(c)
The FUEL CONTROL switch is in the CUTOFF position.
S 862-022-N00
CAUTION: KEEP THE HYDRAULIC POWER FOR SYSTEM NO. 1 PRESSURIZED DURING
_______ THE OPERATION OF THE TEST. IF YOU DO NOT KEEP THE HYDRAULIC SYSTEM PRESSURIZED, YOU WILL NOT HAVE CONTROL OF THE NOSE STEERING DURING AN ENGINE OPERATION.
(21)
Supply hydraulic power to system No. 1 (AMM 29-11-00/201).
S 862-021-N00
(22)
Put the parking brake in the ON position and if it is necessary use the electric pump in the No. 4 hydraulic system for a pressure source.
NOTE: If the No. 4 hydraulic system is pressurized by the
____ engine-driven or air-driven pump, put the HYD PUMPS DEMAND 4 switch to the AUTO or the ON position as it is applicable.
(a) If the electric pump is used as a pressure source, put the HYD PUMPS DEMAND 4 switch to the AUX position.
S 862-020-N00
(23) Supply pneumatic power (AMM 36-00-00/201).
S 862-160-N00
WARNING: MAKE SURE YOU OPEN THE CIRCUIT BREAKERS FOR THE WEATHER RADAR
_______ SYSTEM BEFORE YOU OPERATE THE ENGINE. IF YOU DO NOT, YOU CAN CAUSE SERIOUS INJURY OR DEATH TO PERSONS AND DAMAGE TO EQUIPMENT.
(24) Open these circuit breakers on the overhead circuit breaker panel, P7, and attach the DO-NOT-CLOSE tags:
(a) 7C7, WXR L RT
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REVERSE THRUST LEVERS
FORWARD THRUST LEVERS SEE A SEE B
FLIGHT COMPARTMENTPARKING BRAKE LEVER
CONTROL STAND
A
FUEL CONTROL SWITCH B
(4 LOCATIONS)
Control Stand Figure 208
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////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
(b) 7C19, WXR R RT
S 862-023-N00
(25) Open these circuit breakers that follow and install the DO-NOT-CLOSE tags:
NOTE: Before the ground operation or the test of the power plant,
____ you must open the circuit breakers for the flight recorder to prevent the recorded data from flights before to be erased.
(a)
P415 Main Power Distribution Panel
1) 415L36, FLT RCDR AC
(b)
P180 DC Power Distribution Panel
1) 180J26, FT RCDR DC
S 972-024-N00
(26)
Prepare a record sheet for the engine data during the start and
ground operations.
G.
Operate the Engine
S 582-058-N00
(1)
Make sure you know the Ground Safety Precautions.
S 862-025-N00
(2)
On the pilots' overhead panel, P5, make sure the components that
follow are in the specified position:
(a)
Applicable ELEC ENG CONTROL switch - NORM
(b)
STANDBY POWER switch - AUTO
(c)
BATTERY switch - ON
(d)
BUS TIE switches - AUTO
(e)
GEN CONT switches - OFF
(f)
HYD PUMPS DEMAND 1, 2, and 3 switches - OFF
(g)
HYD PUMPS DEMAND 4 switch - AUX
(h)
HYD PUMPS ENGINE 1, 2, 3, and 4 switches - ON
(i)
Fire handles 1, 2, 3, 4, and APU - in
(j)
START 1, 2, 3, and 4 buttons - in
(k)
STBY IGNITION switch - NORM
(l)
CON IGNITION switch - OFF
(m)
FUEL X FEED 1, 2, 3, and 4 switches - ON
(n)
Fuel switches:
1) CTR L and R switches - off
2) Applicable MAIN AFT and FWD switches - ON
3) OVRD 2 and 3 AFT and FWD switches - OFF
(o)
STAB L and R switches - OFF
(p)
Applicable engine NACELLE ANTI-ICE switch - OFF
