Graco 24F561, Руководство по ремонту

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Motor Brush Replacement
18 3A1181B
Motor Brush Replacement
See Wiring Diagram, page 28.
Removal
Replace brushes worn to less than 1/4 in. (6 mm).
Brushes wear differently on each side of motor, check
both sides.
1. Relieve pressure, page 7 . Disconnect power cord
from outlet.
2. Hi-Boy Models Only - Disconnect high-pressure
hose at pump outlet (see page 13) .
3. Remove two screws (4) and shroud (12) (see illus-
tration on page 17) .
4. Disconnect motor connector (D) from control board
(18).
5. Cut tie wrap (F).
6. Locate two yellow wires (C). Cut each yellow wire at
the center.
7. Pry off two brush caps (A). Remove brushes (B)
from motor.
8. Discard old brush assembly.
9. Rotate fan by hand and blow compressed air into
top brush holder to remove brush dust.
NOTE: Place end of a shop vacuum hose over lower
brush holder. Turn on shop vacuum when you blow com-
pressed air into top brush holder.
Installation
NOTE: Use all new parts included in brush kit. Do not
reuse old parts if new replacement parts are provided.
1. Install new brushes (B) in motor with wires facing
toward front of motor. Install positive (red) brush
lead in top of motor and negative (black) brush lead
in side of motor.
2. Push each cap (A) into place over brush. Orient
each cap with the two projections on either side of
the brush lead. You will hear a snap when cap is
securely in place.
3. Strip approximately 1/4 inch (6 mm) of insulation
from end of each yellow wire (C) from motor.
4. Insert stripped end into end of a butt splice (E) on
new brush assembly.
5. Crimp ends of butt splice (E) around each wire. Pull
gently on each wire to be sure wire does not pull out
of butt splice.
6. Wrap new tie wrap around motor and wires only.
Trim off excess. Be sure pressure hose is not caught
in tie wrap.
7. Connect motor connector (D) to control board (18).
8. Replace shroud (12) and two screws (4) (see illus-
tration, page 17) .
9. Hi-Boy Models Only - Connect high-pressure hose
at pump outlet (see page 14) .
30
29
33
A
B
+
-
C
D
E
ti5637b
D
A
Red
Black