Generac Power Systems TXP - Manual (Page 51)

DIODES D1 & D2
Diodes Dl and D2 are a part of the
battery charging circuit. They fun­
ction to convert the a-c output of
the battery Charge windings, to dir­
ect current (d-c). Battery.charge ,
circuit checks are outlined in Tests
42 through 45, Pages 4.24 through
4,26, When replacing a defective di­
ode, bleed off excessive .heat by
means of a heat sink - dfodes are ex­
tremely sensitive to. heat.
OTHER COMPONENTS
other Control Panel components are
shown at right. These include (1)
a 40 Amp Main Circuit Breaker, (2)
a 15 Amp Fuse, (3) a Start/Stop
Switch, (4) battery Charge Circuit
Breaker, (5) Sensing Transformer,
and (6) Terminal Strip, Refer to
Sections 2 and 3 for troubleshoot­
ing and testing of these, components,
Refer to the Wiring Diagram for *
each speci.fic alternator model when
reconnecting components.
PANEL REMOVAL
1, At front of alternator, locate
the large wire bundle from control
panel. Disconnect all wires from
this wire bundle, as follows:
(a) Wire #14 at fuel pump
(b) Wire #20 to Low Oil Switch
(c) Two Wires #15 at Starter Sol­
enoid
(d) Wire #13 at Starter Solenoid
(e) Wire #17 at Starter Solenoid
(f) Wire #91 at Starter Solenoid
5,4 Issued 3-78