AT-36 A340E(Others) AUTOMATIC TRANSMISSION - COMPONENT PARTS REMOVAL AT5212 40. CHECK PACK CLEARANCE OF FIRST AND REVERSE BRAKE Using a feeler gauge, measure the clearance between the plate and second brake drum. Clearance: 0.60-1.12 mm (0.0236-0.0441 in.) If the values are non-standard, inspect the discs. AT5279 41. REMOVE SECOND BRAKE PISTON SLEEVE AT5460 42. REMOVE REAR PLANETARY GEAR WITH SECOND BRAKE DRUM, FIRST AND REVERSE BRAKE PACK AND OUTPUT SHAFT (a) Using SST and screwdriver, remove the snap ring. SST 09350-30020 (09350-07060) SST AT5158 (b) Remove the rear planetary gear, second brake drum, first and reverse brake pack and output shaft as an assembly. AT5132 (c) Remove the assembled thrust bearing and race from the case.