308156
11
Service
Replacing the Throat Seals
See Fig. 5.
NOTE: Replace these seals if fluid leaks excessively
through the weep tube (B). This procedure can be
done without disassembling the entire reciprocator.
WARNING
To reduce the risk of serious injury whenever you
are instructed to relieve pressure, always follow the
Pressure Relief Procedure on page 8.
1.
Relieve the pressure.
2.
Disconnect the reciprocator from the pump. See
the procedure on page 12.
3.
Remove the four capscrews (46) from the bottom
of the adapter (43). Tap the adapter to loosen it
and pull it off the bottom cap (32).
4.
Remove the seals (16*,44*) and guide (19) from
the top of the adapter (43).
NOTE: Items 16 and 44 are included in the
Reciprocator Repair Kit, 223426.
5.
Lubricate the guide (19) and install the seals and
guide in the adapter (43), one at a time in the
order shown in Fig. 5.
6.
Reassemble. Torque the capscrews (46) to 28 to
32 ft-lb (38 to 43 N-m). Install the displacement
pump. Follow Step 24, page 16.
Fig. 5
01660
32
33
46
43
44*
1
Torque to 28 to 32 ft-lb (38 to 43 N-m).
1
2
16*
16*
19
4
3
2
3
4
Lips face up.
Lips face down.
Lubricate.
