Instructions-Parts
950 Series Sealant Gun
309968D
ENG
For dispensing sealant from caulking tubes. For professional use only.
Important Safety Instructions
Read all warnings and instructions in this manual.
Save these instructions.
More warnings.
Models
Palm Grip Gun:
2.5 oz. (C04074) and 6 oz (C04087)
Pistol Grip Gun:
2.5 oz. (C04076), 6 oz. (C04090), and 12 oz. (C04068)
PROVEN QUALITY. LEADING TECHNOLOGY.
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Warnings
The following warnings are for the setup, use, grounding, maintenance and repair of this equipment. The
exclamation point symbol alerts you to a general warning and the hazard symbol refers to procedure-specific
risks. When these symbols appear in the body of this manual refer back to these Warnings. Product-specific
hazard symbols and warnings not covered in this section may appear throughout the body of this manual
where applicable.
WARNING
PRESSURIZED EQUIPMENT HAZARD
Fluid from the equipment, leaks, or ruptured components can splash in the eyes or on skin
and cause serious injury.
• Follow the Pressure Relief Procedure when you stop spraying/dispensing and before
cleaning, checking, or servicing equipment.
• Tighten all fluid connections before operating the equipment.
• Check hoses, tubes, and couplings daily. Replace worn or damaged parts immediately.
EQUIPMENT MISUSE HAZARD
Misuse can cause death or serious injury.
• Do not operate the unit when fatigued or under the influence of drugs or alcohol.
• Do not exceed the maximum working pressure or temperature rating of the lowest rated
system component. See Technical Data in all equipment manuals.
• Use fluids and solvents that are compatible with equipment wetted parts. See Technical Data
in all equipment manuals. Read fluid and solvent manufacturer’s warnings. For complete
information about your material, request MSDS from distributor or retailer.
• Do not leave the work area while equipment is energized or under pressure. Turn off all
equipment and follow the Pressure Relief Procedure when equipment is not in use.
• Check equipment daily. Repair or replace worn or damaged parts immediately with genuine
manufacturer’s replacement parts only.
• Do not alter or modify equipment.
• Use equipment only for its intended purpose. Call your distributor for information.
• Route hoses and cables away from traffic areas, sharp edges, moving parts, and hot surfaces.
• Do not kink or over bend hoses or use hoses to pull equipment.
• Keep children and animals away from work area.
• Comply with all applicable safety regulations.
PERSONAL PROTECTIVE EQUIPMENT
You must wear appropriate protective equipment when operating, servicing, or when in the
operating area of the equipment to help protect you from serious injury, including eye injury,
hearing loss, inhalation of toxic fumes, and burns. This equipment includes but is not limited to:
• Protective eyewear, and hearing protection.
• Respirators, protective clothing, and gloves as recommended by the fluid and solvent
manufacturer.
309968D
3
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Installation
Operation
Topics Covered in this Chapter
Topics Covered in this Chapter
Note
Air-Powered Sealant Guns
Read this manual thoroughly before installing
sealant gun.
The 950 Series, air-powered sealant guns dispense
adhesives or sealants from 2.5, 6 or 12 ounce
polyethylene cartridges. Each size of these
lightweight, all metal guns, is available in two styles:
pistol grip and palm grip.
Inspect sealant gun for shipping damage. If
damaged, notify the carrier immediately.
The guns feature an interchangeable gun body and
actuator with a fast change cartridge knob included.
The cartridge retainers are corrosion-resistant, will fit
all handles and are made of high strength steel to
prevent cartridge splitting under pressure.
Manual Applications
The palm and pistol grip sealant guns are used in
hand-held applications.
1. Secure gun in a way that allows proper routing
of air hose and fitting.
In operation, the dispense rate is controlled through
air pressure, trigger position and nozzle orifice. When
the gun is actuated, air pressure forces the plunger
down, inside the cartridge, forcing material out the
nozzle. When the trigger is released, pressure is
removed and dispensing stops.
2. Make sure gun does not impede movement of
person.
3. Tighten hose connections before operating
equipment. The air-powered sealant gun can be
supplied air from any standard air pump.
4. Do not exceed maximum working pressure of
sealant gun.
Manual Sealant Guns
The manually-operated sealant fun for 2.5, 6 and 12
ounce cartridges uses a smooth plunger rod for easy
operation. Simply releasing the trigger, releases the
pressure; dispensing is easy to control and stops
quickly.
Automatic Appliations
The palm grip and pistol grip sealant guns are not
designed for use in high production operations.
Never mount or secure any hand-held gun to a fixture
or robot arm.
Gun Tip/Nozzle Safety
Use extreme caution when cleaning or changing
dispense sealant gun tips/nozzles. Always follow the
Pressure Relief Procedure first, and then remove the
spray tip/nozzle to clean it.
Air Requirements
For information describing the air pressure
requirements, refer to the technical data supplied
with the sealant gun..
Never wipe off build-up around the tip/nozzle until
pressure is relieved.
4
309968D
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3. Open drain valve (required in your system)
having a container ready to catch drainage.
