Operator's Manual
12
IMPORTANT
: Drain gasoline fr
om a cold engine only
.
2.
Pull the wire off of the spark plug (Fig. 15).
3.
Remove the cap from the fuel tank and use a
pump-type syphon to drain the fuel into a clean gas
can.
Note:
This is the only procedure recommended for
draining fuel.
Change
Engine Oil
Change
the engine oil after the first
5
hours of operation
and after
50
hours of operation or yearly thereafter
.
Change oil while the engine is warm.
WARNING
POTENTIAL HAZARD
•
Gasoline is extr
emely flammable, highly
explosive and under certain conditions can
cause personal injury or pr
operty damage.
WHA
T CAN HAPPEN
• T
ipping the mower may cause fuel leakage
fr
om the carbur
etor or fuel tank.
HOW T
O A
V
OID THE HAZARD
• A
void fuel spills by running the engine dry or
r
emoving gas with a hand pump; never siphon.
1.
Drain the gasoline from the fuel tank. Refer to the
Draining Gasoline section, page 1
1.
2.
Start the engine and let it run until it runs out of fuel.
3.
Pull the wire off of the spark plug (Fig. 15).
4.
Remove the dipstick and tip the mower on the left
side, draining the oil out the oil fill tube into an
appropriate container (Fig. 14).
m–-1782
Figure
14
1. Oil
fill tube
5. Recycle
the oil as per local codes.
6. T
urn the mower upright.
7.
Fill the crankcase to the FULL line on the dipstick
with fresh oil. Refer to the Oil section, page 6, for
specifications.
8.
Check the oil level and install the dipstick.
9. W
ipe up any spilled oil.
Spark
Plug
Use
a Champion RJ19LM spark plug or equivalent. The
correct air gap is 0.030” (0.76 mm). Remove the plug
after every 25 operating hours and check its condition.
1.
Stop the engine and pull the wire off the spark plug
(Fig. 15).
1002
1
2
m-4198
Figure
15
1. Spark
plug wire (Models 20022, 20023, 20025, 20029, and
20061)
2.
Spark plug wire (Model 20027)
2. Clean
around the spark plug and remove it from the
cylinder head.
IMPORTANT
: Replace a cracked, fouled, or dirty
spark plug. Do not clean the electr
odes because engine
damage could r
esult fr
om grit entering the cylinder
.
3.
Set the gap on the new plug to 0.030” (0.76 mm) (Fig.
16).
986
.030 in.
(.76 mm)
Figure
16
4. Install
the spark plug and gasket seal. T
ighten the plug
to 15 ft-lb (20 N
m).
5.
Connect the spark plug wire (Fig. 15).
Adjusting
the Self-propel Cable
If
the top speed begins to slow on the mower
, adjust the
self–propel cable.
1. W
ith the engine turned of
f, remove the bolt securing
the belt cover (Fig. 28) and remove the cover
.