Graco 246477 Operation manual

For recirculation of polyurethane materials from proportioner to 55 gal. (200
liter) fluid supply drums.
4000 psi (27.6 MPa, 276 bar) Maximum Fluid Working Pressure
Description Carbon Steel Stainless Steel
Return Tube Kit 246477 24D106
Circulation Kit 246978
Circulation Kit With Moisture-Lok Hose 24E379 24D107
Important Safety Instructions
Read all warnings and instructions in this manual.
Save these instructions.
TI3465a
246978 Kit shown installed in Reactor™proportioning
system. Some parts shown are not included in kit.
309852E
ENG
Instructions - Parts
Circulation and
Return Tube Kits

Return Tube Kit
2309852E
Return Tube Kit
Remove dryer carriage (C). Using awl or similar
tool, punch a few small holes in each end of car-
riage. Reinstall carriage.
Remove large fitting included with dryer (10). It
is not needed for this application.
Apply thread sealant (8) to threads. Assemble
return tube kit as shown at right.
Open drum port. Lower kit into drum. Screw tee
(6) into drum port to secure. Use bushing (5) to
adjust position of tube (4) in tank.
The Return Tube Kit can be installed singly or as
a pair. Two are included in the Circulation Kit,
page 3.
1. Keep A and B compo-
nents separate
CAUTION
To prevent cross-contamination of fluid, mark A com-
ponent (ISO) connections with red tape. Mark B com-
ponent (RES) connections with blue tape. Do not
interchange or cross-connect A component and B
component parts.
2. Assemble return tube kit
3. Install kit in drum
4. Install circulation kit,
page 3
WARNING
To reduce the risk of serious injury including fluid
injection, use high pressure return hoses rated to with-
stand the maximum working pressure of the propor-
tioner. See proportioner operation manual.
Ref.
No. Description
Return Tube Kit
Qty
(CS)
246477
(SST)
24D106
1 ELBOW, 90°; 1/2 in. (13
mm) OD tube x 1/2 npt(m) 117532 16C635 1
2 FERRULE, tube; sst 117453 117453 1
3 NUT, tube, flareless 117454 16C636 1
4 TUBE; sst; 1/2 in. (13 mm)
OD; 4 ft (1.2 m) 15C514 15C514 1
5 BUSHING, strain relief; 3/4
npt(m) 117811 117811 1
6 TEE, street; 3/4 npt (mxf)
run; 3/4 npt(f) branch 111337 16C637 1
8 SEALANT, pipe; 6 ml 110110 110110 1
10 KIT, accessory, desiccant
dryer 247616 247616 1
TI3446a
10
6
5
4
3
2
1
1
Apply thread sealant (8) to threads.
Punch holes in ends of carriage (C).
1
2
1
2C

Circulation Kit
309852E 3
Circulation Kit
Remove fittings from elbows (A, B) at the pro-
portioner fluid manifold. Only used with 24697
For 246978: Screw reducing nipples (104) into
elbows. Connect one end of hoses (102) to
each nipple.
For 24E379 and 24D107: Connect elbows (105)
to the proportioner fluid manifold. Connect fitting
(106) to return tube. Connect one end of hoses
(102) to each elbow.
Connect other end of A side hose (102) to
elbow (E) of A component return tube kit.
Repeat for B side hose.
† 246978 Circulation Kit only.
◆24E379 Circulation Kit only.
★24D107 Circulation Kit only.
1. Install two return tube
kits, page 2
CAUTION
To prevent cross-contamination of fluid, mark A com-
ponent (ISO) connections with red tape. Mark B com-
ponent (RES) connections with blue tape. Do not
interchange or cross-connect A component and B
component parts.
E
102
TI15106a
106
2. Connect circulation kit
Ref.
No. Part No. Description Qty
101 KIT, return tube; see page 2 2
102 †H45010 HOSE, fluid; nylon; 1/2 in. (13 mm)
ID; 1/2 npsm(fbe); 10 ft (3.05 m) 2
◆262176 HOSE, B; 1/4 in. (6.35 mm) ID; (10
ft (3.05 m) 2
★262239 HOSE, B; 1/4 in. (6.35 mm) ID; (10
ft (3.05 m) 2
104 †162449 NIPPLE, reducing; 1/2 x 1/4 npt 2
105 ◆122311 FITTING, elbow; 9/16-18 JIC 06 x
1/4 npt 2
★122786 FITTING, elbow; 9/16-18 JIC 06 x
1/4 npt 2
106 ◆124151 FITTING, 9/16-18 JIC 06 x 1/2 npt 2
★124152 FITTING, 9/16-18 JIC 06 x 1/2 npt 2
104
TI3510a
102
102
104
B
A
246978 Circulation Kit
24E379 and 24D107 Circulation Kit
102
105
105
102
TI15107a

All written and visual data contained in this document reflects the latest product information available at the time of publication.
Graco reserves the right to make changes at any time without notice.
Original instructions. This manual contains English. MM 309852
Graco Headquarters: Minneapolis
International Offices: Belgium, China, Japan, Korea
GRACO INC. P.O. BOX 1441 MIINNEAPOLIS, MN 55440-1441
Copyright 2003, Graco Inc. is registered to ISO 9001
www.graco.com
Revised 04/2010
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Graco warrants all equipment referenced in this document which is manufactured by Graco 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 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
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structures, accessories, equipment or materials not supplied by Graco, or the improper design, manufacture, installation, operation or
maintenance of 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
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