Graco Inc Paint Sprayer 218688 User Manual

INSTRUCTIONS-PARTS LIST  
307–655  
Rev. D  
This manual contains important  
warnings and information.  
Supersedes Rev. C  
READ AND KEEP FOR REFERENCE.  
INSTRUCTIONS  
Airless Mastic Pole Gun  
3600 psi (252 bar) Maximum Working Pressure  
Model 218–688, Series A  
Spray tip not included; order it separately  
.
See page 7.  
Table of Contents  
Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
2
4
6
7
8
Technical Data  
Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12  
Graco Phone Number . . . . . . . . . . . . . . . . . . . . . . . . . 12  
.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10  
.
6300  
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441  
ECOPYRIGHT 1985, GRACO INC.  
Graco Inc. is registered to I.S. EN ISO 9001  
 
WARNING  
EQUIPMENT MISUSE HAZARD  
Equipment misuse can cause the equipment to rupture, malfunction, or start unexpectedly and result  
INSTRUCTIONS  
in serious injury  
.
D
D
D
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.  
D
D
D
Do not alter or modify this equipment. Use only genuine Graco parts and accessories.  
Check the equipment daily. Repair or replace worn or damaged parts immediately  
.
Do not exceed the maximum working pressure of the lowest rated system component. This equip  
-
ment has a 3600 psi (252 bar) maximum working pressure  
.
D
Route the hoses away from the traffic areas, sharp edges, moving parts, and hot surfaces. Do not  
expose Graco hoses to temperatures above 180_F (82_C) or below –40_F (–40_C).  
Do not use the hoses to pull the equipment.  
D
D
Use only Graco approved hoses. Do not remove hose spring guards, which help protect the hose  
from rupture caused by kinks or bends near the couplings.  
D
Use fluids or solvents that are compatible with the equipment wetted parts. See the Technical  
Data section of all the equipment manuals. Read the fluid and solvent manufacturer  
s warnings.  
D
Comply with all applicable local, state and national fire, electrical and other safety regulations.  
TOXIC FLUID HAZARD  
Hazardous fluids or toxic fumes can cause serious injury or death if splashed in the eyes or on the  
skin, swallowed, or inhaled.  
D
D
Know the specific hazards of the fluid you are using. Read the fluid manufacturers warnings.  
Store hazardous fluid in an approved container. Dispose of hazardous fluid according to all local,  
state and national guidelines.  
D Wear the appropriate protective clothing, gloves, eyewear and respirator  
.
RECOIL HAZARD  
Due to the very high pressure fluid emitted, a strong recoil action will occur when you open the ON/  
OFF lever on the 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  
.
307-655  
3
 
Installation  
5
9
3
7
1
16  
A
17  
06301  
Fig.  
1
Reference numbers and letters in parentheses in the  
text refer to the callouts in the figure drawings and the  
parts drawing.  
1. Install a bleed-type master air valve on the pump  
air supply line, downstream of the pump air regula  
tor, to shut off air to the pump.  
-
2. Install a fluid filter and fluid drain valve close to the  
pump’s fluid outlet. The fluid drain valve assists in  
relieving fluid pressure in the displacement pump,  
hose, and gun.  
WARNING  
INJECTION HAZARD  
T
o reduce the risk of property damage or  
serious injury, including fluid injection,  
which could be caused by component  
rupture or unrelieved fluid pressure,  
3. Install a fluid pressure regulator to control fluid  
pressure to the gun.  
D
A fluid drain valve is required in your system to  
4. Install a fluid shutoff valve to shut off the fluid  
supply to the gun.  
assist in relieving fluid pressure in the displace  
ment pump, hose and gun; triggering the gun to  
relieve pressure may not be sufficient.  
-
5. Connect a grounded fluid hose to the gun fluid  
inlet.  
D
The bleed-type master air valve is required in  
your system to relieve air trapped between this  
valve and the pump after the air regulator is  
closed. Trapped air can cause the pump to  
6. Without the tip installed, start the pump or sprayer  
and flush it according to the pump or sprayer  
instructions. Prime the pump or sprayer with the  
cycle unexpectedly, which could result in seri  
-
ous injury  
.
fluid you are going to spray  
.
Continued on the next page.  
4
307-655  
 
