Ariens 936027 (Sierra 1640H Twin) Specifications download pdf (Page 17)

Lubrication and Maintenance (Continued)

Fuel Filter

WARNING: Gasoline is flammable and

must be handled with care. DO NOT

allow open flame, matches or smoking

in area. Wipe up any spills. Use

approved (RED) fuel container.

Fuel filter should be replaced every season.

Engine Cooling

The engine is air cooled. Air must circulate freely

around engine from air intake screen, over cooling

fins on cylinder head and block to prevent

overheating.

CAUTION: Use non-flammable solvent

to clean parts - DO NOT use gasoline.

Every 100 operating hours or yearly (more often if

conditions require) remove blower housing and clean

cooling fins. Also clean external surfaces of your

engine of dust, dirt and oil deposits which can

contribute to improper cooling.

IMPORTANT: DO NOT operate engine with blower

housing removed. This will cause overheating and

engine damage.

CAUTION: Periodically clean muffler

and manifold areas to remove all grass,

dirt and combustible debris. If engine

muffler is equipped with spark arrester

screen assembly, remove every 50

hours for cleaning and inspection.

Replace if damaged.

Spark Plugs

Spark plugs should be cleaned or replaced (if

necessary) and gap reset to .030” every 100 hours of

operation or yearly, whichever comes first.

To clean, remove spark plug from engine, scrape or

wire brush, and wash with a commercial solvent. DO

NOT blast clean.

NOTE: Sparking can occur if wire terminal does not

fit firmly on spark plug. Reform terminals if

necessary.

Muffler

Worn out mufflers are more than just a noise

nuisance and should be replaced immediately.

Continued use could result in fire or explosion.

Transaxle (Gear and Hydro)

Unless there are indications of leakage, transaxle

does not have to be checked for proper oil level. If

leakage occurs, have leak repaired by your dealer.

Battery

WARNING: Batteries product explosive

gases which can cause personal injury.

DO NOT allow flames, sparks or any

ignited object to come near battery.

When charging or working near a

battery, always shield your eyes and

provide ventilation.

CAUTION: Keep batteries out of reach

of children. Batteries contain sulfuric

acid. Avoid contact with skin, eyes or

clothing. In case of acid contact with

skin, eyes or clothing, flush

immediately with water for a minimum

of 15 minutes. If acid is swallowed,

drink large quantities of milk, egg or

vegetable oil. Call a physician

immediately.

WARNING: Battery posts, terminals and

related accessories contain lead and

lead compounds, chemicals known to

the State of California to cause cancer

and reproductive harm. Wash hands

after handling.

1. Fuel Filter

Figure 9: Fuel Filter

OT0740

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Ariens 936027 (Sierra 1640H Twin) Specifications Page 17

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