly. Contact your SNAPPER dealer immediately for assistance. DANGER LOOK and SEE behind and down for children, pets and hazards before and while backing. BLADES must be turned off before backing machine. -
Page 12: Maintenance Instructions
SNAPPER dealer annually for inspection and addition of any new devices, which might upgrade the safety of the Tractor. For the nearest SNAPPER dealer in your area, check the yellow pages under the heading LAWN MOWERS. For engine parts and service, look for the engine manufacturer’s dealers... -
Page 13: Check Mower Blade
Section 3 - MAINTENANCE 3.2.3. CHECK MOWER BLADE (Continued) TORQUE 38” BLADES TO 70 TO 80 FT. LBS. FIGURE 3.3 3.2.4. CHECK 33" DECK DRIVE BELT 1. With engine "OFF", move blade engagement lever to "ON". 2. Measure blade cable extension spring. Spring should extend 1"... -
Page 14: Mower Components
Section 3 - MAINTENANCE 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 Section REPLACEMENT”. 3. Check mower deck for proper levelness. Refer to Section “MOWER DECK ADJUSTMENT - LEVELNESS”. -
Page 15: Steering Drag Link
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. FIGURE 3.10 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. -
Page 16: Service - Annually
Remove and replace engine spark plug. Refer to engine owner's manual for correct replacement plug and gap specifications. 3.4.4. The hydrostatic transmission does not require maintenance. immediately to an authorized Snapper dealer. FUEL TANK FUEL FILTER SPARK PLUG HYDROSTATIC TRANSMISSION OIL problems... -
Page 17: Adjustments & Repair
WARNING Blades must stop rotating in 5 seconds or less after blades have been turned off. DO NOT operate machine until blade brake has been adjusted and functioning properly. Contact your SNAPPER dealer for assistance. 4.2.1. BLADE BRAKE ADJUSTMENT The blade brake when properly adjusted will stop blade rotation in 5 seconds or less when the blade engagement lever is moved to the OFF position. -
Page 18: Blade Belt Adjustment (33" Deck)
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. - Page 19 Section 4 - ADJUSTMENT & REPAIR 4.2.4. ADJUSTING MOWER BLADE – 33” DECK (Continued from previous page) MEASURE THE DISTANCE BETWEEN DECK LIP AND BLADE TIP FIGURE 4.5 WARNING DO NOT attempt any adjustments, maintenance or service with the engine or blade running. STOP blade. STOP engine.
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Page 20: 33" Front To Rear Sector Plates
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. -
Page 21: (Deck Level Adjustment) 38" Side To Side
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. -
Page 22: (Deck Level Adjustment) 38" Front To Rear
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. -
Page 23: Steering Adjustment
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. -
Page 24: Traction Drive Belt Adjustment
Section 4 - ADJUSTMENT & REPAIR 4.3.4. TRACTION DRIVE BELT ADJUSTMENT Should a gradual loss of traction be noticed, it may be necessary to adjust the traction drive belt tension. Adjust as follows: 1. Move tractor to a firm, level surface. 2. -
Page 25: Mower Blade Service
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. -
Page 26: Mower Blade Replacement
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. -
Page 27: Traction Drive Belt Removal/Replace
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. - Page 28 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.
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Page 29: Blade Belt Removal & Replacement
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. -
Page 30: Battery Service
Section 4 - ADJUSTMENT & REPAIR 4.5 BATTERY 4.5.1. BATTERY REMOVAL 1. Raise operator's seat. 2. Remove the two adjusting knobs. 3. Remove seat assembly and move forward. Use care not to disconnect wires from seat switch. See Figure 4.41. REMOVE ADJUSTING KNOBS AND MOVE SEAT FORWARD... - Page 31 Section 4 - ADJUSTMENT & REPAIR WARNING DO NOT OVERFILL! DO NOT attempt to service or charge the battery while it is installed on the machine. DO NOT use “BOOST” chargers on the battery. 4.5.5. BATTERY TESTING There are two types of battery tests: Unloaded and Loaded.
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Page 32: Available Accessories
Section 4 - ADJUSTMENT & REPAIR AVAILABLE ACCESSORIES The SNAPPER Series H LAWN TRACTOR can be equipped with a variety of accessories that increase its versatility. The accessories available for each model are listed in the chart below. Contact an authorized SNAPPER dealer for ordering any of the accessories desired. -
Page 33: Section 5 - Electrical System
SECTION 5 - ELECTRICAL SYSTEM SCHEMATIC – WIRING HARNESS P.N. 2-6616 LT150H33IBV & LT150H38IBV SCHEMATIC – WIRING HARNESS P.N. 7-3998 LT150H38HKV... -
Page 34: Troubleshooting Guide
1. Service battery. 2. Replace fuse. 3. Clean and check connections for good contact. 4. Contact authorized SNAPPER dealer. 5. Release Start key and repeat attempt. If starter continues to spin contact Engine Dealer. 1. Move blade engagement switch to “OFF”. -
Page 35: Troubleshooting Guide
6. Replace traction drive belt. 1. Move switch to the “ON” position. 2. Adjust mower belt. 3. Replace mower belt. 4. Contact authorized SNAPPER dealer. 1. Bring to proper pressure. 2. Adjust cutting height. 3. Move engine speed control to “FAST”. -
Page 36: Maintenance Schedule
SUBJECT SERVICE TO BE PERFORMED Engine Check Oil Level Engine Initial Oil Change Engine Periodic Oil Change Air Pre-Cleaner Service Sponge Pre- Cleaner Element Air Cleaner Replace Element Spark Plug Replace Plugs Fuel Filter Replace Filter Engine Cooling Clean Shrouds & Fins System Battery Check Electrolyte... -
Page 37: Warranty
This warranty does not apply to parts that have been damaged by accident, alteration, abuse, improper lubrication, normal wear, or other cause beyond the control of SNAPPER. This warranty does not cover any machine or component part that has been altered or modified changing safety, performance, or durability. -
Page 38: Primary Maintenance
PRIMARY MAINTENANCE... - Page 39 PRIMARY MAINTENANCE...
- Page 40 PRIMARY MAINTENANCE...
- Page 41 PRIMARY MAINTENANCE...
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Page 42: Product Registration Form
Date of Purchase ________________________________________________________ Retailer ________________________________________________________________ Retailer’s Phone Number ________________________________________________ It is very important that you register your purchase with Snapper to ensure warranty coverage. Please mail your product registration card to: Snapper at P.O. Box 777, McDonough, Georgia 30253. - Page 43 SERVICE NOTES ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________...
- Page 44 HYDROSTATIC DRIVE SERIES I Snapper products are built using engines that meet or exceed all applicable emissions requirements on the date manufactured. The labels on those engines contain very important emissions information and critical safety warnings. Read, Understand, and Follow all warnings and instructions in this manual, the engine manual, and on the machine, engine and attachments.