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Table 5-3. Direct and General Support Maintenance Troubleshooting (Continued) -502230292
Table 5-3. Direct and General Support Maintenance Troubleshooting (Continued) -502230294

TM-5-3740-214-14 Aerosol Generator Non-Thermal Insecticide Unltra-Low Volume Model XKA (NSN 374001-076-1341) Manual
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TM 5-3740-214-14
Table 5-3. Direct and General Support Maintenance Troubleshooting (Continued)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
ENGINE OPERATES ERRATICALLY (Continued)
CAUTION
BE CAREFUL when removing the spark plug from the engine. The insulator will break easily.
Figure 5-146. Spark Plug Cleaning and Removal
a.
Remove the spark plug.
(1)
Loosen the spark plug a few turns.
(2)
Blow high pressure air into the spark plug well. This will clean out any dirt or debris.
(3)
Remove the spark plug by hand.
b.
Check the spark plug visually. Replace it and go to Step 9, if there are:
(1)
Cracks in the insulator.
(2)
Electrodes worn so thin they cannot be regapped.
(3)
Oil fouling, soft, wet, oily deposits covering the insulator and the plug nose. If there is oil fouling,
go to Step 9.
(4)
Build-up of deposits between insulator and the plug shell.
5-134






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