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Resumen del manual
If a manual is missing or you need additional copies, copies are available from Graco at no charge. All Models (See Fig 2) DO NOT install the spray tip in the gun yet. Install an air line filter (H) in the main air line, to remove harmful dirt and moisture from the compressed air supply. Install a bleed–type master air valve (J) close to the pump air inlet, and downstream from the pump air regulator (K). Install a second bleed valve (L) upstream from all other accessories, to isolate the accessories for servicing.Connect an air supply hose between the main air supply line and the sprayer’s air inlet swivel (1). WARNING The bleed-type master air valve (J), air relief valve (9), and fluid drain valve (E) are required in your system, to help reduce the risk of serious injury including fluid injection, splashing in the eyes or on the skin, overpressurization, or injury from moving parts if you are adjusting or repairing the pump. The bleed-type master air valve relieves air trapped between this valve and the pump. Trapped air can cause the pump to cycle unexpectedly. The air relief valve (supplied) opens automatically to relieve air pressure to the pump if the pressure exceeds a preset level. This valve prevents over- pressurization of the spray gun. The fluid drain valve assists in relieving fluid pressure in the displacement pump, hose, and gun; triggering the gun to relieve pressure may not be sufficient. 307–636 . Installation Assembling Sprayer Model 231–015 (See Fig 2) Connect the gun air supply hose (71) between the air inlet (A) of the gun (70) and the nipple (14) at the outlet of the gun air regulator (B). Connect the gun fluid supply hose (72) between the gun fluid inlet (C) and the ball valve (D) mounted in the side outlet of the fluid filter (25). WARNING To reduce the risk of serious injury, never connect a fluid hose to the drain valve (E) mounted in the bottom outlet of the fluid filter (25). This valve is for use only as a drain valve, to relieve fluid pressure in the system during shutdown. Assembling Sprayer Model 230–978 (See Fig 2) Remove the plug button (64) from the hole (F) in the pail cover (40). Assemble the fluid regulation kit (75) as shown in Detail A and Detail B of Fig 2. Install the regulator mounting bracket (75k) on the regulator (75f), using the two screws (75p) and lockwashers (75q). Mount the assembled regulator kit on the pail cover with the capscrew (75l), washer (75m) and nut (75n). Connect the regulator hose (75h) between the nipple (75b) at the regulator inlet (G) and the ball valve (D) mounted in the side outlet of the fluid filter (25). Connect the gun air supply hose (71) between the air inlet (A) of the gun and the nipple (14) at the outlet of the gun air regulator (B). Connect the gun fluid supply hose (72) between the gun fluid inlet (C) and the nipple (75b) mounted in the pipe cross (75c). WARNING To reduce the risk of serious injury, never connect a fluid hose to the drain valve (E) mounted in the bottom outlet of the fluid filter (25) or the drain valve (75a) mounted in the pipe cross (75c) of the fluid regulation kit. These valves are for use only as drain valves, to relieve fluid pressure in the system during shutdown. . 307–636 Installation Fig. 2 DETAIL B DETAIL A DETAIL C 71 A 14B 72 C D 25 E 64, F 40 75k 75f 75p75q 75l 75m 75n 75h 75b 75b 75c 75a 75e 75d 75j K 1 Y MAIN AIR SUPPLY 25 75h D 75l 75m 75n Ref No. 75 includes items 75a–75q. G 75h75b 75c 75a 70 9 H L INSTALL BLEED–TYPE MASTER AIR VALVE (J) AT PUMP AIR IN- LET, DOWNSTREAM FROM ALL OTHER AIR ACCESSORIES AIR SUPPLY HOSE AIR SUPPLY HOSE 307–636 WARNING Never connect a spray hose to these valves. They are for use only as drain valves, to relieve system fluid pressure. Operation Pressure Relief Procedure 4. Unlock the spray gun trigger safety. WARNING INJECTION HAZARD Fluid under high pressure can be injected through the skin and cause serious injury. To reduce the risk of an injury from injection, splashing fluid, or moving parts, follow the Pressure Relief Procedure whenever you: . are instructed to relieve the pressure, . stop spraying, . check or service any of the system equipment, . or install or clean the spray tip. 1. Lock the spray gun trigger safety. 2. Shut off the air to the pump. 3. Close the bleed-type master air valve (required in your system). 5. Hold a metal part of the gun firmly to the side of a grounded metal pail, and trigger the spray gun to relieve pressure. 6. Lock the spray gun trigger safety. 7. Open the drain valve connected to the fluid filter outlet, and all other drain valves used in the system (such as in systems using fluid regulation), to help relieve fliud pressure in the displacement pump, hose, and gun. Triggering the gun to relieve pressure may not be sufficient. Have a container ready to catch the drainvage. 8. Leave the drain valve(s) open until you are ready to spray again. If you suspect that the spray tip or hose is completely clogged, or that pressure has not ...
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