Installation  
7. Follow the Pressure Relief Procedure on  
The following grounding instructions are minimum  
requirements for a system. Your system may include  
other equipment or objects which must be grounded.  
Check your local electrical code for detailed grounding  
instructions for your area and type of equipment. Your  
system must be connected to a true earth ground.  
page 6.  
8. Engage the gun safety ring (20), see Fig. 2,  
page 6.  
1. Pump/Sprayer: Ground the pump/sprayer by  
9. Unscrew the tip guard (17) and install the spray tip  
(A) and gasket (16) in the tip guard nut. See Fig. 1,  
page 4.  
connecting a ground wire and clamp between the  
pump/sprayer and a true earth ground as in  
-
structed in the equipment’s instruction manual.  
2. Air compressor: Ground according to the  
NOTE: The gun will leak if the tip gasket (16) is not  
installed.  
manufacturer recommendations.  
3. Air and fluid hoses: Use only grounded hoses  
with a maximum of 500 feet (150 m) combined  
hose length to ensure grounding continuity. Check  
the electrical resistance of your air and fluid hoses  
at least once a week. If the resistance exceeds the  
10. Disconnect the harness (7) clip from the gun  
ring (5).  
11. Place the harness (7) over one shoulder and  
across the chest. Fasten the belt around the waist.  
Adjust the length of the shoulder strap as needed.  
recommended limits, replace the hose immedi  
ately.  
-
4. Pole gun: Ground the gun by connecting it to a  
properly grounded fluid hose and pump.  
12. Check that the handle grip (9) is in a comfortable  
position. To adjust it, loosen the screw (3) and nut  
(1), rotate the grip to a good position, and firmly  
tighten the screw and nut.  
5. Fluid supply container: Ground it according to  
local code.  
6. Object being sprayed: Ground it according to  
local code.  
Ground the System  
7. All solvent pails used when flushing: Ground  
them according to local code. Use only metal pails,  
which are conductive. Do not place the pail on a  
WARNING  
non-conductive surface, such as paper or card  
-
FIRE AND EXPLOSION HAZARD  
Improper grounding could cause static  
sparking, which could cause a fire or  
explosion. To reduce the risk of property  
damage or serious injury, follow the  
board, which interrupts the grounding continuity  
.
8. To maintain grounding continuity when flush-  
ing or relieving pressure: Always hold a metal  
part of the gun firmly to the side of a grounded  
metal pail, then trigger the gun.  
grounding instructions below  
.
307-655  
5
 
Operation  
Safety  
Pressure Relief Procedure  
WARNING  
INJECTION HAZARD  
Remember, this is not an air spray gun.  
For your safety be sure to read and  
follow the Warnings on pages 2 and 3  
WARNING  
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:  
and throughout the text of this instruction manual.  
Keep the wallet sized warning card 179–960,  
provided with the gun, with the operator of this  
equipment at all times. The card contains important  
treatment information should an injection injury  
occur. Additional cards are available at no charge  
from Graco.  
D
D
D
D
are instructed to relieve the pressure,  
stop spraying,  
check or service any of the system equipment,  
or install or clean the spray tip.  
Opening and Closing the ON/OFF Lever  
Always fully open or fully close the ON/OFF lever (B).  
Any other position will quickly damage the valve seat,  
and the ON/OFF ball valve (8) may not completely  
stop the flow of fluid when closed.  
1. Fully close the gun ON/OFF lever (B). See Fig. 2.  
T
o open the ON/OFF lever (B), slide the safety ring  
2. Slide the safety ring (20) over the gun ON/OFF  
lever.  
(20) off the lever and pull the lever completely back,  
toward yourself. See Fig. 2.  
3. Close the pump air regulator  
.
To close the ON/OFF lever (B), push the lever com  
-
pletely forward, toward the spray tip, and slide the  
safety ring (20) over the lever. See Fig. 2.  
4. Close the bleed-type master air valve (required in  
the system).  
1
B
5. Slide the safety ring off the gun ON/OFF lever  
.
6. Hold a metal part of the gun firmly to the side of a  
grounded metal waste container and open the gun  
ON/OFF lever to relieve the fluid pressure.  
8
7. Fully close the gun ON/OFF lever, and slide the  
safety ring over the lever  
.
20  
8. Open the pump drain valve (required in the sys  
-
tem) to help relieve fluid pressure in the displace  
-
ment pump. Triggering the gun to relieve pressure  
may not be sufficient. Have a container ready to  
catch the drainage.  
9. Leave the drain valve open until you are ready to  
spray again.  
2
B
10. If you suspect that the spray tip or hose is com  
-
pletely clogged or that pressure has not been fully  
relieved after following the steps above, very  
slowly loosen the hose end coupling and relieve  
pressure gradually, then loosen the coupling  
completely. Now clear the tip or hose obstruction.  
1
ON/OFF lever in open position.  
2
ON/OFF lever in closed position.  
06302  
Fig. 2  
6
307-655  
 
