MD Helicopters MD Explorer - (Heat;Defog); Overheat Bleed Air Leak Detection Cable (Heat;Defog); Overheat Bleed Air Leak Detection Cable Installation; Overheat, Bleed Air Leak Detection Cable Removal

CSP−900RMM−2 MD Helicopters, Inc.
Rotorcraft Maintenance Manual
Page 202
Revision 4
26-10-10
2. Overheat Bleed Air Leak Detection Cable
(Heat/Defog)
(Ref. Figure 201)
Consumable Materials
(Ref. CSP−SPM)
Item Nomenclature
C701 Lockwire
A. Overheat, Bleed Air Leak Detection Cable
Removal
(1). Remove right crew seat from cockpit
(Ref. Section 25-10-00).
(2). Remove cabin seats from cabin
compartment if applicable (Ref. Section
25-20-00).
(3). Remove interior trim and insulation
panels from aft right side FS 230.5
bulkhead (Ref. Section 25-50-00).
(4). Remove carpet from cabin floor panels,
if applicable (Ref. Section 25-20-00).
(5). Remove cockpit access panels AR129
and AR138 (Ref. Section 06-00-00).
(6). Remove cabin floor panels; A160,
AR165, AL165, A170, and A217(Ref.
Section 06-00-00).
(7). Remove baggage floor panels A235 and
AR250 (Ref. Section 06-00-00).
(8). Detach electrical connector P1 (1) from
forward bleed air leak detection cable
(5) end connection.
(9). Detach electrical connector P2 (2) from
aft cable end connection.
(10). Cut and discard lockwire and remove
mounting nuts (6) from cable ends.
Remove cable ends from bulkheads.
(11). Cut and discard tie down straps (8)
securing cable to bleed air line.
(12). Remove and retain rubber grommets
(7) from fire detection cable.
(13). Carefully unwrap fire detection cable
from bleed air line and remove cable.
B. Overheat Bleed Air Leak Detection Cable
Installation
Do not exceed minimum bend
radius 0.750 inch (19.05 mm).
(1). Install detection cable from baggage
compartment through FS 230.5
bulkhead and holes in each structure to
FS 155.5 bulkhead.
NOTE: Cable does not need to be in contact
with bleed air line.
(2). Wrap detection cable 3 turns around
horizontal length of bleed air line.
(3). Wrap cable 31/2 turns around vertical
length of bleed air line.
(4). Install mounting nuts on cable ends
and torque nuts. Safety nuts with
lockwire (C701).
(5). Install rubber grommets along cable.
Secure cable to bleed air line with
tiedown straps at grommets.
(6). Attach electrical connector P1 to
forward cable end connection. Torque
connector. and safety with lockwire
(C701).
(7). Attach electrical connector P2 to aft
cable end connection. Torque connector
and safety with lockwire (C701).
(8). Install baggage compartment floor
panels AR250 and A235 (Ref. Section
06-00-00).
(9). Install cabin floor panels A160, AR165,
AL165, A170, and A217 (Ref. Section
06-00-00).
(10). Install cockpit floor panels AR129 and
AR138 (Ref. Section 06-00-00).
(11). Install carpet in cabin, if applicable (Ref
Section 25-20-00).
(12). Install insulation and interior trim
panels on aft right side FS 230.5
bulkhead (Ref. Section 25-50-00).
(13). Install cabin seats in cabin compart
ment, if applicable (Ref. Section
25-10-00).
(14). Install right crew seat in cockpit (Ref.
Section 25-10-00).
CAUTION