This symbol alerts you to the possibility of damage to
or destruction of equipment if you do not follow the
instructions.
Improper grounding, poor ventilation, open flames or sparks can cause a hazardous condition and
result in a fire or explosion and serious injury.
If there is any static sparking or you feel an electric shock while using this equipment, stop
spraying immediately. Do not use the equipment until you identify and correct the problem.
Provide fresh air ventilation to avoid the buildup of flammable fumes from solvents or the fluid
being sprayed.
Keep the spray area free of debris, including solvent, rags, and gasoline.
Electrically disconnect all equipment in the spray area.
Extinguish all open flames or pilot lights in the spray area.
Do not smoke in the spray area.
Do not turn on or off any light switch in the spray area while operating or if fumes are present.
Do not operate a gasoline engine in the spray area.
Ground the equipment and the object being sprayed. See Grounding on page 5.
2307614
Page 3
WARNINGWARNING
INJECTION HAZARD
Spray from the gun, leaks or ruptured components can inject fluid into your body and cause extremely serious injury, including the need for amputation. Fluid splashed in the eyes or on the skin
can also cause serious injury.
Fluid injected into the skin is a serious injury. The injury may look like just a cut, but it is a serious
injury. Get immediate medical attention.
Do not point the gun at anyone or at any part of the body.
Do not put your hand or fingers over the spray tip.
Do not stop or deflect leaks with your hand, body, glove or rag.
Do not “blow back” fluid; this is not an air spray system.
Always have the tip guard and the trigger guard on the gun when spraying.
Check the gun diffuser operation weekly. Refer to the gun manual.
Be sure the gun trigger safety operates before spraying.
Lock the gun trigger safety when you stop spraying.
Follow the Pressure Relief Procedure on page 5 if the spray tip clogs and before cleaning,
checking or servicing the equipment.
Tighten all fluid connections before operating the equipment.
Check the hoses, tubes, and couplings daily. Replace worn or damaged parts immediately. Do
not repair high pressure couplings; you must replace the entire hose.
Fluid hoses must have spring guards on both ends, to help protect them from rupture caused by
kinks or bends near the couplings.
TOXIC FLUID HAZARD
Hazardous fluid or toxic fumes can cause serious injury or death if splashed in the eyes or on the
skin, inhaled, or swallowed.
Know the specific hazards of the fluid you are using.
Store hazardous fluid in an approved container. Dispose of hazardous fluid according to all local,
state and national guidelines.
Always wear protective eyewear, gloves, clothing and respirator as recommended by the fluid
and solvent manufacturer.
RECOIL HAZARD
Due to the high pressure fluid emitted, a strong recoil action may occur when you trigger this gun. If
you are unprepared, your hand could be forced back toward your body or you could lose your balance and fall, resulting in serious injury.
3076143
Page 4
INSTRUCTIONS
WARNINGWARNING
EQUIPMENT MISUSE HAZARD
Equipment misuse can cause the equipment to rupture or malfunction and result in serious injury.
This equipment is for professional use only.
Read all instruction manuals, tags, and labels before operating the equipment.
Use the equipment only for its intended purpose. If you are uncertain about usage, call your
Graco distributor.
Do not alter or modify this equipment.
Check equipment daily. Repair or replace worn or damaged parts immediately.
Do not exceed the maximum working pressure of the lowest rated system component. Refer to
the Technical Data on page 15 for the maximum working pressure of this equipment.
Use fluids and solvents which are compatible with the equipment wetted parts. Refer to the
Technical Data section of all equipment manuals. Read the fluid and solvent manufacturer’s
warnings.
Do not use 1,1,1–trichloroethane, methylene chloride, other halogenated hydrocarbon solvents or
fluids containing such solvents in pressurized aluminum equipment. Such use could result in a
chemical reaction, with the possibility of explosion.
Do not use hoses to pull equipment.