Operation  
Spraying  
CAUTION  
WARNING  
T
o reduce the risk of damage to the tip guard, never  
hang the gun by the tip guard. Any damage to the  
sharp edges of the openings in the tip guard will  
cause paint to collect at that area.  
RECOIL HAZARD  
Due to the very high pressure fluid  
emitted, a strong recoil action will occur  
when you open the ON/OFF lever on  
Spray Tip Selection Chart  
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  
.
Orifice  
Size  
Tip  
Fan Pattern at Part No. Use Tip  
Grasp the gun grip firmly with one hand, be sure  
you have good footing, before opening the ON/  
OFF lever with your other hand.  
Size 12 in. (305 mm)  
Guard  
0.072 in.  
(1.83 mm)  
flat  
flat  
flat  
ball  
ball  
ball  
14–16 in.  
180–727 220–222*  
(356–406 mm)  
0.062 in.  
(1.57 mm)  
14–16 in.  
(356–406 mm)  
160–950 220–222*  
164–438 220–222*  
205–746 205–649**  
205–976 205–649**  
207–017 205–649**  
WARNING  
INJECTION HAZARD  
0.052 in.  
(1.32 mm)  
14–16 in.  
(356–406 mm)  
To reduce the risk of a fluid injection  
0.053 in.  
(1.35 mm)  
14–16 in.  
(356–406 mm)  
injury, follow the Pressure Relief Proce  
dure on page 6 before removing or  
-
0.063 in.  
(1.60 mm)  
14–16 in.  
(356–406 mm)  
installing a spray tip and whenever you are  
instructed to relieve pressure.  
0.071 in.  
12–14 in.  
1. Before starting the pump, be sure the ON/OFF  
lever is closed. See Fig. 2.  
(1.80 mm)  
(305–356 mm)  
* . Supplied with the mastic flow control.  
2. Turn on the air to the pump to the minimum air  
pressure needed.  
** Reverse-A-Clean I Tip Guard Kit must be purchased  
separately.  
3. Hold a metal part of the pole gun firmly to the side  
of the metal supply drum, with the nozzle pointed  
into the drum.  
Service  
4. Grasp the gun grip (9–see Fig. 1, page 4) firmly  
with one hand. Be sure you have good footing,  
then open the ON/OFF lever with your other hand.  
WARNING  
INJECTION HAZARD  
o reduce the risk of a fluid injection  
injury, follow the Pressure Relief Proce  
5. Operate the pump slowly until the entire system is  
primed and all air has been pushed out of the  
pump and hoses.  
T
-
dure on page 6 before checking or  
servicing any of the system equipment and when  
ever you are instructed to relieve pressure.  
6. Close the ON/OFF lever and follow the Pressure  
Relief Procedure on page 6.  
-
7. With the pressure fully relieved, install the spray tip  
and tip guard. See the chart to the right to select  
an appropriate spray tip.  
Repair Kit 218–692 is available for repairing part no.  
181–253 Ball Valve. See page 9.  
307-655  
7
 
Parts  
1
6
18  
10  
5
4
3
8
25  
20  
3
2
1
12  
9
2
1
13  
11  
7
14  
15  
2
16  
4
17  
1
1/2-14 npsm threads  
06304  
2
3
T
orque to 20–25 ft-lb (27–34 NSm)  
If replacing the ball valve (8) transfer the serial number to the  
new valve.  
4
Purchase spray tip separately. See Spray Tip Selection  
Chart, page 7.  
8
307-655  
 
