McCulloch MC621 Snow Blower User Manual


 
13
Changing the Engine Oil
Run the engine a few minutes before changing the
oil to warm it. Warm oil flows better and carries more
contaminants.
4. Place an oil drain pan under the oil drain plug, remove
the oil drain plug, and tip the snowthrower backward and
drain the used oil in the oil drain pan (Figure 23).
5. After draining the used oil, return the snowthrower to
the operating position.
6. Install the oil drain plug and torque to 145-150 in-lbs
(17 N-m).
NOTE: Dipstick location may vary depending on engine
type.
7. Clean around the oil filler cap/dipstick (Figure 24).
8. Unscrew the oil fill cap/dipstick and remove it
(Figure 24).
9. With the snowthrower in the operating position, care-
fully pour oil into the oil fill hole until "Full" on the fill
cap/dipstick line (Figure 26).
Max fill: 18 oz. (0.5 l), type: automotive detergent oil with
an API service classification of SJ, SL, or higher.
Use Figure 25 below to select the best oil viscosity for
the outdoor temperature range expected:
Figure 24
1. Oil fill cap/dipstick
1
1
Figure 25
NOTE: 10W30 synthetic oil is acceptable for use in cold
temperatures.
10. Screw in the oil fill cap/dipstick and hand tighten it
securely.
11. Wipe up any spilled oil.
12. Dispose of the used oil properly at a local recycling
center.
The engine oil will be hot. Avoid skin contact
with the used engine oil.
Figure 23
1. Oil drain plug
1
1. Move snowthrower to a level surface.
2. Run snowthrower until all fuel has been depleted.
3. Remove ignition key.
Figure 26
Fill if oil is
below letter
“L” on the
ller cap
Fill if oil
is below
“Add”
on the
dipstick