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Graco 204287 - page 1
INSTRUCTIONS–P ARTS LIST 306–646 Rev R Supersedes P This manual contains IMPORT ANT W ARNINGS AND INSTRUCTIONS READ AND RET AIN FOR REFERENCE GRACO INC. P .O. BOX 1441 MINNEAPOLIS, MN 55440–1441 Model 204–287 Shown BULLDOG and KING PUMPS DRUM LENGTH, WITH PRIMING PIST ON 10:1 RA TIO BULLDOG PUMPS 100 psi (7 bar) MAXIMUM AIR WORKING PRESSURE ...
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Graco 204287 - page 2
306–646 SAFETY W ARNINGS HIGH PRESSURE FLUID CAN CAUSE SERIOUS INJUR Y . FOR PROFESSIONAL USE ONL Y. OBSER VE ALL W ARNINGS. Read And Understand All Instruction Manuals Before Operating Equipment. MOVING P ARTS HAZARD KEEP HANDS AND FINGERS A WA Y FROM THE PRIMING PIST ON DURING OPERA TION AND WHENEVER THE PUMP IS CHARGED WITH AIR to reduce t ...
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Graco 204287 - page 3
3 306–646 EQUIPMENT MISUSE HAZARD General Safety Any misuse of the spray/dispensing equipment or accessories, such as overpressurizing, modifying parts, using incompatible chemicals and flu - ids, or using worn or damaged parts, can cause them to rupture and result in fluid injection, splashing in the eyes or on the skin, or other serious bod - i ...
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Graco 204287 - page 4
4 306–646 INST ALLA TION E F H J K D L KEY A Air Supply Hose to Pump B Air Line Filter C Air Regulator and Gauge D Bleed–T ype Master Air V alve E Air Line Lubricator F Pump Runaway V alve G Bleed–T ype Master Air V alve H Fluid Drain V alve J Air–Powered Ram K Gun/Dispensing V alve L Grounded Fluid Supply Hose M Whip Hose N Air Supply Hose ...
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Graco 204287 - page 5
5 306–646 OPERA TION W ARNING Pressure Relief Procedure To reduce the risk of serious bodily injury , including fluid injection, splashing in the eyes or on the skin, or injury from moving parts, always follow this pro - cedure whenever you shut of f the pump, when checking or servicing any part of the spray/dis- pensing system, when installing, ...
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Graco 204287 - page 6
6 306–646 MAINTENANCE Shutdown and Care of the Pump Always follow the Pressure Relief Procedure W arning on page 7 whenever you shut of f the pump. Stop the pump at the bottom of its stroke to keep fluid from drying on the exposed displacement rod and damaging the throat packings. Every 40 hours of operation, check that the packing nut/ wet–cup ...
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Graco 204287 - page 7
7 306–646 TROUBLESHOOTING GUIDE Pressure Relief Procedure To reduce the risk of serious bodily injury , including fluid injec - tion, splashing in the eyes or on the skin, or injury from moving parts, always follow this procedure whenever you shut of f the pump, when checking or servicing any part of the spray/dis - pensing system, when installin ...
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Graco 204287 - page 8
8 306–646 DISPLACEMENT PUMP SERVICE Moving parts can pinch or amputate your fingers or other body parts. When the pump is operating, the priming piston (located at the pump intake) and the air motor piston (located behind the air motor shield) move. Therefore, NEVER operate the pump with the air motor shield removed, and keep your fingers and han ...
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Graco 204287 - page 9
9 306–646 9. Carefully guide the intake valve housing (28) up over the priming rod (32) and install it on the cylinder (39). Insert the four tie bolts (8) through the outlet housing (26) and engage the holes in the intake valve hous - ing. T orque the tie bolts oppositely and evenly to 60 ft–lb (82 N.m). 10. Install the plate guide (31), plate ...
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Graco 204287 - page 10
10 306–646 Model 222–638 Displacement Pump (Used on Models 222–526, 222–539, 223–984 and 223–991) NOTE: Before beginning, read “Before Y ou Start” on page 8. Disassembly NOTE: Refer to Fig 3 and the parts drawing during the following procedure. 1. Remove the cotter pin (41). Unscrew the coupling nut (50) and the three tie rod locknu ...
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Graco 204287 - page 11
11 306–646 Fig 3 53 45 42 SEE DET AIL A 34 SEE DET AIL B 38 SEE DET AIL C 3 30 6 36 37 28 31 11 28 *27 29 7 21 41 8 TORQUE T O 60 ft–lb (82 N.m) 44 TORQUE T O 40–50 ft–lb (54–68 N.m) 50 52 26 62 59 61 27* 60 DISPLACEMENT PUMP 222–638 REF . NO. 2 DISPLACEMENT PUMP INCLUDES ITEMS 3–38, 56–66 66 DET AIL C LIPS OF V–P ACKINGS MUST F A ...
