Graco Inc. 244592 - Manual (Page 47)

Fig. 36. Power Supply
Turbine Alternator Removal
and Replacement
Replace turbine alternator bearings after 2000 hours of
operation. Order Part No. 223688 Bearing Kit.
1. Prepare gun for service, page 35.
2. Remove the power supply/alternator assembly,
page 46.
3. Disconnect the alternator from the power supply,
page 46.
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
alternator coil.
5. Follow the bearing replacement procedure in the
bearing kit manual 308034.
6. Install the alternator on the power supply, page 46.
7. Install the power supply/alternator assembly, page
46.
TI1730A
13
12a
12b
11
13a
GG
12
13e
32
23