(Continued)
Reference Description
STD-3940
Air Source - Regulated, Dry Filtered, 0 to 150 psig
D. Location Zones
Zone Area
410 Subzone - Engine 1
420 Subzone - Engine 2
E. Prepare for check
SUBTASK 24-11-00-010-001
(1) Do this task: Open the Fan Cowl Panels, TASK 71-11-02-010-801-F00.
F. Procedure
SUBTASK 24-11-00-710-001
WARNING
DO NOT TOUCH THE COMPONENTS OF THE OIL SYSTEM IF THE ENGINE
IS HOT. THESE COMPONENTS STAY HOTTER THAN OTHER
COMPONENTS. HOT COMPONENTS CAN BURN YOU.
WARNING
DO NOT LET HOT OIL GET ON YOU. PUT ON GOGGLES AND OTHER
EQUIPMENT FOR PROTECTION OR LET THE ENGINE BECOME COOL. HOT
OIL CAN BURN YOU.
(1) Do the static leak check as follows:
WARNING
MAKE SURE YOU PUSH THE PUSH-TO-VENT VALVE. FAILURE TO DO
THIS COULD CAUSE HOT OIL TO SPRAY OUT AND CAN CAUSE
INJURY TO PERSONS.
(a) Push the PUSH-TO-VENT VALVE on the IDG to relieve internal IDG pressure.
(b) Use the engine generator pressure test equipment, SPL-8912 as shown in Figure 202.
(c) Set the shutoff valve on the test equipment to the off position.
(d) Set the regulator valve on the test equipment to the off position.
(e) Remove the cover from the IDG pressure fill fitting.
(f) Connect the hose adapter on the test equipment to the IDG pressure fill fitting.
(g) Connect the other end of the test equipment to a regulated, dry filtered 0 to 150 psig dry
filtered regulated air source, STD-3940 or a regulated nitrogen source.
CAUTION
DO NOT APPLY MORE THAN 30 PSI TO THE IDG. TOO MUCH
PRESSURE CAN CAUSE DAMAGE TO THE IDG.
(h) Turn the shutoff valve to the on position and adjust the regulator valve to 25 psi.
(i) Turn the shutoff valve to the off position.
NOTE: The pressure will decrease a small quantity, then the pressure gage should
become stable.
(j) If the pressure gage continues to decrease, do these steps:
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
24-11-00
Page 205
D633A101-ILF Oct 15/2018
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
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