McCulloch MC17542ST Interlocks and Relays, To Replace Fuse, To Adjust Throttle Control Cable

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SERVICE AND ADJUSTMENTS

TO START ENGINE WITH A WEAK BATTERY (See Fig. 27)

WARNING: Lead-acid batteries gen- erate explosive gases. Keep sparks, flame and smoking materials away from batteries. Always wear eye protection when around batteries.

If your battery is too weak to start the engine, it should be recharged. (See "BATTERY" in the Maintenance section of this manual).

If “jumper cables” are used for emergency starting, follow this procedure:

IMPORTANT: YOUR TRACTOR IS EQUIPPED WITH A 12 VOLT SYSTEM. THE OTHER VEHICLE MUST ALSO BE A 12 VOLT SYSTEM. DO NOT USE YOUR TRACTOR BATTERY TO START OTHER VEHICLES.

TO ATTACH JUMPER CABLES -

•Connect one end of the RED cable to the POSITIVE

(+)terminal of each battery(A-B), taking care not to short against tractor chassis.

•Connect one end of the BLACK cable to the NEGATIVE (-) terminal (C) of fully charged battery.

•Connect the other end of the BLACK cable (D) to good chassis ground, away from fuel tank and battery.

TO REMOVE CABLES, REVERSE ORDER -

•BLACK cable first from chassis and then from the fully charged battery.

•RED cable last from both batteries.

INTERLOCKS AND RELAYS

Loose or damaged wiring may cause your tractor to run poorly, stop running, or prevent it from starting.

•Check wiring. See electrical wiring diagram in the Repair Parts section.

TO REPLACE FUSE

Replace with 20 amp automotive-type plug-in fuse. The fuse holder is located behind the dash.

TO REMOVE HOOD AND GRILL ASSEMBLY (See Fig. 28)

•Raise hood.

•Unsnap headlight wire connector.

•Stand in front of tractor. Grasp hood at sides, tilt toward engine and lift off of tractor.

•To replace, reverse above procedure.

HOOD

HEADLIGHT WIRE

CONNECTOR

01536

FIG. 28

WEAK OR DEAD BATTERY

FULLY CHARGED

BATTERY

ENGINE

TO ADJUST THROTTLE CONTROL CABLE

The throttle control has been preset at the factory and adjustment should not be necessary. If adjustment is nec- essary, see engine manual.

FIG. 27

TO REPLACE HEADLIGHT BULB

•Raise hood.

•Pull bulb holder out of the hole in the backside of the grill.

•Replace bulb in holder and push bulb holder securely back into the hole in the backside of the grill.

•Close hood.

TO ADJUST CHOKE CONTROL

The choke control has been preset at the factory and ad- justment should not be necessary. If adjustment is neces- sary, see engne manual.

TO ADJUST CARBURETOR

Your carburetor is not adjustable. If your engine does not operate properly due to suspected carburetor problems, take your tractor to an authorized service center for repair and/or adjustment.

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Contents Model NO. MC17542ST MC17542STA 17.5 HP 42 Inch Lawn Tractor II. Slope Operation Safety RulesSafe Operation Practices for Ride-On Mowers General OperationIV. Towing ServiceIII. Children Table of Contents Contents of Hardware Pack Before Removing Tractor from Skid AssemblyTools Required for Assembly To Remove Tractor from CartonConnect Battery See Figs Check for Proper Position of ALL Belts To Convert to Bagging or DischargingCheck Tire Pressure Check Deck LevelnessOperation Know Your Tractor HOW to USE Your Tractor To Transport To Adjust Gauge Wheels See FigTo Operate Mower See Fig To Operate on HillsTo Start Engine See Fig Before Starting the EngineCheck Engine OIL Level ADD GasolineMulching Mowing Tips Mowing TipsBefore Each USE MaintenanceLubrication Chart General RecommendationsTractor Engine Spark Plugs CleaningClean AIR INTAKE/COOLING Areas MufflerTo Remove Mower See Fig Service and AdjustmentsTo Install Mower See Fig Belt Removal To Level Mower HousingBelt Installation To Replace Mower Blade Drive Belt See FigTo Check Brake To Check and Adjust Brake See FigTo Adjust Brake To Replace Motion Drive Belt See FigTo Remove Wheel for Repairs See Fig Transaxle Gear Shift Lever NEUTRAL- Adjustment See FigTo Adjust Steering Wheel ALIGN- Ment Front Wheel TOE-IN/CAMBERInterlocks and Relays To Adjust Throttle Control CableTo Adjust Choke Control To Adjust CarburetorEngine OIL StorageOther Fuel SystemTroubleshooting Points With attachment clutch Schematic Repair PartsElectrical KEY Part Description Chassis and Enclosures 532 17 46-19 Chassis Stamping 116 DriveRepair Parts Steering Assembly Repair Parts KEY Part NO. no Description Seat AssemblyWheels & Tires DecalsOptional Equipment EngineNO. NO. Description Mower LiftMower Deck KEY Part Description Policy Only Ride UP and Down Hill Not Across Hill Degrees MAX Suggested Guide for Sighting Slopes for Safe Operation

MC17542STA, MC17542ST specifications

The McCulloch MC17542ST and MC17542STA lawn mowers are distinguished machines designed for homeowners seeking a reliable and efficient solution for lawn maintenance. These models combine powerful performance with user-friendly features, making them an excellent choice for small to medium-sized lawns.

One of the key features of the MC17542ST and its counterpart, the MC17542STA, is their robust 420cc engine, which provides ample power to tackle various types of grass and terrain. The engine is equipped with advanced technology that ensures reliable starting and efficient fuel consumption, contributing to reduced emissions and lower operational costs. This powerful engine allows users to maintain productivity without the frequent interruptions associated with refueling.

Both models are equipped with a 42-inch cutting deck, which enables wider cutting swath and enhances mowing efficiency. The cutting deck is made of durable materials, ensuring longevity and resistance to wear. Furthermore, the deck height can be easily adjusted, allowing users to achieve their desired grass height with a simple lever adjustment. This feature is particularly beneficial for maintaining a healthy lawn, catering to different grass types and seasonal growth patterns.

The MC17542ST and MC17542STA mowers also feature a comfortable and ergonomic design. The adjustable seat ensures that operators can find their ideal driving position, enhancing comfort during extended mowing sessions. The user-friendly controls are positioned intuitively for easy access, allowing for seamless operation even for those who are new to lawn care.

Another notable characteristic of these models is their zero-turn capability, making it easier to maneuver around obstacles such as trees, flower beds, and garden ornaments. This feature significantly reduces the time spent mowing, as operators can turn with precision and navigate tight spaces effortlessly.

Safety is paramount with the McCulloch MC17542ST and MC17542STA models. They come equipped with safety features such as blade brake systems that stop the blades almost instantly when the operator releases the control. This ensures peace of mind during operation and enhances overall user safety.

In conclusion, the McCulloch MC17542ST and MC17542STA mowers offer an impressive blend of power, efficiency, comfort, and safety. With their powerful engines, wide cutting deck, user-friendly design, and zero-turn capability, they stand out as excellent choices for anyone looking to maintain a beautiful lawn with minimal effort. Whether you're a seasoned gardener or a first-time mower, these models are designed to meet your needs effectively.
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