S 865-017-C00
(6) AIRPLANES WITH EIS; Make sure these circuit breakers are closed:
(a) P6 Load Control Center
1) ENG 1 R IGN
2) ENG 1 L IGN
3) ENG 2 R IGN
4) ENG 2 L IGN
5) EIS 2
6) EIS 4
S 015-035-C00
(7) Open the fan cowl panels (AMM 71-11-02/201).
S 015-036-C00
WARNING: OBEY THE INSTRUCTIONS IN AMM 78-31-00/201 TO OPEN THE THRUST
_______ REVERSERS. IF YOU DO NOT OBEY THE INSTRUCTIONS, INJURY TO PERSONS OR DAMAGE TO THE EQUIPMENT CAN OCCUR.
(8)
Open the thrust reverser (AMM 78-31-00/201).
S 755-019-C00
(9)
Do the audible test of the ignition system with the ignitor selector switch in the BOTH position:
(a) Put a person near the spark igniter to listen for the igniter plug to fire during this test.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
74-00-00
ALL ú ú C02 Page 503 ú Jul 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
(b)
Move the start lever for the applicable engine to the IDLE
position.
(c)
Move and hold the applicable ENGINE START switch for the
applicable engine to the GRD position.
1) For engine 1, use ENGINE START NO. 1.
2) For engine 2, use ENGINE START NO. 2.
(d)
Move the selector switch on the ENGINE START module to the BOTH position.
(e)
Make sure you hear the two engine spark igniters fire.
(f)
If you cannot hear the sounds from the two spark igniters,
do these steps:
NOTE: If there is too much background noise, it is not always
____ possible to hear if one or two spark igniters are in operation.
(g)
For the right ignition system, open this circuit breaker and
attach a DO-NOT-CLOSE tag:
1) P6 LOAD CONTROL CENTER
a) R IGN
(h)
Move the start lever for the applicable engine to the IDLE
position.
(i)
Move and hold the applicable ENGINE START switch to the GRD
position.
(j)
Move the selector switch on the ENGINE START module to the BOTH position.
(k)
Make sure that the left spark igniter fires.
(l)
For the right ignition system, remove the DO-NOT-CLOSE tag and close this circuit breaker: 1) P6 LOAD CONTROL CENTER
a) R IGN
(m)
For the left ignition system, open this circuit breaker and
attach a DO-NOT-CLOSE tag:
1) P6 LOAD CONTROL CENTER
a) L IGN
(n)
Move and hold the applicable ENGINE START switch to the GRD
position.
(o)
Move the selector switch on the ENGINE START module to the BOTH position.
(p)
Make sure that the right spark igniter fires.
(q)
For the left ignition system, remove the DO-NOT-CLOSE tag and close this circuit breaker: 1) P6 LOAD CONTROL CENTER
a) L IGN
S 755-020-C00
(10) Do the audible test of the igniton system with the ignitor selector switch in the IGN L and IGN R position:
(a)
Move the selector switch on the ENGINE START module to the IGN L position.
(b)
Make sure the left spark igniter fires.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
74-00-00
ALL ú ú C02 Page 504 ú Mar 15/95
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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