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IMPORTANT: Read safety rules and instructions carefully
Warning:
This unit is equipped with an internal combustion engine and should not be used on or near any unimproved forest-covered,
brush-covered or grass-covered land unless the engine's exhaust system is equipped with a spark arrester meeting applicable local or state
laws (if any). If a spark arrester is used, it should be maintained in effective working order by the operator. In the State of California the
above is required by law (Section 4442 of the California Public Resources Code). Other states may have similar laws. Federal laws apply
on federal lands. A spark arrester for the muffler is available through your nearest engine authorized service dealer or contact the service
department, P.O. Box 361131 Cleveland, Ohio 44136-0019.
PRINTED IN U.S.A.
Operator's Manual
MTD LLC, P.O. Box 361131 Cleveland, Ohio 44136-0019
Hydrostatic
Lawn Tractor
Model LT942H & LT946H
(13A4616G790) & (13A4616H790)
FORM NO. 770-10314E.fm
(12/3/2004)
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Table of Contents
Related Manuals for White Outdoor LT942H
Summary of Contents for White Outdoor LT942H
- Page 1 Operator’s Manual Hydrostatic Lawn Tractor Model LT942H & LT946H (13A4616G790) & (13A4616H790) IMPORTANT: Read safety rules and instructions carefully Warning: This unit is equipped with an internal combustion engine and should not be used on or near any unimproved forest-covered, brush-covered or grass-covered land unless the engine’s exhaust system is equipped with a spark arrester meeting applicable local or state...
- Page 2 Service Important Safe Operation Practices Attachments & Accessories Tractor Set-Up Illustrated Parts List Operation White Outdoor Engines Manual Making Adjustments Warranty Back Cover Maintenance FINDING MODEL NUMBER This Operator’s Manual is an important part of your new lawn tractor. It will help you assemble, prepare and maintain the unit for best performance.
- Page 3 SECTION 1: IMPORTANT SAFE OPERATION PRACTICES WARNING: This symbol points out important safety instructions which, if not followed, could endanger the personal safety and/or property of yourself and others. Read and follow all instructions in this manual before attempting to operate this machine. Failure to comply with these instructions may result in personal injury.
- Page 4 28. Data indicates that operators, age 60 years and above, tractor may speed up, braking and steering ability are are involved in a large percentage of riding mower- reduced, attachment may jack-knife and cause tractor to related injuries. These operators should evaluate their overturn).
- Page 5 White Outdoor dealer. TO REDUCE THE RISK OF INJURY, DO NOT OPERATE UNLESS DISCHARGE COVER OR GRASS CATCHER IS IN ITS PROPER PLACE.
- Page 6 SECTION 2: SLOPE GAUGE...
- Page 7 SECTION 3: TRACTOR SET-UP Attaching the Battery Cables NOTE: If these cables are already attached, ignore these steps and proceed to “Gas & Oil Fill-Up.” The positive battery terminal is marked Pos. IMPORTANT: (+). The negative battery terminal is marked Neg. (–). 1.
- Page 8 SECTION 4: OPERATION Know the Controls Read this owner’s manual and safety rules before operating your lawn mower. Compare figure below with your lawn tractor to learn about the location and purpose of various controls and adjustments. Save this manual for future reference.
- Page 9 Throttle Control Lever Fast The throttle control lever is located on the right side of the tractor’s dash Position panel and controls the speed of the engine. When set in a given position, the throttle will maintain a uniform engine speed. Choke Control The choke control can be found on the left side of the dash panel and is activated by pulling the knob outward.
- Page 10 Ignition Switch To start the engine, insert the key into the ignition switch and turn clockwise to the START position. Release the key into the NORMAL MOWING MODE position once the engine has fired. To stop the engine, turn the ignition key counterclockwise to the OFF position.
