AIRLESSCO 24E365 600 Series Use and care manual

3A0413B
EN
Operation/Repair/Parts
Airlessco Mastic Gun
For professional use only.
For the application of architectural paints and coatings.
4000 psi (27.6 MPa, 276 bar) Maximum Working Pressure
Model: 24E365 600 Series Mastic Gun
Includes ARV521 and ARV635 Rev-Tip
Model: 24E382 500 Series Mastic Gun
Includes ARV631 Rev-Tip
Model: 24E470 Mastic Gun
Gun Only (No tip included)
Important Safety Instructions
Readallwarningsandinstructionsinthismanualandinrelatedmanuals.
Be familiar with the controls and the proper usage of the equipment.
Save these instructions.
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23A0413B
Table of Contents
Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Component Identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Pressure Relief Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Gun Trigger Lock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Spraying . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Aligning Spray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Clear Tip Clog . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Cleanup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Disassemble . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Reassemble . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Airlessco Standard Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Warnings
3A0413B 3
Warnings
The following warnings are for the setup, use, grounding, maintenance, and repair of this
equipment.Theexclamationpointsymbolalertsyoutoageneralwarningandthehazardsymbols
refer to procedure-specific risks. When these symbols appear in the body of this manual or on
warninglabels, referbacktotheseWarnings.Product-specifichazard symbols and warnings not
covered in this section may appear throughout the body of this manual where applicable.
FIRE AND EXPLOSION HAZARD
Flammable fumes, such as solvent and paint fumes, in work area can ignite or
explode. Paint or solvent flowing through the equipment can cause static sparking.
To help prevent fire and explosion:
•Use equipment only in well ventilated area.
•Eliminate all ignition sources; such as pilot lights, cigarettes, portable electric
lamps, and plastic drop cloths (potential static arc).
•Ground all equipment in the work area. See Grounding instructions.
•Never spray or flush solvent at high pressure.
•Keep work area free of debris, including solvent, rags and gasoline.
•Donot plugorunplugpowercords,orturnpoweror lightswitchesonoroffwhen
flammable fumes are present.
•Use only grounded hoses.
•Holdgunfirmlytosideofgroundedpailwhentriggeringintopail.Donotusepail
liners unless they are antistatic or conductive.
•Stop operation immediately if static sparking occurs or you feel a shock. Do
not use equipment until you identify and correct the problem.
•Keep a working fire extinguisher in the work area.

Warnings
43A0413B
SKIN INJECTION HAZARD
High-pressure spray is able to inject toxins into the body and cause serious bodily
injury. In the event that injection occurs, get immediate surgical treatment.
•Do not aim the gun at, or spray any person or animal.
•Keephandsandotherbodypartsawayfromthedischarge.Forexample,donot
try to stop leaks with any part of the body.
•Always use the nozzle tip guard. Do not spray without nozzle tip guard in place.
•Use Airlessco nozzle tips.
•Use caution when cleaning and changing nozzle tips. In the case where the
nozzle tip clogs while spraying, follow the Pressure Relief Procedure for
turning off the unit and relieving the pressure before removing the nozzle tip to
clean.
•Equipment maintains pressure after power is shut off. Do not leave the
equipmentenergizedorunderpressurewhileunattended.FollowthePressure
Relief Procedure when the equipment is unattended or not in use, and before
servicing, cleaning, or removing parts.
•Check hoses and parts for signs of damage. Replace any damaged hoses or
parts.
•Thissystemiscapableofproducing 4000 psi. Use Airlessco replacement parts
or accessories that are rated a minimum of 4000 psi.
•Always engage the trigger lock when not spraying. Verify the trigger lock is
functioning properly.
•Verify that all connections are secure before operating the unit.
•Know how to stop the unit and bleed pressure quickly. Be thoroughly familiar
with the controls.

