TM 1-1520-238-23
10-434
Change 3
10.104.
NO. 1 ENGINE FIREWALL BREAKAWAY VALVE REMOVAL/INSTALLATION
10.104.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
10.104.2. Initial Setup
Tools:
Aircraft mechanic’s tool kit (item 376, App H)
Light duty laboratory apron (item 27, App H)
Chemical protective gloves (item 154, App H)
Adjustable air filtering respirator (item 262, App H)
Materials/Parts:
Gasket (figure D-25, App D)
Petrolatum (item 138, App F)
Personnel Required:
67R
Attack Helicopter Repairer
67R3F
Attack Helicopter Repairer/Technical
Inspector
References:
TM 1-1520-238-T
Equipment Conditions:
Ref
Condition
10.2
Fuel system safety precautions observed
2.2
Access door LN1 opened
10.99
No. 1 engine crossfeed/shutoff valve re-
moved
10.104.3. Removal
a. Remove firewall breakaway valve (1) from No.
1 engine inlet fuel hose (2).
(1) Pull ratchet sleeve connector (3) back to re-
lease locking teeth.
(2) Turn and pull connector (3) from adapter (4).
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M04-314-1
M04-314-2
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