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Page 11: Safety Interlock Switches
If the interlock system AVOID SERIOUS INJURY OR DEATH should ever malfunction, do not operate the tractor. Contact an authorized White Outdoor service dealer. • GO UP AND DOWN SLOPES, NOT ACROSS. • The safety interlock system prevents the engine from •... -
Page 12: Starting The Engine
The REVERSE CAUTION MODE position of the key switch module allows the tractor to be operated in reverse with the blades (PTO) engaged. IMPORTANT: Mowing in reverse is not recommended. To use the REVERSE CAUTION MODE: The operator MUST be seated in the tractor seat. IMPORTANT: 1. -
Page 13: Driving The Tractor
75 feet from the machine while it is in operation. Stop machine if anyone enters the area. This tractor is equipped with one of White Outdoor’s high quality cutting decks. The following information will be helpful when using the cutting deck with your tractor. -
Page 14: Parking Brake Adjustment
SECTION 5: MAKING ADJUSTMENTS WARNING: Never attempt to make any adjustments while the engine is running, except where specified in the operator’s manual.Disconnect spark plug wire(s) and ground against the engine before performing any adjustments, repairs or maintenance. Seat WARNING: Before operating this machine, make sure the seat is engaged in the seat stop, stand behind the machine and pull back on seat until fully engaged into stop. -
Page 15: Leveling The Deck
Front tire toe-in can be measured as follows: 1. Place the steering wheel in position for straight ahead travel. 2. In front of the axle, measure the distance horizontally from the inside of the left rim to the inside of the right rim. Note the distance. - Page 16 Lubrication Engine • Lubricate the engine with motor oil as instructed in the White Outdoor Engines Operator’s Manual located after the Parts List section of this manual. Pivot Points & Linkage •...
- Page 17 The spark plug should be cleaned and the gap reset once a season. Spark plug replacement is recommended at the start of each mowing season. Refer to the White Outdoor Engines Operator’s Manual for correct plug type and gap specifications.
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Page 18: Tire Pressure
SECTION 7: SERVICE WARNING: Before servicing, repairing, or inspecting, always disengage PTO, set parking brake, stop engine and remove key from tractor to prevent unintended starting. Tire Pressure Never exceed the maximum inflation pressure shown on the sidewall of the tire. IMPORTANT: •... - Page 19 Jump-Starting Do not jump-start a damaged battery. Before connecting the jumper cables, make sure that the two IMPORTANT: equipment are not in contact and their ignitions are turned off. Follow the sequence described below very closely. 1. Connect the positive (+) lead of the jumper cable to the positive (+) post of the discharged battery. 2.
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Page 20: Cutting Blades
Cutting Blades WARNING: Shut tractor engine off, remove ignition key, disconnect the spark plug wire(s) and ground against the engine before proceeding with job. Protect your hands by using heavy gloves or a rag to grasp the cutting blade. Periodically inspect the blade adapter and/or spindle for cracks or damage, especially if you strike a foreign object. Replace immediately if damaged Remove the blades following instructions below: 1. - Page 21 • Grasp the ratchet’s handle and pivot it toward the front of the tractor to relieve tension on the belt. • With belt tension relieved, carefully remove the belt from around the left-hand spindle pulley. Carefully allow the ratchet to pivot rearward before removing it from the square hole. IMPORTANT: 46”...
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Page 22: Hydrostatic Transmission
*Not compatible with tractors equipped with a Grass Collector NOTE: Model Series LT942H and LT946H Lawn Tractors are NOT designed for use with any type of ground- engaging attachments (e.g. tiller or plow). Use of this type of equipment WILL void the tractor’s warranty. - Page 23 SECTION 8: TROUBLESHOOTING Trouble Possible Cause(s) Corrective Action Engine fails to start PTO lever engaged. Place PTO lever in OFF position. Parking brake not engaged. Engage parking brake. Spark plug wire(s) disconnected. Connect wire(s) to spark plug. Choke not activated. Pull out the choke control.
- Page 24 SECTION 9: PARTS LIST FOR MODELS LT942H & LT946H 28 25 (Part of #26)
- Page 25 Models LT942H & LT946H Ref. Part Ref. Part Description Description 710-3015 Hex Cap Screw, 1/4-20 x.75 712-0142 Hex Nut, 8-32 710-0599 Self-tapping Screw, 1/4-20 x.5 631-04151 Dash Panel, 4-style w/ Cargo Net 712-04064 Flange Lock Nut, 1/4-20 731-04213 Parking Brake Button 710-0895 Self-tapping Screw, 1/4-15 x.75...
