. Use a portable safety light for working inside or under the machine. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . •machine is near an open flame or sparks; •engine is hot, allow it to cool sufficiently first; •fill gas tank to bottom of filler neck only; •be sure fill cap is tight after fueling; •keep machine clean and in good repair–free of excess grease, oil, debris, and faulty or damaged parts; •any storage of machines with gas left in tank should be in an area that is well ventilated to prevent possible igniting of fumes by an open flame or spark, this includes any appliance with a pilot light. . . . . . . . Engine oil viscosity or level incorrect. . . . . . . a“Lubricated” means coated with a lubricant such as engine oil, or fasteners with phosphate and oil coatings. . . The following anti-corrosion grease is PREFERRED: •DuBois MPG-2® Multi-Purpose Polymer Grease—M79292. . . . . . . . . . . . . . . . . . . 3.Loosen cap screw (B) and pull throttle cable housing tight. . . CV14S—1463, STX46 (Domestic Gear & Hydro) (Serial No. ), Charging Capacity. . . . . . 00-6 (check Sidewall). . Directing pressurized water at electronic/electrical components or connectors, bearings, hydraulic seals, fuel injection pumps or other sensitive parts and components may cause product malfunctions. . . . . . . . . . . . . 2530 mm (99.6 in. Passages plugged. . Use only service parts meeting John Deere specifications. . . . . . . . ), New . . . . . . . . . . . . . 33, INSPECT VALVES . . . . . . . . . 5W30, Charging System. . . . . . . 10 O-RING FACE SEAL FITTINGS . . . . . . . . Wear close fitting clothing and safety equipment appropriate to the job. . . . . . . . . . . .0.64 kg (1.406 lbs), Make . Do not wear a necktie, scarf, loose clothing, or necklace when you work near machine tools or moving parts. . . . . . . . . . . . . . . . . . . Use of alternative oxygenated, gasohol blended, unleaded gasoline is acceptable as long as: •the ethyl or grain alcohol blends DO NOT exceed 10% by volume or. . . . . . . . . . . . . 67 mm (2.64 in. . . . . . . . Never weld or heat a wheel and tire assembly. . . . . 41, REMOVE PISTON ASSEMBLY . . . . . . . . . . Shell Darina® D Grease Only, Capacity—Transaxle. . . . . . . . . Only remove filler cap when cool enough to touch with bare hands. Use the following grease based on the air temperature range. . . . . . . Spark plug fouled or incorrect gap. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GASOLINE”) POLYETHYLENE PLASTIC container WITHOUT any metal screen or filter is recommended. . •Never check battery charge by placing a metal object across the posts. . . . . . . . . . . . ), Actual effective length . . . . . . . . 7.048 mm (0.2775 in.) . . . . . . . . . . . . . . . Components in products that may contain asbestos fibers are brake pads, brake band and lining assemblies, clutch plates, and some gaskets. . Starter worn. . . . 18.994 mm (0.74779 in. 5.To position angle fittings, turn the fitting counterclockwise a maximum of one turn. . . . . . . . . . . . . . . . . Three—50.8 x 5 x 407.4 mm (2 x 0.2 x 16 in. . . . . . . . . . . . . . . . . . . . . . . . . . ), Maximum Taper . . . . . . ), New . . . . . . . . . . . . . . . . . . . 12 GASOLINE STORAGE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IMPORTANT: ONLY use a quality break-in oil (multi-viscosity) in rebuilt or remanufactured engines for the first 5 hours (maximum) of operation. . . Unleaded (87 octane minimum), Fuel Tank Capacity . . . . . . 35, RECONDITION VALVE SEATS . . . . . . . . . . . . . . Align hole in throttle control lever with hole in throttle control plate. . . . ), Maximum Taper . 42, ANALYZE PISTON WEAR . . . . . . . . 0.76 mm (0.030 in. . . . . . . . . . . . . . . . . . Front (STX38 SN —210000) . . Move throttle lever to FAST idle position. . . . . . Be sure drill bit is perpendicular to the throttle control plate. . . . . John Deere Type Lawn tractor Factory Horicon, Wisconsin, USA Original price $2,350 (1993 ) Two basic versions of the STX38 were the original "yellow-deck" from 1989 to 1993, and the later "black-deck" from 1994 to 1997. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.0124—0.0501 mm (0.0005—0.0020 in.) . . . . . . . . . If engine does not start, pause for 10 seconds, then crank for 5 more seconds. . . . . . . . . . . . . . If starter kicks out see step 8. . . . . . Such information is available from Deere & Company Medical Department in Moline, Illinois, U.S.A. . ), Wheelbase . . . . . . . . . . . . 