Milwaukee 4950-20 Manuel D'utilisateur page 18

changing Engine Oil
Change the oil after the first 5 hours of operation. Change oil
every 100 hours thereafter. If you are using your generator
under extremely dirty or dusty conditions, or in extremely
hot weather, change the oil every 50 hours.
Avoid prolonged or repeated skin contact with used
motor oil.
• Used motor oil has been shown to cause skin cancer in certain
laboratory animals.
• Thoroughly wash exposed areas with soap and water.
KEEP OUT OF REACH OF CHILDREN. DON'T
POLLUTE. CONSERVE RESOURCES. RETURN
USED OIL TO COLLECTION CENTERS.
Change the oil while the engine is still warm from running,
as follows:
1. Make sure unit is on a level surface.
2. Disconnect the spark plug wire from the spark plug and
place the wire where it cannot contact spark plug.
3. Clean area around oil drain plug. The oil drain plug is
located at base of engine, opposite carburetor.
4. Remove oil drain plug and drain oil completely into a
suitable container.
5. Reinstall oil drain plug and tighten securely. Remove oil
cap/dipstick.
6. Slowly pour recommended oil (about 32 oz.) into oil fill
opening. Pause to permit oil to settle. Fill to "Full" mark
on dipstick.
7. Wipe dipstick clean each time oil level is checked. DO
NOT overfill.
8. Reinstall oil cap/dipstick. Tighten cap securely.
9. Wipe up any spilled oil.
Service Air cleaner
Your engine will not run properly and may be damaged if
you run it with a dirty air cleaner.
Clean or replace the foam pre-filter every 25 hours of
operation or sooner under dusty or dirty conditions. Clean
or replace the paper air filter every 100 hours of operation or
yearly, whichever comes first. Clean or replace more often if
operating under dusty or dirty conditions.
To service the air cleaner, follow these steps:
1. Loosen knobs and swing air cleaner cover (A) to the
side.
2. Remove cover and air cleaner assembly from base (b).
3. Carefully remove cartridge retainer (c) and pre-cleaner
(D) from paper filter (E).
4. Wipe clean inside of base and cover thoroughly.
1
cAUTION
A
b
c
D
5. Clean or replace the foam pre-cleaner. Wash pre-
cleaner in a solution of household detergent and warm
water, then rinse thoroughly. Squeeze dry in a clean
cloth. DO NOT twist.
6. Saturate foam pre-cleaner in clean engine oil and
squeeze in a clean, absorbent cloth to remove all
excess oil. DO NOT twist.
IMPORTANT: The engine will smoke during initial start-up if
too much oil is left in the pre-cleaner.
7. Clean paper filter by tapping it gently on a solid surface.
If the paper filter is too dirty, replace it with a new one.
Dispose of the old filter properly.
8. Reinstall pre-cleaner on retainer.
9. Install pre-cleaner in cover with mesh side toward
paper filter. Install paper filter in cover or on base.
10. Assemble air cleaner assembly and cover onto base
and tighten knobs.
Service Spark Plug
Change the spark plug every 100 hours of operation or once
each year, whichever comes first. This will help your engine
to start easier and run better.
1. Clean area around spark plug.
2. Remove and inspect spark plug.
3. Check electrode gap with wire feeler gauge and reset
spark plug gap to recommended gap if necessary (see
Specifications).
4. Replace spark plug if electrodes are pitted, burned
or porcelain is cracked. Use the recommended
replacement spark plug. See Specifications.
5. Install spark plug and tighten firmly.
E
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