Craftsman 390.251883 - Manual (Page 2)

READ AND FOLLOW SAFETY INSTRUCTIONS!
A
A DANGER
A
WARNING
A CAUTION
This is the safety alert symbol. When you see this symbol on your
pump or in this manual, look for one of the following signal words
and be alert to the potential for personal injury:
DANGER warns about hazards that will cause serious personal
injury, death or major property damage if ignored.
WARNING warns about hazards that will or can cause serious
personal injury, death or major property dam^e if ignored.
CAimON warns about hazards that will or can cause minor per­
sonal injury or property damage if ignored. .
The label NOTICE indicates special instructions which are im­
portant but not related to hazards.
Carefully read and follow all safety instructions in this
manual and on pump.
Keep safety labels in good condition.
Replace missing or damaged safety labels.
Relief valve must be capable of passing full pump flow at 75 PSI.
Pump water only with this pump.
A WARNING
Electrical Safety
A
General Safety
Hazardous voltage.
Can shock, burn, or
cause death.
Ground pump before
connecting to power
supply.
Wire motor for correct
voltage. See “Electrical”
section of this manual
and motor nameplate.
Ground motor before
connecting to power
supply.
Meet National Elect­
rical Code and local
codes for all wiring.
^ Follow wiring instruc­
tions in this manual
when
connecting mo­
tor to power lines.
Make workshopj childproof; use padlocks and master switches;
remove starter keys.
General Safety
Do not allow pump, pres,sure tank, piping, or any other system
component containing water to freeze. Freezing may damage sys­
tem, leading to injuiy' or flooding. Allowing pump or system com­
ponents to freeze will void warranty.
A WARNING
Hazardous pressure!
Install pressure relief
valve in discharge pipe.
Release all pressure on
system before working on
any component.
Periodically inspect pump and system components.
Wear safety glasses at all times when working on pumps.
Keep work area clean, uncluttered and properly lighted; store
properly all unused tools and equipment.
Keep visitors at a safe distance from the work areas.
A WARNING pujnp body may explode if used as a booster
pump unless reUef valve capable of passing full pump flow
at 75 PSI (517 kPa) is installed.
A CAUTION j^jotor normally operates at high temperature and
will be too hot to touch. It is protected from heat damage during
operation by an automatic internal cutoff switch. Before handling
pump or motor, stop motor and allow it to cool for 20 minutes.
TABLE I - Pump Performance
(in Gallons per Minute)
Model
No. Description Suet. Disch.
Discharge
Pressure PSI
Pumping Depth in Feet
5’ 10’ 15’ 20’
390.251483 1/2 HP S.W. Jet 1-1/4" 1 ” 40 8.2 7.3 6.2 5,0
390.251883 3/4 HP S.W. Jet 1-1/4” 1" 40 10.9 10.4 8.6 7.5