7.Try to move choke rod (D) forward (choke rod should not move). . . . . . Kohler Style . . . . . . . . . . . . . . . . . . . . . 22.6 N•m (200 lb-in.) . . . .Regular Unleaded—87 Octane Or Higher, Gasoline/Alcohol Blends . . . . . . . . . . . . . I have gone into the archives here to find info on the same topic. . . . . . . . . . . . . . The wheels have a turn radius of nearly 2 feet. . . . •methyl tertiary butyl ether (MTBE) blends DO NOT exceed 15% by volume. . . . . . . . . . . . . . . . . . . Synthetic lubricants may be used in John Deere equipment if they meet the applicable performance requirements (industry classification and/or military specification) as shown in this manual. . . . . . . . . . . . . . . . . . ), Maximum Out-of-Round . . . . . . . . . . . Do all work outside or in a well ventilated area. . . . . 68 N•m (50 lb-ft), New Installation (Thread Forming) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Store flammable fluids away from fire hazards. . . . . . . . . . . 0.041—0.044 mm (0.0016—0.0017 in.) . Gasoline, Air Cooled, Single Cylinder, 4-Cycle, Overhead Valves Crankcase Oil Capacity (with filter) . . . . . . . 38—43.4 N•m (28—32 lb-ft) Stator Cap Screw . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CV13S—21509 STX46 (Serial No. . . . . . . . . . . . . Do not allow hoses to twist when tightening fittings. Avoiding spilling or dripping electrolyte. . . . . . . . . . . . ), Maximum . . . . . . . . . . . . . . . . . . . . . . . . . 7, INCH FASTENER TORQUE VALUES . . . . 0.076 mm (0.003 in. . 7.76 km/hr (4.82 mph)—15.71:1 Reverse . . . . . . . . . . . . . . . . Clean carb, replace filter, check float. . . . . . . . . NOTE: Adjust throttle cable before adjusting choke. . . . . . Engine exhaust fumes can cause sickness or death. . . . . . The asbestos used in these components is usually found in a resin or sealed in some way. . . . . . . . . . . . . . . . . . . . . . . . . Avoiding breathing fumes when electrolyte is added. . . . . . 7.038—7.058 mm (0.2771—0.2779 in.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IMPORTANT: When working on machines or components that are covered by warranty, it is IMPORTANT that you include the transporter product identification number and the component serial numbers on the warranty claim form. . . . . 16 BREAK–IN 4-CYCLE GASOLINE ENGINE OIL - EUROPE . . . . .Command LT, STX30 . . . . . . . . . . . . . . . . . . . . . . . . ), Overall Cutting Width . . . . . . . . . . . . . . . . . . . ), New . . . . . . . . . Use tools appropriate to the work. Replaceable (Below Carburetor Float Bowl), Headlight Kit (Optional) . . . . . ), Rocker Arm Pivot Cap Screw. . . . Operating equipment safely requires the full attention of the operator. . . . . . . . . . . . 0.05 mm (0.0020 in.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . When inflating tires, use a clip-on chuck and extension hose long enough to allow you to stand to one side and NOT in front of or over the tire assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Continue this 5 seconds on, 10 seconds off cycle until engine starts. . . . 0.015—0.140 mm (0.0006—0.0055 in. . . . . . . . . . . . . Order tools from your SERVICEGARD Catalog. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.Move throttle lever to be sure choke linkage is not binding. . . . . . . . . . . . . . . . . . . . • any storage of machines with gas left in tank should be in an area that is well ventilated to prevent possible igniting of fumes by an open flame or spark, this includes any appliance with a pilot light. . . . . . . . . . . . . . . Avoid breathing dust that may be generated when handling components containing asbestos fibers. . . . . . . . . . . . . . . . . . . . . . . . . 50 Hours First Change, Every 100 Hours After or Yearly, Air Filter. . . . . . . 3350 ±50 rpm Fast Idle Speed—Export . . . . HYDROSTATIC TRANSMISSION OIL - NORTH AMERICA. . . . . . . . . . . . . . . . . . . . . . Gasoline engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. Nominal Gauge Steel, Cutting Blade. Some tools may be available from a local supplier. . . . . . . . . 3.Turn screw (A) counterclockwise until screw does not contact the choke control lever (B). . . . Remove tape. . . . Allow fumes to disperse at least 15 minutes before welding or heating. . . . . . . . . . . . 0.25 mm (0.01 in. . . . . . . . . . 4 REPAIR SPECIFICATIONS . . . . . . . . ), Maximum Taper . . . . . . . . . . . . Multi-viscosity oil is required for proper operation of hydraulic valve lifters used in Kohler command engines. . . . . . . . . . . California Proposition 65 Warning: Gasoline engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. . . . . . . . Exhaust Valve Lift (Minimum—Engine Cold) . . . . . . . . •Crank engine for 5 seconds. . . 