INSTALL MAIN FUEL TANK FORWARD BOOST PUMP AND CHECK VALVE
Procedure is same to install forward
boost pump and check valve in No. 1
or No. 2 main fuel tank. Installation
of No. 1 (left) boost pump and check
valve is shown here.
INSTALL FORWARD CHECK VALVE
Install locknut (1) and packing (2) on check valve
Remove plug from tee (4). With wrench on flats
of tee, install tee on check valve (3).
Align check valve (3) and tee (4) as shown.
Tighten locknut (1).
INSTALL FORWARD BOOST PUMP
Remove cap from nipple (5). Install locknut (6)
and packing (7) on nipple
Remove plug from tee (4). Apply grease (E458)
to thread of nipple (5). Install tee on nipple.
Align tee (4) and boost pump (8) as shown. Hold
flats on tee with wrench. Tighten locknut (6).