5
EATON Char-Lynn
VIS 45 Series Bearingless Motors Parts and Repair Manual C-MOLO-TM006-E March 2008
VIS Bearingless
Motors -
45 Series
Reassembly
Plug/O-ring
Rel
i
ef V
a
lve
Dash Pot
Plug/O-ring
Spring
Poppet
Shuttle Piston
Plug/O-ring
Shuttle V
a
lve
Shim
Spring
Relief Valve
Shuttle Valve
Plug/O-ring
Spring
Shim
Poppet
Plug/O-ring
Dash Pot
Spring
Poppet
Shuttle Piston
Poppet
Spring
Dash Pot
Plug
O-ring
Reassembly
Note: Always use new seals when reassembling hydraulic motors.
Refer to parts list for seal kit number and replacement parts.
Important: During reassembly, lubricate the new seals with
a petroleum jelly such as Vaseline
®
. Also lubricate machined sur-
faces with clean hydraulic fluid.
6.
Install one poppet, spring and dash pot into shuttle valve
bore from valve plate side of end cap.
7.
Install non-threaded plug with o-ring into end cap shuttle
valve bore. O-ring and plug are to be lightly coated with
petroleum jelly to ease assembly and plug should be
inserted flush with end cap mounting surface.
8.
Install shuttle piston from opposite end of shuttle valve
cavity.
9.
Install one shuttle valve poppet, spring and dash pot
onto piston.
10.
Install one shuttle valve threaded internal hex plug with
o-ring. Shuttle plug threads may have light coat of oil or
preservative. Torque plug to 37-45 Nm [324-396 lb-in].
11.
For a motor with low pressure relief valve, install poppet,
shims, spring and plug. Plug threads may have light coat
of oil or preservative. Torque plug to 18-22 Nm [162-198
lb-in].
12.
For a motor without low pressure relief valve, install plug
with o-ring and torque plug to 18-22 Nm [162-198 lb-in].
Figure 2
