SUBTASK 76-11-10-700-002-F00
(5) Do a check of the start brake assembly (engine 2) [72] as follows
NOTE: Do the check only when you replace the LRU.
(a) Set the engine 2 start lever to the CUTOFF position.
(b) Do a check of the circuit values of the start brake assembly at the CUTOFF position.
1) Use a digital/analog multimeter, COM-1793 to measure the circuit values
(Table 403).
Table 403/76-11-10-993-803-F00
CIRCUIT SETTINGS
Connector
(Switch) Connector Pin Numbers
Circuit Condition
(Switch Settings)
D11290P (S90) 11 and 12 More than 1 megohm
D11290P (S90) 11 and 13 Less than 1 ohm
D11290P (S1027) 15 and 5 More than 1 megohm
D11290P (S1027) 15 and 4 Less than 1 ohm
D11290P (S1029) 9 and 8 More than 1 megohm
D11290P (S1029) 9 and 7 Less than 1 ohm
D11292P (S91) 11 and 12 More than 1 megohm
D11292P (S91) 11 and 13 Less than 1 ohm
D11292P (S1028) 15 and 5 More than 1 megohm
D11292P (S1028) 15 and 4 Less than 1 ohm
D11292P (S596) 9 and 8 More than 1 megohm
D11292P (S596) 9 and 7 Less than 1 ohm
(c) Set the engine 2 start lever to the IDLE position.
(d) Do a check of the circuit values of the start brake assembly at the IDLE position.
1) Use a digital/analog multimeter, COM-1793 to measure the circuit values
(Table 404).
Table 404/76-11-10-993-804-F00
CIRCUIT SETTINGS
Connector
(Switch) Connector Pin Numbers
Circuit Condition
(Switch Settings)
D11290P (S90) 11 and 12 Less than 1 ohm
D11290P (S90) 11 and 13 More than 1 megohm
D11290P (S1027) 15 and 5 Less than 1 ohm
D11290P (S1027) 15 and 4 More than 1 megohm
D11290P (S1029) 9 and 8 Less than 1 ohm
D11290P (S1029) 9 and 7 More than 1 megohm
D11292P (S91) 11 and 12 Less than 1 ohm
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
CFM56 ENGINES (CFM56-7)
76-11-10
Page 414
D633A101-ILF Jun 15/2019
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
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