BIRD MARK 7 - SECTION 6 DISASSEMBLY AND REASSEMBLY INSTRUCTIONS

DISASSEMBLY
AND.
REASSEMBLY
INSTRUCTIONS
SECTION
6:
SECTION G
DISASSEMIBLY AND REASSEMBLY INSTRUCTIONS
The Bird respirators have been designed to pro-
vide the maximum amount of utilization with a
minimum of maintenance. These instructions will
provide the information necessary to disassemble
and reassemble the Bird MARK 7 or MARK 7A
Respirator.
WARNING:
THE BIRD. MARK 7 ANDIOR 7A SHOULD BE
SERVICEDICALIBRATED BY A BIRD PRODUCTS
CORPORATION. TRAINED HOSPITALIDEALER
SERVIGE TECHNICIAN.
D
To properly service the Bird respirators, a service
tool kit, P/N 7723, is required.
The following special tools are included in P/N
7723 and are required for calibration and overhaul:
PART # DESCRIPTION
P/N 0031 Ceramic Bushing Tool
P/N 0042 Lubewick
PN 0631 Silicone-Base Lubricant
P/N 0924 Styiet
P/N 0916 | Mainstream Stopper (22mm)
PIN 5497 Sensitivity Adjustment Tool
P/N 6711 Tube Removal Tool
P/N 6754 Calibration Regulator
PIN 6855 — Orificed Adapter
In addition, the following commercially available
tools are required:
5/6" Nut Driver
%s" Allen Wrench
362" Allen Wrench
% Open End Wrench
78" Open End Wrench
Truarc Pliers #1
Thin Bladed Screwdriver
¥2"-7he" Open End Wrench
Va 58" Open End Wrench
Diagonal Cutting Pliers
Needlenose Pliers
4. DISASSEMBLY
1.0 AMBIENT COMPARTMENT REMOVAL
1.1 Remove (2) socket screws and washers
using %e” allen wrench and carefully pull
Ambient Compartment off until the hand timing
rod clears the magnet (Fig. 22).
NOTE: To facilitate removal of Ambient Compartment,
it will be necessary to dislodge the venturi tube
assembly from the ambient filter inlet port.
FIGURE 22
1.2 Using tube removal tool (P/N 6711), separate
manometer tube #25 from quick disconnect at
the Centerbody.
1.3 To remove manometer from Ambient Com-
pariment, use %8" open end wrench to allow
separation of mounting bracket from manome-
ter, then remove manometer.
1.4 Using а %2" allen wrench, loosen the two (2)
setscrews securing the Sensitivity Radius Arm to
the magnet, then remove the arm.
1.5 Remove the magnet from the Ambient Com-
partment by rotating the assembly in a
COUNTERCLOCKWISE direction.
1.6 Disassemble the Ambient Filter as follows:
= Using a Phillips screwdriver, remove the
screw securing the filter holder to the filter
housing.
m Using your fingers ONLY separate the
remaining components for proper cleaning.
2.0 PRESSURE COMPARTMENT REMOVAL
2.1 Use 546” nut driver to remove inspiratory
power drive line stud and nut seal.
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