barfield 1811D Series, Руководство пользователя

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1811D INSTRUCTION MANUAL
56-101-00164 Rev. F SECTION 3
Apr / 19 / 13 Page 23 of 38
11. ENGINE PRESSURE RATIO (EPR) TEST
A. Test Procedure
(1) Connect the PRESSURE PORT (#C) to the Pt7 (Hi) port of EPR to be tested.
(2) Connect the VACUUM PORT (#F) to Pt2 (Lo) port of EPR to be tested.
(3) Using the methods described in test 9. COMBINED PITOT (AIRSPEED) / STATIC
(ALTITUDE) TEST, refer to Table 2 and set up altitude and airspeed combinations.
AIRSPEED (knots)
Pt7 (Hi) Port
ALTITUDE (feet)
Pt2 (Lo) Port
EPR
(Engine Pressure Ratio)
650 25, 870 3.4
546 35,000 3.4
650 21,650 3.0
504 35,000 3.0
650 14,690 2.5
534 25,870 2.5
444 35,000 2.5
650 4,210 2.0
500 20,000 2.0
369 35,000 2.0
478 5,000 1.5
365 20,000 1.5
265 35,000 1.5
Engine Pressure Ratio Test Table
TABLE 2
12. MANIFOLD PRESSURE GAUGE TEST
A. Test Procedure
(1) Plug or cap PRESSURE PORT (#C).
(2) Connect VACUUM PORT (#F) to manifold gauge to be tested.
(3) Close all T/S valves. Open the CROSSBLEED valve (#3) fully and maintain it
open.
(4) Verify that the altimeter (#E) is set at 29.92 inHg (1013.3 mb).
(5) Operate the VACUUM PUMP (#H) and the PRESSURE PUMP (#A) as necessary.