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3.
With engine OFF but still warm, remove oil drain plug and drain oil
into an appropriate receptacle. See Figure 13.
CAUTION
Used oil is a hazardous waste product. Dispose of used oil properly.
Do not discard with household waste. Check with your local authori-
ties or Sears Service Center for safe disposal/recycling facilities.
4.
Reinstall oil drain plug and tighten securely.
5.
Refill the engine with recommended oil. See Recommended Oil
Usage chart. The engine's oil capacity is 20 ounces.
Recommended Oil Usage
5W-30, 10W-30
Synthetic 5W-30, 10W-30
O
-20 F
O
0 F
O
20 F
-30 C
O
-20 C
O
-10 C
O
6.
Wipe away any spilled oil.
Checking Spark Plug
Check spark plug yearly or every 100 operating hours.
1.
Remove choke control knob and safety key.
2.
Loosen and remove the mounting screws from the snow hood.
See Figure 14.
3.
Slowly remove the snow hood, making sure that the primer bulb
hose and ignition wire remain connected. See Figure 14 inset.
4.
Remove and inspect spark plug.
5.
Replace spark plug if porcelain is cracked or if electrodes are
pitted, burned or fouled with deposits.
6.
Check electrode gap with a feeler gauge and set gap to .030
(0.76mm) if necessary. See Figure 15.
7.
Reinstall spark plug and tighten securely.
8.
Remount the snow hood to the engine with the mounting screws,
again making sure the primer bulb hose and ignition wire are
connected.
9.
Connect the choke control knob to the choke shaft on the
carburetor. If the choke control knob is not installed correctly, the
choke will not operate.
10.
Install the safety key.
NOTE: A resistor spark plug must be used for replacement. Contact a
Sears Parts and Repair Center or 1-800-4-MY-HOME® for a replace-
ment spark plug, Champion® part number RC12YC.
Carburetor
Engines operated at about 3000 to 5000 feet (900 to 1500 meters)
above sea level may require a high altitude carburetor main jet. If
erratic performance is observed, contact a Sears Parts and Repair
Center for cost to install/purchase a high altitude carburetor main jet.
SERVICE AND MAINTENANCE
32 F
32 F
O
O
40 F
O
60 F
O
80 F
O
10 C
O
20 C
O
30 C
O
0 C
O
Oil Drain
100 F
O
40 C
O
Choke Control
Knob
2
1. .030 (.76 mm) Gap
2. Electrodes
3. Porcelain
17
Figure 13
Mounting
Screws
Snow Hood
Spark Plug
Figure 14
1
Figure 15
Oil FIll
3
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