41.915—41.935 mm (1.6502—1.6510 in. . . . . . . . 10W30, Cold Climate . . . . . . . Escaping fluid under pressure can penetrate the skin causing serious injury. 18, HYDROSTATIC TRANSMISSION OIL - NORTH AMERICA . . . . . . . . . . . . . . . . . . . . . . . . Gear transaxle serial number sticker (D) is on rear of housing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . The . . . . . . . . . . . . . . . . . Stamped 2.5 mm (0.098 in.) I want to photograph my blueberry plants...? . . Do not wear radio or music headphones while operating machine. . . . . . . . . . . . . 45, PISTON ASSEMBLY. . . 90.000—90.025 mm (3.5433—3.5443 in.) . . . . . 52, Make . . . . . . . . . . . . . 36, INSPECT BREATHER . . Valve guides or seals worn or leaking. . . . . . . . . Single V-Belt (with spring-tensioned idler), Spindle Lubrication. . . . . . . . . . . . . . . 13 x 6.50—6 NHS (2 ply), Rear (STX38 SN 210001—270000) . . . . . . . . . . . . . . . . . . . . It must be free of damage or defects. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11, GASOLINE SPECIFICATIONS. . . . . . . . . . . . . . John Deere STX STX38 STX46 Front Wheel Rim AM106139 Pair Tire Size 13 x 6.5-6 . . . . . 0.022 mm (0.0009 in. . . . . . . . . Side Draft, Throttle/Choke. . . . Tighten straight fittings to torque value shown on chart. . AVOID INJURY FROM ROTATING BLADES, AUGERS AND PTO SHAFTS. . . . “Grade 1” applies for hex cap screws over 152 mm (6-in.) . . . . . . . . . . . . . The hot filament of an accidentally broken bulb can ignite spilled fuel or oil. Make sure you have all necessary tools to do your job. . . . . . . . Make sure the bulb is enclosed by a wire cage. . . . . . . . . . Used Bore (Maximum), All . 908 mm (35.75 in. Avoid mixing different brands, grades, or types of oil. . . . . . . . Tuff Torq® K50 Transaxle, Model (STX38—late models) . . . . . . . . . CV12.5S—1270, STX38 (Export Gear) (Serial No. . . . . . Most John Deere filters contain pressure relief and anti-drainback valves for better engine protection. . . . . . . . . . . . . . . . . . 10.7 N•m (95 lb-in.) . Engine overloaded. . . . . . . . . . . . . . . . . . . . . . . 1135 mm (44.69 in. . . . . . . Do not allow hoses to twist when tightening fittings. . . . . 90 mm (3.60 in. . . . . . . . . . . . . . . . . . 0.2—0.3 mm (0.008—0.012 in. . . . . . . . . . . . . . . . . . . . . . . The following John Deere oil is PREFERRED: John Deere BREAK–IN ENGINE OIL is formulated with special additives for aluminum and cast iron type engines to allow the power cylinder components (pistons, rings, and liners as well) to “wear-in” while protecting other engine components, valve train and gears, from abnormal wear. . . DuBois MPG-2® Multipurpose Grease, Lubrication Interval. . . 0.77 mm (0.030 in. . 44, PISTON ASSEMBLY MEASUREMENT . . . . . . . . 36, REMOVE AND INSTALL FLYWHEEL . “Dry” means plain or zinc plated (yellow dichromate - Specification JDS117) without any lubrication. . . . . . . . . . . . . . . . . ), Gear Shaft-To- Gear Bore Clearance . . . . . . .204.12 kg (450 lbs), Horizontal Pull Maximum . We appreciate your input on this manual. . . . . . . . . . . . . . Use the following oil viscosity based on the air temperature range. . . . . . . . . . . . . . Fuel tank outlet restricted, shut-off valve not fully open, fuel filter or line restricted. . . . . . . . . . . They must be free of dirt or defects. . . . . What do you do, find a rim and tire and replace the entire wheel? . . . Choke should be fully closed. . . 2.Align hole in throttle control lever with hole (A) in throttle control plate. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Explosive separation of a tire and rim parts can cause serious injury or death. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.3—0.5 mm (0.012—0.020 in. . . 15.727 mm (0.619 in. Keep gasoline stored in a safe, protected area. . The location of transporter identification number and component serial numbers are shown. 5.18 km/hr (3.22 mph)—23.48:1 5th Gear . . . . . . . Replacement . . . . . . . . . . . ), Displacement (12.5, 13, 14 hp) . . . . . . . . . . . . . . . ), Muffler Nut . . . . . . . . . Diesel engine exhaust and some of its constituents are known to the State of California to cause cancer, birth defects, and other reproductive harm. . . . . . . . . . . . . . . . . . . . . . . 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