Harbor Freight Tools 93820 Water Pump User Manual


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SKU 93819 For technical questions, please call 1-800-444-3353 PAGE 9
93820
4. Connect the Union (37) to the Coupler (34). Make sure to hand tighten only.
Over-tightening may cause the Union to crack. Then, connect a 1-1/2” diam-
eter Discharge Pipe to the Union. NOTE: Make sure the Discharge Pipe is
secured to a solid surface, with appropriate hardware (not included), to ensure
the stability of the Pump. (See Figure E.)
5. Install an additional union (not included) or other means of separating the Dis-
chargePipejustabovetheoortofacilitateremovalofthePumpifnecessary.
(See Figure E.)
6. A check valve (not included) is recommended just above, or in place of, the
Uniontopreventthebackowofwateraftereachpumpcycle.IfaCheckValve
is used, a 1/8” diameter air bleed hole should be drilled through the Discharge
Pipe just above the lower Union (37) to prevent Pump “airlock”. A small spray of
water out of this hole is normal while the Pump is running. (See Figure E.)
CHECK VALVE
OR
UNION
(NOT INCLUDED)
1-1/2” DIAMETER
DISCHARGE PIPE
(NOT INCLUDED)
1/8” AIR BLEED HOLE
(WATER SPRAY IS NORMAL)
POWER CORD & PLUG
(1)
UNION
(37)
FIGURE E
FLOAT SWITCH
(2)
FLOAT
SWITCH LOCK
COUPLER
(34)
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