Route hoses away from traffic areas, sharp edges, moving parts, and hot surfaces. Do not ex-
pose Graco hoses to temperatures above 82C (180F) or below –40C (–40F).
Do not lift pressurized equipment.
Comply with all applicable local, state, and national fire, electrical, and safety regulations.
Wear ear protection when operating this equipment.
4307614
Page 5
System Requirements
Installation/Operation
WARNING
WARNING
Keep the wallet-sized warning card provided with
this gun with the operator at all times. The card
contains important treatment information should an
injection injury occur. Additional cards are available
at no charge from Graco Inc.
WARNING
Be sure your system has a bleed-type master air
valve (pneumatic pumps only) and a pressure drain
valve. These accessories help reduce the risk of
serious bodily injury, including fluid injection,
splashing in the eyes or on the skin, or injury from
moving parts, if you are adjusting or repairing the
pump or gun.
1. The bleed-type master air valve (air-powered
pumps only) relieves air trapped between this
valve and the pump after the air regulator is shut
off. Trapped air can cause the pump to cycle
unexpectedly.
2. The pressure drain valve assists in relieving fluid
pressure in the displacement pump, hose and gun:
triggering the gun to relieve pressure may not be
sufficient.
3. Strain the fluid you are spraying if it contains
particles which could clog the spray tip.
INJECTION HAZARD
The system pressure must be manually
relieved to prevent the system from
starting or spraying accidentally. Fluid
under high pressure can be injected through the
skin and cause serious injury. To reduce the risk of
an injury from injection, splashing fluid, or moving
parts, follow the Pressure Relief Procedure
whenever you:
are instructed to relieve the pressure,
stop spraying,
check or service any of the system equipment,
or install or clean the spray tip.
Pressure Relief Procedure
1. Engage the gun safety latch.
2. Turn the ON/OFF switch to OFF.
3. Unplug the power supply cord.
4. Disengage the gun safety latch. Hold a metal part
of the gun firmly to a grounded metal pail. Trigger
the gun to relieve pressure.
5. Engage the gun safety latch.
6. Open the system pressure drain valve. Leave the
pressure drain valve open until you are ready to
spray again.
If you suspect that the spray tip or hose is completely
clogged, or that pressure has not been fully relieved
after following the steps above, VERY SLOWLY loos-
en the tip guard retaining nut or hose end coupling to
relieve pressure gradually, then loosen completely.
Now clear the tip or hose obstruction.
Grounding
To reduce the risk of static sparking, ground the sprayer and all other spray equipment used or located in the
spray area. Check your local electrical code for detailed grounding instructions for your area and type of
equipment.
How to Use the Gun Trigger Safety
1. To engage the gun trigger safety, turn the latch to
a right angle with the gun body. See Fig. 1.
2. To disengage the gun trigger safety, push the latch
out and turn it parallel with the gun body.
ENGAGED
DISENGAGED
03008
Fig. 1
3076145
Page 6
Installation/Operation
How to Use the Gun
1. Connect a grounded fluid hose to the gun inlet.
See Fig. 2
2. With no tip installed, start the pump. Flush the
pump according to the instructions supplied with it.
Prime the system with the fluid.
3. Follow the Pressure Relief Procedure on
page 5. Be sure the gun trigger safety is locked.
See Fig. 1.
4. Models 217593 & 235990: unscrew the tip guard
(3) and install the tip (A) and the gasket (2) in the
nut of the tip guard. Screw the assembly firmly
onto the gun. Tighten the assembly with a wrench.
See Fig. 2.
NOTE: If the gasket (2) is not installed, the gun will
leak.
5. Models 220955 and 820165: install the SwitchTip
(40) and the tip guard (41). See manual 308644,
supplied. See Fig. 2.
7. If adjusting the pressure does not give a good
spray pattern, follow the Pressure Relief Proce-dure on page 5 and then try another tip size.
