PS Magazine - TB 43-PS-604
PS, The Preventative Maintenance Monthly
ISSUE 604
MARCH 2003
PS 604
MAR 03
39
UH-60/AH-64…
PS 604
MAR 03
38
UH-60A/L…
M
echanics, if the oil in your bird’s engine sight gauge looks milky or shows any
discoloration, it could be mixed oil and not oil/water contamination.
When you service your oil system, add
the same brand and type oil that’s already
in the engine. If the oil you have on hand
is a different brand or another specifica-
tion than what’s already in the aircraft,
drain the old oil from the oil tank like it
says in Para 1-114 of TM 1-2840-248-23.
Mixing different brands of oils creates
a potential for additive interaction. That
could cause oil foaming. If oil foams, the
engine can choke, the sump can flood
and oil can be pushed out.
It’s also bad for you to use open leftover cans of oil. Dirt in oil can cause engine
oil contamination.
Table 1-4 of TM 1-2840-248-23 lists the primary and alternate lubricating oil
specifications authorized for use. Also make a note that oil specification MIL-L-
23699 has been changed to MIL-PFR-23699.
So remember, a mixture of ingredients is good for making a cake, but when it
comes to mixing different brands of approved engine oils, it’s not a good mix for
your engines.
Always use same
brand of oil and
maintain proper
level
I don’t
mix well
with you!
together we do
a
‘bang up’
job
on the engine!
you don’t have to
tell me! the last
time you two got
together, I had a
bad reaction!
that won’t
happen
this
time. you’re
gonna get
the same oil
already in
your engines.
we need to
order more
parts to get
this phase
done.
I’ll go check to
see what we have
in bench stock.
great!
that sure
beats
huntin’ for
nuts and
bolts!
It’ll have
all the
parts you
need to get
the job
done.
M
echanics, are you trying to scrounge up bench stock like nuts, bolts, and wash-
ers to complete the 500-hour phase maintenance on your Black Hawk?
Well, the hunt is over. No more waiting for parts on order. No more ordering parts
piecemeal while NMC aircraft sit in the hangar waiting for a part or a component to
be shipped.
You can complete that phase maintenance
on time
now that DLA offers a 500-
hour phase maintenance kit. NSN 5330-01-478-6529 brings you 139 replacement
line items. Its contents are broken down into six aircraft sections with all items iden-
tified by part number, and NSN.
If you need a copy of the content list for the kit, contact your local DLA repre-
sentative, or Ann Oglesby at DLA AMCOM, DSN 788-6403, (256) 842-6403 or e-
mail
ann.oglesby@redstone.army.mil
. You can also request a copy of the content list
from George McFall at the Defense Supply Center Philadelphia, DSN 444-8159,
(215) 737-8159, or e-mailing
gmcfall@dscp.dla.mil
. Provide your name and unit
address in the request.
good
news!
you
can order
a phase kit
from dla.
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