BHT-206A/B-SERIES-MM-1
5-00-00
Page 146 Rev. 14 30 APR 2013
Export Classification C, ECCN EAR99
b. Service fuel cell with 10 gallons (37.90 L) of fuel.
BHT-206A-FM-1,
BHT-206B-FM-1,
BHT-206B3-FM-1
c. Perform normal engine starting and run-up checks.
d. Set throttle to full open and operate engine at 100% N
2
for a minimum of 2 minutes with both fuel boost pumps off. If
flameout or power loss occurs, refer to step 3.
e. Perform normal engine shutdown.
2. When maintenance and/or component change is
conducted above top fitting of fuel cell, immediately following
fuel system maintenance and/or component change/removal
(fuel pressure transducer, fuel valve, schedule fuel component
change/removal fuel line or hose), ground run helicopter and
check for air or fuel leaks and for proper operation as follows:
BHT-206A-FM-1,
BHT-206B-FM-1,
BHT-206B3-FM-1
a. Perform normal engine start and run-up checks.
b. Set throttle to full open and operate engine at 100% N
2
for a minimum of 2 minutes with both fuel boost pumps OFF. If
flameout or power loss occurs, refer to step 3.
3. If flameout or power loss occurs, air is entering engine fuel
system or an engine pneumatic leak exists. Malfunction must be
corrected before commencing flight operations.
a. Verify fuel boost pump; check valve and fuel shutoff
valve for proper operation.
b. Ensure all hoses and lines are serviceable and do not
have cracked flares and that B-nuts are correctly torqued.
Rolls-Royce 250
Series Operation and
Maintenance Manual
5W2 or 10W2
c. Purge air from fuel system and accomplish pneumatic
leak check.
5-46. AFTER FUEL SYSTEM MAINTENANCE AND/OR COMPONENT CHANGE (CONT)
DATA REFERENCE INSPECTION TASK DESCRIPTION
INITIAL
MECH OTHER
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