Generac Power Systems TXP - Manual (Page 44)

A.) Disconnect Wires #11 and #33
from the Main Circuit Breaker, Dis­
connect two Wires #T2 from customer
wiring. The two wires #T2 are also
labelled.#22 and #44. Set VOM to
''+DC” and to "Rxl" scale. Zero the
meter. Connect meter test probes to
Wires #11 and #22, and. observe the
reading. Then connect test probes
to Wires #33 and #44 and observe
the reading. In each case, the meter
needle should swing upscale, to app­
roximately 0,42'Ohms.
TEST 41 -
STATOR
RESULTS: 1.) Tests indicate open.
2.) Tests Good.
.Disassemble, alternator. Test
stator with VOM and with an
Insulation Breakdown Tester.
Replace, if defective.
,Go to Paragraph "B"
B.) Set VOM to ”+DC” and to ”Rxl0,000!’ scale. Zero the meter. Connect
one meter test probe to Wire. #11..Connect the second test probe to
Ground. Observe meter. Then connect one test probe to Wire #33 and the
other test probe to Ground, In each case, the meter needle, must not
move (Infinity). Any movement of the meter needle indicates a "shorted”
condition.
RESULTS : 1.) Tests indicate "sho.rt"..........................................Di.sas,semble. alternator. Test
stator with VOM and with an
Insulation Breakdown Tester,
Replace if defective,
2.) Tests Good................................................ ...Continue tests in "Diagnost­
ic Flow Charts", Section 3
Battery Charge Tests
TEST 42 -
C H A R G I N G O U T P U T
A.) Disconnect Wire
#66
at the
control panel Terminal Strip. Then
connect an Ammeter in series with
the disconnected Wire
#66
and the
Terminal Strip connection. Start
the alternator. The Ammeter, should
indicate an output, dependent upon
battery condition.
Issued 6-78