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PW2000 SERIES ENGINES
757
POWERPLANT BUILDUP MANUAL
Inlet Cowl Installation
Figure 14-1 (Sheet 2)
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P/P BUILDUP FIGURE 14-1 Page 4 May 05/2009
ITEM NO. PART NUMBER NOMENCLATURE UC QTY
14-1 INLET COWL INSTALLATION (FIGURE 14-1, SHEET 2) REMOVE ACCESS PANEL IF INSTALLED. SLIDE ELECTRICAL HARNESS INTO INLET COWL AND ATTACH ELECTRICAL CONNECTORS TO PT2/TT2 PROBE. SLIDE SEAL, PLATE AND BRACKET INTO INLET COWL AND INSTALL BOLTS. POSITION ACCESS PANEL OVER OPENING IN INLET COWL. LUBRICATE ALL SURFACES OF BOLTS WITH GREASE. INSTALL CRES BOLTS AT FORWARD AND AFT POSITIONS. TIGHTEN BOLTS TO 68-82 LB-IN. INSTALL TITANIUM BOLTS. TIGHTEN BOLTS TO 68-82 LB-IN. CONNECT PT2 LINE TO INLET COWL. SEAL ACCESS PANEL GAP FLUSH WITH BMS 5-79 (BMS 5-95 OPT) SEALANT.
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QEC SYSTEMS TESTS
1. General
A. QEC systems tests provided in this section are optional and duplicate tests normally performed after engine installation on an airplane.
B. Though these tests are optional, performing these tests can detect problems which could cause delays following engine installation on an airplane.
2. Engine Fire/Overheat Warning System Test
A. General
(1)
This test checks electrical resistance of the fire and overheat detector system.
(2)
Reference WDM 26-11-11, 26-11-21, 26-11-12, 26-11-22
B. Equipment
(1) Multimeter -Fluke 8020 or equivalent
C. Test the fire detection warning system.
(1)
Check that the resistance between pin 1 and 9 of connector D1082P is 3.0 K ohms ± 150 ohms.
