Graco 257570 User manual

- This manual contains kit installation instructions only -
Motor Kit: 257570,16F290, 16F393
Pressure Relief Procedure
Important Safety Instructions
For detailed sprayer information and warnings, see
Operation manual 313381 included with sprayer.
To help prevent injection injuries, follow this procedure
when you stop spraying and before you service or clean
the sprayer, remove parts, or repair leaks.
1. Turn power switch OFF. Unplug sprayer.
2. Turn Spray/Prime valve to PRIME to relieve pressure.
Turn pressure control knob left (counterclockwise) to
minimize pressure.
3. Trigger gun.
4. Put trigger safety in safety ON position.
NOTE: Leave Spray/Prime valve in PRIME
position until you are ready to spray again.
If you suspect that the spray tip or hose is completely
clogged or that pressure has not been fully relieved after
following the steps above, VERY SLOWLY loosen the tip
guard retaining nut or hose end coupling to relieve pressure
gradually. Then loosen it completely. Clear the tip or hose
obstruction.
313586B
Instructions
Motor Kit for Tradeworks 150™
and Tradeworks 170™Sprayers
ti10220a
ti11868a
ENG

2313586B
Motor Kit 257570, 16F290
Disassembly
1. Unplug power cord (N) and Relieve Pressure (see
page 1 or Operation manual 313381).
2. Remove 4 side shroud screws (E) (T-20 Torx).
3. Remove 4 front cover screws (B) (T-30 Torx).
4. Tradeworks 170 Only: Remove underside shroud
mounting screw (D).
5. Remove right shroud (G).
6. Remove left shroud (K).
7. Disconnect motor leads from control board (T).
8. Remove fan cover (X) by gently using a straight
blade screwdriver.
9. Remove 2 motor screws (mm) (T-20 Torx).
10. Remove motor (Q).
G
D
mm
K
T
B
Q
E
cp
ti15775a
N
X
nt
(Tradeworks 150 and 170 Series A shown)

313586B 3
Assembly
1. With motor thermal switch facing up, assemble new
motor (Q) onto pump housing (ph). Rotate fan
slightly to engage teeth. Install 2 motor screws
(mm). Torque to 20 to 25 in-lb (2.3 to 2.8 N•m).
2. Reconnect motor leads to control board (T).
3. Replace fan cover (X). Make sure clips (cp) align
with notches on motor (nt) and snap securely into
place.
NOTE: Carefully feed one lead wire through
lower-left corner opening on fan cover (X). The other
lead wire will exit between fan cover and the motor
lamination.
4. Install power cord (N) into recess on left shroud (K).
5. Reassemble both shrouds (G and K).
6. Install 4 front side screws (E) (T-20 Torx). Torque to
20 to 25 in-lb (2.3 to 2.8 N•m).
7. Install 4 front cover screws (B) (T-30 Torx). Torque to
26 to 32 in-lb (2.9 to 3.6 N•m).
8. Tradeworks 170 Only: Install underside shroud
mounting screw (D). Torque to 25 to 35 in-lb (2.8 to
3.9 N•m).
Wiring Diagram for Tradeworks 150 and 170, Series A:
WIRING DIAGRAM
WHITE
BOARD WIRE
AUTO PRIME
POWERCORD
BLACK WIRE
POWERCORD
WHITE WIRE
10A FUSE
POWERCORD
GREEN WIRE
CHASSIS
GROUND
ON/OFF
SWITCH
PRESSURE
SWITCH
ti15763a

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 313586
Graco Headquarters: Minneapolis
International Offices: Belgium, China, Japan, Korea
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440-1441
Copyright 2010, Graco Inc. is registered to ISO 9001
www.graco.com
Revised 09/2010
Wiring Diagram for Tradeworks 150 and 170, Series B:
GREEN
ON/OFF
SWITCH
WHITE
BLACK
PRESSURE SWITCH
BLACK
BLACK
MOTOR
ti14050a