MD Helicopters 369-500, Инструкция по техническому обслуживанию

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CSP-HMI-3
MD Helicopters, Inc
.
MAINTENANCE MANUAL
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96-45-00
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Revision 11
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Neither this document nor any part hereof may be reproduced or transferred to
other documents or used or disclosed to others for manufacturing or any other
purpose except as specifically authorized in writing by MD Helicopters, Inc.
Copyright
©
1999 − 2016 by MD Helicopters, Inc.
SEARCHLIGHT
INITIAL INSTALLATION
1. Searchlight Initial Installation
Procedures in this section may be performed at
the operator's discretion. These instructions
provide for the installation of the manually
operated searchlight kit and include modifica­
tions to the right side pilot's floor compart­
ment, floor and structure.
A. Preparation for Installation
Preparation for installation of the searchlight
assembly includes the following:
(1). Check all electrical switches for OFF
position and ensure that BATTERY-
OFF-EXT PWR (master) switch is at
OFF.
(2). Identify all components including
attaching hardware, to be removed for
access to work areas. Protect compo­
nents from damage and foreign matter
until reinstalled.
B. Helicopter Equipment Removal
Prior to installing the searchlight, a limited
number of items must be removed from the
helicopter to accommodate searchlight
installation. Refer to CSP-HMI-2 and perform
the following:
(1). Remove seat from right side of crew
compartment (Ref. Sec. 25-00-00).
(2). Remove copilot's cyclic stick, if installed
(Ref. Sec. 67-00-00).
(3). Remove floor access door and attached
carpeting from pilot's right side floor
compartment.
(4). Remove stowage box from pilot's right
side floor compartment, if installed
(Ref. Sec. 25-40-00).
C. Helicopter Modification
(Ref. Figure 901) Modification of the helicopter
consists of providing an access port for the
searchlight assembly through the lower ship
skin in the pilot's right side floor compartment
as follows:
(1). Locate longitudinal support in sub­
structure of pilot's floor compartment at
BL 13.00 RH, between the aft bulkhead
at Cant. Sta. 64.365 and the floor
compartment frame at Sta. 50.50.
Remove rivets from support using drill
motor and appropriate drill bit, and
remove support.
(2). Locate and mark hole center for cutout
in ship skin. Center of cutout is located
at BL 12.75 RH and Sta. 52.36, 1.86
inches (4.724 cm) aft of floor compart­
ment frame).
(3). Using chassis punch or equivalent, cut
2.50 inch (6.35 cm) hole in ship skin as
shown.
D. Searchlight Installation
Installation of the searchlight includes
procedures for installing the searchlight upper
and lower supports on the right side of the
pilot's floor compartment, caution light and
circuit breakers on the instrument panel, the
searchlight assembly and associated electrical
wiring, and the access cover on the right side
pilot's floor compartment. The general notes
that apply to the subsequent installation
procedures are as follows:
Consumable Materials
(Ref. Section 91 − 00 − 00)
Item Nomenclature
CM318 Primer
NOTE:
D
Use Cleco clamps and fasteners as re­
quired to facilitate rivet installation, and
install rivets with wet primer (CM318).
D
Rivets are equally spaced and are normal­
ly positioned twice the diameter of the riv­
et shank from the outside edge of the ma­
terial, edge of joggle, or flange radius.
D
When providing ground or electrical com­
ponents. clean surface structure to bare
metal.
D
Do not tighten electrical clamps or secure
electrical wiring to existing harnesses un­
til all electrical wiring is installed.