PS Magazine - MAY 1976
PS, The Preventative Maintenance Monthly
ISSUE 282
MAY 1976
I
i
l
TM-242±
SERIES
1-TON
.,
TRUCK
.±
·
²
CHECK THESE NUTS
(ONE ON EACH PIN)
FOR TIGHTNESS
are tight. If they're loose, torque 'em
dOwn To 10 lb-fT±
4
sLash marks on the head. Use onLy th²s
grade³noth²ng weaker±
´hose pins are part of The Beforeµ
operat²on check, so g²ve 'em a feel
every t²me you go out±
o¶t The jack²ng
screWs Before mo·Nt²¸g the Brake
dr¶m¹ ´He t²ps of The jack²Ng screWs
Were sº²ck²Ng through»from screW¼
²ng them ²N to take The DruM off. ´heN
WHeN yo¶ tigHteNeD The mo¶NT²ng
N¶ts, yo¶ Were f²ght²nG THe jack²Ng
RememBer! ½hen you jack a brake
dr·m off yo¶r ¾56¿ ¿À-ton TrÁck or
¾792 amBulance, t¶rn The 4 jack²ng
screWs back ouTÂr²ght NoW!
And pLay ²T safe»check The jack²NÃ
screWs aga²n When you P·t the drum
Ä
Back on. Åf theyÆre st²ck²ng tÇrough
Just a Fraction of an inCh, the FlaÈge
w²LL crack or breaK wheN you tighten
the mounT²ng nuts±
RuN yo·r f²nger over the jack²ng
screW hoLes± If you can to¶ch The end of
THe screW, back ²T o·T Some more.
Érake Dr·m mo¶NT²Ng nuTs get 55Ê
70 LBËft torq¶eÌ
ɶT WHeN yo¶ T²ghteN tHe jack²ng
screWs, you g²ve Æem oNLy 35Ê40 LbͲn
Torq¶e¹ ÎHaÏs ²Nches, ÐoT pounds±
ÑorgeT thaT "LBsÒfTÓ You see ²n ´¾ 9Ò
2320Ô242Ê20 (A¶g 70)Õ page 2Ê243Õ
para 2Ö¿62f(26).
×o¶ ¶se tHe ²ncH-po·Nd Torq·e
Ø
WreNcH,
NSN
5¿20Ò00Ò853Ò4538Õ ²N
yo·r
No.
¿ ÙoMmoN ÚhoP Eq·²PmeNT±
5
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