CUSTOMER RESPONSIBILITIES

CLEAN AIR INTAKE/COOLING AREAS

To insure proper cooling, make sure the grass screen, cooling fins, and other external surfaces of the engine are kept clean at all times.

Every 100 hours of operation (more often under extremely dusty, dirty conditions), remove the blower housing and other cooling shrouds. Clean the cooling fins and external surfaces as necessary. Make sure the cooling shrouds are reinstalled.

NOTE: Operating the engine with a blocked grass screen, dirty or plugged cooling fins, and/or cooling shrouds removed will cause engine damage due to overheating.

AIR FILTER (See Fig. 18)

Your engine will not run properly using a dirty air filter. Clean the foam pre-cleaner after every 25 hours of operation or every season. Service paper cartridge every 100 hours of operation or every season, whichever occurs first.

Service air cleaner more often under dusty conditions.

•Remove knobs and cover.

TO SERVICE PRE-CLEANER

•Wash it in liquid detergent and water.

•Squeeze it dry in a clean cloth.

•Saturate it in engine oil. Wrap it in clean, absorbent cloth and squeeze to remove excess oil.

•If very dirty or damaged, replace pre-cleaner.

TO SERVICE CARTRIDGE

•Clean cartridge by tapping gently on flat surface. If very dirty or damaged, replace cartridge.

•Reinstall precleaner cartridge, cover and secure with knobs.

IMPORTANT: PETROLEUM SOLVENTS, SUCH AS KEROSENE, ARE NOT TO BE USED TO CLEAN THE CARTRIDGE. THEY MAY CAUSE DETERIORATION OF THE CARTRIDGE. DO NOT OIL CARTRIDGE. DO NOT USE PRESSURIZED AIR TO CLEAN OR DRY CARTRIDGE.

KNOBS

COVER

CARTRIDGE

FOAM

PRE-CLEANER

FIG. 18

ENGINE OIL FILTER

Replace the engine oil filter every season or every other oil change if the tractor is used more than 100 hours in one year.

MUFFLER

Inspect and replace corroded muffler and spark arrester (if equipped) as it could create a fire hazard and/or damage.

SPARK PLUGS

Replace spark plugs at the beginning of each mowing season or after every 100 hours of operation, whichever occurs first. Spark plug type and gap setting are shown in “PRODUCT SPECIFICATIONS” section of this manual.

IN-LINE FUEL FILTER (See Fig. 19)

The fuel filter should be replaced once each season. If fuel filter becomes clogged, obstructing fuel flow to carburetor, replacement is required.

•With engine cool, remove filter and plug fuel line sec- tions.

•Place new fuel filter in position in fuel line with arrow pointing towards carburetor.

•Be sure there are no fuel line leaks and clamps are properly positioned.

•Immediately wipe up any spilled gasoline.

CLAMP

CLAMP

FUEL FILTER

FIG. 19

CLEANING

•Clean engine, battery, seat, finish, etc. of all foreign matter.

•Keep finished surfaces and wheels free of all gasoline, oil, etc.

•Protect painted surfaces with automotive type wax.

We do not recommend using a garden hose to clean your tractor unless the electrical system, muffler, air filter and carburetor are covered to keep water out. Water in engine can result in a shortened engine life.

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Poulan 178500 owner manual Cleaning, Clean AIR INTAKE/COOLING Areas, Engine OIL Filter, Muffler, Spark Plugs
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178500 specifications

The Poulan 178500 is a powerful and versatile string trimmer that caters to the needs of both professional landscapers and homeowners looking for an efficient lawn maintenance tool. Known for its robust design and user-friendly features, the Poulan 178500 stands out in the market of outdoor power equipment.

One of the main features of the Poulan 178500 is its potent 17cc, 2-cycle engine. This engine delivers a strong performance, allowing users to tackle tough grass, weeds, and overgrown areas with ease. The 2-cycle technology ensures that the trimmer is not only powerful but also lightweight, making it easier to maneuver during extended use. Users will benefit from a balanced weight distribution, which minimizes user fatigue.

Equipped with a dual-line cutting head, the Poulan 178500 ensures efficient cutting performance. The dual-line system offers a wider cutting path, enabling greater coverage with each pass. This feature is especially beneficial for larger yards or heavily landscaped areas, as it reduces the time spent on trimming tasks. Additionally, the trimmer utilizes a bump-feed line advancement system, allowing users to easily release more line with a simple tap on the ground, keeping productivity high without interruptions.

The ergonomic design of the Poulan 178500 enhances user comfort and usability. It boasts cushioned grips that reduce vibration and improve handling. Furthermore, the adjustable handle allows users to customize the position for optimal control, making trimming at various angles easier and more efficient.

Another remarkable characteristic of the Poulan 178500 is its ease of starting. The trimmer is equipped with a simplified starting mechanism, minimizing the effort required to get the engine running. This feature is particularly advantageous for those who may struggle with traditional starting methods.

For added convenience, the Poulan 178500 features a lightweight frame, making it one of the more portable options in the string trimmer market. This ease of transport and storage ensures that users can easily move from one area of their property to another without hassle.

In summary, the Poulan 178500 is a high-performance string trimmer that merges power, comfort, and user-friendly technology. Its robust engine, dual-line system, ergonomic design, and easy starting mechanism make it an excellent choice for anyone seeking a reliable and efficient lawn maintenance tool. Whether for professional landscaping or routine yard care, the Poulan 178500 is built to meet diverse trimming demands while delivering excellent results.
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