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AlternatorAlternator
Alternator
RemovalRemoval
Removal
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ReplacementReplacement
Replacement
NOTE:NOTE:
NOTE:
Replace alternator bearings after 2000 hours
of operation. Order Part No. 24N706 Bearing Kit.
Parts included in the kit are marked with a symbol (♦).
1. See Prepare the Gun for Service, page 37.
2. Remove the power supply/alternator assembly
and disconnect the alternator. See Power Supply
Removal and Replacement, page 43.
3. Measure resistance between the two outer
terminals of the 3-wire connector (PC); it should
be 2.0–6.0 ohms. If outside this range, replace
the alternator coil (15a).
4. Using a at blade screwdriver, pry the clip (15h)
off the housing (15d). Remove the cap (15f),
using a thin blade or screwdriver.
5. If necessary, rotate the fan (15e) so its blades
clear the four bearing tabs (T) of the housing
(15d).
Figure 28 Fan Orientation
6. Push the fan and coil assembly (15a) out the
front of the housing (15d).
Figure 29 Alternator Cross-Section
NOTICENOTICE
NOTICE
Do not scratch or damage the magnet (M) or
shaft (S). Do not pinch or damage the 3–wire
connector (PC) when disassembling and
reassembling the bearings.
7. Hold the coil assembly (15a) on a workbench
with the fan end facing up. Using a wide blade
screwdriver, pry the fan (15e) off the shaft (S).
8. Remove the top bearing (15b2).
9. Remove the bottom bearing (15b1).
10. Install the new bottom bearing (15b1♦) on the
long end of the shaft (S). The atter side of the
bearing must face away from the magnet (M).
Install in the coil (15a) so the bearing blades are
ush with the surface of the coil.
11. Press the new top bearing (15b2♦) onto the short
end of the shaft so the bearing blades are ush
with the surface of the coil (15a). The atter side
of the bearing must face away from the coil.
44
3A2494D