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Service
CAUTION
Do not attempt to install an old style needle in this gun. The front of the new needle is marked with a + below the Graco symbol.
Notes:
DUse Needle Kit 235±475 for Model 235±462 and Repair Kit 235±474 for the other models.
DUse all the new parts for the best results. Parts included in the kit are shown with one asterisk, (2a*).
DKeep parts very clean. Dried paint or other contami- nants cause friction which causes parts to wear faster.
Needle Replacement
WARNING
To reduce the risk of serious injury whenever you are instructed to relieve pressure, always follow the Pressure Relief Procedure on page 5.
1.Relieve the pressure.
2.Remove the hose, tip guard, spray tip and gasket.
3.Remove the diffuser/seat (2a*) and gasket (2b*). Remove the screw (12), pivot pin (10), and trigger
(8). See Fig. 6.
4.Insert a punch into the rear of the gun and tap it to push the needle (2c*) out the front of the gun. See Fig. 7.
5.Clean the internal passages of the gun.
6.Grease the rings (A) of the new needle (2c*). See Fig. 8.
10
2b*
2a* | 8 |
12
02352
Fig. 6
2c
02353
Fig. 7
A
Fig. 8
9