Honeywell HW7500E Service Manual - Page 29

Cleaning Fuel Sediment Cup, Spark Plug Service - carburetor

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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, you will need: ‰ 10 mm box wrench ‰ 22 mm open end wrench ‰ Household soap and water ‰ Clean, dry cloth 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 sediment cup assembly (sediment cup, o-ring, and fuel screen) using a 10 mm box wrench. FIGURE 7-11: Fuel Sediment Cup Assembly Removal A B C FIGURE 7-12: Fuel Sediment Cup Assembly 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. WARNING If the engine has been running, the spark plug will reach temperatures that could cause severe burns. Do not touch. 1. Measure the spark plug gap with a wire feeler gauge. Gap should be: 0.028-0.031 in. (0.70-0.80 mm). .028 - .031 in. (.70 - .80 mm) FIGURE 7-13: Correct Spark Plug Gap 2. If necessary, adjust gap by carefully bending side electrode. 3. Torque spark plug to 28 N•m (21 lb. ft.). 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. HW3000 & HW3000L Models: Recommended Spark Plug Replacement: 102557A AutoLite 62 Bosch WR5DC Champion RN6YC Denso W22EPR-U NGK BPR7ES TABLE 7-3. Spark Plug Equivalents to 102557A All Other Models: Recommended Spark Plug Replacement: 100842A AutoLite 63 Bosch WR7DC Champion RN9YC Denso W20EPR NGK BPR6ES TABLE 7-4. Spark Plug Equivalents to 100842A Honeywell Portable Electrical Generator Service Manual www.honeywellgenerators.com 7-5

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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)