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Operation
Baseline Chemical Dosage Settings
See Adjust the Pump Stroke, page 14, to adjust stroke settings. CPM (cycles per minute) is determined by the
pumpjack speed. To use these charts, find the desired flow rate for the plunger size and adjust the pin and lever arm
as necessary.
1/4 in. Plunger
Pin
Lever
Setting
Setting
CPM
3/4
2
1/2
1
5
Full
2
3/4
1
Full
1
3/4
2
1/2
1
10
Full
2
3/4
1
Full
1
3/4
2
1/2
1
15
Full
2
3/4
1
Full
1
NOTE: Not all stroke adjustment combinations are pos-
sible.
16
Approximate
Pin
Flow Rate
Setting
[GPD (LPD)]
0.3 (1.1)
3/4
0.5 (1.9)
1/2
0.6 (2.3)
Full
0.7 (2.6)
3/4
1.2 (4.5)
Full
0.5 (1.9)
3/4
1.0 (3.8)
1/2
1.2 (4.5)
Full
1.5 (5.7)
3/4
2.5 (9.5)
Full
0.8 (3.0)
3/4
1.4 (5.3)
1/2
1.8 (6.8)
Full
2.2 (8.3)
3/4
3.7 (14.0)
Full
3/8 in. Plunger
Approximate
Lever
Flow Rate
Setting
[GPD (LPD)]
2
0.7 (2.6)
1
1.1 (4.2)
2
1.5 (5.7)
1
1.6 (6.1)
1
2.8 (10.6)
2
1.3 (4.9)
1
2.2 (8.3)
2
2.9 (11.0)
1
3.2 (12.1)
1
5.7 (12.6)
2
2.0 (7.6)
1
3.3 (12.5)
2
4.4 (16.7)
1
4.8 (18.2)
1
8.5 (32.2)
1/2 in. Plunger
Approximate
Pin
Lever
Flow Rate
Setting
Setting
[GPD (LPD)]
3/4
2
1.2 (4.5)
1/2
1
1.8 (6.8)
Full
2
2.6 (9.8)
3/4
1
3.2 (12.1)
Full
1
5.0 (18.9)
3/4
2
2.3 (8.7)
1/2
1
3.6 (13.6)
Full
2
5.1 (19.3)
3/4
1
6.5 (24.6)
Full
1
10.0 (37.9)
3/4
2
3.5 (13.2)
1/2
1
5.4 (20.4)
Full
2
7.7 (29.1)
3/4
1
9.7 (36.7)
Full
1
15.0 (56.8)
3A6349A
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