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Replacing Base Packing in Reciprocator
See Fig. 4.
NOTE: Replace these seals if fluid leaks excessively
through the porous plug (107), see Fig. 5. This
procedure can be done without disassembling the
entire reciprocator.
1. Relieve the pressure.
WARNING
To reduce the risk of serious injury whenever you
are instructed to relieve pressure, always follow the
Pressure Relief Procedure on page 8.
2. Disconnect the reciprocator from the pump as
explained in the next section.
3. Remove the four capscrews (24) and washers (12)
from the bottom of the retainer housing (56). Tap
the retainer housing to loosen it and pull it off the
bottom cap (47).
4. Remove the seal (22) and sleeve bearing (34)
from the top of the retainer housing (56).
NOTE: Item 22 is included in the Repair Kit,
236–861.
5. Lubricate the sleeve bearing (34) and install the
seal and sleeve bearing in the retainer housing
(56) in the order shown in Fig. 4.
6. Reassemble. Torque the capscrews (24) to 28 to
32 ft-lb (43 to 43 N-m). Install the displacement
pump. Follow Step 22, page 17.
Service
12
24
Fig. 4
47
22
34
56
Torque to 28 to 32 ft-lb (43 to 43 N-m)
Lips face UP
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