Honeywell HW4000L Owners Manual - Page 29

Cleaning Fuel Sediment Cup, Spark Plug Service - hw4000 carburetor parts

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Cleaning Fuel Sediment Cup Cleaning Fuel Sediment Cup The sediment cup helps prevent fuel tank residue from entering the carburetor. Clean fuel sediment cup at the intervals specified in Table 2. To clean fuel sediment cup, you will need: ‰ 10 mm box wrench ‰ 14 mm open end wrench ‰ Household soap and water ‰ Clean, dry cloth To clean fuel sediment cup: 1. Stop engine if it is running. Allow to completely cool. 2. Place the generator on a flat, level surface. 3. Turn fuel shut-off valve to OFF position. 4. While holding the fitting above the fuel shut-off valve with a 14 mm open end wrench, remove the fuel sediment cup assembly (sediment cup, o-ring, and fuel screen) using a 10 mm box wrench. FIGURE 40: Fuel Sediment Cup Assembly Removal 5. Clean fuel screen (A), o-ring (B), and sediment cup (C) with soap and water. A Spark Plug Service To ensure proper engine operation, spark plug must be properly gapped and free of deposits. WARNING If engine has been running, spark plug will reach temperatures that could cause severe burns. Do not touch. Recommended Spark Plug Replacement: 100842A* Bosch WR7DC Champion RN9YC Denso W20EPR NGK BPR6ES TABLE 4. Spark Plug Equivalents to 100842A To service spark plug, you will need: ‰ Clean cloth ‰ 13/16" spark plug socket wrench ‰ New spark plug (if existing spark plug is exces- sively worn or damaged) ‰ Wire brush ‰ Spark plug gauge (for setting spark plug gap) 1. Stop engine if it is running. Allow to completely cool. 2. Place the generator on a flat, level surface. 3. Remove spark plug cap. B C FIGURE 41: Fuel Sediment Cup Assembly 6. Rinse parts thoroughly with water. 7. Wipe pieces clean with clean, dry cloth. 8. Reinstall sediment cup, o-ring, and fuel filter. 9. Turn fuel shut-off valve to ON position. 10. Start generator and check for leaks. FIGURE 42: Spark Plug Cap Removal 4. Clean any dirt from around spark plug base. * See Maintenance Parts at end of this manual. HW4000/HW4000L Portable Electrical Generator Owner's Manual www.honeywellgenerators.com 23

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HW4000/HW4000L Portable Electrical Generator Owner’s Manual
www.honeywellgenerators.com
23
Cleaning Fuel Sediment Cup
Cleaning Fuel Sediment Cup
The sediment cup helps prevent fuel tank residue from
entering the carburetor.
Clean fuel sediment cup at the intervals specified in
Table 2.
To clean fuel sediment cup:
1.
Stop engine if it is running. Allow to completely cool.
2.
Place the generator on a flat, level surface.
3.
Turn fuel shut-off valve to OFF position.
4.
While holding the fitting above the fuel shut-off valve
with a 14 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 fuel screen (A), o-ring (B), and sediment cup
(C) with soap and water.
6.
Rinse parts thoroughly with water.
7.
Wipe pieces clean with clean, dry cloth.
8.
Reinstall sediment cup, o-ring, and fuel filter.
9.
Turn fuel shut-off valve to ON position.
10.
Start generator and check for leaks.
Spark Plug Service
To ensure proper engine operation, spark plug must be
properly gapped and free of deposits.
Recommended Spark Plug Replacement: 100842A
*
1.
Stop engine if it is running. Allow to completely cool.
2.
Place the generator on a flat, level surface.
3.
Remove spark plug cap.
4.
Clean any dirt from around spark plug base.
To clean fuel sediment cup, you will need:
±
10 mm box wrench
±
14 mm open end wrench
±
Household soap and water
±
Clean, dry cloth
FIGURE 40:
Fuel Sediment Cup Assembly Removal
FIGURE 41:
Fuel Sediment Cup Assembly
A
B
C
If engine has been running, spark plug will reach
temperatures that could cause severe burns. Do
not touch.
Bosch
WR7DC
Champion
RN9YC
Denso
W20EPR
NGK
BPR6ES
TABLE 4. Spark Plug Equivalents to 100842A
To service spark plug, you will need:
±
Clean cloth
±
13/16” spark plug socket wrench
±
New spark plug (if existing spark plug is exces-
sively worn or damaged)
±
Wire brush
±
Spark plug gauge (for setting spark plug gap)
*
See
Maintenance Parts
at end of this manual.
FIGURE 42:
Spark Plug Cap Removal
WARNING