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Craftsman HYDROGLASS 390.262454 Owner's Manual page 4

High pressure sprinkler pump

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INSTALLATION
(Continued)
2. To aid priming
on driven
point
installations,
install a line
check
valve as shown
in Figure 2. Be sure check
valve
flow arrow
points
toward
pump.
DISCHARGE
PIPE
SIZES
1. If increasing
discharge
pipe size, install reducer
in pump
discharge
tapping.
Do not increase
pipe size by stages.
2. When the pump
is set away from the points
of water use,
the discharge
pipe
size should
be increased
to reduce
pressure
losses caused
by friction.
• Up to 100' run: Same size as pump
discharge
tapping.
• 100' to 300' run: Increase
one pipe size.
• 300' to 600' run: Increase
two pipe sizes.
LAWN
SPRINKLING
APPLICATION
This pump
is designed
for lawn sprinkling.
It is designed
to
deliver
plenty of water at full sprinkler
pressure.
It can pump
from a pond,
cistern
or well points.
Pump
discharge
can be divided
to supply
two (2) or more
To
Service
Priming
Plug
Valve
846 O494
Figure
3 - Multiple
Discharge
sprinkler
systems.
A suggested
multiple
discharge
to service
is shown
in Figure 3.
Do
not
use
in
a pressure
tank
or
booster
pump
application.
Pump/Piping
Installation
PUMP
INSTALLATION
NOTICE:
Use Teflon
tape supplied
with the pump
for mak-
ing all threaded
connections
to the pump
itself. Do not use
pipe
joint compounds
on the pump:
they can react with
the plastic
in the pump
components.
1. Bolt pump
to solid, level foundation.
2. Support
all piping
connected
to the pump.
3. Wrap 1-1/2 to two layers of Teflon tape clockwise
(as you
face end of pipe)
on all male threads
being
attached
to
pump.
4. Tighten joints hand
tight plus 1-1/2 turns. Do not
over-
tighten.
NOTICE:
Install pump
as close to water
source
as possible.
Long piping
runs
and many fittings
create
friction
and re-
duce flow.
Use schedule
80 or iron pipe. See "Well Pipe Installation"
for
more information.
Figure 4 - Bolt Pump
Figure 5 - Independently
Down
Support All Piping
Attached
To Pump
DISCHARGE
PRESSURE
PSI
10
15
20
25
30
35
40
45
5O
DISCHARGE
PIPE TAPPING
SUCTION
PIPE TAPPING
TABLE
II - PERFORMANCE
CHART
(IN GALLONS
PER MINUTE)
390.262454
390.262553
390.262653
1 H.P,
1-1/2 H,P.
2 H.P.
5'
10'
15'
20'
55
49
48
45
51
46
45
44
45
42
39
37
38
35
32
29
31
28
24
20
23
19
16
11
17
13
6
-
1-1/2" NPT
DISTANCE ABOVE TO WATER
5'
10'
15'
20'
67
61
56
46
66
58
55
45
61
56
54
44
55
52
51
43
48
45
44
37
39
37
34
28
33
27
20
11
18
14
8
-
5'
10'
15'
20'
69
67
65
62
65
63
60
58
59
56
54
52
52
50
48
45
47
45
42
40
42
38
35
32
34
30
27
23
25
18
13
10
14
7
2" NPT
1-1/2" NPT
1-1/2" NPT
1-1/2" NPT
2" NPT

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