Warnings
3A0413B 5
EQUIPMENT MISUSE HAZARD
Misuse can cause death or serious injury.
•Alwayswear appropriate gloves,eyeprotection,anda respiratorormaskwhen
painting.
•Do not operate or spray near children. Keep children away from equipment at
all times.
•Do not overreach or stand on an unstable support. Keep effective footing and
balance at all times.
•Stay alert and watch what you are doing.
•Donotoperatetheunitwhenfatiguedorunder theinfluenceofdrugsor alcohol.
•Do not kink or over-bend the hose.
•Do not expose the hose to temperatures or to pressures in excess of those
specified by Airlessco.
•Do not use the hose as strength member to pull or lift the equipment.
•Do not spray with a hose shorter than 25 feet.
•Donotaltarormodifyequipment.Alterations or modifications may void agency
approvals and create safety hazards.
•Makesureallequipmentisratedandapprovedfortheenvironmentinwhichyou
are using it.
TOXIC FLUID OR FUMES HAZARD
Toxic fluids or fumes can cause serious injury or death if splashed in the eyes or
on skin, inhaled, or swallowed.
•Read Safety Dara Sheet (SDS) to know the specific hazards of the fluids you
are using.
•Store hazardous fluid in approved containers, and dispose of it according to
applicable guidelines.
RECOIL HAZARD
Gun may recoil when triggered. If you are not standing securely, you could fall and
be seriously injured.
PERSONAL PROTECTIVE EQUIPMENT
Wear appropriate protective equipment when in the work area to help prevent
serious injury, including eye injury, hearing loss, inhalation of toxic fumes, and
burns. Protective 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.

Models
63A0413B
Models
Type, Model No.,
Series MWP Trigger GUARD Tip
Mastic, 24E382,
500 Series 4000 psi
(276 bar, 27.6 MPa) 4-finger trigger 855052 ARV631 Rev-Tip
Mastic, 24E365,
600 Series 4000 psi
(276 bar, 27.6 MPa) 4-finger trigger 855052 ARV521 and ARV635
Rev-Tip
Mastic, 24E470 4000 psi
(276 bar, 27.6 MPa) 4-finger trigger 855052 No Spray Tip.
Order Separately.

Component Identification
3A0413B 7
Component Identification
A Tip guard
B Trigger lock
C Trigger
DTip
E Fluid inlet
E
D
A
C
B
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Operation
83A0413B
Operation
Pressure Relief Procedure
Follow the Pressure Relief
Procedure whenever you see this
symbol.
1. Turn sprayer OFF.
2. Engage the trigger lock. Always engage
the trigger lock when sprayer is stopped
to prevent the gun from being triggered
accidentally.
3. Turn pressure control knob to lowest
setting.
4. Put drain tube into a waste pail and turn
Prime/Spray valve in PRIME position
(drain) to relieve pressure.
5. Hold the gun firmly to a pail. Point gun
into pail. Disengage the trigger lock and
trigger the gun to relieve pressure.
6. Engage the trigger lock.
7. If you suspect the spray tip or hose is
clogged or that pressure has not been
fully relieved:
a. VERY SLOWLY loosen the tip
guard retaining nut or the hose end
coupling to relieve pressure
gradually.
b. Loosen the nut or coupling
completely.
c. Clear the obstruction in the hose or
tip.
Gun Trigger Lock
This equipment stays pressurized until
pressure is manually relieved. To help
prevent serious injury from pressurized
fluid, such as skin injection or splashed
fluid, follow the
Pressure Relief
Procedure
whenever sprayer is stopped
and before sprayer is cleaned or checked,
and before equipment is serviced.
To prevent injury when the gun is not in
use,alwaysengagethegun'striggerlockif
unit is being shut down or left unattended.
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Operation
3A0413B 9
Connect Gun to Sprayer
Make sure sprayer is turned off and
unplugged from power source. Refer to your
sprayer instruction manual for priming and
spray instructions.
1. Attach supply hose to sprayer fluid
outlet.
2. Attach other end of supply hose to gun
inlet. Use two wrenches to tighten all
connections securely.
3. Refer to sprayer instruction manual for
priming instructions.
Installing Tip and Tip Guard on Gun
Makecertainspraytipandguardareinstalled
properly.
1. Perform Pressure Relief Procedure,
page 8.
2. Engage trigger lock.
3. Verify spray tip and tip guard parts are
assembled in the order shown.
a. Use spray tip to align gasket and
seal in the tip guard.
b. Spray tip must be pushed all the
wayintothetipguard.Turnspraytip
to push down.
c. Turn the arrow shaped handle on
the spray tip forward to the spray
position.
4. Screw spray tip and tip guard assembly
on to the gun and tighten.
To avoid serious injury from skin injection,
do not place your hand in front of the spray
tip when installing or removing the spray
tip.
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Operation
10 3A0413B
Spraying
1. Unlock trigger lock.
2. Be sure the arrow shaped tip faces
forward (spray).
3. Hold gun perpendicular and
approximately 12-inches (30 cm) from
surface. Move gun first, then pull gun
trigger to spray a test pattern.
4. Slowly increase pump pressure until
coverage is uniform and even (see
sprayerinstructionmanualforadditional
information).
Aligning Spray
1. Perform Pressure Relief Procedure,
page 8.
2. Loosen tip guard retaining nut.
3. Align tip guard horizontally to spray a
horizontal pattern.
4. Align tip guard vertically to spray a
vertical pattern.
Clear Tip Clog
In the event that particles or debris clog the
spray tip, this sprayer is designed with a
reversible spray tip that quickly and easily
clearstheparticleswithoutdisassemblingthe
sprayer.
1. Engage trigger lock. Rotate spray tip to
unclog position. Disengage trigger lock.
Trigger gun at waste area to clear clog.
NOTE: If spray tip is difficult to rotate when
turning to the unclog position, perform
Pressure Relief Procedure, page 8, then
turn Prime/Spray valve to spray position and
repeat step 1.
2. Engage trigger lock. Rotate spray tip
back to spray position. Disengage
trigger lock and continue spraying.
Cleanup
Flush gun after each work shift and store in a
drylocation.Donotleavethegunoranyparts
in water or cleaning solvents.
Maintenance
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To avoid personal injury, always read all
warnings in this manual, and the
equipment manual, before performing any
maintenance on the gun.
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Repair
3A0413B 11
Repair
Disassemble
NOTE: If replacing only the needle and seat,
steps 4 and 5 are not required. However,
removing them allows you to clean the gun
more thoroughly.
1. Relieve Pressure, page 8.
2. Disconnect fluid hose (A). Remove tip
guard (30). Unscrew spring screw (21)
about 1/4 in. (7 mm) to release spring
tension.
3. Unscrew valve seat (2a). Remove
gasket (2b).
4. Remove one e-clip (27). Push out pin
(18). Remove screw (29), pivot pin (28),
and trigger (25).
5. Remove screws (24).
6. Loosen setscrews (15). Pull fluid
housing (22) away from gun body (1).
To avoid personal injury, always read all
warnings in this manual, and the
equipment manual, before performing any
repairs on the gun.
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2a 2b
28
25
27
29
18
ti15238a 24
22
1
15
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Repair
12 3A0413B
7. While supporting spring guide (16) to
prevent bending needle, loosen
setscrews (17). Remove spring guide
(16).
8. Remove needle (2c). Unscrew seal
retainer (2d). Remove seal (2e).
Cleaning
Clean all parts and cavities thoroughly with
a compatible solvent. Dry with a rag or com-
pressed air. Replace any parts that are worn
or damaged.
Reassemble
1. Lightly grease inner cavities of fluid
housing (22). Install small seal (2e) so
lips face into fluid housing cavity. Install
seal retainer (2d) and torque to 30-40
in-lb (3.4-4.5 N•m).
2. Lightly grease small end of needle (2c).
Guide(2c)intolargeendoffluidhousing
(22).
16
16
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16
17
1
2
3
Lips of seal must face into housing
Grease inner cavity of housing
Torque to 20-30 in-lb (3.4-4.5 N•m)
22
2e
2d
1
2
3
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2c
22

