which allows condensation to form and will cause your unit to rust.

IMPORTANT: Never cover mower while engine and exhaust areas are still warm.

CAUTION: Never store the lawn mower with gasoline in the tank inside a building where fumes may reach an open flame or spark. Allow the engine to cool before stor- ing in any enclosure.

TROUBLESHOOTING - See appropriate section in this manual unless directed to an authorized service center.

PROBLEM

 

CAUSE

CORRECTION

Does not start

1.

Dirty air filter.

1.

Clean/replace air filter.

 

2.

Out of fuel.

2.

Fill fuel tank.

 

3.

Stale fuel.

3.

Drain fuel tank and refill tank

 

 

 

 

with fresh, clean gasoline.

 

4.

Water in fuel.

4.

Drain fuel tank and refill tank

 

 

 

 

with fresh, clean gasoline.

 

5.

Spark plug wire is

5.

Connect wire to plug.

 

 

disconnected.

 

 

 

6.

Bad spark plug.

6.

Replace spark plug.

 

7.

Loose blade or broken

7.

Tighten blade bolt or

 

 

blade adapter.

 

replace blade adapter.

 

8.

Control bar in released

8.

Depress control bar to

 

 

position.

 

handle.

 

9.

Control bar defective.

9.

Replace control bar.

 

10. Fuel valve lever (if so

10. Turn fuel valve lever

 

 

equipped) in OFF position.

 

to the ON position.

 

11. Weak battery (if equipped).

11. Charge battery.

 

12. Disconnected battery

12. Connect battery to engine.

 

 

connector (if equipped).

 

 

 

 

 

 

 

Loss of power

1.

Rear of lawn mower

1.

Raise cutting height.

 

 

housing or cutting blade

 

 

 

 

dragging in heavy grass.

 

 

 

2.

Cutting too much grass.

2.

Raise cutting height.

 

3.

Dirty air filter.

3.

Clean/replace air filter.

 

4.

Buildup of grass, leaves,

4.

Clean underside of mower

 

 

and trash under mower.

 

housing.

 

5.

Too much oil in engine.

5.

Check oil level.

 

6.

Walking speed too fast.

6.

Cut at slower walking speed.

 

 

 

 

 

Poor cut –

1.

Worn, bent or loose blade.

1.

Replace blade. Tighten

uneven

 

 

 

blade bolt.

 

2.

Wheel heights uneven.

2.

Set all wheels at same height.

 

3.

Buildup of grass, leaves

3.

Clean underside of

 

 

and trash under mower.

 

mower housing.

 

 

 

 

 

Excessive

1.

Worn, bent or loose blade.

1.

Replace blade. Tighten

vibration

 

 

 

blade bolt.

 

2.

Bent engine crankshaft.

2.

Contact a qualified service

 

 

 

 

center.

 

 

 

 

 

23

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Poulan 172777 manual Problem Cause Correction, Does not start
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172777 specifications

The Poulan 172777 is a powerful and versatile engine that caters to a variety of outdoor power equipment needs. Known for its reliability and efficiency, it is used in lawn mowers, snow blowers, and other gardening tools, making it a staple for homeowners and landscaping professionals alike.

One of the main features of the Poulan 172777 is its robust engine design. The engine typically features a displacement of 177cc, providing ample power to tackle tough mowing and clearing tasks. Its four-stroke technology ensures smooth performance, delivering a balance of power and fuel efficiency. Users can expect a clean and consistent operation, which is enhanced by the engine's ability to maintain an optimal RPM even under load.

In terms of technology, the Poulan 172777 is equipped with a modern carburetor system that improves fuel delivery and combustion efficiency. This results in reduced emissions and minimizes environmental impact, appealing to eco-conscious consumers. Additionally, the engine is designed with a recoil start system, ensuring that starting the engine is straightforward and hassle-free, allowing users to get to work quickly.

Durability is another significant characteristic of the Poulan 172777. This engine is built with high-quality materials that can withstand harsh outdoor conditions. Its cast iron cylinder sleeve offers increased longevity and helps maintain optimal engine temperatures. The overhead valve (OHV) design contributes to better heat dissipation, further enhancing the engine's lifespan and performance.

Moreover, the Poulan 172777 incorporates features aimed at user comfort and safety. The ergonomic design of the equipment it powers typically includes vibration-dampening technology, which reduces fatigue during extended use. Safety features such as low-oil shutdown mechanisms prevent engine damage and extend the overall life of the equipment.

In summary, the Poulan 172777 stands out for its powerful performance, advanced technology, and durable construction. It is an ideal choice for anyone looking for a reliable engine for their outdoor power equipment, capable of handling a range of tasks with ease. Whether for personal use or professional landscaping, the Poulan 172777 is engineered to deliver efficiency, comfort, and reliability. As such, it remains a popular choice among consumers seeking high-quality outdoor power solutions.
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