15EATON Series 1 Heavy Duty Hydrostatic Fixed Displacement Motors Parts and Repair E-MOPI-TS002-E September 2004
a. Using a pair of retaining ring
pliers, remove retaining ring.
b. Insert 1/4x20 bolt into the
threaded hold of the stationary
seal assembly to pull assem-
bly from mounting flange.
c. Using rotating seal puller (see
special tools), grip outside
diameter of bronze rotating
seal. Remove seal from output
drive shaft.
d. O-ring may remain in rotating
seal recess. If not found in
recess, remove O-ring from
output drive shaft.
Disassembly
Shaft Seal
1. Remove the shaft seal following the procedure for your type of seal.
There are two types of shaft seals. Depending on the part number of your motor, either type of seal may have
been used. A unit MUST be serviced with the same type of seal as was originally installed. The seals are not
interchangeable.
Important: Clean surface area around stationary seal assembly.
Motors Having Face Seal
(xx31-xxx Part Number
Configuration)
a. Using a pair of retaining ring
pliers, remove retaining ring.
b. Use a punch and hammer to
punch a hole in the shaft seal.
c. Install a 3-inch sheet metal
screw with the point blunted
into the punched hole just far
enough to pull the shaft seal
out of its pocket.
d. Carefully insert the blade of a
flat screw driver behind the
seal and pry out the seal tak-
ing care not to damage the
output drive shaft.
Motors Having Lip Seal
(xx33-xxx Part Number
Configuration)
STEP A STEP B
STEP DSTEP C
Note: Thoroughly clean the
exterior of the unit before dis
assembly. Make sure all open
ports are sealed.
To Next Page
Loading...
Need help?
General
