MD Helicopters 369-500, Maintenance Instructions Manual

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CSP-HMI-3
MD Helicopters, Inc
.
MAINTENANCE MANUAL
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Revision 7
95-10-00
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Neither this document nor any part hereof may be reproduced or transferred to
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1999 − 2016 by MD Helicopters, Inc.
(8). Check pitot pressure system for leaks
and repair leaks as necessary.
(9). If optional heated pitot tube is in­
stalled, install heater cover. If not,
install red pitot tube cover.
(10). (Slim-Line instrument panels only)
Reinstall instrument panel fairings and
cover panel.
(11). (L/H command T-Panels only) Reinstall
instrument panel fairings.
5. Static Tubing Replacement (369D/E/FF)
(Ref. Figure 201 for 369D helicopters,
Figure 202 for 369E/FF helicopters)
Consumable Materials
(Ref. Section 91 − 00 − 00)
Item Nomenclature
CM411 Adhesive, epoxy
When performing maintenance
near engine air inlet, comply
with precautions necessary in engine air in­
let area (Ref. Sec. 01-00-00).
(1). Remove instrument panel fairings,
forward right side fairing of engine air
intake and plenum chamber access
door.
(2). Remove tube from single static port in
engine air intake fairing by breaking
bondline.
(3). Remove nylon straps attaching main
tube (Ref. view B) and drain valve, if
installed, to canopy structure.
(4). Remove nylon straps attaching main
pressure tube to air intake fairing
longeron, aft section strut and structure
(Ref. view A, C).
(5). Disconnect aft end of tube from tee
fitting.
(6). Disconnect main pressure tube from
altimeter and cover instrument open­
ing.
(7). Withdraw main pressure tube through
canted bulkhead grommet.
(8). Remove crossover tube from altimeter
and airspeed indicator.
(9). Route replacement main pressure tube
through grommet in canted bulkhead
and locate aft end of tube at static
pressure port tee fitting.
(10). Secure main pressure tube to canopy
structure with nylon straps (Ref. view
B).
(11). Attach main pressure tube to air intake
fairing longeron, aft section strut and
structure (Ref. view A, C).
(12). Secure main pressure tube and drain
valve to canopy structure; then connect
tube to tee on altimeter.
(13). Using adhesive (CM411), bond tube to
static pressure port in engine air intake
fairing. Outer end of tube must be flush
with screen surface. Ensure protective
screen is not blocked.
(14). Connect crossover tube to altimeter and
airspeed indicator.
(15). Check that system tubing and fittings
are secure and airtight.
(16). Reinstall instrument panel fairings, air
intake fairing and plenum chamber
access door.
6. Static Tubing Replacement (500/600N)
(Ref. Figure 203)
Consumable Materials
(Ref. Section 91 − 00 − 00)
Item Nomenclature
CM430 Sealant, solvent resistant
(1). Remove instrument panel fairings.
(2). Remove tube from static ports on
forward canopy side structures.
(3). Remove clamps attaching static tubes
to canopy structure.
(4). Disconnect main static tube from
altimeter and cover instrument open­
ing.
(5). Remove crossover tube from altimeter
and airspeed indicator.
CAUTION