Graco 308485N- User Manual

Page 2 - Symbols; Warning Symbol; Caution Symbol; CAUTION; EQUIPMENT MISUSE HAZARD; WARNING

2 308485 Symbols Warning Symbol WARNING This symbol alerts you to the possibility of seriousinjury or death if you do not follow the instructions. Caution Symbol CAUTION This symbol alerts you to the possibility of damage toor destruction of equipment if you do not follow theinstructions. EQUIPMENT ...

Page 3 - HAZARDOUS FLUIDS; SKIN INJECTION HAZARD

3 308485 HAZARDOUS FLUIDS Improper handling of hazardous fluids or inhaling toxic fumes can cause extremely serious injury ordeath from splashing in the eyes, ingestion, or bodily contamination. Know the specific hazards of the fluid you are using. Store hazardous fluid in an approved container. Dis...

Page 4 - MOVING PARTS HAZARD; FIRE AND EXPLOSION HAZARD

4 308485 MOVING PARTS HAZARD Moving parts, such as the air motor piston, can pinch or amputate your fingers. Keep clear of all moving parts when starting or operating the pump. Before servicing the equipment, follow the Pressure Relief Procedure on page 8 to prevent theequipment from starting unexpe...

Page 5 - Installation

5 308485 Installation The typical installation shown in Fig. 1 is only a guide for selecting and installing a pump; it is not an actual systemdesign. Contact your Graco representative for assistance in designing a system to suit your needs. D N A C A KEY A Bleed-type master air valve (required) B Ai...

Page 6 - System Accessories

6 308485 Installation System Accessories CAUTION Do not hang the air accessories directly on the airinlet (E). The fittings are not strong enough tosupport the accessories and may cause one ormore to break. Provide a bracket on which tomount the accessories. Three accessories are required in your sy...

Page 7 - Grounding

7 308485 Installation Grounding Proper grounding is an essential part of maintaining asafe system. To reduce the risk of static sparking, ground the pump.Check your local electrical code for detailed groundinginstructions for your area and type of equipment. Besure to ground all of the following equ...

Page 8 - Operation; Pressure Relief Procedure; Startup and Adjustment

8 308485 Operation Pressure Relief Procedure SKIN INJECTION HAZARDTo reduce the risk of serious bodilyinjury, including fluid injection or splash-ing in the eyes or on the skin, always follow this procedure whenever you shut off thepump, when checking or servicing any part of thesystem, when install...

Page 9 - Troubleshooting

9 308485 Troubleshooting INJECTION HAZARDTo reduce the risk of serious bodilyinjury, including fluid injection or splash-ing in the eyes or on the skin, always follow the Pressure Relief Procedure on page 8whenever you shut off the pump, when checking orservicing any part of the system, when install...

Page 10 - Air Motor and Throat Service; Before You Start

10 308485 Air Motor and Throat Service Before You Start Be sure you have all necessary parts on hand. Air Motor Repair Kit 207385 includes repair partsfor the motor. Use all the parts in the kit for thebest results. Parts included in the kit are markedwith one asterisk, for example (19*), in the tex...

Page 12 - Reassembly

12 308485 Air Motor and Throat Service 25 Turnlock-wiresup. Fig. 4 Cut off topsof poppets asindicated bydotted lines. 0.125” (3.18 mm) Cutaway View M 13 31 22* 21*32* 21* 32* 27 28 16 23 32* 21* 17* 31 14 17* 21* 32* 26* 27 L 26* 14 19* 04423 04422 12 13 15 15 Reassembly 1. Place the piston rod (29)...

Page 13 - Displacement Pump Service; Disassembly

13 308485 Air Motor and Throat Service 12. Slide the piston rod (29) down through the pack- ing, and lower the piston (27) into the air motorbase (28). 13. Clamp the air motor base (28) in a vise horizontally by closing the vice jaws on the flange. 14. Install the u-cup packing (107 ) with the lips ...

Page 14 - Air Motor Parts Drawing

14 308485 Air Motor Parts Drawing 06027 16 24 11 30 22* 21* 25 23 12 21* 17* 26* *19 27b 27a 31 15 13 27c 32* 29 3 20* 10 113 107 7 103 108 110 112 104 111 105 28 18 109 1 2 1 2 Torque to 40 to 60 ft-lb Torque to 95 to 105 ft-lb 3 4 Lips face up Lips face down 3 4 5 27

Page 15 - Air Motor Parts List

15 308485 Air Motor Parts List Ref.No. Part No. Description Qty. Ref.No. Part No. Description Qty. 3 101578 SCREW, cap, hex hd 8 5 102656 MUFFLER, air exhaust 1 7 116343 SCREW, grounding 1 10 112130 SEAL, pump 1 11 156698 PACKING, o-ring 1 12 158359 ACTUATOR, valve, air 2 13 158360 YOKE, rod, trip 1...

Page 16 - Displacement Pump Parts Drawing and List

T11069 113 107 103 108 110 112 104 105 109 111 101 1 Lips face up 1 16 308485 Displacement Pump Parts Drawing and List Model 237526, Series B Ref No. Part No. Description Qty. RefNo. Part No. Description Qty. 10 112130 SEAL, block, vee shown on page 14 1 101 AIR MOTOR See parts on page 14 1 103 1011...

Page 17 - Dimensions

17 308485 Dimensions 06024 11.0 in.(279 mm) groundingscrew 3/4-in. npt(f)muffler port 1/2-in. npt(f)air inlet 29.4 in.(747 mm) MODEL 237526 Series B 3/4-in. npt(f)fluid outlet 1 1/2-in. npt(f)fluid intake Note: For sealedtank mounting, usegasket 192658.

Page 18 - Mounting Hole Layout; Technical Data

18 308485 Mounting Hole Layout 4.12 in. (104.6 mm) diam-eter clearance hole 45 Four 0.406-in.(10.3 mm) holeson 7-in. (177.8mm) bolt circle 8.0 in. (203.2 mm) diameter of flange Technical Data Maximum working pressure 540 psi (3.7 MPa, 37 bar) . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....

Page 19 - Performance Chart

19 308485 0 50 100 150 200 250 300 350 400 450 500 0 2 4 6 8 10 12 Outlet Pressure vs. Outlet Flow A 40 psi (2.8 bar) air pressureB 70 psi (4.8 bar) air pressureC 100 psi (6.9 bar) air pressureD 150 psi (10.4 bar) air pressure Outlet Pressure (PSI) Performance Chart Differential Air Motor A B C D 0 ...

Table of Contents:

Summary

Other Graco Models