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SERVICE
Turbine Alternator Removal
1. Remove power cartridge from the gun handle as
described
under
Power Cartridge Replacement
.
2. Carefully twist the turbine alternator (3a) counter-
clockwise
and pull it of
f the power supply (5) until
just
disengaged from the coupling. Then continue to
slowly pull the turbine alternator away from the
power supply, disconnecting the 3-wire connector
(HH).
See Fig 19.
3. Using
an ohmmeter
, test the coil in
the turbine alter
-
nator (3a). Measure the resistance between the two
outer
terminals of the 3-wire connector
(HH). The re
-
sistance should be 3–5 ohms. If the reading varies
from
this value, replace the alternator
.
4. Measure
the resistance between each outer terminal
of
the 3-wire connector (HH) and the turbine alterna
-
tor housing. The resistance should be infinite. If the
resistance
is not infinite, replace the alternator
.
5. Partially
connect the 3-wire connector (HH) onto the
prongs
inside the power supply (5). See Fig 19. Us
-
ing
a small screwdriver
,
push the connector onto the
prongs
until seated.
6. Slide
the turbine alternator (3a) onto the power sup
-
ply, being sure to align the coupling between the
power supply and the turbine alternator housing.
Then
twist the turbine alternator clockwise to lock the
coupling.
7. Install the power cartridge in the gun handle as de-
scribed
under
Power Cartridge Replacement
.
Fig 19
KEY
HH 3–wire
Connector
3a Alternator
5
Power Supply
5
HH
3a