Repair
3A0413B 13
3. Place gasket (2b) on valve seat (2a).
Screw valve seat into fluid housing (22).
Torque to 20-25 ft-lb (27-34 N•m).
4. Install spring guide (16) and seat it
against needle. Loosely thread both
setscrews (17) into spring guide, then
alternatelyandevenlytightensetscrews
to10-15in-lb(1.1-1.6N•m).Fillsetscrew
cavities with petroleum jelly.
5. If spring (19) was removed, grease
spring adjuster (20) and replace spring.
Drop the assembly into gun body (1).
6. Push fluid housing (22) onto gun body
(1) until fully seated. Tighten setscrew
(15) to 30-40 in-lb (3.4-4.5 N•m). Fill
setscrew cavity with petroleum jelly.
7. Install screws (24).
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2a
2b
22
1Grease the threads
2Torque to 20-30 ft-lb
(27-34 N•m) 2
1
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1716
13
1Seat against
needle stem
2Applylightstrength
thread sealant;
Torque evenly to
25-30 in-lb
(2.8-3.4 N•m)
3Fill cavity with
petroleum jelly
3
2
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19
1Grease this side 20
1
15
2
1
22
ti15247a
1
2
Torque to 30-40 in-lb
(3.4-4.5 N•m)
Fill cavity with
petroleum jelly
1
24
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Repair
14 3A0413B
8. Position trigger (25) on gun body. Insert
pivotpin(28)intotophole(A)andsecure
with screw (29) on other side. Place an
e-clip(27)onone endof triggerpin (18).
Slidepin throughlowertriggerholesand
throughslot(B)inspringguide(16).Turn
spring guide to align as needed. Install
other e-clip (27).
9. If spring tension screw (21) was
removed, install it at rear of gun. Thread
screw in until it stops.
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18
28
25
A
B, 16
29
27
Turn in until screw stops
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21
1
1