- Page 26 Models LT942H & LT946H...
- Page 27 716-0106A Ring, E Type,.625 Dia. 720-0311 Grip, Handle, 1/2 732-0874 Spring, Torsion 738-0138A Screw, 5/16-18 x.620 Gr2 738-04130 Screw, Shld,.625 x.165, 3/8-16 (LT942H) 738-0380 Screw, Shld,.50 x.27, 3/8-16 (LT946H) 741-0225 Bearing, Hex Flange 746-0968 Cable, Lift, 16.16 747-04155 Handle, Lift...
- Page 28 Models LT942H & LT946H...
- Page 29 783-0728 Pivot Bracket, Bar 631-04008 Steering Wheel, 3 Spoke, Soft Grip 731-04065 Steering Wheel Cover 738-04128 Shlder Screw,.5 x 2.380, 3/8-16 (LT942H) 738-1011A Shlder Screw,.5 x 2.2, 3/8-16 (LT946H) 734-2290A Deluxe Hub Cap 736-0316 Flat Washer,.78 x 1.589 x.06 714-04039 Cotter Pin, 5/32 x 1.25...
- Page 30 Models LT942H & LT946H...
- Page 31 Models LT942H & LT946H Ref. Part Ref. Part Description Description 17840 Transmission Mounting Bracket 756-0116A Idler Pulley 618-0319 Hydrostatic Transmission 756-0981B Flat Idler Pulley 629-0949A Harness Assembly (Not Shown) 756-04111 Input Pulley 710-0227 AB Screw #8-18 x 0.5 783-04442 Idler Bracket 710-0344 Hex Bolt 3/8-16 x 1.5...
- Page 32 Model LT942H To Deck For a proper IMPORTANT: working machine, use Factory Approved Parts. V-belts are designed to engage and disengage safely. A substitute (non OEM) V-belt can be dangerous by not disengaging completely.
- Page 33 Model LT942H REF. PART REF. PART DESCRIPTION DESCRIPTION 17962 Plate, Switch 683-04173 Frame Assembly, Lower 647-04036 Lever Assembly, Engagement 710-0607 Screw, 5/16-18, 0.500 710-0809 Screw, 1/4-20 x 1.250 710-0642 Screw, 1/4-20, 0.750 710-0859 Screw, 3/8-16, 2.50 710-3005 Screw, 3/8-16, 1.25, Gr5 710-0276 Screw, Carriage, 5/16-18, 1.00...
- Page 34 Model LT946H For a proper IMPORTANT: working machine, use Factory Approved Parts. V-belts are designed to engage and disengage safely. A substitute (non OEM) V-belt can be dangerous by not disengaging completely.
- Page 35 Model LT946H REF. PART REF. PART DESCRIPTION DESCRIPTION 17962 Plate, Switch 747-1112D Engagement Handle, Deck 647-0064 Lever Assembly, Engagement 748-0415B Spacer,.385 ID x.635 OD x 1.54 683-0302 Plate Assembly, Engagement 750-0956 Spacer, 1.010 x 1.400 x.825 710-0224 Screw, #10-16, 0.500 756-04143 Pulley, Engine, 3.56 x 6.12 Diameter 710-0276...
- Page 36 Model LT942H...
- Page 37 Model LT942H REF. PART REF. PART DESCRIPTION DESCRIPTION 618-0624 Pulley/ Spindle Assembly 734-0973 Deck Wheel 683-04138 Deck Brake Assembly 736-0119 Lock Washer, 5/16 683-04162 42” Deck Assembly 736-0270 Bell Washer,.265 x.75 x.062 683-04167 Deck Brake Assembly 736-0289 Shoulder Bushing,.320 ID x.135 Lg.
- Page 38 Model LT946H...
