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308351 21
Displacement Pump Service
Fig. 9
2
3
1
9
20
10
17a, b, c
19
1
8
21
22
8
8
See Fig. 12
See Fig. 7
See Fig. 10
29
05002
6. Pull the intake seat (37) and seal (38) out the
bottom of the intake valve housing (17). Take care
not to drop the check valve assembly (V) as it
comes free, and set it aside for later. See Fig. 7.
NOTE: If the seat (37) is difficult to remove, insert a
hammer and brass rod through the top of the housing
(17) and drive the seat out.
7. Using a rubber mallet, drive the displacement rod
(1) and the priming piston rod (18) out of the outlet
housing (9) and cylinder (10). Inspect the outer
surfaces of the rods for damage by running a
finger over the surface.
8. Unscrew the packing nut (2). Unscrew the packing
housing (3) and remove the seal (42). Remove the
throat glands and packings (T). See Fig. 10.
42*
Fig. 10
T
2
3
THROAT PACKING DETAIL
05002
Model 236611 Displacement Pump Shown