Graco Dura-Flo 1200 Bulldog 237-516 Instructions-Parts List Manual Download Page 15 | Manualshive

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308-360

15

Service

Fig. 5

1

2

7

9

18

19

A

B

1

1

D

17*

8*

2

2

1

Torque to 325–353 N.m (240–260 ft-lb).

2

Lubricate.

3

Torque to 190–217 N.m (140–160 ft-lb).

03794A

3

03793A

Fig. 6

1

16

10

1

Torque to 386–407 N.m (285–300 ft-lb).

1

1

1

10

1

11*

16

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Summary of Contents for Dura-Flo 1200 Bulldog 237-516

Page 1: ...and Cylinder Part No 237 516 Pump Series A 21 1 Ratio with Bulldog Air Motor 145 bar 2100 psi Maximum Fluid Working Pressure 7 bar 100 psi Maximum Air Input Pressure Part No 237 517 Pump Series A 13...

Page 2: ...use only Read all instruction manuals tags and labels before operating the equipment Use the equipment only for its intended purpose If you are not sure call Graco Technical Assis tance at 1 800 543...

Page 3: ...kly Refer to the gun manual Be sure the gun trigger safety operates before spraying Lock the gun trigger safety when you stop spraying Follow the Pressure Relief Procedure on page 8 if the spray tip c...

Page 4: ...ree of debris including solvent rags and gasoline Electrically disconnect all equipment in the spray area Extinguish all open flames or pilot lights in the spray area Do not smoke in the spray area Do...

Page 5: ...y container follow your local code 6 Object being sprayed follow your local code 7 Solvent pails used when flushing follow your local code Use only metal pails which are conductive placed on a grounde...

Page 6: ...to the pump Locate the regulator close to the pump but upstream from the bleed type master air valve A pump runaway valve C senses when the pump is running too fast and automatically shuts off the air...

Page 7: ...ctive Air Supply Hose J Air Line Filter K Bleed Type Master Air Valve for accessories L Fluid Filter M Fluid Drain Valve required N Electrically Conductive Fluid Supply Hose P Fluid Whip Hose R Gun Sw...

Page 8: ...equired in your system having a container ready to catch the drainage 8 Leave the drain valve open until you are ready to spray again If you suspect that the spray tip or hose is completely clogged or...

Page 9: ...alve Close the valve NOTE When changing fluid containers with the hose and gun already primed open the drain valve M to help prime the pump and vent air before it enters the hose Close the drain valve...

Page 10: ...stem and flushing pails are properly grounded Refer to Grounding on page 5 Flush with a fluid that is compatible with the fluid you are pumping and with the wetted parts in your system Check with your...

Page 11: ...alves Clear the line increase the air supply Check that the valves are open Obstructed fluid hose or gun the fluid hose ID is too small Open clear use a hose with a larger ID Worn packings in the disp...

Page 12: ...ng nut 106 from the motor shaft W Do not lose or drop the coupling collars 107 See Fig 4 6 Hold the tie rod flats with a wrench to keep the rods from turning Unscrew the nuts 108 from the tie rods 105...

Page 13: ...360 13 Service 04142 Fig 4 1 2 Torque to 136 149 N m 100 110 ft lb Torque to 196 210 N m 145 155 ft lb 101 109 108 107 105 106 110 2 1 2 1 V U W 3 Torque to 81 89 N m 60 66 ft lb 3 3 Model 237 516 Sh...

Page 14: ...eals 8 from the cylinder Shine a light into the cylinder 9 to inspect the inner surface for scoring or wear Now go to step 4 If the assembly separates at joint B a Unscrew the cylinder 9 and valve hou...

Page 15: ...ice Fig 5 1 2 7 9 18 19 A B 1 1 D 17 8 2 2 1 Torque to 325 353 N m 240 260 ft lb 2 Lubricate 3 Torque to 190 217 N m 140 160 ft lb 03794A 3 03793A Fig 6 1 16 10 1 Torque to 386 407 N m 285 300 ft lb 1...

Page 16: ...e the piston packings Slide the displace ment rod 1 and piston assembly down into the cylinder 9 The cylinder is symmetrical so either end may face up Use a rubber mallet to drive the rod into the cyl...

Page 17: ...e up Lips face down 2 Ref 4 3 6 7 Ref 10 Ref 9 Ref 16 Ref 13 12 15 18 Ref 8 Ref 4 4 4 4 4 4 5 3 3 2 1 See Throat Packing Detail at left See Piston Packing Detail at left 8 Throat Packing Stack Detail...

Page 18: ...or Ref No Part No Description Qty 101 217 540 AIR MOTOR Senator See 307 592 for parts 1 102 176 529 LABEL warning 1 105 190 000 ROD tie 224 mm 8 82 shoulder to shoulder 3 106 186 925 NUT coupling 1 10...

Page 19: ...and cards are available at no cost Ref Part No No Description Qty 1 184 487 ROD displacement stainless steel 1 2 236 582 PACKING NUT stainless steel 1 7 237 186 HOUSING outlet stainless steel 1 8 109...

Page 20: ...ess steel 1 Kit also includes items 8 11 and 17 see page 19 THROAT PACKINGS LIPS FACE DOWN PISTON PACKINGS LIPS FACE UP 0805 0806 15 4 5 3 6 13 LUBRICATE PACKINGS 14 12 Teflon Packing Kit 237 179 for...

Page 21: ...ested in accordance with ISO 3744 Teflonr is a registered trademark of the DuPont Co NOTE Recommended pump speed for continuous operation to shaded area 60 cpm To find Fluid Outlet Pressure bar psi at...

Page 22: ...Teflonr Leather Tested in accordance with ISO 3744 Teflonr is a registered trademark of the DuPont Co NOTE Recommended pump speed for continuous operation to shaded area 60 cpm To find Fluid Outlet P...

Page 23: ...28 mm 3 712 11 1 mm 0 437 DIA 4 94 28 mm 3 712 0653 Three M16 x 2 0 Holes Pump Model A B C D E F G 237 516 1134 mm 44 65 in 590 mm 23 23 in 544 mm 21 42 in 257 mm 10 12 in 2 in npt f 1 in npt f 3 4 n...

Page 24: ...repairs will be made at a reasonable charge which charges may include the costs of parts labor and transportation DISCLAIMERS AND LIMITATIONS The terms of this warranty constitute purchaser s sole an...

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