Little Giant 1-YS User Manual

1-YS Parts Washer Pump (Submersible only)
Oil filled cast aluminium for use with Stoddard solvent and deodorized kerosene submerged parts
washer applications only. Seal unit has double-lip VitonÒ seal and nylon volute with 1/4” MNPT
discharge. 6’ power cord without plug has “Master Builders” conduit fitting at pump housing for
mounting. For pumping unheated metal parts cleaning solvent which is UL classified as PJQU, as
described in the Gas and Oil Equipment Directory. These refine petroleum distillates are free from
tendency to heat spontaneously; they have a closed cup flash point not lower than 38°C. Thermally
protected.
• 1/150 HP oil filled motor
• Cast aluminium housing
• Nylon volute
• Viton
®
shaft seal
• Polyethylene screen
• 25.4mm conduit fitting
• IP 68
Capacity:
719 LPM @ 0.31m
Shut Off:
1.89m
Liquid Temp:
50°C
Discharge:
12.5mm O.D
Electrical:
230V, 50Hz, 0.6 amps, 70 watts
MODEL:
501027
Performance Curve 1-YS 230V 50Hz
THE RIGHT PUMP FOR
MECHANICAL REPAIR SHOPS
STODDART SOLVENT +
DEODORISED KEROSENE USE
ONLY

Little Giant 1-YS Specifications

General

Model	1-YS
Power Source	Electric
Cord Length	6 ft
Voltage	115 V
Type	Submersible Pump

Summary

Safety Guidelines

General Safety Precautions

Follow safety codes, disconnect power, ensure proper grounding, and avoid DIY cleaners.

Solvent Handling and Fire Safety

Be aware of low flash point liquids, operate pump submerged, use UL-approved solvents.

Installation Instructions

Power Cord and Conduit

Seal power cord in liquid-tight conduit, protect from solvent damage, and ensure proper grounding.

Pump Submersion and Power Connection

Ensure pump is fully submerged and connected to a properly grounded receptacle.

Maintenance and Troubleshooting

Pump Maintenance

Periodically clean impeller, check for free movement, and protect power cord.

Troubleshooting Common Issues

Check power supply, liquid level, air in pump, or sediment buildup for operational failures.