Graco Inc 233757 important safety instructions Pneumatic Back Pressure Regulators Part Nos

Page 19

Pneumatic Back Pressure Regulators Part Nos. 233810 and 234257

	26	6
1	25
	27	6

24

317

	21	5	10
4	16		12
		13	12
		13
	23

Parts

14

2

3

4

1

10 5

2	11
15

9

4

8

TI11250a

1Torque to 4-5 N•m (35-44 in-lb).

2Torque to 2 N•m (18 in-lb).

3Torque to 5 N•m (44 in-lb).

4Grease OD.

5Used only on non-npt model 233810.

6Used only on npt model 234257.

	Ref.				Ref.
					No.	Part No.	Description	Qty.
	No.	Part No.	Description	Qty.
					15	15A179	DIAPHRAGM	1
	1		HOUSING, lower, for 233810	1
					16	15A204	PISTON	1
			HOUSING, lower, for 234257	1
					17	117122	NUT, seal-lock	1
	2	245369	SEAT, valve	1
					21	117102	SEAL, flat	1
	3	15Y036	O-RING	1
					23	15A185	PACKING, PTFE with carbon	1
	4	15Y035	O-RING	1
					24	15A191	HOUSING, upper	1
	8	15A143	COVER	1
					25	117127	SCREW, shcs, M5x35	8
	9	117123	SCREW, fhms, M4x10	2
					26	15C332	FITTING, for npt model 234257	1
	10	15A219	RING, for non-npt model 233810	2
							only
	11	117101	PLUG, threaded	2
					27	15C333	WASHER, for npt model 234257	1
	12	117085	SEAL, ring	1
							only
	13	117099	PLUG, threaded	1

	14	245373	PLUNGER, valve	1

309474K

19

Image 19

Contents Model 233757 Shown II 2 G Low PressureContents Key to Model Designation List of ModelsEquipment Misuse Hazard Pressurized Equipment Hazard Fluid Inlet from gun IntroductionBack Pressure Regulators Fluid Pressure RegulatorsAir inlet Diaphragm Fluid Outlet To gun Valve plunger Adjustment screw Spring Diaphragm Valve plungerFluid Inlet from pump Valve ball and seat Fluid Outlet to gunAir to gun Fluid Air to pump InstallationAir to Fluid RegulatorAir to Pump Gun G a BAir Fluid Air to Back Pressure Regulator Air to GunAir to Fluid Regulator Fluid to gunFlush Before First Use Pressure Relief ProcedureAdjusting the Regulator OperationProblem Cause Solution TroubleshootingCleaning and Repair MaintenanceFlushing Mechanical Fluid Pressure Regulators Part Nos PartsDescription Mechanical Back Pressure Regulators Part Nos Part No. Description TI11249a Description Qty Pneumatic Back Pressure Regulators Part Nos Category Data Technical DataFlow Rate Data Accessory GaugesGauge Thread Dimension a Mounting DimensionsMounting Dimensions 309474K For Graco Canada Customers Graco Warranty