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Ampex 350 - Capstan Idler Pressure

Ampex 350
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_l _ pl g_ads aad3usged by a n _n ghg a0p g
. Atach he loo in he ree end of he. in g o s rin g
sale, and ull. (The unable wi3l rotate c0unteclochwis)
mce a eadin0 only when he unble is in sedy moion,
as -!he eoce equid Xo ovecome the 5ic ctio wil1
9 oduce an excessivly hih iniial readin.
, Adjus 31e rewind Moo bra15e for a readin g o a proi
mtely l ounces
. 3ow wind the string on the hub by oain h reel
counteclochvise; pull, nd he - eding. (mhe urnXble
w_ill oe clochise,) The reding should be -proximatel'y
7 ounces.
P
. eea he entire oces on the heu, unble, thi
.ime djuing or a, roximaely 1 ounces when eh tble
is o'ating clockwise nd p, oimtely 7 o4nces coun
clochwis e.
YO^: er long usae, Xe gahited-fel linins o he bake5
will begin to gl2e, and e bahes -may enhibi some endency to grab,
This condiion may be elieved by en-'00dic edjusXmen o bhe ten
sions, b evenully the brhe lining ill have Xo be reconditioed
or eplaced, as aecibd in he ecion . 6. .
N 5, 3 CATA IDL R,SU
The astan Idle is forced against he pstn by he cion oe
h'' ' -sn olenoid (T50l). Ile pessue is su lied b y the '' 5tn
Ilgr essure r'n ' l o h u o s n
molenoìd spade bol, (ee igure .) ile o no , e5 sure is su lied
bY he s-prin i the a, stanC olenod is noX boomed. Ti htenin g he
loch nuX nreases idle n, gssure unil a o i n i e a c h e d w h g e h e
solenoid wìll not botom, A his oin, i d e r p g 5 s u r e d o p s o a v a l e
which i inadequae to pemi he astan Xo dive Xe ae, and sli a ge
will ocu unle5s he nu is bched o, xcessive pessue should also
be - voided a5 i how5 n nnecgss y lo a d o n t h g u p e s l e e v e b e a i n
o he ive Moeo The ecommgnded ocedure o- J jusin g idl e
pressure is as ol,lows:
, old he sfey swich on by aing heTaheupension
Ar-m in he swich-on , osition wih a iece o s. coc e .o
mshing a3e,
35O - r3//5 d,-l3

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