Graco 256273 User manual

Instructions - Parts
Hopper or Hose
Heat Circulation Kit
For circulating heated water or oil through XM plural-component sprayer double wall
hoppers, heated hose, and Viscon®HP heater.
Approved for use in explosive atmospheres.
Model 256273
Includes parts needed to assemble heated hose system. Heated hose assembly and Viscon HP heater must be
ordered separately.
See Technical Data on page 24 for Maximum
Working Pressure and Temperature Rating infor-
mation.
Important Safety Instructions
Read all warnings and instructions in this manual.
Save these instructions.
r_256273_313259_1b
313259B
ENG

Related Manuals
2313259B
Contents
Related Manuals . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Heated Hopper or Hose Circulation Kit 256273 . . 5
Heated Hose Assembly . . . . . . . . . . . . . . . . . . . . 5
Hazardous Location Heaters . . . . . . . . . . . . . . . 6
Typical Installation . . . . . . . . . . . . . . . . . . . . . . . . . 8
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Grounding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Tubing Lengths . . . . . . . . . . . . . . . . . . . . . . . . . 14
Install . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Connecting Additional Hose Lengths . . . . . . . . 17
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Graco Standard Warranty . . . . . . . . . . . . . . . . . . . 26
Graco Information . . . . . . . . . . . . . . . . . . . . . . . . . 26
Related Manuals
Manual Description
312359 XM Operation
313289 XM Repair
313292 XM OEM, Instructions-Parts
312747 Double Wall Hopper, Instructions-Parts
309524 Viscon®HP Heater
308981 Husky™716 Diaphragm Pump

Warnings
313259B 3
Warnings
The following warnings are for the setup, use, grounding, maintenance, and repair of this equipment. The exclama-
tion point symbol alerts you to a general warning and the hazard symbol refers to procedure-specific risk. Refer back
to these warnings. Additional, product-specific warnings may be found throughout the body of this manual where
applicable.
WARNINGWARNINGWARNING
WARNING
FIRE AND EXPLOSION HAZARD
Flammable fumes, such as solvent and paint fumes, in work area can ignite or explode. 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).
• Keep work area free of debris, including solvent, rags and gasoline.
• Do not plug or unplug power cords, or turn power or light switches on or off when flammable fumes
are present.
• Ground all equipment in the work area. See Grounding instructions.
• Use only grounded hoses.
• Hold gun firmly to side of grounded pail when triggering into pail.
• If there is static sparking or you feel a shock, stop operation immediately. Do not use equipment
until you identify and correct the problem.
• Keep a working fire extinguisher in the work area.
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 forms from distributor or retailer.
• Check equipment daily. Repair or replace worn or damaged parts immediately with genuine manu-
facturer’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.
ELECTRIC SHOCK HAZARD
Improper grounding, setup, or usage of the system can cause electric shock.
• Turn off and disconnect power cord before servicing equipment.
• Use only grounded electrical outlets.
• Use only 3-wire extension cords.
• Ensure ground prongs are intact on sprayer and extension cords.
• Do not expose to rain. Store indoors.

Warnings
4313259B
WARNINGWARNINGWARNING
WARNING
SKIN INJECTION HAZARD
High-pressure fluid from gun, hose leaks, or ruptured components will pierce skin. This may look like just
a cut, but it is a serious injury that can result in amputation. Get immediate surgical treatment.
• Do not point gun at anyone or at any part of the body.
• Do not put your hand over the spray tip.
• Do not stop or deflect leaks with your hand, body, glove, or rag.
• Do not spray without tip guard and trigger guard installed.
• Engage trigger lock when not spraying.
•FollowPressure Relief Procedure in this manual, when you stop spraying and before cleaning,
checking, or servicing equipment.
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.
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 MSDS’s 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.
• Always wear impervious gloves when spraying or cleaning equipment.
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

