John Deere AC-G4010H Portable Generator User Manual


 
Operator’s Manual 25
MAINTENANCE
CLEANING AND GAPPING SPARK PLUG:
If the plug is contaminated with carbon, remove it using a
plug cleaner or wire brush.
Check the spark plug gap and reset it if necessary. The spark
plug gaps are listed below. To change the gap, bend the side-
electrode only, using a spark plug tool. (Fig. 9)
Install and tighten the spark plug. Connect the spark plug
lead.
Recommended Spark Plug:
SPARK ARRESTOR:
If the generator has been running, the mufer will be very
hot. Allow it to cool before proceeding.
NOTE:

NOTE:


Clean the spark arrester as follows: (Fig. 10 and 11)
1. Loosen the screw by the exhaust port of the mufer and
remove the spark arrester.
2. Use a brush to remove carbon deposits from the spark
arrester screen. Inspect the screen for breaks or tears and
replace it if necessary.
3. Install the spark arrester in the reverse order of removal.
Spark arrestors are available from your local John Deere
Customer Service. Other user requirements may apply, check
with your Federal, State or local authorities.

Spark Plug Gap
(See recommendations)
SPARKARRESTERSCREEN
SPARKASSESTER
SCREW
(Fig. 9)
(Fig. 11)
(Fig. 10)
Engine Subaru Honda
Spark Plug NGK BR-6HS NGK BPR6ES
Spark Plug Gap 0.6 - 0.7 mm
(0.02-0.03 in.)
0.7 - 0.8 mm
(0.03 in.)
Torque - New 8.7-10.9 ft-lb
Torque - Retighten 16.6-19.5 ft-lb