MD Helicopters 369D - Page 57

CSP-HMI-3MD Helicopters, Inc.
MAINTENANCE MANUAL
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The information disclosed herein is proprietary to MD Helicopters, Inc.
Neither this document nor any part hereof may be reproduced or transferred to
other documents or used or disclosed to others for manufacturing or any other
purpose except as specifically authorized in writing by MD Helicopters, Inc.
Copyright © 1999−2016 by MD Helicopters, Inc.
G95−0008−1
VIEW
A-A
(TYP)
WASHER
LOCKWASHER
NUT
WIRE LEAD AND
TERMINAL LUG
PRINTED CIRCUIT BOARD
(NOTE 1)
THREADED TERMINAL STUD
(NOTE 1)
WASHER
LOCKWASHER
NUT
NOTE 1
STOWED WIRES
J4
INSTRUMENT CLUSTER
WIRING HARNESS
(NOTE 4)
E507A22
(NOTE 8)
L534C22
(NOTE 7)
WIRE
E540D22
FIXED SHUNT RESISTOR
(TYP) (NOTES 1, 3)
5
43
A
A
1
10
B
B
DC
AMP
OIL
T
FUEL
8
1
1
12
FIXED SHUNT RESISTOR
(TYP) (NOTES 1,3)
NOTE 7
INTERNAL LAMPS
(NOTE 7)
WIRE L542E20N
INSTRUMENT CLUSTER
THREE-PACK
REAR VIEW
NOTES:
1. PART OF AND FURNISHED WITH INSTRUMENT CLUSTER.
2. USED ONLY WITH RESISTOR R112 INSTALLED.
3. FOR ASSOCIATED INDICATOR INSIDE CLUSTER.
4. FOR INFORMATION ON HARNESS INTERCONNECTION
WIRING BETWEEN CONNECTOR J4 AND THREADED
TERMINAL STUDS, SEE APPLICABLE ELECTRICAL SYSTEM
WIRING DIAGRAM IN CHAP. 96.
5. THREADED TERMINAL STUDS:
NO.
ITEM
1. FUEL QUANTITY GAGE
3. OIL TEMPERATURE GAGE
4. AMMETER - (GND)
5. AMMETER +
6. +14.5 VDC POWER INPUT
8. -POWER INPUT (COMMON GND (NOTE 6)
9. INTERNAL LAMPS, IF USED.
6. ALSO GND FOR FUEL QUANTITY AND TEMPERATURE GUAGES.
7. USED FOR INTERNAL LAMPS WIRING INSTALLATION, OTHERWISE
STOWED WIRE ENDS.
8. WIRE END INSULATED AND SECURED AT STOWED POSITION.
Figure 501. Instrument Cluster Three−Pack, With Wiring Harness, Early Model (Sheet 1 of 2)