Spark Plug Service - Honeywell HW2000i - Portable Inverter Generator Owner's Manual

Spark Plug Service

To ensure proper engine operation, the spark plug must
be properly gapped and free of deposits.
If the engine has been running, the muffler will
reach temperatures that could cause severe burns.
DO NOT TOUCH.
Recommended Spark Plug Replacement: 101566A
HW1000i
NGK CR5HSA
Bosch
Champion
Denso U16FSR-U
TABLE 7. Spark Plug Equivalents
To service the spark plug, you will need:
‰ Clean cloth
‰ Spark plug wrench
‰ New spark plug (if existing spark plug is exces-
sively worn or damaged)
‰ Wire brush
‰ Spark plug gauge (for setting spark plug gap)
Stop the generator if the engine is running. Allow to
1.
completely cool.
Place the generator on a flat, level surface.
2.
3. Remove the top maintenance cover.
Remove the spark plug cap.
4.
FIGURE 40: Spark Plug Cap Removal
Clean any dirt from around spark plug base.
5.
* See Maintenance Parts at the end of this manual.
HW1000i / HW2000i Inverter Generator Owner's Manual
HW2000i
CR6HSA
-- UR6AC
-- P-RZ9HC
U20FSR-U
Using the spark plug wrench, loosen and remove the
6.
spark plug.
*
FIGURE 41: Spark Plug Removal
Inspect the spark plug.
7.
If spark plug is damaged or excessively worn, or if
„
insulator is cracked or chipped, use a new spark
plug.
„ If the spark plug is in good condition, clean spark
plug with wire brush.
Measure spark plug gap with spark plug gauge.
8.
Gap should be: 0.024-0.028 in. (0.60-0.70 mm).
FIGURE 42: Correct Spark Plug Gap
If necessary, adjust gap by carefully bending side
9.
electrode.
Inspect spark plug washer and verify it is in good con-
10.
dition.
11. Reinstall the spark plug by hand to prevent cross-
threading.
12. After the spark plug is seated, tighten with the spark
plug wrench to compress the washer.
„ If installing a new spark plug, tighten l/2 turn after
the spark plug seats to compress the washer.
If reinstalling a used spark plug, tighten l/8 - l/4 turn
„
after the spark plug seats to compress the washer.
Reinstall the top maintenance cover.
13.
The spark plug must be securely tightened. An improperly
tightened spark plug can become very hot and could dam-
age engine. Never use spark plugs that have an improper
heat range. Use only recommended spark plugs or equiva-
lent.
Spark Plug Service
Spark Plug Service
0.024-0.028 in
(0.60-0.70 mm)
NOTICE
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