Page text (OCR transcript)
AT-1 14
A340E(Others) AUTOMATIC TRANSMISSION - COMPONENT PARTS INSTALLATION
16. INSTALL SECOND COAST BRAKE COVER, PISTON
ASSEMBLY AND SPRING
(a) Coat the 2 new O-rings with ATF and install them to the
cover.
(b) Install the spring, piston assembly and cover to the case.
AT5086
SST
(c) Using SST, install the snap ring.
SST 09350-30020 (09350-07060)
AT5127
17. CHECK PISTON ROD STROKE OF SECOND COAST
BRAKE
(a) Place a mark on the second coast brake piston rod.
Mark
AT5216
SST
(b) Using SST, measure the stroke while applying and releas-
ing compressed air (392-785 kPa, 4-8 kgf/cm2, 57-114
psi).
SST 09240-00020
Piston rod stroke:
1.5 - 3.0 mm (0.059 - 0.118 in.)
If the stroke is more than specified, replace the piston rod.
Piston rod length:
71.4 mm (2.811 in.)
72.9 mm (2.870 in.)
If it is still more than standard value, replace the brake
band with a new one.
AT5217
