PS Magazine - TB 43-PS-498
PS, The Preventative Maintenance Monthly
ISSUE 498
MAY 1994
M109-Series SP HowItER .± ²
f1te L1te
F4
4
warped oR loOse spRing On the commandeR's cupOla hatch latch can gIve you a
b±g headache. EspeciaLLy ±f the haTch FaLLs on yOuR head²
³ar beTTeR that you use youR head tO appLy a quick
fx
to ´he latch ThaTµLL hOLd The
haTch Open¶
Here's what to do:
•
UsIng FlaT washers,
N³N 53´µ¶µµ¶
µ8µ·6µµ4,
shim The space between the
brackets that mount the LaTch and pIn sO
theRe·s on¸y abOuT a 5/S-¹n gapº MoRe
space Than thaT Le´s the LaTch mOve TOo
»reeLy and can keep the hatch FrOm
LOckIng right¼
•
Add sLeeve spaceR½,
N³N 53¸5¶µµ¶
¹3µº¹77µ,
undeR The spRing On boTh s¾des
O» the bRackets¿ YOu may need a cOupLe
oF FLaT washeRs TO hOLd the spaceRs In
pÀace¿ Áhe spacers keep The pÂn »rOm
LOsing iTs shapeà Ähen the spring can't
move toO »reeLy¼
I
Add
WAS±ERS
Ã
±²
i-±²
Ã
±
.
²
n
d
SpAcERS 1-³´µ¶·
p» ¼½¾
BEnT pin mE¸NS
¹pºing »ill
nOT
¹TOp ±¸Tc¼
F¿
f¸llINg
maY½¼
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