Spin Test - Graco 190ES Repair Manual

Spin Test

See Wiring Diagram, page 26.
To check armature, motor winding and brush electrical
continuity:
1. Relieve pressure, page 5. Disconnect power cord
from outlet.
2. Remove the following from 210
a. Remove kick stand (66)
b. Remove two screws (5) and toolbox (3).
3. Remove two screws (11) and front cover (32).
12
29
13
32
11
4. Remove screw (13) and shroud (12).
5. Remove drive housing (29), page 13.
6. Disconnect motor connector (D).
Armature Short Circuit Test
Quickly turn motor fan by hand. If motor coasts two or
three revolutions before complete stop, there are no
electrical shorts. If motor does not spin freely, armature
is shorted. Replace motor, page 25.
14
Hi-boy models:
ES
.
ti9150a
Armature, Brushes, and Motor Wiring Open
Circuit Test (Continuity)
1. Connect red and black motor leads with test lead.
Turn motor fan by hand at about two revolutions per
second.
2. If uneven or no resistance, check for missing brush
caps, broken brush springs, brush leads, and worn
brushes. Repair as needed, page 16.
3. If still uneven or no resistance, replace motor, page 25.
D
D
4. Connect motor connector (D).
5. Install drive housing, page 13.
6. Install shroud (12) with screw (13).
7. Install front cover (32) with two screws (11).
8. Install the following on 210
a. Install toolbox (3) with two screws (5).
b. Install kick stand (66).
Spin Test
ti9135a
Hi-Boy models:
ES
312805A