PS Magazine - TB 43-PS-483
PS, The Preventative Maintenance Monthly
ISSUE 483
FEBRUARY 1993
Dear Windy,
The lower hinge pin (Item 18 of F±g
4
²n
T
55· 1520-
234³23P-1) on the veRical fin drlvesha´ access
cover sLides down and damages the 42° gearµ
box access cover upper support bracket.
To stop this¶ we ¸¹ed haLf of the last
hinge pin retainer hole with epoxyº
NSN
»¼944½7292. A´er the
epoxy hardens¾ ²t stops the pin
from slipp¿ng through.
Jim Ga/chick
GreensburgÀ
OH
Shelf Life of O·Rings
0
-
rings used in aiRcRaft mainTenance have an indefiniTe shelf lifE, Like iT
says in PaRa
2-180
of
tM
55±1500±204±25/1.
BuT always InspecT new
0-Rings beFO±e yoU insTall ²hem. ³f you f´nd one THaT's cu², b±iTtle oR flawed
in any wayµ Th±ow i² ouT¶
Inspection M±rror
G±
a broKen inspeCtion mir±o±,
nsn
5120±²³618-6902,
in you± Gene±al
ai±c±afT mecHanic·s Too¸ kiT? You can ±e¹lace THe Glass wiTh
nsn
5120±00±
363-3´µ4
FOR only
28
cen²sº
A
new mirRo» wi¼½ cos² you
$3¶22.
FEB·¸
¸¹
Back to TopBack to Top
