Sears 390.304692 owner manual Electrical / Maintenance, Pipe

ELECTRICAL / MAINTENANCE

Grounding Outlet

If your outlet is not gronnded, install a copper wire, at least 14 gauge (2mm-'), from the outlet box, as shown in Figure 3B, to a metal cold \vatt'r pipe list. ground clamp on pipe.

IMPORTANT: The cold \\atcr pipe you use as a ground

nltlst have metal continuity to electrical ground, if contimv

ity is interrupted by plastic, rubber, or other electrical insu- laturs; such as hoses, littings, washers or gaskets (including

water meter or pump), a metal bypass must be used. Any

electrically insulated connector should be jumped (as shown in Figure 3C), with a length of No. 4 wire clamped securely at both ends.

Outlet

IBex

i

Bare copper wire to cold water pipe.

6690194

Figure 3B

No. 4	Clamp
Wire

Metal Water

Pipe

Meter

670 0!94

Figure 3C

Automatic Thermal Overload Protection

This pump motor has a built-in automatic thermal overload

protector. If the motor overheats, the protector wiU open

and cut off power to the motor before the heat damages it

internally. The overload will reset automatically and the pump will restart after the pump cools down below the dan- ger point.

_DO				NOT	attempt	to	work on		the	pump or
motor	if	the	overload		seems		to	have	tripped.		The
motor	may restart			without		warning		at any		time.	You
could	be	injured		and	the	pump		damaged		if it	starts
when	you	are	working		on	it.
DO NOT		attempt		to repair a		non-operational			sump		pump.

Take it to Sears for service by a qualified technician.

Generator Sizing

Below is the minimum Engine4;enerator Watt rating required to power this pump motor. Any additional loads, such as lights, must he added to the listed load ;rodthe g_'nerator sized ac cordiugly (;cncnltors are awdlablc at all Scars Stores

Pump		Minimum Watt
Model	HP	Rating of Generator
390.305001	1/2	2800
390.304692	1/3	4500
390,304790	1/3	3400
390,305790	1/2	4200

MAINTENANCE

I_k CAUTION ]Make certain that the pump is unplugged

before attempting to service or remove any compo- nent.

1.The motor in the unit is sealed in oil. No additional lubri- cation is necessary.

2.IMPORTANT: Disassembly of the motor assembly will void the warranty. It might also cause internal leakage and

damage to the unit. If repairs are required, return the pump to the dealer from whom it was purchased.

3.Inlet screen should be kept clean and free of all foreign objects.

Pump Cleaning

NOTICE: Attempting to disassemble motor will void the

warranty.

1.Disconnect power cord from electrical outlet before work- ing on ptnnp. Tbe volute bottom may be removed to re- place impeller or clean pump of mud or debris.

2.Remove screws from volute bottom and clean impeller.

Replace the gasket/O-Ring if it is damaged.

To Reassemble:

Attach volute bottom to volute top with screws.

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