Graco RTX 900 Operating instructions
Graco Inc. P.O. Box 1441 Minneapolis, MN 55440-1441
Copyright 2006, Graco Inc. is registered to I.S. EN ISO 9001
For Water-Based Materials Only
Models: 254974 and 254975
70 psi (0.49 MPa, 4.9 bar)
Maximum Fluid Working Pressure
Related Manuals
Important Safety Instructions
Read all warnings and instructions in this manual.
Save these instructions.
311777
311768
Model 254975 Shown
ti8867a
311772G
Repair
Interior Texture Sprayers
RTX 900 & RTX 1250
U
S
C
Conforms to ANSI/UL
standard 1450
Warnings
2311772G
Warnings
The following are general warnings related to the setup, use, grounding, maintenance and repair of this equipment.
Additional, more specific warnings may be found throughout the body of this manual where applicable. Symbols
appearing in the body of the manual refer to these general warnings. When these symbols appear through the
manual, refer back to these pages for a description of the specific hazard.
Warnings
Fire and Explosion Hazard
Improper grounding, poor ventilation, open flames or sparks can cause a hazardous condition and result
in fire or explosion and serious injury.
• The system is for use with water-based materials only. Only use fluids compatible with the
equipment. Refer to Technical Data of all equipment manuals. Read fluid and solvent manufacturers
warnings.
• Ground all equipment in the work area. See Grounding and Electrical Requirements, page 6.
• 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.
• Keep work area free of debris, including solvent, rags and gasoline.
• Comply with all applicable state and national fire, electrical and safety regulations.
• Keep a fire extinguisher in the work area.
Equipment Misuse Hazard
Equipment misuse can cause equipment to rupture, malfunction, or start unexpectedly and cause serious
injury.
• Before operating this equipment, read all manuals, tags, and labels, including material labels and
instructions.
• Do not expose system to rain. Always store system indoors.
• Do not alter or modify equipment.
• Do not spray cementitious materials.
• Do not exceed maximum working pressure of lowest rated component in your system.
• Check equipment daily. Repair or replace worn or damaged parts immediately.
• To reduce risk of serious injury, including electric shock and splashing fluid in eyes, follow Pressure
Relief Procedure on page 6 before servicing the unit.
• Do not kink or over bend hoses or use hoses to pull equipment.
• Route hoses away from traffic areas, sharp edges, moving parts and hot surfaces. Do not expose
Graco hoses to temperatures above 130° F (55° C) or below -35° F (-37° C).
• Air hoses at the compressor end, can get very hot! Allow sprayer to cool down 15 minutes before
removing air hose.
• Store hazardous fluid in an approved container. Dispose of hazardous fluid according to all local,
state and national guidelines.
• Never directly inhale compressed air. Compressed air may contain toxic vapors.
Warnings
311772G 3
Electric Shock Hazard
To reduce the risk of electric shock:
• Be sure sprayer is adequately grounded through electrical outlet, page 6.
• Use only 3-wire, extension cords.
• Make sure ground prongs are intact on sprayer and extension cords.
• Do not operate with cover removed.
• Turn off sprayer. Follow Pressure Relief Procedure, page 6, and unplug unit, before removing any
parts.
Pressurized Equipment Hazard
Fluid from gun, leaks or ruptured components can splash in the eyes or on skin and cause serious injury.
• Follow Pressure Relief Procedure, page 6 when you stop spraying and before cleaning, checking
or servicing.
• Do not point spray gun at anyone; put hand, fingers or rag over nozzle, or stop or deflect leaks with
your hand, body, glove, or rag.
• Wear protective clothing, gloves, and eyewear.
Cleaning Solvent Hazard with Plastic Parts
Use only compatible water-based solvents to clean plastic structural or pressure-containing parts. Many
solvents can degrade plastic parts to the point where they could fail. Such failure could cause serious
injury or property damage. See Technical Data on page 33 of this instruction manual and in all other
equipment manuals. Read fluid and solvent manufacturer’s warnings.
Burn Hazard
Equipment surfaces and fluid that’s heated can become very hot during operation. To avoid severe burns,
do not touch hot fluid or equipment. Wait until equipment/fluid has cooled completely.
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, inhalation of toxic
fumes, burns, and hearing loss. This equipment includes but is not limited to:
• Protective eyewear
• Clothing and respirator as recommended by the fluid and solvent manufacturer
• Gloves
• Hearing Protection
Warnings
Warnings
4311772G
CAUTION
Water or material remaining in unit when temperatures are below freezing can damage
motor and/or delay pump startup.
To insure water and material are completely drained out of unit:
1. Remove material line from sprayer.
2. Tip sprayer up as shown.
Before adding material or starting unit in cold weather, run warm water through pump.
Before adding material to hopper, install burp guard. When only a small amount of material
remains in the hopper, the burp guard prevents material from shooting out when the unit is
turned off. This material could splash in the operator’s eyes or on skin, or into the air.
