PS Magazine - NOVEMBER 1978
PS, The Preventative Maintenance Monthly
ISSUE 312
NOVEMBER 1978
I,
With MX
-
6
707 Matching Unit
·
·
±
P AS IC
and
W
aT
E
R
.
DON't Mi·±
OH, ±0RrY I
DidN'T hAVE t²Me
Fo³ a SUl´µ¶ 5·
.²•
Paint amd water don't mix± but they
·
can team
up To clobber your MX-6707 matching unit.
. ±
²aint does wonders fr bare metal± but ts
murder on yoUr matching uNit's plastic top. ²a³t
eats up plastic± fr sure. So wheth
´
r it's touch-up
or camouFage± watch what you pa³t.
But iµ you do dribble a couple drops on the plas¶
tic± and they drY frget ¸em. CleaNing solvents do
more harm than paint. ¹se only a damp rag fr
cleanup± like the manuals say.
.
ºo high pressure hose± either. Water »s a bum¼
mer. ONce iNside½ the water settles to the bottom
oµ your unit. Corrosion will eventu¾lly put you
out oµ business. Here are some ti¿s to beat
moistUre:
À
Befre yoU joiN the matchiNg Unit base and
case± Grease the gasket.
¹se silicone± ºSº 6850-00-880-
7616. Keep paint oÁ the rubber
gasket± too. Ât'll get brittle± break
up aÃD Let in water.
Watch how you treatÄ that plasÅ
Ærque the mountiNg bolts to no more than 100
lb-iN. More± and you rÇsk crAcking the case.
Èhe risk drops considerable wheN yoU use the
steel reiNfrcing ring that Éts over the plastic
case. Èhe ring Not oNly equalizes the bolts' presÊ
sUre Ën the case± it heÌps shed water.
Íon't have one? Èhe ring Îs ºSº 59Ï5-01-012Ð
5425. Befre you caN iNstall it± tho± you have to
remove the drive-out bushings Ñom the bolÒ
holes which have theÓ.
CareÔl with teNsion on the antenNa when yoU
tie it down. Æo much can pull the matching uNiÕ
apÖrt. Keep ×he antenNa tip about 9 µeet above
the ground. Èhat'll take the pressUre oØ
µ you still have trouble with Óoisture Ù like
Ú
in humid or rainy areas Û drain the base oµteN.
Èhe book says do it at least qUarterlÜ Âµ you Need ÝÞß
to drain more oµten± do it.
orue To No
moR ±AN
1¸¸ Lbs-¹n.
Èhose plugs oN the bottoÓ oµ your matchiNg
unit need àa little care. áeat 'em gentle and
they'll last as long as you do.
Befre yoU hook up your CX-4722/¹ cable± be
sure the Radioâ set is oã.
º
it's not± you rÇsk arcing
aNd bäeå J2 plUg piNs.
æ
çook up tèat big cable érst± too. Èhat'll save
yoêr J2 piNs wëen you attach the CX-1773/ì.
índ± match the CX-îï22 cable's keðway witñ
tñe J2's keÜ Âµ you don't± you can maNgle tñe J2's
òins.
óinallY iµ you waNt toô õÇVe the J2 Óore proöec÷
tion± get it a cap. Cover assembly ºSº 5340-00-
530-5954 does the trick. Ât's in Èø 5985-262-20²
(Íec 76) Under ²ùº SM-B-542117 (Ï0063).
47
=³´µ
!
I
I.
I
i
l
i ±
²
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