Instruction/ maintenance manual of the product 307-730 Graco Inc.
Go to page of 20
APPLICA TION EQUIPMENT FROM GRACO INSTRUCTIONS-P ARTS LIST 307–730 Rev G Supersedes E (and F , not published) 1/4 Gallon Per Minute, 120 V AC, 60 Hz PT2000 Pressure Roller System 250 psi (17.
307-730 CAUTION T o avoid premature wear of the pressure switch, never use more than 25 ft (7.6 m) of 1/4” ID outlet hose. When longer outlet hose is needed, use 3/8” ID hose at a maximum of 100 ft (30 m) long. Never use 1/4” ID and 3/8” ID hose together .
3 307-730 A VERTISSEMENT Assurez–vous que tous les utilisateurs de cet équipment lisent, comprennent et observent les avertissements et les instructions de ce manuel! SECURITE GENERAL Faites extrêmement attention de ne pas éclabousser de peinture, d’eau de rinçage sale ni de solvant dans les yeux.
4 307-730 ADVERTENCIA Asegurarse de que todos los operadores de este equipo lean, entiendan y repeten las precauciones e instrucciones indicadas en este manual. SEGURIDAD EN GENERAL T ener extremo cuidado de no salpicarse los ojos con pintura, agua de enjuague contaminada o solvente.
5 307-730 PT2000 PRESSURE ROLLER SYSTEM DESCRIPTION SUCTION HOSE PRIMING TUBE INLET V AL VE MOTOR ON/OFF SWITCH POWER SUPPL Y CORD ROLLER V AL VE PRIMING V AL VE P AINT FIL TER 25 FT . (7.6 M) HOSE 18 INCH EXTENSION 9 INCH ROLLER FRAME ROLLER COVER 0285 Motor The motor drives the connecting rod which moves the diaphragm.
6 307-730 SETUP SUCTION HOSE PRIMING TUBE INLET V AL VE MOTOR ON/OFF SWITCH POWER SUPPL Y CORD ROLLER V AL VE PRIMING V AL VE P AINT FIL TER 25 FT . (7.
7 307-730 ST ARTUP Pressure Relief Procedure To reduce the risk of serious bodily injury , including injury from moving parts, or electric shock, always follow this procedure whenever you shut of f the sys - tem, when checking or servicing any part of the sys - tem and whenever you stop painting.
8 307-730 MAINTENANCE Thorough flushing and proper maintenance are essential to keep your system working properly . Improper flushing or maintenance may prevent the system from working the next time you need it, and may result in costly damage to the system.
9 307-730 Flushing Procedure (Oil-based Paint Only) NOTE: Follow the instructions on page 8, except use mineral spirits. DO NOT heat the mineral spirits. Installing and Removing a Roller Cover (See Fig 4.) 1. T o install a cover , hold the dif fuser and unscrew the retainer nut.
10 307-730 TROUBLESHOOTING GUIDE Pressure Relief Procedure To reduce the risk of serious bodily injury , including injury from moving parts, or electric shock, always follow this procedure whenever you shut of f the sys - tem, when checking or servicing any part of the sys - tem and whenever you stop painting .
11 307-730 Roller V alve W ARNING Always follow the Pressure Relief Procedure W arning on page 10 before attempting any repair . NOTE: Order Repair Kit P/N 218–960 to repair this roller valve. 1. T ap out the pin (A) from the trigger (B) and slide the trigger of f of the valve (N).
12 307-730 Pressure Relief Procedure To reduce the risk of serious bodily injury , including injury from moving parts, or electric shock, always follow this procedure whenever you shut of f the sys - tem, when checking or servicing any part of the sys - tem and whenever you stop painting .
13 307-730 Pressure Switch (See Fig 1 1, 12 & 13 .) 1. Disconnect the pressure switch leads from the ON/ OFF switch and from the rectifier . See Fig 1 1. 2. Remove the front cover (23). See Fig 13 . 3. Unscrew the retainer (14) and remove the pressure switch (12) and o-ring (12a).
14 307-730 Diaphragm (See Fig 14 .) CAUTION Replace the diaphragm whenever you remove the pump housing (9), or after each 100 hours of use, whichever comes first. During use, small grooves are formed in the diaphragm which cannot be re- aligned properly .
15 307-730 Connecting Rod and Bearing (See Fig 16 .) 1. Remove the front cover (23). Remove the screws (15). Carefully tip back the pump housing. Unscrew the diaphragm (17) and discard it. CAUTION Replace the diaphragm whenever you remove the pump housing (9), or after each 100 hours of use, whichever comes first.
16 307-730 P ARTS DRA WING Part of 10 page 17 LUBRICA TE, TORQUE T O 85 in–lb (9.6 N.m) SEE DET AIL A, page 17 PRESS FIT INT O 22 34 68 67 28 43 33 33 39 25 26 69 36 30 32 44 47 45 46 15 16 22 11 17.
17 307-730 P ARTS DRA WING TORQUE T O 55–65 in–lb (6.2–7.4 N.m) 0788 0303 0244 94 62 or 89 63a 63a 63 93 60 64 12a 12 14 1 3 10 9 2f 2e 2d 2c 2b 2a 2 APPL Y SEALANT TO THREADS TORQUE T O 80–100 in–lb (13.5–16 N.m) TORQUE T O 280–300 in–lb (32–34 N.
18 307-730 P ARTS LIST Model 218–938, Series B Includes items 1–96 Model 223–660, Series A (Basic Unit) Includes items 1–54, 65–84, 96 Ref No. Part No. Description Qty 1 220–930 HOUSING, valve, inlet 1 2 218–977* OUTLET V AL VE KIT Includes items 2a–2f 1 2a 222–349 .
19 307-730 ACCESSORIES Must be purchased separately . CAUTION T o avoid premature wear of the pressure switch, never use more than 25 ft. (7.6 m) of 1/4” ID outlet hose. When longer outlet hose is needed, use 3/8” ID hose at a maximum of 100 ft (30 m) long.
20 307-730 TECHNICAL DA TA Maximum Operating Pressure 250 psi (17.5 bar) . . . . . Power Requirements 120 V AC, 60 Hz, . . . . . . . . . . . . . 1 Phase, 1.0 Amp Pump Output 1 gallon (3.8 liter) in 5 minutes . . . . . . . . . Power Supply Cord No. 16 A WG, 3 wire, .
An important point after buying a device Graco Inc. 307-730 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Graco Inc. 307-730 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Graco Inc. 307-730 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Graco Inc. 307-730 you will learn all the available features of the product, as well as information on its operation. The information that you get Graco Inc. 307-730 will certainly help you make a decision on the purchase.
If you already are a holder of Graco Inc. 307-730, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Graco Inc. 307-730.
However, one of the most important roles played by the user manual is to help in solving problems with Graco Inc. 307-730. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Graco Inc. 307-730 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