Parts
3A0413B 15
Parts
24E365, 24E382, 24E470 Texture Airless Spray Gun
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Ref. Part Description Qty.
1 24E455 KIT, gun replacement
handle 1
2 237260 NEEDLE and SEAT KIT
(parts not sold sepa-
rately)
1
2a VALVE SEAT 1
2b GASKET 1
2c NEEDLE 1
2d SEAL RETAINER 1
2e SEAL 1
8 ARV521REV-TIP (Model 24E365) 1
ARV635REV-TIP (Model 24E365) 1
ARV631REV-TIP (Model 24E382) 1
15 102207 SET SCREW, 1/4-20 1
16 189960 SPRING GUIDE 1
17 112729 SET SCREW, soc hd 2
18 189958 TRIGGER PIN 1
19 102924 SPRING 1
20 189990 SPRING ADJUSTER 1
21 110637 ADJUSTING SCREW 1
22 237694 FLUID HOUSING 1
24 112774 SCREW, 1/4-20 2
25 189974 GUN TRIGGER 1
27 112410 E-CLIP 2
28 187965 PIVOT PIN 1
29 203953 SCREW, hex washer hd,
10-24 1
30 855052 KIT, tip guard 1
36 110755 WASHER, flat 2
37 858029 SEAL, metal with o-ring
(Rev-tip) 1
 Replacement Danger and Warning labels,
tags and cards are available at no cost.
Ref. Part Description Qty.

Technical Data
16 3A0413B
Technical Data
US Metric
Dimensions
Weight (includes tip and tip
guard): 25.7 oz. 720 g
Height: 8.0 in. 203 mm
Length (handle extended): 8.25 in. 210 mm
Sprayer
Maximum Working Pressure 4000 psi 276 bar, 27.6 MPa
Fluid Orifice Size 0.125 in. 3.2 mm
Inlet Size 1/4 npt (m)
Fluid tube inside diameter 0.245 in/ 6.2 mm
Wetted parts Tungsten carbide, 17-4PH passivated stainless steel,
polypropylene, polyethylene
Noise Level
Sound Power 93 dBa
Sound Pressure 84 dBa

Notes
3A0413B 17
Notes

Notes
18 3A0413B
Notes

Airlessco Standard Warranty
3A0413B 19
Airlessco Standard Warranty
Airlessco warrants all equipment referenced in this document which is manufactured by Airlessco 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
Airlessco, Airlessco will, for a period of twelve months from the date of sale, repair or replace any part of
the equipment determined by Airlessco to be defective. This warranty applies only when the equipment is
installed, operated and maintained in accordance with Airlessco’s written recommendations.
This warranty does not cover, and Airlessco 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-Airlessco
component parts. Nor shall Airlessco be liable for malfunction, damage or wear caused by the
incompatibility of Airlessco equipment with structures, accessories, equipment or materials not supplied
by Airlessco, or the improper design, manufacture, installation, operation or maintenance of structures,
accessories, equipment or materials not supplied by Airlessco.
This warranty is conditioned upon the prepaid return of the equipment claimed to be defective to an
authorized Airlessco distributor for verification of the claimed defect. If the claimed defect is verified,
Airlessco 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.
Airlessco’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.
AIRLESSCO 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 Airlessco. These items sold, but not manufactured by Airlessco (such as electric motors, switches,
hose, etc.), are subject to the warranty, if any, of their manufacturer. Airlessco will provide purchaser with
reasonable assistance in making any claim for breach of these warranties.
In no event will Airlessco be liable for indirect, incidental, special or consequential damages resulting
from Airlessco 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
Airlessco, or otherwise.
FOR AIRLESSCO 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.

TO PLACE AN ORDER OR FOR SERVICE, contact your Airlessco distributor,
or call 1–800–223-8213 to identify the nearest distributor.
All written and visual data contained in this document reflects the latest product information available at
the time of publication.
Airlessco reserves the right to make changes at any time without notice.
Original Instructions. This manual contains English. MM 3A0413
GRACO INC. AND SUBSIDIARIES • P.O. BOX 1441 • MINNEAPOLIS MN 55440-1441 • USA
Copyright 2010, Graco Inc. All Graco manufacturing locations are registered to ISO 9001.
Revision B, July 2016
Airlessco Information
For the latest information about AIRLESSCO products, visit www.airlessco.com.
For patent information, see www.graco.com/patents.