Graco Inc 238-966, 308-236, 237-695, 236-531, 235-463, Series D manual Service, Needle Replacement

Page 9

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

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Contents 308±236 Symbols Table of ContentsInjection Hazard Moving Parts HazardRecoil Hazard Toxic Fluid Hazard Fire and Explosion HazardPressure Relief Procedure Installation/OperationHow to Use the Gun Trigger Safety System RequirementsHow to Use the Gun How to Adjust the Spray PatternWill cause premature tip wear and pump wear Cleaning During the Day How to Clean the Spray Tip Clear a Spray Tip ObstructionRelieve the pressure Clearing an ObstructionHow to Check the Gun Diffuser Operation How to Flush the GunFire and Explosion Hazard Needle Replacement Service38236 Parts Description QtyModel 235±461, Series B Model 235±462, Series C Following information applies to all parts listsModel 235±463, Series D DescriptionFilters AccessoriesSwivels and Whip Hoses ToolsTechnical Data Manual Change SummaryCategory Data 38236 Additional Warranty Coverage Graco WarrantyGraco Phone Number Limitation of Liability