SERVICE MANUALEaton Brake Group (Fig. 7)Remove brake shoes as follows:1.Remove dust shields.2.With a bar, pry each shoe one at a time awayfrom the cam and lift out the rollers and pins.3.With the rollers removed, the shoe return springwill be loose and can be slipped off the linksbetween the shoe webs.4.Let lower shoe hang down.5.Lift off the lower shoe by unhooking it from thetwo retaining springs.6.Remove the two retaining springs and uppershoe.7.Mark position of slack adjuster in relation tocamshaft also noting the position of adjustingscrew. Adjusting screw may be either facingtoward or away from brake chamber mountingsurface.8.Disconnect clevis pin connecting brake chamberpush rod to slack adjuster.9.Remove lock ring retaining slack adjuster to endof camshaft. Note location of spacer washersfor reassembly purposes.10.Remove slack adjuster from camshaft.11.Push or tap camshaft from spider and camshaftbracket.Fig. 8 Typical Brake Group with Removable Anchor Pins1Brake Chamber Bracket6Closed Anchor Pin Hole11Link2Removable Anchor Pin7Anchor Pin Retainer12Roller3Seal Retainer8Lining (Blocks)13Camshaft Assembly4Lock Bolt9Camshaft Bracket14Return Spring5Lock Wire10Spider15ShoeCTS-4080W - Page 8
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