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26 308351
Displacement Pump Service
For Pumps 198466, 237265 and 236471 only
THROAT PACKING DETAIL
1
3
4
2
Intake check valve (see Fig. 13).
Piston check valve (see Fig. 12).
Screw valve plug (20) completely into valve body (29).
5
6
7
Fig. 16
Lips of v-packings must face down.
Torque to 77–85 N.m (57–63 ft-lb).
Torque to 176–258 N.m (130–190 ft-lb).
Torque to 125–139 N.m (92–102 ft-lb).
Torque to 128–156 N.m (95–115 ft-lb).
Torque to 468–590 N.m (345–435 ft-lb).
8
10
42*
1
2
3
5*
6*
4*
7*
4*
6*
6*
1
9
20
10
17a, b, c
19
18
21
22
*8
8*
37
38*
Lubricate.
3
3
3
1
2
3
VS
3 4
5
8
7
6
10
29
11
Optional Displacement Pump 237945
uses all PTFE v-packings (item 4).
11
11
11
05002
9
9