FIN-8080KM
P/N-413020-5
TQ RANGE-131 to 180 lbft-inch
SEALS REQD-
M83249-1-143 Seal for Lube unit
M83248-1-035 Seal of FCU
M25988-2-011 Seal for FCU line Qty 6
M25988-2-013 Seal for FCU line Qty 2
For replacement of the Lube unit AMM 49-91-45-000/400-003-A,FCU
FCU has 4 fuel lines,3 of which have 2 seals in one line of same P/N and one line has 2 seals of different P/N than 3 previous lines which have 6 seals.
A sequence is to follow for mounting bolts of Lube unit as given below in the pic
Torque required to be given is 180 lbft-inch
Replenish the APU oil if needed and close the APU access door.
Checked for APU performance on both load of electrical and bleed load.
This is just a maintenance tip,refer to AMM for details.
