JUL 2020 Chapter 92 ENG Version Page 92.49
92-270 G496-1 DVR Installation (continued)
E. Scheduled Inspections
Every 100-hour or annual inspection, inspect ODYSSEY7Q or ODYSSEY7QPLUS
monitor/recorder for proper installation (refer to R66 Illustrated Parts Catalog Chapter
92) & proper operation per Part D steps 4 and 5.
F. Special Inspections
1. Refer to Figure 92-1. Turn battery & news equipment switches off. Open circuit
breaker panel.
2. As required, remove ODYSSEY7Q or ODYSSEY7QPLUS monitor/recorder per Part
A. Inspect condition of and verify no obvious damage to monitor/recorder, circuit
breaker, and wiring. Verify no loose, chafed, or broken wires or terminals. Verify
no evidence of arcing. Verify equipment security.
3. Secure circuit breaker panel. Install monitor/recorder per Part A if removed.
92-280 Aux Electrical System Installation
An additional circuit breaker panel on the ledge just forward of the pilot’s seat contains
all circuit breakers for ENG equipment. The forward row of circuit breakers is a 28-volt
bus and the aft row is a 14-volt bus. A 28 to 14-volt converter powers the 14-volt bus.
The news equipment master switch on the left side of the panel controls power to all ENG
equipment.
NOTE
ENG circuit breaker panel will not be powered by news equipment
master switch unless avionics switch is also on.
92-285 D301 Ballast Installation
CAUTION
Altering fixed ballast can appreciably affect helicopter center of
gravity (CG).
CAUTION
Maximum allowable empennage ballast is 21.00 lb on E.N.G
Versions. One upper and one lower weight are required.
Available combinations provide total weight of 3, 6, 9, 12, 15,
& 21 lb.
Refer to Chapter 8-00 for weight and balance information.
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