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Honeywell Portable Electrical Generator Service Manual www.honeywellgenerators.com 7-5
CLEANING FUEL SEDIMENT CUP
7.3 CLEANING FUEL SEDIMENT CUP
The sediment cup prevents any dirt or water that may be
in the fuel tank from entering the carburetor.
Clean fuel sediment cup at the intervals specified in
Table 7-1.
To clean fuel sediment cup:
1. Stop the engine if it is running. Allow to completely
cool.
2. Place generator on a flat, level surface.
3. Turn the fuel shut-off valve to the OFF position.
4. While holding the fitting above the fuel shut-off valve
with a 22 mm open end wrench, remove the fuel sedi-
ment cup assembly (sediment cup, o-ring, and fuel
screen) using a 10 mm box wrench.
5. Clean the fuel screen (A), o-ring (B), and sediment
cup (C), with soap and water.
6. Rinse parts thoroughly with water.
7. Wipe the pieces clean with a clean, dry cloth.
8. Reinstall the sediment cup, o-ring, and fuel screen.
9. Turn the fuel shut-off valve to the ON position.
10. Start generator and check for leaks.
7.4 SPARK PLUG SERVICE
To ensure proper engine operation, the spark plug must
be properly gapped and free of deposits.
1. Measure the spark plug gap with a wire feeler gauge.
Gap should be: 0.028-0.031 in. (0.70-0.80 mm).
2. If necessary, adjust gap by carefully bending side
electrode.
3. Torque spark plug to 28 N•m (21 lb. ft.).
HW3000 & HW3000L Models:
Recommended Spark Plug Replacement: 102557A
All Other Models:
Recommended Spark Plug Replacement: 100842A
To clean fuel sediment cup, you will need:
10 mm box wrench
22 mm open end wrench
Household soap and water
Clean, dry cloth
FIGURE 7-11: Fuel Sediment Cup Assembly Removal
FIGURE 7-12: Fuel Sediment Cup Assembly
A
B
C
If the engine has been running, the spark plug will
reach temperatures that could cause severe burns.
Do not touch.
FIGURE 7-13: Correct Spark Plug Gap
NOTICE
The spark plug must be securely tightened. An improperly
tightened spark plug can become very hot and damage the
engine. NEVER use spark plugs that have an improper heat
range. Use only recommended spark plugs or equivalent.
AutoLite 62
Bosch WR5DC
Champion RN6YC
Denso W22EPR-U
NGK BPR7ES
TABLE 7-3. Spark Plug Equivalents to 102557A
AutoLite 63
Bosch WR7DC
Champion RN9YC
Denso W20EPR
NGK BPR6ES
TABLE 7-4. Spark Plug Equivalents to 100842A
WARNING
.028 - .031 in.
(.70 - .80 mm)