Parts  
Use Only Genuine Graco Parts and Accessories  
Airless Mastic Pole Gun  
Model 218–688, Series A  
Ref.  
Ref.  
No.  
Part No. Description  
Qty.  
No.  
Part No. Description  
Qty.  
1
2
3
100–015 NUT, hex, 1/4–20  
100–016 LOCKWASHER, 1/2 in.  
100–021 SCREW, cap, hex head,  
1/4 npt x 1.0 in.  
100–333 SCREW, cap, hex head,  
1/4 npt x 0.5 in.  
108–061 RING, spring  
108–060 UNION, adapter, straight,  
3/8 npt(f) x 1/2 npsm(f)  
108–064 STRAP, harness  
181–253 VALVE, ball, 3/8 npt,  
with warning label  
2
2
13  
14  
15  
180–724 HANDLE  
1
1
168–845 GASKET, copper  
165–973 ADAPTER, seat, valve,  
7/8 unf x 1/2 unf  
1
1
1
1
4
16  
17  
18  
20  
166–969  
WASHER, non-metallic, 1/4 in.  
1
1
220–222 TIP GUARD  
054–129 PVC TUBING  
180–742 RING  
5
6
4 in.  
1
1
1
21Y 172–479  
TAG, warning  
1
1
1
1
7
8
22Y 179–960  
WARNING CARD (not shown)  
25Y 181–245 PLATE, warning and serial  
1
1
1
1
1
27Y 181–314  
TAG, warning (not shown)  
9
108–063 GRIP, handle  
180–723 TUBE, spray  
180–725 TUBE, spray  
180–726 CLAMP, tube  
10  
11  
12  
Y
Replacement Warning labels, tags and cards are  
available at no cost.  
Valve Repair Kit 218–692  
For repairing valve 181–253.  
Includes items A through D;  
individual parts not sold separately  
.
A
B
D
C
B
A
06303  
307-655  
9
 
Technical Data  
Manual Change  
Summary  
Maximum  
W
orking Pressure . . . . . 3600 psi (252 bar)  
.
Wetted Parts . . . . . . Zinc-plated carbon steel, steel,  
Delrinr, buna-n, copper  
The manual was revised to eliminate the ball from part  
no. 218–692 Valve Repair Kit.  
Delrinr is a registered trademark of the DuPont Company  
.
10 307-655  
 
Notes  
307-655  
11  
 
Graco  
Warranty and Limitation of Liability  
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. 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 defec  
tive. This warranty applies only when the equipment is installed, operated and maintained in accordance with Graco’s written rec-  
ommendations.  
-
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 im  
-
proper design, manufacture, installation, operation or maintenance of structures, accessories, equipment or materials not sup  
-
plied 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 PUR-  
POSE.  
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 prop  
-
erty, 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 assis  
-
tance in making any claim for breach of these warranties.  
For Sales to Canadian Customers:  
Except as expressly stated herein, Graco makers no representations, warranties or conditions, express, implied or collateral, con  
-
cerning any goods or services sold, and GRACO SHALL NOT BE LIABLE IN ANY MANNER FOR any other representation,  
warranty or condition of any kind, whether arising by operation of law or otherwise, including but not limited to, WARRANTIES OF  
MERCHANTABLE QUALITY OR FITNESS FOR A PARTICULAR PURPOSE.  
LIMITATION OF LIABILITY  
In no event will Graco be liable for indirect, incidental, special or consequential damages resulting from Graco supplying equip  
-
ment hereunder, or for 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.  
Graco Phone Number  
TO PLACE AN ORDER, contact your Graco distributor, or  
call this number to identify the distributor closest to you:  
1–800–367–4023 Toll Free  
Sales Offices: Atlanta, Chicago, Detroit, Los Angeles  
Foreign Offices: Belgium, Canada, England, Korea, Switzerland, France, Germany, Hong Kong, Japan  
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441  
PRINTED IN U.S.A. 307–655 February 1985, Revised May 1996  
12 307-655  
 

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