8. Use a full-open, full-close triggering action. Hold
the gun about 14 in. (350 mm) from and at right
angles to the work surface. Don’t swing the gun in
an arc. Practice to find the best length and speed
of stroke.
How to Adjust the Spray Pattern
1. To adjust the spray pattern direction, follow the
Pressure Relief Procedure on page 5. Loosen
the tip guard retaining nut (B). Turn the tip guard/
tip groove horizontally (C) for a horizontal pattern
and vertically (A) for a vertical pattern. Tighten the
nut.
2. The spray tip orifice and spray angle determines
the coverage and size of pattern. When more
coverage is needed, use a larger spray tip rather
than increasing fluid pressure.
41
40
2
A
Fig. 2
6. Start the pump. Adjust the fluid pressure until the
spray is completely atomized. Use the lowest
pressure necessary to get the desired results.
Higher pressure may not improve the spray pattern
and will cause premature tip wear and pump wear.
3
03009
CAUTION
The openings in the tip guard reduce paint buildup on
the tip guard while spraying. Any damage to the
sharp edges of the openings causes paint to collect
at that area. Never hang the gun by the tip guard.
KEY
ATip guard shown in position for
vertical spray pattern
BRetaining nut
CTip guard shown in position for
horizontal spray pattern
B
A
Fig. 3
C
03003
6307614
Page 7
Installation/Operation
How to Clean the Spray Tip
and Clear a Spray Tip Obstruction
WARNING
To reduce the risk of fluid injection or splashing in
the eyes or on the skin, do not hold a hand, body
or rag in front of the spray tip when cleaning or
checking a clogged tip. Point the gun toward the
ground or into a waste container when checking to
see if the spray tip is cleared.
DO NOT try to “blow back” paint; this is NOT an air
spray gun.
DO NOT wipe fluid buildup off the gun or spray tip
until pressure is relieved.
Cleaning during the day.
1. Follow Pressure Relief Procedure on page 5.
2. Clean the front of the tip frequently during the day
to help reduce buildup. Also clean the tip and tip
guard at the end of each work day. Use a solventsoaked brush to clean the spray tip.
2. Remove the spray tip and blow out the obstruction
by applying air to the front of the spray tip. Or, let
the spray tip and gun nozzle soak to dissolve the
obstruction. If it won’t dissolve, jar it out by tapping
the back of the spray tip against a flat surface.
Gun 220955 & 820165 – with RAC guard
1. Lock the gun trigger safety. Rotate the RAC guard
handle 180. See Fig. 4.
2. Unlock the gun trigger safety. Trigger the gun into
a pail or onto the ground to remove the clog.
3. Lock the gun trigger safety. Rotate the tip handle
to the spraying position.
4. If the tip is still clogged, lock the gun trigger safety,
shut off the sprayer and disconnect the power
source, and open the pressure drain valve to
relieve pressure. Clean the spray tip as shown in
manual 308644, supplied with the RAC guard.
Clearing an obstruction.
If the spray tip clogs while spraying, immediately stop
spraying, then:
Gun 217593 & 235990 – with standard tip guard
1. Lock the gun trigger safety, open the pressure
drain valve.
CAUTION
Never soak the entire gun in solvent. Prolonged
exposure to solvent can ruin the packings.
A
KEY
AHandle shown in spraying
position. Turn handle
180 and
trigger gun to clear clog.
Fig. 4
7659A
3076147
Page 8
Installation/Operation
How to Check the Gun Diffuser Operation
Check the diffuser operation weekly. The gun diffuser/
seat (A) breaks up spray and reduces the risk of fluid
injection when the tip is not installed. Perform the test
below. If it fails, replace the entire Needle Kit, Part No.
218070, as instructed on page 7. Diffuser/seats are not
sold separately since the gun will leak if an old needle
is used with a new diffuser/seat.
1. Follow Pressure Relief Procedure on page 5.
2. Remove the tip guard and spray tip.
3. Start the sprayer and adjust it to the lowest
pressure.
