Troy-Bilt 772C0748 manual Troubleshooting, Trouble Possible Causes Corrective Action

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If the machine is to be inoperative for a period longer than 30 days, prepare for storage as follows.

•Clean the engine and the entire unit thoroughly.

•Lubricate all lubrication points. Wipe the entire machine with an oiled rag to protect the painted metal surfaces.

•Refer to the engine manual for correct engine storage instructions. The engine must be completely drained of fuel to prevent gum deposits from forming on essential carburetor parts, fuel lines and fuel tanks.

•It is not necessary to remove the battery from the tractor for storage. However, clean the top of the battery and make sure it has full charge.

Disconnect the negative terminal of the battery before storing the tractor.

•Store unit in a clean, dry area.

NOTE: When storing any type of power equipment in an unventilated or metal storage shed, care should be taken to rustproof the equipment. Using a light oil or silicone, coat the equipment, especially any chains, springs, bearings and cables.

NOTE: Recharge the battery before returning it to service after storage. Even if the tractors starts, the engine charging system may not bring the battery upto a full charge, unless it is recharged.

SECTION 12: TROUBLESHOOTING

Trouble

Possible Cause(s)

Corrective Action

 

 

 

Engine fails to start

PTO lever engaged.

Place PTO lever in disengaged (Blade Stop) position.

 

Parking brake not engaged.

Engage parking brake.

 

Spark plug wire(s) disconnected.

Connect wire(s) to spark plug.

 

Throttle control not in correct position

Place throttle lever to fast or choke (if so equipped).

 

Choke not activated.

Activate choke.

 

Fuel tank empty, or stale fuel.

Fill tank with clean, fresh (less than 30 days old) gas.

 

Blocked fuel line.

Clean fuel line or replace fuel filter, if so equipped.

 

Faulty spark plug.

Clean, adjust gap or replace plug.

 

Engine flooded.

Crank engine with throttle in FAST position.

 

 

 

Engine runs erratic

Unit running with CHOKE applied.

Place throttle lever in FAST position.

 

Spark plug wire loose.

Connect and tighten spark plug wire.

 

Blocked fuel line or stale fuel.

Clean fuel line; fill tank with clean, fresh (less than 30 days old)

 

 

gasoline. Replace fuel filter, if so equipped.

 

Vent in gas cap plugged.

Clear vent or replace cap if damaged.

 

Water or dirt in fuel system.

Drain fuel tank. Refill with clean, fresh (less than 30 days old)

 

 

gasoline.

 

Dirty air cleaner.

Replace air cleaner cartridge/element or clean pre-cleaner, if

 

 

so equipped.

 

 

 

Engine overheats

Engine oil level low.

Fill crankcase with proper capacity and weight of oil.

 

Air flow restricted.

Clean grass clippings and debris from around the engine’s

 

 

cooling fins and blower housing.

 

 

 

Engine hesitates at high

Spark plug gap too close.

Remove spark plug and reset the gap to .030”.

RPM

 

 

 

 

 

Idles poorly

Spark plug fouled, faulty or gap too

Replace spark plug. Set plug gap to .030”.

 

wide.

 

 

Dirty air cleaner.

Replace air cleaner cartridge/element or clean pre-cleaner, if

 

 

so equipped.

 

 

 

Excessive vibration

Cutting blade loose or unbalanced or

Tighten blade and spindle. Balance blade.

 

damaged.

Replace blade.

 

 

 

Mower will not mulch

Engine speed low.

Place throttle in FAST position.

grass

Wet grass.

Do not mow when grass is wet; wait until later to cut.

 

Excessively high grass.

Mow once at a higher cutting height, then mow again at desired

 

 

height or make a narrower cutting swath.

 

Dull blade.

Sharpen or replace blade.

 

 

 

Uneven cut

Deck not balanced properly.

Perform side-to-side deck adjustment.

 

Dull blade.

Sharpen or replace blade.

 

Uneven tire pressure.

Check tire pressure in all four tires.

 

 

 

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Contents Operator’s Manual Table of Contents General Operation Important Safe Operation PracticesSlope Operation Do notChildren Towing ServiceModel Description Attachments & AccessoriesSlope Gauge Attaching the Seat Attaching the Battery CablesTractor SET-UP Attaching the Steering WheelInstalling the PTO/DECK Belt Attaching the Cutting Deck 54 DeckGAS and OIL FILL-UP Idler Pulley Controls Brake Pedal Ignition SwitchThrottle Control Lever Choke ControlSeat Adjustment Lever Systems Indicator Monitor / Hour MeterElectric PTO Power TAKE-OFF Knob PTO Power TAKE-OFF LeverCruise Control Button Safety Interlock SwitchesReverse Caution Mode Operating Your Garden TractorSetting the Cutting Height To use the Reverse Caution ModeStarting the Engine Driving the Tractor Setting the Cruise ControlStopping the Engine Engaging the Parking BrakeMulching Using the Lift LeverOFF Engaging the PTO MowingMaking Adjustments HeadlightsLeveling the Deck Steering Adjustment Deck Roller Height AdjustmentSeat Adjustment Parking Brake AdjustmentCleaning the Engine and Deck MaintenanceRead and follow instructions carefully LubricationEngine Changing Engine OILCutting Blades ServiceBattery TiresFuses Battery FailuresCharging Jump StartingDeck / PTO Belt Changing the Deck Belt & PTO BeltUpper Drive Belt Changing the Transmission Drive BeltsLower Drive Belt OFF-SEASON StorageTrouble Possible Causes Corrective Action Troubleshooting

772C0748 specifications

The Troy-Bilt 772C0748 is a powerful and versatile rotary lawn mower designed for maintaining a pristine lawn with ease. Known for its durability and efficiency, this model is tailored for homeowners who seek a reliable solution for their mowing needs.

One of the standout features of the Troy-Bilt 772C0748 is its strong engine. Equipped with a robust 159cc engine, this mower delivers impressive cutting performance and allows for efficient operation over a variety of terrains. The engine is designed for easy starting, minimizing the hassle often associated with lawn maintenance.

The mower boasts a 21-inch cutting deck, which offers a balance between maneuverability and cutting width. This size is ideal for residential lawns, allowing users to navigate through narrow paths and tight corners with ease. The cutting deck is made from durable materials, ensuring longevity and resilience against the rigors of outdoor use.

Another notable characteristic of the Troy-Bilt 772C0748 is its adjustable cutting height feature. With six different height settings, users can achieve their desired lawn length with precision. This flexibility is essential for accommodating different grass types and seasonal growth patterns, ensuring a well-maintained lawn throughout the year.

The mower’s design also prioritizes user comfort. It features an ergonomic handle that reduces strain during operation, allowing for longer mowing sessions without discomfort. The handle is also foldable, which not only saves storage space but also enhances portability.

In terms of technology, the Troy-Bilt 772C0748 incorporates a reliable grass collection system. The rear bagging capabilities allow for efficient collection of clippings, which can be easily emptied, promoting a cleaner mowing experience. The mower also has side discharge capabilities, providing options for lawn maintenance according to user preferences.

Overall, the Troy-Bilt 772C0748 combines power, efficiency, and user-friendly features, making it an excellent choice for homeowners looking to maintain their lawns effortlessly. Its durable construction, innovative technology, and thoughtful design characteristics position it as a standout option in the competitive lawn mower market. Whether tackling small patches or larger areas, the Troy-Bilt 772C0748 promises to deliver consistent performance and a beautiful, well-groomed lawn.
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