Component And Parts Cleaning - Kirby Morgan 77 Operation And Maintenance Manual

Kirby Morgan 77
®

6.2.1 Component and Parts Cleaning

The helmet and components should only be cleaned
using a mild solution of dish washing soap such as
JOY ™ or Dawn ™ hand dish washing soap.
Parts that have corrosion should be washed and
scrubbed with a nylon bristle brush and then soaked
in a solution of 50% white vinegar and water for 30-
60 minutes followed by a light brushing and a good
fresh water rinse. Helmet liners and rubber compo-
nents should be cleaned using a mild soapy solution
followed by a good rinsing and air-dried.
DO NOT use hair dryers or high heat to dry the
rubber or fabric components, high temperatures will
severely reduce their serviceability. To clean parts
heavily encrusted with salt we recommend a dilute
solution of white vinegar and a toothbrush.
6.2.2 Component and Parts Lubrication
All helmets are lubricated at KMDSI with Christo-
Lube . Helmets used for air diving or diving or with
®
oxygen mixtures containing less than 50 % oxygen
can be lubricated with food grade silicone such as
Dow-Corning 111 or equivalent.
®
Do not use aerosol spray or lubricants. Many aero-
sol propellants will damage plastic. Avoid lubricant
contact with plastic parts.
WARNING
All parts on Kirby Morgan helmets and
masks must be adjusted to their proper
torque specifications. See Appendix 1 for
a complete listing of torque specifications
for each part. Failure to adjust parts to
the recommended specifications could
lead to helmet failure and accidents. This
could be fatal.
WARNING
polycarbonate face port and cause it to
shatter upon impact from any strong blow.
If the face port fails underwater the helmet
will flood and drowning may result.
62
Never use any aerosol
propelled sprays near
the face port of Kirby
Morgan helmets. The
propellent used in
these aerosols can
invisibly damage the
© ⅯⅯⅩIⅡ Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 130318003
OTE: All parts on the helmet that require lubrication
N
must be lubricated sparingly with the appropriate
lubricant.
Silicone grease is not recommended for helmets used
with oxygen. (Avoid mixing lubricants to preclude
incompatibility).
6.2.3 Teflon Tape
®
All pipe thread fittings used on our helmets, masks
and components require sealing with Teflon
DO NOT USE LIQUID SEALANT. When in-
stalling Teflon tape on pipe threads, apply the tape
®
starting two threads back from the end of the fitting.
Apply the tape in a clockwise direction under ten-
sion. 1 / wraps is all that is needed. Applying more
1
2
than 1 / wraps of tape is not recommended. The use
1
2
of more than 1 / wraps could cause excess Teflon
1
2
tape to travel into the breathing system.
WARNING
Do not allow any excess Teflon
to cover the end of the pipe thread
fittings. Loose pieces of Teflon
interfere with the performance of helmet
components and may block the diver's air
supply. This could lead to death through
suffocation.
WARNING
Use only thin Teflon
to threads.
6.2.4 RTV Sealant
Certain components used in KMDSI
helmets and masks use RTV adhesive
/ sealant to provide bonding and
sealing. KMDSI recommends Dow-
Corning RTV 732 multi purpose
®
sealant. When sealant is applied the
user must use care to insure excess
sealant is wiped clean so as not to
interfere with other components.
Sealant should be allowed to cure for
24 hours before equipment is used.
6.2.5 Thread Locker
KMDSI recommends Loctite
or equivalent as the type of thread
locking compound that should be
used on most components that call
tape.
®
tape
®
tape can
®
tape to avoid damage
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