MD Helicopters MD Explorer - Supplemental Fuel Tank Leak Check;Pressure Test Method 2 (Does Not Require Floor Removal)

CSP−900RMM−2MD Helicopters, Inc.
Rotorcraft Maintenance Manual
Page 605
Revision 1
28-10-00
FS
230.50
1
2
9G28-076
1. ELBOW FUEL TRANSFER 2. HOSE FUEL TRANSFER
Figure 601. Supplemental Fuel Tank Leak/Pressure Test Method 1 (Sheet 2 of 2)
B. Supplemental Fuel Tank Leak
Check/Pressure Test Method 2 (Does Not
Require Floor Removal)
Consumable Materials
(Ref. CSP−SPM)
Item Nomenclature
C809 Leak Detector, Liquid
Special Tools
(Ref. CSP−SPM)
Item Nomenclature
T2014−4 Manometer
T2014−6 Regulator, Air Pressure
(1). Ensure supplemental fuel filler cap is
tightly secured.
NOTE: Using the “Test Method 2” tests both
the main and supplemental fuel tanks si
multaneously.
(2). Perform Fuel Cell Leak Check/Pressure
Test “Test Method 2” for main fuel tank
(Ref. Section 28-00-00).
(3). If leakage exceeds the amount allow
able, apply liquid leak detector (C809)
to areas suspected of leaking.
(4). Test most accessible areas first (Ref.
Fuel Cell Leak Check/Pressure Test,
Section 28-00-00).
(5). Test supplemental fuel tank drain plug.
(6). Slowly release air pressure from fuel
cell.
(7). Remove baggage area floor panels and
check all connections.
(8). Reinstall panels and retest.