Heated Hopper or Hose Circulation Kit 256273
313259B 5
Heated Hopper or Hose Circulation Kit 256273
The kit described in this manual; includes all miscellaneous parts needed to assemble the system. There are three
options for using circulation kit 256273:
• Circulate water through the heater and only the hop-
pers. See page 8.
• Circulate water through the heater, hoppers, and
heated hose. See page 10.
• Circulate water through the heater and only the
heated hose. See page 12.
Heated Hose Assembly
Order separately a heated hose assembly that meets maximum pressure and hose diameter requirements. You can
connect up to six 50 ft. (15.2 m) heated hose sections for a maximum total length of 300 ft. (91.4 m). See manual
309525.
Single Hose Assemblies
Dual Hose Assemblies
A B
C D
Dual Hose Assembly
AB
Single Hose Assembly
Part Maximum
Pressure Rating
psi (MPa, bar)
Hose Diameter
in. (mm)
Thread A
npt(m)
Thread B
npsm(f)
Approvals
245840 5000 psi (34, 345) 1/4 (6.35) 1/4 1/4
245841 7400 psi (51, 510) 1/4 (6.35) 1/4 1/4
245842 5000 psi (34, 345) 3/8 (9.53) 3/8 3/8
245843 7400 psi (51, 510) 3/8 (9.53) 3/8 3/8
245844 5000 psi (34, 345) 1/2 (12.7) 1/2 1/2
245845 7400 psi (51, 510) 1/2 (12.7) 1/2 1/2
II 2 G
Part Maximum
Pressure Rating
psi (MPa, bar)
Hose Diameter
in. (mm)
Thread A
npt(m)
Thread B
npsm(f)
Thread C
npt(m)
Thread D
npsm(f)
Approvals
248118 7400 psi (51, 510) 1/2 (12.7) 1/2 1/2 1/2 1/2
248119 7400 psi (51, 510) 3/8 (9.53) 3/8 3/8 3/8 3/8
248120 7400 psi (51, 510) A = 1/2 (12.7)
B = 3/8 (9.53)
1/21/23/83/8
248121 7400 psi (51, 510) A = 3/8 (9.53)
B = 1/4 (6.35)
3/83/81/41/4 II 2 G

Heated Hopper or Hose Circulation Kit 256273
6313259B
Hazardous Location Heaters
Part No. Series VAC (50/60 Hz single phase) / Watts / Amps Approvals
245848 A 120 / 2300 / 19.2
Approved Exd II T2 482°F (250°C)
Certificate No. ISSeP 07ATEX034X
Approved to EN 60079-0:2006 (IEC 60079-0:2004)
and EN 60079-1:2007 (IEC 60079-1:2007) for
Hazardous Locations, Temp Code T2 482°F
(250°C). See Technical Data, page 24, for
additional information.
CSA Certified and FM Approved as flame proof for
Class I, Division 1, Group D Hazardous Locations,
Temp Code T2 482°F (250°C), -20°C < T amb <
135°F (57°C). See Technical Data, page 24, for
additional information.
245863 A 240 / 4000 / 16.7
245864 A 480 / 4000 / 8.30
245862 A 200 / 4000 / 20.0
Approved Exd II T2 482°F (250°C)
Certificate No. ISSeP 07ATEX034X
Approved to EN 60079-0:2006 (IEC 60079-0:2004)
and EN 60079-1:2007 (IEC 60079-1:2007) for
Hazardous Locations, Temp Code T2 482°F
(250°C). See Technical Data, page 24, for
additional information.
CSA Certified as flame proof for Class I, Division 1,
Group D Hazardous Locations, Temp Code T2
482°F (250°C), -20°C < T amb < 135°F (57°C). See
Technical Data, page 24, for additional information.
246254 A 380 / 4000 / 10.5
II 2 G
II 2 G

Heated Hopper or Hose Circulation Kit 256273
313259B 7

Typical Installation
8313259B
Typical Installation
Key:
A Viscon HP Heater
B Husky diaphragm pump
C Hopper
DFrame
E Fluid circulation tubing
NOTE:
See FIG. 2 on page 9 for fluid schematic of heated fluid.
FIG. 1: Heat Only Hoppers Configuration
C
A
C
B
E
E
E
D
r_256273_313259_1b

Typical Installation
313259B 9
FIG. 2: Fluid schematic for only heating hoppers
Back-Mounted Hoppers (BM)
Side-Mounted Hoppers (SM)
Table 1: Tubing Lengths
Section Tubing
(BM) Hoppers
in (mm)
(SM) Hoppers
in (mm)
AA 1/2 in. 65 (1651) 50 (1270)
AB 51 (1295.4) 35 (889)
AC 7 (177.8) 4 (101.6)
BA 3/4 in. 40 (1016) 36 (914.4)
BB 29 (736.6) 17 (431.8)
BC 7 (177.8) 7 (177.8)
CA 3/8 in. 21 (533.4) 21 (533.4)
CA
AB
AA
BA BA
AC BC
AA AB
AC
BC
CA
BA
BB

Typical Installation
10 313259B
Key:
A Viscon HP Heater
B Husky diaphragm pump
C Hopper
DFrame
E Fluid circulation tubing
F Heated hose tee fittings (see heated hose connections on
page FIG. 5 and FIG. 6 on page 12 and 13.)
NOTE:
See FIG. 6 on page 13 for fluid schematic of heated fluid.
FIG. 3: Hoppers and Heated Hose Configuration
C
A
C
B
D
E
E
E
E
F
r_256273_313259_3a