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Setup
Clutch Drive - Calculating Pump Output
The standard pump output can be varied, from 0.010 to 0.050 cubic inches (0.1639 to 0.8195 cu. cm) per cycle, by
changing the position of the pump adjustment sleeve (2) (F
high volume pump has a fixed output.
To calculate the pump output per hour, use the following formulas:
* Degrees of Throw can be found by using clutch lever diagram (F
Pump strokes per hour x 0.010 = Minimum Pump Output per Hour
Pump strokes per hour x 0.050 = Maximum Pump Output per Hour
Table 1: Minimum / Maximum Pump Output
Degrees of
Effective Ratio
Throw
12
30:1
60
6:1
Standard Pump Adjustment
F
. 8
IG
12
360°
Degrees of Throw
IMPULSES/HOUR
RATIO
Impulses Per
Output Per Hour
Minute
Pump Strokes Per
Hour
5 Minimum
10
150 Maximum
1500
. 1, page 6) located below the pressure gauge (3). The
IG
= Effective Ratio
. 7, page 11)
IG
PUMP STROKE PER HOUR
=
Cubic Inches (Cubic Centimeters)/hour
Minimum
0.100 (1.639)
15.00 (245.8)
Table 2: Standard Output/Stroke Adjustment
Percent of
Output Per Stroke Cubic
Output
Inches (Cubic Centimeters)
100
0.050 (0.820)
90
0.045 (0.737)
80
0.040 (0.656)
70
0.035 (0.574)
60
0.030 (0.492)
50
0.025 (0.410)
40
0.020 (0.328)
30
0.015 (0.246)
20
0.010 (0.164)
* All marks are counting clockwise from the maximum
setting.
Maximum
0.500 (8.195)
75.00 (1229)
Adjustment
Mark
Max.
*1st
*2nd
*3rd
*4th
*5th
*6th
*7th
Min.
3A2781A
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