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Registered Trademark/™ Trademark of Gast Manufacturing Inc. ©Copyright 2021 Gast Manufacturing Inc. All Rights Reserved.

www.gastmfg.com

ISO 9001 CERTIFIED

A UNIT OF IDEX CORPORATION

  

Part No. 70-7100 (Rev A)

Operation and Maintenance Manual

120R Rocking Piston  

Oil-less Air Compressor

Summary of Contents for 120R

Page 1: ...t Manufacturing Inc Copyright 2021 Gast Manufacturing Inc All Rights Reserved www gastmfg com ISO 9001 CERTIFIED A UNIT OF IDEX CORPORATION Part No 70 7100 Rev A Operation and Maintenance Manual 120R...

Page 2: ...safety instructions and you will receive years of trouble free service TABLE OF CONTENTS Product Use Criteria and Purpose 3 Mounting 4 Plumbing 4 Accessories 4 Motor Control 4 Electrical Connection 4...

Page 3: ...es 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 Thes...

Page 4: ...ircuit protection for the motor not as protection against overload Incoming line fuses must be able to withstand the motor s starting current Motor starters with thermal magnetic overload or circuit b...

Page 5: ...100 200 300 400 500 600 800 1000 0 2 18 18 18 16 16 14 14 12 12 2 3 18 18 16 14 14 12 12 10 10 3 4 18 18 16 14 12 12 10 10 8 4 5 18 18 14 12 12 10 10 8 8 5 6 18 16 14 12 10 10 8 8 8 6 8 18 16 12 10 1...

Page 6: ...ter element Replace filter if element is covered with contamination or shows signs of increasing differential pressure 5 Reinstall filter element and filter cover Check that all external accessories s...

Page 7: ...acement Kit K1029 Five years 120R Capacitor Cover K1030 As needed 120R Spare Parts Kits K1031 As needed 120R Side Mount Bracket Kit K1032 As needed Reducing Bushing 3 8 to 1 4 UK6502 As needed 1 Disco...

Page 8: ...ER 1 5485152 LIMITER 1 6 VPA1501 VALVE PLATE ASSEMBLY 1 VPL1500 VALVE PLATE 1 5485150 LEAF VALVE 2 6392165 PHCS M5 X 0 8 X 8 0 TORX TAPTITE 2 VRP1500 VALVE RETAINER 1 5485152 LIMITER 1 7 BC104 HEX NUT...

Page 9: ...ENANCE CHART Date Problem Technician Notes Low Pressure High Pressure Low Vacuum Excessive Noise Over heating Won t Start Possible reason Dirty filter Dirty muffler Dirty valves clean or replace Bent...

Page 10: ...ence or otherwise Notwithstanding any other provision of this warran ty BUYER S REMEDY AGAINST GAST FOR GOODS SUPPLIED OR FOR NON DELIVERED GOODS OR FAILURE TO FURNISH GOODS WHETHER OR NOT BASED ON NE...

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