Graco 312012A 120V Pressure Control Kit 255169 Repair Owner's Manual

Repair
120V Pressure Control Kit 255169
312012A
Models: 261825 and 261830
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.
• Engage trigger lock when not spraying.
• Follow Pressure Relief Procedure in this manual, when you stop spraying and before
cleaning, checking, or servicing equipment.
Pressure Relief Procedure
WARNING
Follow Pressure Relief Procedure when instructed to
relieve pressure, stop spraying, check or service
equipment or install or clean spray tip. Read SKIN
INJECTION HAZARD Warning
1. Turn OFF power and turn pressure control to lowest pressure setting.
2. Hold gun against side of grounded metal flushing pail. Trigger gun to relieve pressure.
3. Turn prime valve down.
If you suspect the spray tip or hose is clogged or that pressure has not been fully relieved after following
the steps above, VERY SLOWLY loosen tip guard retaining nut or hose end coupling to relieve pressure
gradually, then loosen completely. Clear hose or tip obstruction.
4. Engage trigger safety lock on gun if sprayer is being shut down or left unattended.
Additonal Warnings and Instructions are
provided in manual 311990.
Graco Inc. P.O. Box 1441 Minneapolis, MN 55440-1441
Copyright 2007, Graco Inc. is registered to I.S. EN ISO 9001
Removal
See Wiring Diagram, page 3.
6.
Disconnect pressure control assembly connector (A)
from control board (18). Pull bushing (23) from hole (K).
WARNING
ELECTRIC SHOCK HAZARD
Improper grounding, setup, or usage of the system
can cause electric shock.
• Turn off sprayer and disconnect power cord before
servicing.
• Use grounded electrical outlets.
• Use 3-wire extension cords.
• Ensure ground prongs are intact on sprayer and
extension cords.
1. Relieve pressure, page 1. Disconnect power cord
from outlet.
A
18
ti9129a
23
K
2. Remove kick stand (66) on 210ES.
7. Pull wires through hole (K).
3. Remove two screws (5) and toolbox (3).
4. Remove two screws (11) and front cover (32).
5. Remove screw (13) and shroud (12).
12
8. Turn pressure control knob (17) counter clockwise
as far as you can to access flats on either side of
pressure control.
9. Loosen and unscrew pressure control.
17
ti9128a
13
32
ti9130a
11
Caution
If you plan to reuse pressure control, be careful not to
damage or tangle wires when unscrewing pressure
control.
10. Remove pressure control.
2
312012A
Installation
3. Apply loctite to pressure control knob (B) threads.
4. Screw pressure control threads (B) into manifold
and torque to 150 in-lb (17.0 N.m)
Caution
Be careful when tightening pressure control knob that
wires are not pinched between pressure control and
fluid manifold.
A
5. Tuck wires into pressure control wire cap (21) and
route wires toward cap opening. Feed wires through
housing hole (K).
18
6. Insert bushing (23) in hole (K).
7. Connect pressure control assembly connector (A) to
control board (18).
ti9129a
K
23
B 21
o-ring
1. Inspect pressure control before installation to verify
o-ring is installed.
2. Align pressure control wire cap (21) on fluid manifold so opening faces toward motor.
8. Install shroud (12) with screw (13). Install front cover
(32) with two screws (11).
9. Install toolbox (3) with two screws (5).
10. Install kick stand (66) on 210ES.
120V Wiring Diagram
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ti5643a
312012A
3
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.
This manual contains English: mm 312012
Graco Headquarters: Minneapolis
International Offices: Belgium, China, Japan, Korea
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440-1441
www.graco.com
Written in USA 9/2007
4
312012A