Graco 204501 - Manuals

7 306563 Troubleshooting Problem Cause Solution No pressure regulation Damaged diaphragm Replace diaphragm (31). Fluid leaks under cap Loose cap, worn gasket Tighten screws (1), replace gasket(32). Damaged diaphragm Replace diaphragm (31). Pressure creeps above setting Loose cap Tighten screws (1). ...

8 306563 Service Regulator Disassembly Shut off pump, close shutoff valve and relieve pressurein regulator by triggering the spray gun. Remove theregulator from the system. 1. Using the hex end of key (25), adjust screw (20) all the way counterclockwise to relieve regulatorspring tension. 2. Remove ...

10 306563 Parts 03374 Fig. 4 1 3 4 2 25 1 1 17 34 4 3 20 2 2 12 13 30 10 21 9 31 3 32* 33* 28* 27* 16 14 2 *7 4 5 5 26 29 22* 15 19 See torque sequence in Fig. 3. Lubricate with grease. side down. Lubricate with oil. Apply sealant to threads. *5 4 11 Torque to 70–80 in-lb (8–9 N S m). 4 6 6 7 7 4 To...

11 306563 Parts RefNo. Part No. Description Qty. RefNo. Part No. Description Qty. 1 101682 SCREW, soc hd cap; 1/4–20 x 5/8 6 2 101754 PLUG, pipe; hex soc; 3/8 npt 1 3 101971 RACE, thrust; adjusting nut 1 4 101972 BEARING, needle thrust 1 5* 187875 GAUGE, fluid pressure; 0–30 psi(0–2 bar) (Model 2045...

12 306563 The Graco Warranty and Disclaimers WARRANTY Graco warrants all equipment listed in this manual which is manufactured by Graco and bearing its name to be free from defectsin material and workmanship on the date of sale by an authorized Graco distributor to the original purchaser for use. Gr...