PS Magazine - DECEMBER 1984
PS, The Preventative Maintenance Monthly
ISSUE 385
DECEMBER 1984
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Antifreeze and Battery Tester
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The optical antifreeze aNd battery
tester,
±S± 6630-00²105³14´8, lets
you test your rig's antiFeeze protection
and battery electrolyte. But, itµs got to
be accurate!
Hereµs how to c¶eck it:
Take a reading using distilled water,
±S± 6810·00·682²6867. If the reading
is more than 34 °P or less than 30°P,
the tester needs adjusting to 32°P. Take
3 or 4 readings to be sure.
Remove the instruction plate on the
bottom by working a kni¸ under the
edge. Dig
¹
out the clear silicone sealer
over the two outside screws.
±ever touch the middle screw. It
holds the lens in place.
Use a 5/16²in flat blade screwdriver
...
like the one in the ±o. ´ CommoN
shop set .
.. to adjust the screW ºrthest
Fom the eyepiece. Clockwise increases
the
readinG
and
counterclockwise
decreases it.
Make sure the final adjustment to
32 °P is clockwise.
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r
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Mix up a solution of exactly one part
·
Q
o» distilled water And one part anti²
+32°F
adjustment
screw
22
freeze, ±S± 6850²00·18´²7929. Stir
well.
Take sEVeral readings with the anti¼
freeze solution. If the readingµs more
than ³32 °P or less than ²36°½, adjust
DEC 84
to ¾34 °P using the screw closest to the eyepiece. ¿gain, Àake sure the last
adjustment to ²34 °Á is clockwise.
Rinse the testÂr, and recheck with distilled wLter. Repeat the adjustment Ãr
32 °P if neededÄ Then recheck, using the antifreeze solution. Readjust, if needÅ
F²nal adJUsTMents are cLockw²se!
ed, to get the ²34 ° P reading.
Repeat the test uNtil both reaÆings
check out. TheN use a little adhesive,
±S± 8040²00·843²0802, to hold the
screws in place. Replace the instruction
plate.
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W±ndsh±elD Scraper NSN
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ÂÃ
Çeed a wÈndshielÉ scraper? Order ±S± Ê920²00Ë045²2556.
Ìuthority is ÌppenÍix ¿,
CÎÌ Ï0²970.
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