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
41
Assemble backup
washer & seal
5. On Small Frame, Series TC, TS, TB & TE
Torqmotors™ assemble a new backup ring
(17), new bakcup washer (25) and new seal
(16) with the seal lip facing toward the inside
of Torqmotor™ (see Figure 69B), into their
respective counterbores in housing (18) if
they were not assembled in procedure 2.
Large Frame, Series TF, TG, TJ & TH Torq-
motor™ housing (18) that did not require
replacement of the bearing package will
require that the two “captured” thrust wash-
ers (14) and thrust bearing (15) be unseated
and vertical to the counterbore and the
new backup ring (17), new backup washer
(25), and new seal (16) be worked around
the thrust bearing package and placed into
their respective counterbores. The seal lip
must face out of the seal counterbore and
toward the inside of Torqmotor™ (see fi gure
69A). Be sure the thrust bearing package is
reseated correctly after assembly of the seal
and backup washer. SEE FIGURES 43 & 44.
CAUTION
CAUTION: Original design Large Frame,
TF & TG Torqmotors™ that do not have
backup washer (25) when disassembled
must be assembled with a new backup
ring (17), new backup washer (25), and
new seal (16).
Assemble thrust
washer & bearing
NOTE
6. Assemble thrust washer (14) then thrust
bearing (15) that was removed from the
Series TC, TB, TS or TE Torqmotor™. SEE
FIGURE 45.
NOTE: Small Frame Series TC, TS, TB
and TE Torqmotors™ require one thrust
washer (14) with thrust bearing (15). The
coupling shaft will be seated directly
against the thrust bearing.
Apply masking
tape to shaft
7. Apply masking tape around splines or
keyway on shaft (12) to prevent damage to
seal. SEE FIGURE 46.
Figure 46
Figure 45
Figure 44
Figure 43
Torqmotor™ Assembly