4. Aim the gun into a grounded metal pail while
holding it firmly to the pail. Trigger the gun. If the
fluid emitted is not diffused into an irregular
stream, replace the entire needle kit immediately.
See Fig. 5.
How to Clean the Filter (See Fig. 6.)
Normal daily system flushing removes most buildup on
the filter (17). For a weekly cleaning:
1. Follow Pressure Relief Procedure on page 5.
5. Apply lithium-base grease to the threads of the
fluid tube (19) and reassemble the gun.
A
Fig. 5
26
19
5
2. Remove the screw (14).
3. Push up on the trigger guard (12) and swing it
away from the trigger (5).
4. Unscrew the gun handle from the housing (26).
Remove the filter and clean it in compatible
solvent.
12
Fig. 6
14
03010
8307614
Page 9
How to Flush the Gun
WARNING
Installation/Operation
Always flush the pump and the gun before the fluid
being sprayed can dry in it.
To reduce the risk of serious bodily
injury, including splashing fluid in the
eyes or on the skin, or static electric
discharge when flushing:
Be sure the entire system, including flushing
pails, are properly grounded.
Remove the tip guard and spray tip.
Maintain metal to metal contact between the
gun and the flushing pail.
Use the lowest possible pressure.
NOTE: If it is available, the flushing procedure
provided in your pump or sprayer manual should be
used instead of this procedure.
1. Follow Pressure Relief Procedure on page 5.
2. Remove the tip guard and spray tip. Soak and
clean the parts.
3. Put the pump intake in a grounded pail of water or
solvent.
4. Start the pump at its lowest pressure.
5. Trigger the gun into the original pail. When solvent
appears, release the trigger.
6. Now trigger the gun into the solvent pail. Circulate
the fluid until the system is thoroughly flushed.
7. Follow Pressure Relief Procedure on page 5.
3076149
Page 10
Service
D
23
C
B
1
A
Torque to 26–32 ft-
1
lb (35–43 N.m)
2
Torque to 80–90 in-lb
(9–10 N.m)
Fig. 7
NOTE: The needle (C), diffuser/seat (A), gasket (B)
and locknut (D) must be replaced together. They are
included in Kit 218070.
Disassembly(See Fig 7 )
1. Follow the Pressure Relief Procedure on page
5.
2. Remove the tip guard assembly. See Fig 2.
3. Squeeze the trigger while unscrewing the diffuser/
seat (A) and gasket (B).
4. If the gun handle (6) was removed, hand tighten it
into the fluid housing (26); it should fit easily. Only
if necessary, loosen the setscrew (4), align the
handle with the fluid housing and torque the
setscrew to 80–90 in-lb (9–10 N.m).
4
5. Adjust the needle before using the gun. Procedure
below.
6. Be sure the trigger guard and tip guard are
installed before using the gun.
Adjusting the needle (See Fig 8)
1. Engage the gun safety latch.
2. Hold the gun with the nozzle straight up so the
trigger falls onto the safety latch.
3. With light pressure, hold the trigger against the
latch. Turn the locknut (D) clockwise until there is
enough tension for you to feel and see the trigger
raise slightly off the latch.
4. Turn the adjusting nut 3/4 turn counterclockwise.
5. Connect the fluid hose. Install the tip guard and
prime the system. Trigger the gun and release it.
The fluid flow should stop immediately. Engage the
safety latch and try to trigger the gun. No fluid
should flow. If the gun fails either test, relieve
pressure, disconnect the hose and readjust the
needle.
4. Remove the locknut (D) and end cap (23).
5. Tap the rear of the gun with a plastic mallet to
push the needle assembly out the front.
Reassembly (See Fig 7)
1. Guide the threaded end of the needle assembly
into the front of the gun.
2. Install the end cap, aligning its guides with the
holes in the rear of the gun. Install the locknut (D)
loosely.
3. Squeeze the trigger while installing the gasket (B)
and diffuser/seat (A). Torque the diffuser seat to
26–32 ft-lb (35–43 N.m).
