Service - Graco Dyna-Star 236-753 Instructions And Parts List

Replacing Base Packing in Reciprocator.
Fig 3.
NOTE: Replace these seals if
through the porous plug (107), see Fig 4. This procedure
can be done without disassembling the entire recipro-
cator.
1. Follow the Pressure Relief Procedure Warning,
on page 9.
2. Disconnect the reciprocator from the pump. See
the procedure to the right.
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 3.
6. Reassemble. Torque the capscrews (24) to 28–32
ft–lb (43–43 N.m). Install the displacement pump.
Follow Step 23, page 15.
12
24
TORQUE TO 28–32 ft–lb (43–43 N.m)
Lips face UP
Fig. 3

Service

See
fluid leaks excessively
47
22
34
56
Disconnecting Reciprocator and Displacement
Pump and Replacing Throat Seals. See Fig 4.
7, 6
28
105
103
115
107
118
Fig. 4
36,37
32
43
46
33
Fig 9–2
116
115
110
117
119
HIDDEN FROM VIEW
108
117
34
118
103