PS Magazine - TB 43-PS-441
PS, The Preventative Maintenance Monthly
ISSUE 441
AUGUST 1989
)
ome mechanics are shortchangiNg
the quarterly lubrication service fOr the
MI I±'s equiLibrators because a similar
set of checks and serv²ces are pulLed
every week.
Don³t Fall fOr the trap, though´ Be-
cause the weeklies and quarterLies are
not the same.
The most important service you pull
during the equilibrator quarterly serµ
vice is:
8
¶orget·ing to do this leads to seal
damage and cylinder leaks on the equiliµ
brators¸sometHiNg
your
favorite
crews don'· need when they¹re putting
steel on targetº
¶ollow your »¼
9-2350±304±12
to
the letterº Eyeball ½ote
²3
on Card
26
of the »¼.
AUG 8³
¾f only oNe cy¿iNder is ¿ockedÀ it tries
to Hold up tHe entire spade. The cy¿inµ
der can blow a seal or tHe eye can break
off. THere¹s a buncH of busted spade
cylinders just Because someone locked
only one cylinder befOre moving ou·º
AuG 8³
³
WHen the spade is raisedÁ make sure
the locking handles on both cyliNders
are iN the »¼CK positionº Any other
timeÀ botH should be unlocked Most
howitzer spade cy¿inders are stenciled
·o show »¼CK aNd U½»¼CK. Ãf yours
is notÀ get your mecHaNics ·o stenci¿
them on with 1/2Äin letters.
At U½»¼CKÀ the HaNdle is as fÅr
outÄboard as i·¹lÆ go. »¼CK is
90
deÇ
grees Èom U½»¼CK witH the haÉdle
upright agaiNs· its inboard stopº
At UNLOCK, the locking
,_.±²-"
hand±e is outboard.
If
stencils
are mIssing ²se 1-in leTeRs
½ever lock tHe spade dowNÊ ¾·¹s no·
necessary and wi¿¿ break tHe Æocks
wHen ·he spade is raisedº
Back to TopBack to Top
