Service Manual

HY13-1512-006-M1/USA
Torqmotor™ Service Procedure
TC, TS, TB, TE, TJ, TF, TG, TH and TL Series
Parker Hannifi n Corporation
Hydraulic Pump/Motor Division
Greeneville, TN 37745 US
39
NOTE NOTE: Bearing mandrel must be pressed
against the lettered end of bearing shell.
Take care that the housing bore is square
with the press base and the bearing/
bushing is not cocked when pressing a
bearing/bushing into the housing.
CAUTION CAUTION: If the bearing mandrel speci-
ed in the “Tools and Materials Required
for Servicing” section is not available and
alternate methods are used to press in
bearing/bushing (13) and (19) the bear-
ing/bushing depths specifi ed must be
achieved to insure adequate bearing
support and correct relationship to adja-
cent components when assembled. SEE
FIGURE 35.
CAUTION CAUTION: Because the bearing/bush-
ings (13) and (19) have a press fi t into the
housing they must be discarded when
removed. They must not be reused.
Press in inner
bearing/bushing
2. The Small Frame Series TC, TB, TS and TE
Torqmotor™ inner housing bearing/bushing
(13) can now be pressed into its counter-
bore in housing (18) fl ush to .03 inch (.76
mm) below the housing wear plate contact
face. Use the opposite end of the bearing
mandrel that was used to press in the outer
bearing/bushing (19). Reference fi gure 1,
“Tools and Materials Required for Servicing”
section. SEE FIGURE 36.
The Large Frame Series TF, TL, TG & TJ
Torqmotor™ housing (18) requires that you
assemble a new backup washer (25) &
backup ring (17), new seal (16), with the lip
facing to the inside of Torqmotor (see fi gure
69A), new thrust washer (14), new thrust
bearing (15) and a new second thrust wash-
er (14) in that order before pressing in the
inner housing bearing (13). SEE FIGURE 37
& 38. When these components are in place,
press new bearing (13) into the housing (18)
to a depth of .105/.125 inches (2.67/3.18),
.03 inches max for TJ (.76) below the hous-
ing wear plate contact face. Use the op-
posite end of the bearing mandrel used to
press in outer bearing (19). Reference fi gure
2, in the “Tools and Materials Required for
Servicing” section. SEE FIGURE 39.
Figure 35
Figure 36
Figure 37
Figure 38
Torqmotor™ Assembly