ti9016a
ti9010a
Component Identification
311772G 5
Component Identification
Item Component Item Component
A Handle N Burp Guard
B Toolbox P Material/Air Hose
C Power Cord (120V, 25 ft) Q Accessories Bag
D Side Pump Access Panel (RTX 1250 Only) R Material Thickness Gauge
ERotoFlex™II Pump (inside) SNozzle(4Total)
F Pump Hose Outlet T Hose Plug
G Air Hose Outlet U Touch-Up Hopper (3/4 gallon)
H Material Flow Gauge V Gun Plug
J Material Flow Control W Air Control
K ON/OFF Switch bb Hopper Clamp
L Selector Switch (Hopper Gun/Sprayer) cc Gun Plug Clip
M Material Hopper - 10 gallon, RTX 900
Material Hopper - 12 gallon, RTX 1250
dd Hopper Gun
M
D
F
A
G
C
L
Model 254975 Shown
E
K
U
T
V
B
S
W
R
P
bb
N
H
J
ti8939a
cc
dd
Component Identification
6311772G
Pressure Relief Procedure
To reduce risk of injury, follow this procedure
whenever you see this symbol throughout this
manual, Also, perform this procedure whenever
you:
• Stop spraying
• Check or repair any part of this system
• Install or clean spray nozzle
1. Turn Power Switch OFF.
2. Trigger gun into material hopper.
3. Open gun air valve.
Grounding and Electrical
Requirements
This sprayer must be grounded. Grounding reduces the
risk of electrical shock by providing an escape wire for
the electrical current. The sprayer cord includes 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 if grounding
instructions are not completely understood, or if in doubt
as to whether the product is properly grounded. Do not
modify plug provided; if it will not fit the outlet, have
proper outlet installed by a qualified electrician.
120V AC Systems
• This equipment requires a 120V AC, 60 Hz, 15A
circuit with a grounding receptacle. Do not use an
adapter with this product.
Extension Cords
• Use only an extension cord with an undamaged,
3-prong plug.
• For 25 to 50 ft (7.6 to 15.2 m) cords, use 3-wire, 14
AWG (1.5 mm2) minimum.
• For up to 100 ft. (30.48 m) cord, use 3-wire, 12 AWG
(2.5 mm2) minimum.
Auxiliary Air Compressor
Do not use an auxiliary air compressor with this spray
system.
Generator Requirements
3500 W (3.5 KW) minimum.
Hose Size and Length
The system comes with a hose set consisting of a 3/4 in.
ID x 25 ft (25 mm x 7.6 m) material hose and a 3/8 in-ID
air hose.
ti9221a
ti9084a
ti8528a
Shroud Removal
311772G 7
Shroud Removal
Disassembly
1. Relieve Pressure, page 6.
2. Unplug sprayer from outlet.
3. Loosen bottom hopper fitting by hand and pull
hopper up and off from handle.
4. Loosen and remove 2 knobs (14) on sprayer handle
(12).
5. Spread handle bars apart and pull up to remove
from sprayer.
6. Loosen screws (30) and screw (31) from toolbox
and remove toolbox (2) from sprayer.
7. Loosen screws (31) on shroud.
8. Loosen and remove screw (70) from lower right cor-
ner of side access panel (RTX1250) only.
9. Loosen knob (42) on side access panel and swing
open door.
10. Use screwdriver to remove second screw (30).
11. Remove two shroud halves (5 and 7) from sprayer.
ti2810b
ti8871a
ti8875a
14
12
ti8884a
31
2
30
ti8882a
31
70
ti8874a
ti8872a
42
ti9283a
30
ti8883a
57
Shroud Removal
8311772G
Reassembly
1. Angle left shroud half (5) into base and push down
into place. Then replace right shroud half (7).
2. Replace and tighten second screw (30).
3. Swing access door down (RTX 1250) and tighten
knob (42).
4. Tighten screw (70) into lower right corner of side
access plate.
5. Replace toolbox (2) and tighten screws (30) and
screw (31).
6. Tighten screws (31) on shroud.
7. Spread handle bars apart and slide handle down
into place.
8. Tighten 2 knobs (14) on sprayer handle (12).
9. Replace hopper and tighten hopper fitting by hand
until snug.
ti9015a
5
ti9283a
30
42
ti8938a
ti8874a
70
ti8884a
31
2
30
ti8882a
31
ti8875a
14
12
RotoFlex™ II Pump (RTX 900)
311772G 9
RotoFlex™ II Pump (RTX 900)
Disassemble
1. Relieve Pressure, page 6.
2. Unplug sprayer from outlet.
3. Remove Shroud, page 7.
4. Loosen and remove screw (28) on hose bracket.
5. Remove hose bracket (25).
6. Slide pump fittings over and push through keyhole
slots.
7. Grab pump hose (16) from side of unit and remove
pump hose by hand.
Reassemble
1. Bend hose (16) so colored dots on hose fittings face
each other.
2. Slide new pump hose (16) over rollers. Move pump
rollers by hand until or flip power switch to rotate
rollers until they are positioned correctly with pump
hose.
3. Feed pump fittings through front access panel
keyhole slots and slide into place.
4. Replace hose bracket (25) to lock pump hose fit-
tings into place.
5. Replace hose bracket (25) and tighten screw (28).
6. Replace Shroud, page 7.
7. Break in new pump by adding 1 cup of water to
pump and running dry for 3 minutes.
ti2810b
28
ti9009a
ti8881a
25
ti8869a
16
ti8949a
ti9331a
ti8868a
RotoFlex™ II Pump (RTX 1250)
10 311772G
RotoFlex™ II Pump (RTX 1250)
Disassemble
1. Relieve Pressure, page 6.
2. Unplug sprayer from outlet.
3. Loosen knob (42) on side access panel.
4. Remove screw (70) from side access panel.
5. Pull access panel (13) out to release 3 fastening
tabs and flip up to expose side access to pump.
6. Loosen and remove knob (42) on hose bracket (25).
7. Remove hose bracket (25).
8. Slide pump fittings over and through keyhole slots.
9. Grab pump hose (16) from side access panel and
remove pump hose from unit.
ti2810b
ti8870a
42
70
ti8874a
ti8872a
13
42
ti8945a
25
ti9288a
25
ti8869a
16
ti9333a
This manual suits for next models
3
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