Piper Comanche PA-24 Service Manual page 382

PIPER COMANCHE SERVICE MANUAL
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FIGURE 8-31. REPLACING BRAKE DISC
d.
Slid. th. brak. disc (4) on the wheel ..,d posiaon th. cyliDder hollSing apirut th. disc.
•. Sec:un: the cylinder housins
to
th. torque plat. widl dI. 3
cap
bola ( 15) ..,d
saf.ty.
f. Connect the brake line
to
th. br:ake cylinder housing.
g.
Bleed the brak.
system
as
described in panpph 6-88.
NOTE
Th. fint three or four brak. applications. after brok. relining. should be
moderate
to
allow th. rains in the lining to bum out slowly. Th.
buming out or rains is also dI. determine factor in th. u'scfullif. of the
br:ak. lining Uld if hiJh speed stOpS
are
avoid.d. wh.never possibl.,
br:ak. lining life Uld broke p.rformance will be considerably improv.d.
60$7. RcpW:emCftt Of WMd Brake 0Uc. (C1cveIaad)(Rcier to FiJUrc 6-31.)
Rivet.d Brok. Disc.
a. R.move eiJht rivers attaching br:ake discs ro inner wheel half by chiseling off head. inside drum
and punching them out.
b. Place wheel half .... mbly into boiling water for
5
minutes and remove disc from wheel casting by
usc of
pry
ban.
c. Clean casting thoroughly and apply heavy coat of zinc chrom ... paint in brake disc recess.
d. Place wheel casting into boiling water for a few minutes, remove and insert new replacement brake
disc into the expanded whe.1. Ascc:rrain tht broke disc is properly seated in recess in wheel half.
c. Clamp wheel half and brok. disc assembly in vise and locate eight 3/16 inch drill. dnll through disc
with an 11/601 inch drill. and then «-drill with a 3/16 inch drill.
f. Rivet .... h.e1 half to broke disc with eight .... 1'10125 AD6-7 rive". Set rivet from both end. <a be
certain rivet has properly filled the hole and file rivet heads flush with tire scat and paint.
LANDING GEAR AND BRAKE SYSTEM
ISSUED: a/18m
lK16