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Graco 204287 - page 12
12 306–646 P ARTS DRA WING – ST ANDARD PUMPS LIPS OF V–P ACKINGS MUST F ACE UP 1 (MODEL 208–356 SHOWN) 52 TORQUE T O 40–50 ft–lb (54–68 N.m) 49 **41 50 45 *15 *17 39 27* 4 26 **21 18 **42 33 19 34 *35 38 20 27* 29 27* 7 **32 11 3 **30 28 31 36 37 6 LIPS OF V–P ACKINGS MUST F ACE DOWN 8 TORQUE T O 60 ft–lb (82 N.m) **47 LUBRICA TE ...
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Graco 204287 - page 13
13 306–646 P ARTS LIST – ST ANDARD PUMPS Model 222–248, Series A 20:1 Ratio King Pump with Standard Air Motor Includes items 1–66 Model 204–287, Series K 10:1 Ratio Bulldog Pump with Standard Air Motor Includes items 1–66 Model 215–873, Series B 10:1 Ratio Bulldog Pump with Quiet Air Motor Includes items 1–66 REF NO. P ART NO. DESCR ...
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Graco 204287 - page 14
14 306–646 P ARTS DRA WING – SEVERE–DUTY PUMPS Model 222–539, Series A 20:1 Ratio King Pump with Standard Air Motor and Severe–Duty Displacement Pump Includes items 1–66 Model 223–991, Series A 20:1 Ratio King Pump with Quiet Air Motor and Severe–Duty Displacement Pump Includes items 1–66 Model 222–526, Series A 10:1 Ratio Bulld ...
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Graco 204287 - page 15
15 306–646 P ARTS LIST – SEVERE–DUTY PUMPS Model 222–539, Series A 20:1 Ratio King Pump with Standard Air Motor and Severe–Duty Displacement Pump Includes items 1–66 Model 223–991, Series A 20:1 Ratio King Pump with Quiet Air Motor and Severe–Duty Displacement Pump Includes items 1–66 Model 222–526, Series A 10:1 Ratio Bulldog P ...
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Graco 204287 - page 16
16 306–646 ACCESSORIES USE GENUINE GRACO P ARTS AND ACCESSORIES Must be purchased separately . GROUNDING CLAMP 103–538 GROUND WIRE 208–950 7.6 m (25 ft) long, 1.5 mm (12 gauge) AIR PRESSURE REGULA T OR KIT 205–712 200 psi (14 bar) MAXIMUM WORKING PRESSURE Includes bleed–type master air valve 3/4 npsm(f) SWIVEL AIR INLET UNION 3/4 npt ...
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Graco 204287 - page 17
17 306–646 ACCESSORIES USE GENUINE GRACO P ARTS AND ACCESSORIES Must be purchased separately . GRACO THROA T SEAL LIQUID Non–evaporating liquid for wet cup 206–995 1 quart (0.95 liter) 206–996 1 gallon (3.8 liter) FLUID DRAIN V AL VE 210–658 350 bar (5000 psi) MAXIMUM WORKING PRESSURE 3/8 npt(f) mbe; V iton seals 200 LITER (55 gal.) ELEV ...
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Graco 204287 - page 18
18 306–646 ACCESSORIES USE GENUINE GRACO P ARTS AND ACCESSORIES Must be purchased separately . HYDRA–MASTIC AUT OMA TIC AIRLESS SPRA Y GUN 206–660 3000 psi (210 bar) MAXIMUM WORKING PRESSURE Has a 0.180 in. (4.57 mm) fluid valve orifice and internal 3–pin safety dif fuser for spraying highly viscous, semi– solid fluids. Requires installin ...
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Graco 204287 - page 19
19 306–646 DIMENSIONS 54.75” (1391 mm) 19.625” (499 mm) ON DOWN STROKE 1–1/2” NPT(F) FLUID OUTLET OPTIONAL FLUID OUTLET 3/4 NPSM(F) AIR INLET 13.875” (352 mm) 21.25” (540 mm) 4.25” (108 mm) DIA. MOUNTING HOLE LA YOUT 1 1.25” (286 mm) DIA. AIR MOT OR BASE FLANGE USE GASKET 161–806 (ORDER SEP ARA TEL Y) FOUR 0.44” (1 1.1 mm) HOL ...
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Graco 204287 - page 20
20 306–646 TECHNICAL DA TA Air Operating Range Bulldog Models 204–287, 215–873, 222–526, and 223–984 40–100 psi (3–7 bar) . . . . . . . . . . King Models 222–248, 222–539, and 223–991 40–90 psi (3–6 bar) . . . . . . . . . . . . . . . . . . . . Air consumption Bulldog Models 204–287, 215–873, 222–526, and 223–984 13 c ...
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