User's Manual

Repair
48 309293L
Turbine Alternator Removal and
Replacement
NOTE: Replace turbine alternator bearings after 2000
hours of operation. Order Part No. 223688 Bearing Kit.
1. Prepare gun for service, page 41.
2. Remove the power supply/alternator assembly,
page 47.
3. Disconnect the alternator from the power supply,
page 47.
4. Measure resistance between the two outer termi-
nals of the 3-wire connector (GG); it should be
2.5-3.5 ohms. If outside this range, replace the alter-
nator coil.
5. Follow the bearing replacement procedure in the
bearing kit manual 308034.
6. Install the alternator on the power supply, page 47.
7. Install the power supply/alternator assembly, page
47.