Oil Drain Valve

To Open

To Close

J

2. Reinstall precleaner cartridge, cover and secure.

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.

Cover_

3.Open drain valve by using a 7/16"

(1 lmm) wrench turning counterclockwise.

4.After oil has drained completely, close the drain valve turning clockwise. Use the 7/16" (11 mm) wrench to apply

a small amount of torque to keep it closed. Do not over tighten.

5.Remove the drain tube and store in a safe place.

6.Refill engine with oil through oil fill dip- stick tube. Pour slowly. Do not overfill. For approximate capacity see "PROD-

UCT SPECIFICATIONS" section of this manual.

7.Use gauge on oil fill cap/dipstick for checking level. For accurate reading, tighten dipstick cap securely onto the tube before removing dipstick. Keep oil at "FULL" line on dipstick. Tighten cap

onto the tube securely when finished.

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.

AIR FILTER

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.

1.Remove cover.

TO SERVICE PRE-CLEANER

2.Wash it in liquid detergent and water.

3.Squeeze it dry in a clean cloth.

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

NOTE: If very dirty or damaged, replace pre-cleaner.

TO SERVICE CARTRIDGE

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

Pre-

CLEAN AIR SCREEN

Air screen must be kept free of dirt and chaff to prevent engine damage from

overheating. Clean with a wire brush or compressed air to remove dirt and stub- born dried gum fibers.

CLEAN AIR INTAKE/COOLING AREAS

To insure proper cooling, make sure the grass screen, cooling fins, and other exter-

nal 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 cool- ing 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.

MUFFLER

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

SPARK PLUG(S)

Replace spark plug(s) 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

The fuel filter should be replaced once each season. If fuel filter becomes clogged, obstructing fuel flow to carbu-

18retor, replacement is required.

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Craftsman 917.27631 owner manual AIR Filter, Clean AIR Screen, Muffler
Page 17 Page 19

917.27631 specifications

The Craftsman 917.27631 is a robust lawn mower designed for homeowners who seek a reliable, efficient, and durable machine for maintaining their lawns. This mower features a powerful 21-inch cutting deck, making it capable of handling medium to large-sized yards with ease. One of its standout features is the 163cc gas engine, which provides ample power for tackling tough grass and uneven terrain while ensuring reliable starts and consistent performance.

The Craftsman 917.27631 is equipped with a self-propelled drive system, which allows users to navigate effortlessly through their lawns without the need for excessive physical strain. The variable speed control gives users the option to adjust the speed according to their preference and the terrain, ensuring optimal maneuverability. This feature is particularly beneficial for navigating around garden beds, trees, and other obstacles.

Another impressive aspect of the Craftsman 917.27631 is its 3-in-1 cutting capability. This versatile mower allows users to choose between mulching, bagging, or side discharge, providing flexibility based on preferences and conditions. The mulching capability promotes healthy lawn growth by returning finely chopped grass back to the soil, while the rear bagging option allows for easy collection of clippings for disposal or composting.

The mower also boasts an adjustable cutting height, which can be easily altered to ensure the perfect grass length for various seasons and grass types. Users can choose from multiple height settings, ensuring compatibility with different mowing needs. Moreover, the durable and lightweight construction of the Craftsman 917.27631 enhances its maneuverability and makes it easier to transport and store.

Safety features are paramount in the design of the Craftsman 917.27631. The engine will stop immediately when the operator releases the handle, preventing accidental injuries and promoting safe operation. Additionally, the ergonomic handle design adds comfort, reducing fatigue during prolonged use.

In summary, the Craftsman 917.27631 is a versatile, powerful, and easy-to-use lawn mower that caters to a wide array of lawn maintenance needs. With its self-propelling capabilities, adjustable cutting height, and efficient 3-in-1 cutting options, it represents a solid choice for any homeowner looking to maintain a pristine lawn with minimal effort.
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