PS Magazine - JULY 1980
PS, The Preventative Maintenance Monthly
ISSUE 332
JULY 1980
Safet
First,
Jack!
The next time y
0
ou knucklequsters
pLace a tripod jack under one of your
birds, set the plunger locknuts-for
reaL!
If the locknut is missing or set too
high, the jack will collapse when the
smaLler
plunger
drops
inside
the
Larger one as you open the pressure
release valve.
You get an unexpected loss of lift
and hydrauLic fluid sQuirting out of the
·
top of the jack± The result CaN Be a
daMaged bird and maybe a persona²
iNjury to boot³
´o matter what jack µou're using,
set those locknuts every ti¶e¸ That's
the word in Para
8-100
of T¹
55±
1²00±204±25/1
(Apr
70)
on your
tripod jacks±
37
·
-
±
.
..³ every
time!
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