22
MARA PIGGYBACK SERVICE MANUAL
Using an O-ring pick, remove
the white piston ring, and the
O-ring underneath. Install a
new O-ring (PN 101-1810).
Install a new piston glide ring
(PN 129-30020).
8
9
shaft and air piston assembly
Reinstall shim stack below the
piston by gently sliding the
tool into the main shaft. Be
careful to maintain the correct
sequence of components.
Remove the piston and stack
above the piston for further
disassembly.
7
Replace the top-out bumper
O-ring (100-013) on the main
shaft that will sit on the main
piston.