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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 - 2450 G446A PL (Rev F)
WARNING
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.
10D DC SERIES MINIATURE PUMP
OPERATION & MAINTENANCE MANUAL
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.
Product Use Criteria:
• Pump only clean, dry air.
• Operate at 32ºF - 104ºF (0ºC - 40ºC).
• Protect unit from dirt & moisture.
• Do not pump flammable or explosive gases or
use in an atmosphere that contains such gases.
• 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.
• Units may be used for both pressure and vacuum.
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Your safety and the safety of others
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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 liquids.
Install this product where it will be weather
protected.
Electrically ground this product.
Failure to follow these instructions can result in
death, fire or electrical shock.
WARNING
Electrical Shock Hazard
is extremely important.
e have provided many important safety messages in
W
this manual and on your product. Always read and
obey all safety messages.
his is the safety alert symbol. This symbol
T
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
essages. These words mean:
m
DANGER
e killed or seriously injured if you donʼt follow
b
ou will
Y
instructions.
WARNING
You can
instructions.
All safety messages will identify the hazard, tell you
how to reduce the chance of injury, and tell you what
can happen if the safety instructions are not followed.
be killed or seriously injured if you donʼt follow
Accessories
Install gauges in the lines to monitor performance. A
relief valve can be installed at the inlet or outlet or both.
Consult a Gast representative for performance
limitations.
If operating in a dirt contaminated atmosphere, a
suitable filter should be used to ensure long service.
Motor Control
t is your responsibility to contact a qualified
I
electrician and assure that the electrical installation is
adequate and in conformance with all national and local
codes and ordinances.
All electric motors generate heat. To avoid serious burns,
never touch unit during or immediately after operation.
lways disconnect power source before servicing. Do not
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block the flow of cooling air over the motor in any way.
Keep the air flow vents free of foreign objects, dirt, lint,
etc.
INSTALLATION
Correct installation is your responsibility. Make sure you
have the proper installation conditions and that
installation clearances do not block air flow.
Blocking air flow over the product in 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.
Plumbing
To prevent air flow restriction, use pipes and fittings of
the same size or larger than the barbed or threaded
ports. Note that the ports are not designed to support
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plumbing.
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WARNING
Injury Hazard
Use only recommended air handling parts acceptable
for pressure not less than 70 psi.
Keep fingers and objects away from openings and
rotating parts.
Product surfaces become hot during operation,
allow product surfaces to cool before handling.
Do NOT direct air stream at body. Air stream from
product may contain solid or liquid material that can
result in eye or skin damage, wear proper eye
protection.
Do NOT spray flammable or combustible liquid.
Failure to follow these instructions can result in
burns, eye injury or other serious injury.
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This product must be properly grounded.
Check the condition of the power supply wiring.
Do not permanently connect this product to
wiring that is not in good condition or is
inadequate for the requirements of this product.
Failure to follow these instructions can result in
death, fire or electrical shock.
WARNING
Electrical Shock Hazard
Electrical Connection
In the event of an electrical short circuit, grounding
reduces the risk of electric shock by providing an
escape wire for the electric current. This product may
be equipped with a power supply cord having a
grounding wire with an appropriate grounding plug.
The plug must be plugged into an outlet that is properly
installed and grounded in accordance with all local
codes and ordinances.
Check with a qualified electrician or serviceman if the
grounding instructions are not completely understood,
or if you are not sure whether the product is properly
grounded. Do not modify the plug provided. If it will not
fit the outlet, have the proper outlet installed by a
qualified electrician.
Model that is permanently wired:
This product must be connected to a grounded, metallic,
permanent wiring system, 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.
Gast will NOT guarantee field-rebuilt product
performance. For performance guarantee, the product
must be returned to a Gast Authorized Service Facility.
PERATION
O
It is your responsibility to operate this product at
recommended pressures or vacuum duties and room
ambient temperatures. Do not start against a vacuum
or pressure load.
Start Up
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.
SHUTDOWN PROCEDURES
It is your responsibility to follow 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. Follow all the steps to assure
correct storage and shutdown between operating
periods.
1. Disconnect plumbing.
2. Operate product for at least 5 minutes without
plumbing.
3. Run at maximum vacuum for 10 to 15 minutes.
4. Repeat step 2.
5. Disconnect power supply.
6. Plug open ports to prevent dirt or other
contaminants from entering product.
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WARNING
May contain solid or liquid material
that can result in eye or skin damage.
Wear eye protection when using this product.
Solvent Stream
MAINTENANCE
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Disconnect electrical power supply cord before
performing maintenance on this product.
If product is hard wired into system, disconnect
electrical power at the circuit breaker or fuse box
before performing maintenance on this product.
Failure to follow these instructions can result in
death, fire or electrical shock.
Electrical Shock Hazard
WARNING
Injury Hazard
Product surfaces become very hot during operation,
allow product surfaces to cool before handling.
Air stream from product may contain solid or liquid
material that can result in eye or skin damage,
wear proper eye protection.
Clean this product in a well ventilated area.
Failure to follow these instructions can result in
burns, eye injury or other serious injury.
WARNING
Disassembly
To make reassembly easier, note the location of parts
when disassembling.
. Disconnect electrical power to pump.
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2. Disconnect air supply and vent all air lines to
release pressure or vacuum.
3. Note the direction of the arrows so you can orient
he pump head correctly during reinstallation.
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4. Remove the four corner head screws and remove
the head and valve and valve plate.
