WARNING
Cold air entering a hot engine chamber may cause fire flashback and
injury to personnel. Purge hot gases from the engine before removing the
engine head assembly. Immediately install a spare engine head assembly.
The engine and the engine head may become very hot during operation.
Do not touch the engine or the engine head with your bare hands.
Step 2.
Inspect the engine head assembly.
a. Remove the engine head assembly. (Refer to Figure 2-1 on page 2-3.) Immediately install a
serviceable, spare engine head assembly.
b. Restart the smoke generator.
(1) If no further flashing occurs, the engine head was faulty. Continue the smoke mission.
Repair the engine head as soon as possible.
(2) If the flashing continues, shut down the generator and notify organizational maintenance.
Inspect the engine head that was removed and repair as necessary.
PART G -- PERFORM OPERATOR-LEVEL TROUBLESHOOTING
PROCEDURES WHEN THE ENGINE OVERHEATS
This part discusses operator troubleshooting procedures when the smoke generator engine overheats.
Follow these procedures to correct the malfunction (refer to Figure 2-3 on page 2-8).
Step 1.
Check the fog oil supply in the fog oil tank.
a. If the fog oil supply is low, shut down the generator and fill the fog oil tank with fog oil.
b. If the fog oil supply is not low, shut down the generator and go to the next step.
Step 2.
Check the fog oil pump assembly for a clogged strainer.
a. If the fog oil strainer is clogged, clean the strainer and reinstall it. Start the generator and
check for overheating.
b. If the generator still overheats, shut down the generator and notify organizational
maintenance.
CM3305
4-14
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