- Page 39 Model LT946H REF. PART REF. PART DESCRIPTION DESCRIPTION 17116 Brake Assembly, Deck 732-0594A Spring, Extension,.91 Dia x 7.33 17258D RH Belt Cover, Deck 46” 732-1165 Spring, Extension,.50 Dia x 5.0 618-0240A Spindle Assembly, 5.00 Dia. 734-0973 Wheel, Deck 5.0 x 1.38 618-04134B Spindle Ass’y, Double Pulley 736-0119...
- Page 40 Models LT942H & LT946H Ref. Part No. Description 710-0227 AB Screw 38-18 x 0.5 710-0599 TT Screw 1/4-20 x 0.5 710-0726 AB Screw 5/16-20 x 0.75 783-0625C Heat Shield 710-1314A Socket Hd. Scr. 5/16-18 x 0.75 710-1315 TT Screw 3/8-16 x 1.25...
- Page 41 Models LT942H & LT946H...
- Page 42 Models LT942H & LT946H...
- Page 43 Models LT942H & LT946H Part Part Ref. Description Ref. Description Number Number TC-27652 Dowel Pin TC-35322 Governor Spool TC-36302 Check Valve TC-29193 Retaining Ring TC-36303 Breather Plate TC-651064 Screw, 5/16-18 x 1-15/32" TC-650902 Screw, 10-32 x 7/16" TC-650592 Flywheel Key...
- Page 44 Models LT942H & LT946H REF. PART REF. PART DESCRIPTION DESCRIPTION TC-36349 Oil Fill Tube TC-37404 Governor Link 186A TC-37405 Choke Link TC-37401 O-Ring (Oil Fill, Bottom) TC-37400 Control Bracket TC-35499 O-Ring Oil Fill, Top) TC-37406 Throttle Link TC-650974 Screw, 1/4-20 x 57/64"...
- Page 45 Models LT942H & LT946H REF. PART REF. PART DESCRIPTION DESCRIPTION — TC-640221 Carburetor TC-632544 Float Shaft (Incl. 184 of Engine Parts List) TC-632543 Float TC-640216 Throttle Shaft & Lever Assembly TC-640047 Float Bowl to Body Gasket TC-640037 Dust Seal TC-632709 Inlet Needle &...
- Page 46 Models LT942H & LT946H REF. PART NO. DESCRIPTION — TC-37284 Electric Starter (12 Volt) TC-33841 Dust Cover TC-33842 Retainer Ring TC-33843 Spring Retainer TC-33854 Anti-drift Spring TC-36853 Gear & Nut (Incl. 2) TC-37354 Drive End Cap Assembly TC-37355 Armature TC-35897...
- Page 47 YOUR NOTES Date Comment...
- Page 49 IMPORTANT NOTICE! SAFETY DEFINITIONS Statements in this manual preceded by the following words are of special significance: WARNING WARNING WARNING indicates a potentially hazardous situation which if not avoided, could result in death or serious injury. NOTE Refers to important information and is placed in italic type. It is recommended that you take special notice of all items discussed on the next page and wear the appropriate safety equipment.
- Page 50 I. General Safety Precautions • NEVER store engine with fuel in fuel tank inside a building with potential sources of ignition such as hot water and space heaters, clothes WARNING dryers, electric motors, etc. • NEVER remove fuel cap or add fuel when Read equipment manufacturer’s manual and this engine is running.
- Page 51 II. How to Get Service Tecumseh special-formulated oils are available at your Autho- rized Tecumseh Servicing Dealer. For engine adjustments, repairs or warranty service not covered in this manual, contact your nearest Authorized Table 1. Recommended Engine Oil Tecumseh Servicing Dealer. It is listed in your Yellow Pages under “Engines, Gasoline.”...
- Page 52 IV. Before Starting Your Engine A. Checking Oil Level To avoid engine damage, it is important to: FULL Fill between • Check oil level before each use and every 5 “Full” and “ADD” operating hours when engine is warm. Check oil Marks level more frequently during engine break-in.
- Page 53 V. Starting Your Engine If you are unable to start this engine after WARNING following instructions in this manual, contact your Authorized Tecumseh Servicing Dealer. To avoid serious burn injuries or damage to your engine, DO NOT attempt to start or troubleshoot this engine in any other way.
