INSPECT FIRE DETECTION SENSING ELEMENT

TM 55-1520-240-23-10 12-11 INSPECT FIRE DETECTION SENSING ELEMENT 12-11 INITIAL SETUP Applicable Configurations: All Tools: Technical Inspection Tool Kit, NSN 5180-00-323-5114 Materials: None Personnel Required: Inspector Equipment Condition: Battery Disconnected (Task 1-39) Electrical Power Off Engine Work Platform Open (Task 2-2) Engine Access Cover Open (Task 4-49) References: TM 1-1500-204-23 NOTE Procedure is same to inspect fire detection sensing element on No. 1 or No. 2 engine. No. 1 engine is shown here. 1. Replace fire detector element only if test or alarm circuit shows malfunction. Do not allow element to touch or chafe on engine or engine cover. Element can be damaged by chafing. A damaged element can cause a false fire indication or an inoperative fire detection system resulting in equipment damage and injury to personnel. 2. Element (1) shall not touch engine (2) or cover (3). FOLLOW-ON MAINTENANCE: Close engine access cover (Task 4-50). Close engine work platform (Task 2-2). END OF TASK 12-32