6. Remove retainer and diaphragm.
. Clean the pump using water-based solvents.. Do
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not use petroleum-base compounds, acids, caustics,
or chlorinated solvents to clean or lubricate any
parts. It will reduce service life of pump.
It is your responsibility to:
• Regularly inspect and make necessary repairs to
product in order to maintain proper operation.
• Make sure that pressure and vacuum are released
from product before starting maintenance
Solvent Cleaning
Use only Gast AH255B Solvent or other
non-petroleum based solvent. Do Not use kerosene or
ANY other combustible solvent to clean product.
Reassembly
1. Orient diaphragm so that seal bead on outer diaphragm
is facing down.
2. Seat diaphragm in bracket so that seal bead sits into
pocket in bracket.
3. Adjust rod so rod top centers in inner diameter of
diaphragm.
4. Center retainer on top of rod and torque retainer screw
down to 9 in/lbs.
5. Place valve in valve plate pocket using notch in both
parts as aid in orientation.
6. Assemble head by aligning two holes with two pins in
valve plate.
7. Place entire head, valve and valve plate assembly on top
of bracket, by aligning four holes and orienting ports in
desired position.
8. Torque head screws to 6 in/lbs. into bracket.
CAUTION
Do not over-tighten head screw(s). To do so can risk
stripping the plastic threads.
If pump still does not produce proper vacuum or
pressure, send unit to a Gast Authorized Service Facility
for repair.
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WARRANTY
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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 Incorporated, PO Box 97, Benton
Harbor Michigan USA 49023-0097 or an authorized Service Center (unless specifically agreed upon in writing signed by both parties
or specified in writing as part of a Gast OEM Quotation). Buyer is responsible 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 REPRESENTATIONS EXPRESSED OR IMPLIED BY
ANY LITERATURE, DATA, OR PERSON. GASTʼS MAXIMUM LIABILITY UNDER THIS EXCLUSIVE REMEDY SHALL NEVER
EXCEED THE COST OF THE SUBJECT PRODUCT AND GAST RESERVES THE RIGHT, AT ITS SOLE DISCRETION, TO
REFUND THE PURCHASE PRICE IN LIEU OF REPAIR OR REPLACEMENT.
GAST WILL NOT BE RESPONSIBLE OR LIABLE FOR INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND, however
arising, including but not limited to those for use of any products, loss of time, inconvenience, lost profit, labor charges, or other
incidental or consequential damages with respect to persons, business, or property, whether as a result of breach of warranty,
negligence or otherwise. Notwithstanding any other provision of this warranty, BUYERʼS REMEDY AGAINST GAST FOR GOODS
SUPPLIED OR FOR NON-DELIVERED GOODS OR FAILURE TO FURNISH GOODS, WHETHER OR NOT BASED ON
NEGLIGENCE, STRICT LIABILITY OR BREACH OF EXPRESS OR IMPLIED WARRANTY IS LIMITED SOLELY, AT GASTʼS
OPTION, TO REPLACEMENT OF OR CURE OF SUCH NON-CONFORMING OR NON-DELIVERED GOODS OR RETURN OF THE
PURCHASE PRICE FOR SUCH GOODS AND IN NO EVENT SHALL EXCEED THE PRICE OR CHARGE FOR SUCH GOODS.
GAST EXPRESSLY DISCLAIMS ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE OR PURPOSE
WITH RESPECT TO THE GOODS SOLD. THERE ARE NO WARRANTIES WHICH EXTEND BEYOND THE DESCRIPTIONS SET
FORTH IN THIS WARRANTY, notwithstanding any knowledge of Gast regarding the use or uses intended to be made of goods,
proposed changes or additions to goods, or any assistance or suggestions that may have been made by Gast personnel.
Unauthorized extensions of warranties by the customer shall remain the customerʼs responsibility.
CUSTOMER IS RESPONSIBLE FOR DETERMINING THE SUITABILITY OF GAST PRODUCTS FOR CUSTOMERʼS USE OR
RESALE, OR FOR INCORPORATING THEM INTO OBJECTS OR APPLICATIONS WHICH CUSTOMER DESIGNS, ASSEMBLES,
CONSTRUCTS OR MANUFACTURES.
This warranty can be modified only by authorized Gast personnel by signing a specific, written description of any modifications.
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EXPLODED PRODUCT VIEW/PARTS & ORDERING INFORMATIO N
www.gastmfg.com
ISO 9001 & 14001 CERTIFIED
Ref
No. Description Quantity 10D DC
1 Head screws 4 SCR1014
2 Head 1 HDC1005
3 Valve 1 VLV1005
4 Valve plate 1 VPL1004
5 Retrainer 1 RPL1004
6 Diaphragm 1 DPH1009
7 Bracket 1 BKT1007A
8 Retainer screw 1 SCR1007
Parts listed are for stock models. For
specific OEM models, please consult
the factory.
When corresponding or ordering parts,
please give complete model and serial
numbers.
World Headquarters
P.O. Box 97
2550
Meadowbrook Rd.
Benton Harbor, MI 49023-0097
Ph: 269/926-6171
FAX: 269/925-8288
www.gastmfg.com
Gast Hong Kong
Unit 12, 21/F, Block B
New Trade Plaza
6, On Ping Street, Shatin
N. T. Hong Kong
Ph: (852) 2690 1008
Fax: (852) 26901012
www.gastmfg.com
For the name of the nearest authorized service facility, contact one of our offices or visit our website at
www.gastmfg.com.
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