Pressure Relief Procedure
4. Leave drain valve open until you are ready to
dispense sealant again.
Note
This procedure describes how to relieve pressure
for the sealant gun. To reduce the risk of serious
injury, use this procedure whenever you shut off
the sealant gun and before checking or adjusting
any part of the sealant gun.
If you suspect that the nozzle or hose is
completely clogged, or that pressure has not
been relieved fully after following the above
steps, very slowly loosen the retaining nut
or hose end coupling to relieve pressure
gradually. Then loosen completely. Now
clear the tip/nozzle or hose.
1. Shut off air supply to pump. Close any bleed-type
master air valves.
2. Hold metal part of gun firmly to side of a grounded
metal pail. Trigger gun to relieve pressure.
309968D
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Troubleshooting
Problem
Cause
Solution
Gun fails to dispense when trigger Material lodged in nozzle
is actuated.
Follow Pressure Relief Procedure,
Material supply, hose, passages, Check material supply settings,
clogged
hoses, etc. for proper material
supply.
Seal leakage
Seals and packings are worn.
Seals are worn
Rebuild gun as necessary using
repair kit C04094.
Air leaks from gun inlet swivel.
Replace seals using repair kit
C04094.
6
309968D
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3. Remove the trigger (107) and trigger spring (104)
from the handle (103).
Service
Topics Covered in this Chapter
Sealant Gun Reassembly (C04093)
Note
• Clean all parts thoroughly before
reassembling. Check them carefully for
damage or wear, replacing parts if needed.
Sealant Gun Body Disassembly
(C04093)
• Repair Kit C04094 is available to service
the Sealant Gun body. For best results,
replace the original parts with new parts
in the repair kit.
This procedure describes how to disassemble the
sealant gun. Refer to Parts, page 8.
• Prior to installation, lubricate all seals and
o-rings with PARKER-O-LUBE™ or an
equivalent lubricant. Check the material
supplier for a compatible lubricant.
1. Shut off material and air supply lines to gun.
2. Actuate gun to purge material.
gun.
1. Clean and free all parts of solid material residue.
2. Reassemble gun body as follows:
3. Disconnect air hose from sealant gun.
4. Unhook bracket (2) from retainer (21) and
remove from sealant gun.
a. Install washer (5), swivel (6), two o-rings (14)
and screw (8).
5. Disassemble parts attached to gun body as
follows:
b. Install spring (9), poppet (11), o-ring (12),
push rod (13), two o-rings (14), sleeve (15)
and snap ring (16) inside body.
a. Cotter pin (3)
c. Install lever (17) and roll pin (10).
d. Install knob assembly (1) and bracket (2).
e. Install cotter pin (3).
b. Knob and stud assembly (1)
c. Roll pin (10) and lever (17)
d. Snap ring (16) that holds the sleeve (15),
two o-rings (14), push rod (13), o-ring (12),
poppet (11) and spring (9) inside the body
(4).
3. Hook bracket (2) onto the retainer (21). Install
parts on the gun.
4. Reconnect air hose to sealant gun.
e. Unscrew the swivel screw (8) and remove
the o-rings (14), swivel (6) and washer (5).
5. Turn on air supply to sealant gun. Check for
leaks.
Note
The gun handle assembly should not be
disassembled unless the original parts are
worn or damaged.
Gun Handle Assembly (C04079)
1. Place trigger (107) and trigger spring (104) inside
handle (103). Make sure trigger spring is aligned
correctly with trigger.
Gun Handle Disassembly (C04079)
2. Insert spring pin (105) and trigger pin (106) into
holes in handle (103) assembly.
1. Remove the screw (101) and clamp (102) from
the handle (103).
2. Carefully tap the spring pin (105) and trigger pin
(106) out of the handle assembly.
3. Install clamp (102) and screw (101) in handle
(103) assembly.
309968D
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Pistol Grip Guns
Parts
Included Parts and Quantity
Palm Grip Guns
C04093
Sealant
Gun
C04079
Gun
Handle
Assembly
Retainer
(21x)
Gun
Size Part
No.
Included Parts and Quantity
Gun
Part
No.
See
C04093
Sealant Gun
Retainer (21x)
See Retainers
Size
Body
Assembly
2.5 C04074
oz.
1
1
(21a) 1
2.5 C04076
oz.
1
1
1
1
1
1
(21a) 1
(21b) 1
(21c) 1
6
C04087
(21b) 1
6
oz.
C04090
oz.
12 C04068
oz.
Model C04093 Sealant Gun Body Assembly
Ref.
No.
1
2
3
4
5
6
7*
8
Part No. Description
Qty.
Ref.
No.
Part No. Description
Qty.
C04085 Knob and stud assembly
C04072 BRACKET
C19221 Cotter pin
1
1
1
1
1
1
2
1
1
10*+
C20053 Roll pin
C04096 Poppet
C04100 O-ring
C04098 Push rod
1
1
1
1
2
1
1
1
11*
12*
13
14*
15
C04101 Body
C04103
Washer
C04071 Swivel
156454
O-ring
155685
O-ring
C04097 Sleeve
C20404 Snap ring
C04086 Lever
16*
17
C04065 Swivel screw
C04099 Spring
9*
* This part is included in Repair Kit C04094, which
may be purchased separately.
