MD Helicopters 369-500, Инструкция по техническому обслуживанию

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CSP-HMI-3
MD Helicopters, Inc
.
MAINTENANCE MANUAL
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95-30-00
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1999 − 2016 by MD Helicopters, Inc.
CHROMEL
ALUMEL
P5
WHITE
GREEN
K
N
P1202J
1-321897-0 CHROMEL TERMINAL
LUG FOR NUMBER 8 STUD
(NON-MAGNETIC))
1-321898-0 ALUMEL
TERMINAL LUG FOR
NUMBER 10 STUD
(MAGNETIC)
88-773-1
DISCONNECT ENGINE
THERMOCOUPLE LEADS
FROM STUDS ON TC300.
CONNECT TESTER HERE.
M39029/32-245
SOCKET
M39029/32-244
SOCKET
M39029/88-491
SOCKET
M39029/88-492
SOCKET
M39029/87-479
PIN
M39029/87-480
PIN
TOT INDICATOR
F
G
TC300
WHITE
GREEN
Figure 503. TOT Wire Harness Termination Verification (369D/E − 500N)
13. Digital TOT Indicating System Inspection
(600N)
(Ref. Figure 504)
Special Tools
(Ref. Section 91 − 00 − 00)
Item Nomenclature
N/A Fluke, Model No. 714 tester
N/A Omega, Model No. CL − 307A − K tester
N/A Barfield, Model No. TT − 1000A tester
(1). Disconnect the engine thermocouple
wire harness at the TC3002 terminal
block located on the aft-right face of
the engine fireshield.
(2). Connect tester to TC3002.
(a). Connect tester wire to #8 stud on
TC3002 (white chromel wire)
(yellow lead for Fluke and Omega,
red for Barfield).
(b). Connect tester wire to #10 stud on
TC3002 (green alumel wire)
(red lead for Fluke and Omega, black
for Barfield).
For Omega and Fluke testers,
do not force lead into tester, one
lead prong of plug is larger than the other,
damage to tester connection will occur.
(c). Connect lead to tester.
(3). Connect FADEC maintenance lap-top
terminal to ECU.
(4). Set power switch to source for Omega
and Fluke or ON position for Barfield.
NOTE:
Do not set temperature above 765
°
C. If
maximum temperature is exceeded on the
TOT gauge (779
°
C for more than 12 se­
conds), an exceedance is recorded.
(5). Set indicator to temperatures in
Table 506.
(6). Turn on aircraft electrical power.
NOTE:
TOT indicator requires approximately
five seconds to reset internal circuitry.
(7). Verify TOT gauge indicates same as
tester, within tolerance (Ref.
Table 506).
(a). If TOT indicator matches tempera­
tures in Table 505, no further action
is required.
(b). If TOT indicator does not match
temperatures in Table 506;
CAUTION