PS Magazine - TB 43-PS-634
PS, The Preventative Maintenance Monthly
ISSUE 634
SEPTEMBER 2005
PS 634
SEP 05
39
All
Aircraft…
Cleaning TB
Revised
I
n PS 620, we gave you cleaning instructions for all airframes based on info from
TB 1-1500-200-20-31 (16 Sep 03),
Aircraft Desert Operations Cleaning Require-
ment.
But the TB has been revised, and to stay current on desert operations cleaning,
there are some changes you need to know.
In the revised TB 1-1500-200-20-31 (10 Aug 04), the aircraft cleaning compounds
listed in the Bulk and Consumables Materials list, NSNs 6850-01-235-0872 and
6850-01-426-6682, replace the compound listed in the old TB.
Also, the TB makes it clear that the green pads, NSN 7920-00-753-5242, listed in
the general supply catalog should not be used for cleaning aircraft.
The TB also explains which abrasives are safe to use. Abrasive paper with carbide
will cause corrosion on aluminum components. So use only the approved aluminum
oxide abrasives when cleaning your bird.
‘Course, get the entire skinny from the TB. If you don’t have a copy of the current
edition,
call AMCOM at
DSN 897-2117, or (256) 313-2117
.
AH-64D…
Nose Gearbox Cap Position
M
echanics, it’s important how your AH-64’s nose gearbox filler cap is positioned.
Make sure the cap is turned to the aft and upward position to protect against
strikes on the tab from birds or branches.
If the filler cap is in the forward, downward position, strikes can cause the cap to
open and let gearbox oil spill out. At the very least, you’ll have a mess to clean up.
In flight, you may get a high oil temperature alert on the multi-purpose display
(MPD) panel.
Check your bird’s nose gearbox filler caps for the right position at the next
pre-flight inspection.
Install cap
in
this
position…
…
not
in this
position
ohh!
you
didn’t
remember to put the
nose gearbox filler
cap in the upward
position!
now you see what
happens when its
in the
downward
position.
There’s
changes
in
here! make sure you have
the
latest edition!
pay
attention
to the new
date on the
cover.
..
read it
to get
the
latest
info!
634.38-39(C).qxd
7/25/05
5:41 PM
Page 1
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PS 634
SEP 05
38
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