Gast 81R Series Operation & Maintenance Manual Download Page 1

81R and 82R SERIES

ROCKING PISTON OIL-LESS PUMPS

O

PERATION

& M

AINTENANCE

M

ANUAL

Product Use Criteria:

• Pump only clean, dry air.

• Operate at 32

º

F - 104

º

F (0

º

C - 40

º

C).

• 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/Representative

before using at high altitudes.

• This pump is oil-less and requires NO lubrication.

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.

www.gastmfg.com

ISO 9001 & 14001 CERTIFIED

®Registered Trademark/™Trademark of Gast Manufacturing Inc., Copyright © 2002 Gast Manufacturing Inc.  All Rights Reserved.

PART NO. 70 - 6855 G498PL (REV-D)

Model 82R6 Shown

Summary of Contents for 81R Series

Page 1: ...r oil based contaminants or other liquids must be filtered out Consult your Gast Distributor Representative before using at high altitudes This pump is oil less and requires NO lubrication 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 y...

Page 2: ...any way can cause the product to overheat Mounting This product can be installed in any orientation Mounting the product to a stable rigid operating surface and using shock mounts will reduce noise and vibration INSTALLATION Accessories The productʼs external intake and exhaust muffler will provide adequate filtration in most applications Check filters periodically and replace when necessary Consu...

Page 3: ...m or an equipment grounding terminal or lead on the product Power supply wiring must conform to all required safety codes and be installed by a qualified person Check that supply voltage agrees with that listed on product nameplate Extension cords Use only a 3 wire extension cord that has a 3 blade grounding plug Connect extension cord plug to a matching 3 slot receptacle Do not use an adapter Mak...

Page 4: ...llow proper shutdown procedures to prevent product damage NEVER ADD OIL TO THIS OIL LESS PUMP Proper shutdown procedures must be followed to prevent pump damage Failure to do so may result in premature pump failure Gast Manufacturing Rocking Piston Oil Less Pumps are constructed of ferrous metals or aluminum which are subject to rust and corrosion when pumping condensable vapors such as water Foll...

Page 5: ...esponsible for freight charges both to and from Gast in all cases This warranty does not apply to electric motors electrical controls and gasoline engines not supplied by Gast Gastʼs warranties also do not extend to any goods or parts which have been subjected to misuse lack of maintenance neglect damage by accident or transit damage THIS EXPRESS WARRANTY EXCLUDES ALL OTHER WARRANTIES OR REPRESENT...

Page 6: ...19 AT275 11 RETAINER SCREW 4 AT283 AT283 12 RETAINER PLATE 2 AT715 AT566A 13 PISTON CUP 2 AT329 AT280 14A FAN CW 1 AP108A AP108A 14B FAN CCW 1 AP108 AP108 15 GRILLE SHROUD 2 AP107A AP107A 16 PRESSURE SAFETY VALVE 1 AT954 AF592S 17 VALVE PLATE ASSEMBLY 1 AP133D AP133N 18 SHROUD SCREW 8 BB411C BB411C SERVICE KIT 1 K934 K933 EXPLODED PRODUCT VIEW PARTS ORDERING INFORMATION Item not shown Denotes part...

Page 7: ...MAINTENANCE RECORD DATE PROCEDURE PERFORMED 7 ...

Page 8: ...lve Replace Dirt or liquid on top of piston Inspect and clean Motor not wired correctly Check wiring diagram line voltage Blown head gasket Replace TROUBLESHOOTING CHART www gastmfg com ISO 9001 14001 CERTIFIED PART NO 70 6855 G498PL REV D 8 World Headquarters GAST Manufacturing Inc A Unit of IDEX Corporation 2300 M 139 Highway Benton Harbor Michigan 49022 Phone 269 926 6171 Fax 269 925 8288 GAST ...

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