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HY13-1518-M1/USA
Low Speed High Torque, Hydraulic Motors
TK Series
Parker Hannifin Corporation
Hydraulic Pump/Motor Division
Greeneville, TN 37745 USA
Hydraulics
17
Check coupling
shaft for rust
or corrosion
14. Check exposed portion of coupling shaft (14)
to be sure you have removed all signs of rust
and corrosion which might prevent its
withdrawal through the seal and bearing.
Crocus cloth or fine emery paper may be
used. Remove any key (14A), nut (14B),
washer, bolt, or lock washer still attached to
the shaft.
Remove &
inspect
coupling shaft
15. Remove coupling shaft (14), by pushing on
the output end of shaft. SEE FIGURE 14.
Inspect coupling shaft bearing and seal
surfaces for spalling, nicks, grooves, severe
wear or corrosion and discoloration. Inspect
for damaged or worn internal and external
splines or keyway. SEE FIGURE 15. Replace
coupling shaft if any of these conditions
exist.
NOTE
NOTE
Minor shaft wear in seal area is
permissible. If wear exceeds .020 inches
(0.51 mm) diametrically, replace coupling
shaft.
A slight “polish” is permissible in the
shaft bearing areas. Anything more would
require coupling shaft replacement.
Figure 15
Figure 14
Disassembly and Inspection