GROUND WING THERMAL ANTI-ICING SOLENOID VALVE - ADJUSTMENT/TEST
1. General
A. This procedure contains scheduled maintenance task data.
B. This procedure has a task to test the Ground Wing TAI Solenoid Valve.
TASK 30-11-12-710-801
2. Ground Wing Thermal Anti-Icing (TAI) Solenoid Valve Test
(Figure 501)
A. General
(1) This test checks for the proper operation of the ground wing thermal anti-icing (TAI) solenoid
valves.
B. References
Reference Title
24-22-00-860-813 Supply External Power (P/B 201)
24-22-00-860-814 Remove External Power (P/B 201)
32-09-00-840-801 Prepare to Put the Airplane in the Air Mode (P/B 201)
32-09-00-860-801 Put the Airplane in the Air Mode (P/B 201)
32-09-00-860-802 Return the Airplane to the Ground Mode (P/B 201)
36-00-00-860-805 Supply Pressure Upstream of the PRSOV (P/B 201)
36-00-00-860-806 Remove Pressure from the Pneumatic System (P/B 201)
78-31-00-010-801-F00 Open the Thrust Reverser (Selection) (P/B 201)
78-31-00-010-804-F00 Close the Thrust Reverser (Selection) (P/B 201)
C. Tools/Equipment
Reference Description
STD-1115
Source - Nitrogen, 0-100 PSIG
STD-1198
Regulator - Pressure, 0 to 100 PSI with Pressure Gauge, 3/8 Inch ID
Connections
D. Location Zones
Zone Area
510 Subzone - Left Wing: Leading Edge, Fwd of Front Spar, Inbd of Strut and Nacelle
Gap Cover Area
520 Subzone - Left Wing: Leading Edge, Fwd of Front Spar, Outboard of Strut and
Nacelle Gap Cover Area
610 Subzone - Right Wing: Leading Edge, Forward of Front Spar, Inboard of Nacelle
Strut, Including Gap Cover Area
620 Subzone - Right Wing: Leading Edge, Forward of Front Spar, Outboard of Nacelle
Strut
E. Prepare for the Procedure
SUBTASK 30-11-12-860-003
(1) Do this task: Supply External Power, TASK 24-22-00-860-813.
SUBTASK 30-11-12-860-004
(2) Make sure each engine start lever is in the CUTOFF position.
(a) Install a DO-NOT-OPERATE tag on the each engine start lever.
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
30-11-12
Page 501
D633A101-ILF Jun 15/2015
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
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