HENNESSY INDUSTRIES COATS 1025, Руководство по обслуживанию и руководство по устранению неполадок

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18 • Service Manual — COATS Models 950/950 ProRacer/1025/1050/1055
Direct Drive
*Motor Circuit Diagram
Disconnect AC power before taking readings.
The motor may be checked individually using the
motor wiring diagram above. The complete spin circuit
may be checked by placing your ohm leads across
L1&L2, L2&L3, L1&L3. Press and hold the spin contac-
tor in while taking the reading. The readings should be
approximately the same (4.8 ohms + or - 1 ohm). If one
leg reads different than the other two, use the Forward
Circuit diagram and check for a bad connection, bad
wire crimp, or high resistance through the contactor or
motor winding.
To check the braking circuit, disconnect the rectifier
from the 83. Place your ohms leads across 53 and 83.
Press and hold the brake contactor and check the read-
ing. It should be approximately 24 ohms (5 x 4.8). If the
reading is incorrect use the Brake Circuit diagram to
check for a bad connection, bad wire crimp, or high
resistance through the contactor or motor winding.
WARNING