Manual Model #0523-101 Shown Thank you for purchasing this Gast product. It is manufactured to the highest standards using quality materials. Please follow all recommended maintenance, operational and safety instructions and you will receive years of trouble free service. PLEASE READ THIS MANUAL COMPLETELY BEFORE INSTALLING AND USING THIS PRODUCT SAVE THIS MANUAL FOR FUTURE REFERENCE AND KEEP IN THE VICINITY OF THE PRODUCT. General information • Model numbers ending in “X” have automatic thermal protectors which protect the motor by shutting the motor off if it overheats. The motor will automatically restart once the motor has cooled. Product Use Criteria: * Oil-Less rotary-vanes require NO lubrication. • Sealed bearings are grease packed. • Pump only clean, dry air. • Use of petroleum or hydrocarbon products will • Operate at 32°F - 104°F (0°C - 40°C). reduce carbon-vane service life. • Protect unit from dirt & moisture. • Do not pump flammable or explosive gases or use in an atmosphere that contains such gases. • Protect all surrounding items from exhaust air. This exhaust air can become very hot. • Corrosive gases and particulate material will damage unit. Water vapor, oil-based contaminants or other liquids must be filtered out. • Consult your Gast Distributor before using at high altitudes. ® Registered Trademark/™ Trademark of Gast Manufacturing Inc. ©Copyright 2025 Gast Manufacturing Inc. All Rights Rese

Electrical Shock Hazard Your safety and the safety of others is extremely important. We have provided many important safety messages in this manual and on your product. Always read and obey all safety messages. This is the safety alert symbol. This symbol alerts you to hazards that can kill or hurt you and others. The safety alert symbol and the words “DANGER” and “WARNING” will precede all safety messages. These words mean: Disconnect electrical power at the circuit breaker or fuse box before installing this product. Install this product where it will not come into contact with water or other...

It is your responsibility to operate this product at recommended pressures or vacuum duties and room ambient temperatures. Model numbers ending in “X” have automatic thermal protectors which protect the motor by shutting the motor off if it overheats. The motor will automatically restart once the motor has cooled. If motor fails to start or slows down significantly under load, shut off and disconnect from power supply. Check that the voltage is correct for motor and that motor is turning in the proper direction. Vane life will be drastically reduced if motor is not operating properly. Vanes can...

1. Remove six end plate bolts. (See exploded view.) 2. Use a small hammer to carefully tap on end plate to remove. Do not use a screwdriver to pry off. 3. Check that vanes are moving freely in and out of vane slots. Replace vanes if more than 50% of the vane extends past the vane slot. 4. Remove vanes and clean both sides with fine emery cloth. Clean end-plate with fine emery cloth. 5. Flush vanes with Gast recommended solvent and remove all solvent from vanes. 6. Flush body, rotor and end plate with Gast recommended solvent, then remove all solvent from each part. 7. Check body, rotor and end...

EXPLODED PRODUCT VIEW, PARTS & ORDERING INFORMATION

EXPLODED PRODUCT VIEW, PARTS & ORDERING INFORMATION 1423-101Q * Denotes parts included in the Service Kit. Parts listed are for stock models. ** No Service Kit available, order parts separately. *** Not shown. For specific OEM models, please consult the factory. When corresponding or ordering parts, please give complete model and serial numbers.

Gast finished products, when properly installed and operated under normal conditions of use, are warranted by Gast to be free from defects in material and workmanship for a period of twelve (12) months from the date of purchase from Gast or an authorized Gast Representative or Distributor. In order to obtain performance under this warranty, the buyer must promptly (in no event later than thirty (30) days after discovery of the defect) give written notice of the defect to Gast Manufacturing Incorporate, 2300 M139 Highway Benton Harbor Michigan USA 49022-6114 or an authorized Service Center (unless...

TROUBLESHOOTING CHART 2300 M139 Highway Benton Harbor, Mi. 49022-6114 Phone: 269-926-6171 www.gastmfg.com IDEX Technology (Suzhou) Co., Ltd No.51 TangBang Road CaoHu Boulevard Xiang Cheng District Suzhou, China 215131 Phone: (86)512 6283 3000 www.gastmfg.com ® Registered Trademark/™ Trademark of Gast Manufacturing inc, ©Copyright 2025 Gast Manufacturing inc, All Rights Reserved,