- Page 54 II. Independent Speed and Choke Controls Choke To avoid carbon monoxide poisoning, make sure engine Control is outdoors in a well-ventilated area. Move engine speed control to “FAST” and set choke control to “FULL” (see equipment manufacturer’s instructions). See Figures 4, 5, and 6. Speed NOTES Control...
- Page 55 VI. Stopping Your Engine and Short-Term Storage Stop engine according to equipment manufacturer’s instruc- tions. Never store the engine with fuel in the fuel WARNING tank inside a building with potential sources of ignition such as hot water and space heaters, clothes dryers, electric motors, etc.
- Page 56 Fill with recommended oil. See Page 2. See Figure 9. Wipe away any spilled oil. Carefully remove spark plug wires from grounding posts and connect to spark plugs. See Figure 7. NOTE The oil filter if so equipped, should be changed every 100 operating hours or at least once a year.
- Page 57 D. Cleaning/Replacing Air Cleaner Your engine has an air cleaner which helps prevent prema- ture engine wear and failure. NEVER run engine without complete air cleaner installed on engine. Your air cleaner periodically needs to be cleaned or replaced. NOTE Contact your Authorized Tecumseh Servicing Dealer for Tecumseh Air Cleaner Part Numbers.
- Page 58 E. Carburetor If you think your carburetor needs adjusting, see your nearest Authorized Tecumseh Servicing Dealer. Engine performance should not be affected at altitudes up to 7,000 feet (2,134 meters). For operation at higher elevations, contact your Authorized Tecumseh Servicing Dealer. F.
- Page 59 VIII. Seasonal Storage If engine is to be unused for more than a month, prepare engine as indicated below: A. Fuel System Fuel stored in the tank will gradually deteriorate, leaving gum deposits which will clog the carburetor or fuel system. To avoid these problems, treat the fuel system in one of the two following methods: Method 1...
- Page 60 IX. Preventing Forest, Brush and B. Oil Grass Fires Change oil if not changed within the last 3 months. See “A. Checking and Changing Oil” instructions under “VII. Mainte- Local, state and federal laws may require use of a spark nance and Adjustments”.
- Page 61 CALIFORNIA & US EPA EMISSION CONTROL WARRANTY STATEMENT The U. S. Environmental Protection Agency (“EPA”), the California You are responsible for presenting your small off-road engine to Air Resources Board (“CARB”) and Tecumseh Products Co. are a Tecumseh Authorized Service Outlet (any Tecumseh pleased to explain the Federal and California Emission Control Registered Service Dealer, Tecumseh Authorized Service Systems Warranty on your new small off-road engine.
- Page 62 EMISSION CONTROL SYSTEM WARRANTY 5. The owner shall not be charged for diagnostic labor which Emission Control System Warranty (“ECS Warranty”) for 1995 leads to the determination that a part covered by the ECS and later model year California small off-road engines (for other Warranty is in fact defective, provided that such diagnostic states, 1997 and later model year engines): work is performed at a Tecumseh Authorized Service Outlet.
- Page 63 SERVICE WARRANTY SERVICE WARRANTY POLICY POLICY LIMITED WARRANTY FOR NEW TECUMSEH ENGINES AND ELECTRONIC IGNITION MODULES Revised October 2002 For the time period shown below from the date of purchase and subject to the exceptions and limitations described herein, Tecumseh Products Company will, at its option as the exclusive remedy, either repair or replace for the original purchaser, free of charge, any part of any new Tecumseh engine which is found, upon examination by any Tecumseh Authorized Service Outlet or by Tecumseh’s factory in Grafton, Wisconsin, to be DEFECTIVE IN MATERIAL AND/OR WORKMANSHIP.
- Page 64 MANUFACTURER’S LIMITED WARRANTY FOR: The limited warranty set forth below is given by MTD LLC with MTD does not extend any warranty for products sold or respect to new merchandise purchased and used in the exported outside of the United States, its possessions United States, its possessions and territories.