Graco 334201B User Manual

Repair Kit

334201B

Air Controls

Integrated Air Controls for Therm-O-Flow® 20 and 200 Systems. For professional use only.

Important Safety Instructions

Read all warnings and instructions in this manual and in rel ated
manuals. Save these instructions.

See page 2 for model information and
maximum working pressure.

EN

PROVEN QUALITY. LEADING TECHNOLOGY.

Models

Kit No. Description Maximum Regulated Working

Pressure

24W870

Integrated Air Controls for
TOF20 and TOF200

125 psi (0.8 MPa, 8.6 bar) 3/4 npt (f)

Related Manuals

Manual Description

334129
334130

Therm-O-Flow 200, Instructions-Parts
Therm-O-Flow 20, Instructions-Parts

Air Inlet Size

2

334201B

Repair

Repair

Remove

1. Relieve pressure. See system manual for
instructions.

2. Disconnect all hoses and tubing from air control.

3. Remove 4 screws and washers.

3. Remove spring (5c), valve plate (5d), and o-ring
(5b).

Note

Note the orientation of the director valve
plate when you remove it. The opening
should be on the opposite side (left) of
the lever.

4. Remove and discard pin (5g) and four valve
seats (5e) with o-rings (5f).

5. Insert new valve seats (5e) with o-rings (5f) and
new pin (5g).

6. Insert new director valve plate (5d, see Note
above) spring (5c), and o-rin g (5b).

7. Attach new director valve with screws (5a).
Tighten screws until snug.

Replace Director Valve

1. Relieve pressure. See system manual for
instructions.

2. Remove screws (5a) and take off director valve.

334201B 3

Figure 1

Repair

Replace Air Motor Regulator

1. Relieve pressure. See system manual for
instructions.

2. Disconnect air motor housing and fittings.

3. Remove two screws (9) and take off the shutoff
valve (1) at top of module. If your system has an
air solenoid, it can remain attached to the shutoff
valve.

4. Removetwoscrews(9)andtakeofftheairmotor
regulator (6).

5. Attach new regulat or (6) to manifold. Orie nt so
the gauge lines up with the ram gauges and the
direction of flow arrow points up. Tighten screws
until snug. Recommend using thread locker
Loctite 220 or equivalent.

6. Reattach shutoff valve (1) at top of regulator.
Make sure that o-ring (3) is in place on valve (1).

Replace Air Regulators

Identify which knob regulator (8) needs to be
replaced.

• Ram Down Air Regulator (CB)

• Ram Up Air Regulator (CD)

• Blowoff Air Regulator (CJ)

1. Relieve pressure. See system manual for
instructions.

2. Remove four screws (8a) and take off the air
regulator (8).

3. Replace o-rings (8b) on back side of regulator.

4. Attach new air regulator to manifold. Use index
pin for correct orientation. Tighten screws until
snug.

Figure 2

4

Figure 3

334201B

Parts

24W870 Air Control

Parts

334201B 5

Graco Information

Part Description

Ref

1

---

VALVE, shutoff (includ es
o-rings and screws)

2 101689

GAUGE, pressure, air;
0-200 psi (0-1.4 MPa, 0-14
bar)

3 121110
4 121109

O-RING, buna
VALVE, blow-off ( includes

valve and push button)

5
6
7

---

---

108190

VALVE, control 1
REGULATOR, m od ula r
GAUGE, pressure, air;

0–100 psi (0–700 kPa, 0–7
bar)

8 121106

REGULATOR, man ifo ld
(includes 8a and 8b)

▲

Replacement Warning labels, signs, tags, and
cards are available at no cost.

Qty

2

3

3
1

1
1

3

Part Description

Ref

8a
8b
9121112

---

---

SCREWS
O-RING

SCREW, cap, socket hd
10 517449 MUFFLER, 1/4 npt 1
11 113498

VALVE, safety, 110 psi (0.8

MPa, 7.6 bar)
13 120602

14

---

FITTING, cartridge, 1/4

BLOCK, ram, control, 3

regulator
15

16 120039

---

BALL, sst, 7/32 dia 11

FASTENER, schcs, 10–32

x1/2
17

▲

15V954

LABEL, valve, shutoff

Qty

4
2
6

1

4
1

4

1

Graco Information

For the latest information about Graco products, visit www.graco.com.

For patent information, see www.graco.com/patents.

To place an order,

Phone:

612-623-6921

All written and visual data contained in this document reflects the latest product information available at the time of publication.

contact your Graco Distributor or call to identify the nearest distributor.

or Toll Free:

Graco reserves the right to make changes at any time without notice.

GRACO INC. AND SUBSIDIARIES • P.O. BOX 1441 • MINNEAPOLIS MN 55440-1441 • USA

Copyright 2014, Graco Inc. All Graco manufacturing locations are registered to ISO 9001.

1-800-328-0211

Original Instructions. This manual contains English. MM 334201

Graco Headquarters:

International Offices:

Fax:

612-378-3505

Minneapolis

Belgium, China, Japan, Korea

www.graco.com

Revision B, May 2015

6 334201B