NOTE: FAN SHOULD SPIN FREELY BY HAND WHEN UNLOCKED.
Listen to pump bearings when fan is hand-spun to ascertain freedom from friction.
Check manually operated bypass valve for proper position according to plan.
NOTE: HANDLE IS CLOSED IN PULL POSITION
Install and arrange nozzles, orifices, and cores on booms.
NOTE: CHECK TO VERIFY THAT ALL TIPS ARE CLEAN.
Check for proper operation of manual control valve by actuating valve lever. If inoperative, check
for binding in fittings at end of push-pull rod.
Prepare general and pre-flight portion of System Log.
Place ground loading unit (GLU) on right side of aircraft (pilot side).
Check the GLU hoses and fittings for security and the strainer screen for cleanliness.
Check fuel level of GLU.
Check that GLU input valve is in closed position.
Start GLU and run for 30 seconds to test for proper operation, stop GLU following test.