Engage trigger
1
safety latch
Arrows indicate
2
clockwise turn
Fig 8
1
D
2
01705
10307614
Page 11
Notes
30761411
Page 12
Model 220955, Series D
Includes items 1 and 4 to 41
Model 235990, Series C
Includes items 1 to 39
Model 217593, Series E
Includes items 1 to 39
Model 820165, Series D
Includes items 1 to 39
Parts Drawing
32
1
26
33
23
Included with 1
18
31
22
40
41
21
5
4
6
37
2
1
3
Purchase separately
1
12
13
14
15
19
20
16
03013
12307614
Page 13
Parts List
Model 220955, Series D; Model 235990, Series C; Model 217593, Series E; Model 820165, Series D
3000 psi (210 bar, 21 MPa)
Maximum Working Pressure.
Adequate filtering is important for a good surface finish
and to minimize tip clogging. These filters provide
secondary filtering. Elements are available in various
mesh sizes.
Mounts in hose
213068Includes filter body, spring and one
100 mesh screen.
213069Includes filter spring and one
60 mesh screen.
Use with above filter body.
210742Includes filter spring and one
100 mesh screen.
Use with above filter body.
210729Includes assembly 213068 plus a
3 ft (0.9 m) whip hose for more
flexible gun movement.
Standard filter elements
224455Two, 50 mesh filters (179731)
224456Two, 100 mesh filters (179732)
Mounts between hose and gun
210500Includes swivel, adapter and one
60 mesh screen
Replacement elements for above filters
SWIVELS and WHIP HOSES
Swivels and whip hoses provide more flexible gun
movement for easier handling and less fatigue.
Working pressures are listed in the descriptions.
214925Swivel, 1/4 npsm x 3/8 npt(f)
5000 psi (350 bar, 35 MPa)
Max. Working Pressure
207946Swivel, 1/2 npsm x 3/8 npt(f)
5000 psi (350 bar, 35 MPa)
Max. Working Pressure
204940Swivel, 1/4 npt x 1/4 npsm
3000 psi (210 bar, 21 MPa)
Max. Working Pressure
214701Whip hose, nylon, coupled 1/4 npsm(f)
x 3/8 npt(m), spring guards both ends.
3000 psi (210 bar, 21 MPa)
Max. Working Pressure
TIP GUARDS
These tip guards fit all Graco airless spray guns.
Choose the one that’s right for your application. One of
these tip guards is included with every Graco airless
gun.
237859Performance Series Reverse–A–Clean
DripLess Guard.
Order SwitchTip separately.
See your distributor for available sizes.
* Measured while spraying waterbase paint – gravity
1.36 through a 517 tip at 3,000 psi (207 bar).
Per ISO 3744
F(50 C). . . . . . .
Graco Phone
Number
TO PLACE AN ORDER, contact your Graco distributor, or call this number to identify the distributor
closest to you: 1–800–690–2894 Toll Free.
Manual Change
Summary
Changed Revision level of manual from P to R per
ECO Z000496.
Page 16
Graco Warranty
Graco warrants all equipment listed in this manual which is manufactured by Graco and bearing its name to be free from defects in
material and workmanship on the date of sale by an authorized Graco distributor 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 or 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.
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, gas engines,
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.
ADDITIONAL WARRANTY COVERAGE
Graco does provide extended warranty and wear warranty for products described in the “Graco Contractor Equipment Warranty
Program”.
All information, illustrations and specifications in this document are based on the latest product information available at the time
of publication. The right is reserved to make changes at any time without notice.
Foreign Offices: Belgium, Korea, Hong Kong, Japan
Sales Offices: Minneapolis, Detroit
GRACO INC.P.O. BOX 1441MINNEAPOLIS, MN55440–1441
http://www.graco.com
PRINTED IN U.S.A. 307614 May 1983, Revised October 1999
16307614
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