Model C04079 Gun Handle Assembly
Ref.
No.
101
102
103
104
Part No. Description
Qty.
Ref.
No.
105
106
107
Part No. Description
Qty.
C19271 Screw
C04082 Clamp
C04080 Handle
C04083 Trigger spring
1
1
1
1
C20065 Spring pin
C20064 Trigger pin
C04081 Trigger
1
1
1
8
309968D
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Technical Data
Accessories
Brand
Category
Data
Part No.
C04038
Inlet
Connector
Maximum working pressure
100 psi (7
Hansen
0.125 ID x
5 ft air hose
with male Q.D.
inlet
MPa, 0.7 bar)
Outlet port size
Wetted parts
Weight:
1/4 npt(f)
Polyethylene
C04026
0.125 ID x
10 ft air hose
with male Q.D.
inlet
Model C04068
1.52 lb (0.69
Kg) with tube
1 lb. (0.45 Kg)
without tube
Model C04076
Model C04090
1.07 lb. (0.48
Kg)
1.25 lb. (0.57
Kg)
10
309968D
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Graco Standard Warranty
Graco warrants all equipment referenced in this document which is manufactured by Graco and bearing its
name to be free from defects in material and workmanship on the date of sale to the original purchaser for
use. With the exception of any special, extended, or limited warranty published by Graco, Graco will, for a
period of twelve months from the date of sale, repair or replace any part of the equipment determined
by Graco to be defective. This warranty applies only when the equipment is installed, operated and
maintained in accordance with Graco’s written recommendations.
This warranty does not cover, and Graco shall not be liable for general wear and tear, or any malfunction,
damage or wear caused by faulty installation, misapplication, abrasion, corrosion, inadequate or improper
maintenance, negligence, accident, tampering, or substitution of non-Graco component parts. Nor shall
Graco be liable for malfunction, damage or wear caused by the incompatibility of Graco equipment
with structures, accessories, equipment or materials not supplied by Graco, or the improper design,
manufacture, installation, operation or maintenance of structures, accessories, equipment or materials
not supplied by Graco.
This warranty is conditioned upon the prepaid return of the equipment claimed to be defective to an
authorized Graco distributor for verification of the claimed defect. If the claimed defect is verified, Graco
will repair or replace free of charge any defective parts. The equipment will be returned to the original
purchaser transportation prepaid. If inspection of the equipment does not disclose any defect in material
or workmanship, repairs will be made at a reasonable charge, which charges may include the costs of
parts, labor, and transportation.
THIS WARRANTY IS EXCLUSIVE, AND IS IN LIEU OF ANY OTHER WARRANTIES, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO WARRANTY OF MERCHANTABILITY OR WARRANTY
OF FITNESS FOR A PARTICULAR PURPOSE.
Graco’s sole obligation and buyer’s sole remedy for any breach of warranty shall be as set forth above.
The buyer agrees that no other remedy (including, but not limited to, incidental or consequential damages
for lost profits, lost sales, injury to person or property, or any other incidental or consequential loss) shall
be available. Any action for breach of warranty must be brought within two (2) years of the date of sale.
GRACO MAKES NO WARRANTY, AND DISCLAIMS ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, IN CONNECTION WITH
ACCESSORIES, EQUIPMENT, MATERIALS OR COMPONENTS SOLD BUT NOT MANUFACTURED BY
GRACO. These items sold, but not manufactured by Graco (such as electric motors, switches, hose, etc.),
are subject to the warranty, if any, of their manufacturer. Graco will provide purchaser with reasonable
assistance in making any claim for breach of these warranties.
In no event will Graco be liable for indirect, incidental, special or consequential damages resulting from
Graco supplying equipment hereunder, or the furnishing, performance, or use of any products or other
goods sold hereto, whether due to a breach of contract, breach of warranty, the negligence of Graco, or
otherwise.
FOR GRACO CANADA CUSTOMERS
The Parties acknowledge that they have required that the present document, as well as all documents,
notices and legal proceedings entered into, given or instituted pursuant hereto or relating directly or
indirectly hereto, be drawn up in English. Les parties reconnaissent avoir convenu que la rédaction du
présente document sera en Anglais, ainsi que tous documents, avis et procédures judiciaires exécutés,
donnés ou intentés, à la suite de ou en rapport, directement ou indirectement, avec les procédures
concernées.
Graco Information
To place an order, contact your Graco Distributor or call to identify the nearest distributor.
Phone: 612-623-6921 or Toll Free: 1-800-328-0211 Fax: 612-378-3505
All written and visual data contained in this document reflects the latest product information available at the time of publication.
Graco reserves the right to make changes at any time without notice.
Original Instructions. This manual contains English. MM 309968
Graco Headquarters: Minneapolis
International Offices: Belgium, China, Japan, Korea
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440-1441
Copyright 2003, Graco Inc. is registered to ISO 9001; Revised 05/2011
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