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307–050

Rev. J

Supersedes Rev. G

and PCN H

INSTRUCTIONS-PARTS LIST

INSTRUCTIONS

This manual contains important
warnings and information.
READ AND KEEP FOR REFERENCE.

BULLDOG

Adjust-A-Stroke Air Motor

Model 210–302, Series E
Stroke Adjustor (only) 207–583

Stroke adjuster infinitely varies the stroke length from
1–9/16 to 4–1/4 inches (39.5 – 106 mm).

Three digit indicator allows repeat settings with +/– 1%
accuracy.

These air motors and special order air motor 952–356
can be used with any of the displacement pumps
shown in the chart on pages 20 and 21. The chart also
gives the required connecting parts and pump dimen-
sions.

01812

GRACO INC.

P.O. BOX 1441

MINNEAPOLIS, MN

55440–1441

COPYRIGHT 1993, GRACO INC.

Graco Inc. is registered to I.S. EN ISO 9001

Summary of Contents for BULLDOG 210-302

Page 1: ...finitely varies the stroke length from 1 9 16 to 4 1 4 inches 39 5 106 mm Three digit indicator allows repeat settings with 1 accuracy These air motors and special order air motor 952 356 can be used with any of the displacement pumps shown in the chart on pages 20 and 21 The chart also gives the required connecting parts and pump dimen sions 01812 GRACO INC P O BOX 1441 MINNEAPOLIS MN 55440 1441 ...

Page 2: ...ious injury D This equipment is for professional use only D Read all instruction manuals tags and labels before operating the equipment D Use the equipment only for its intended purpose If you are unsure about usage call your Graco distributor D Do not alter or modify this equipment D Check equipment daily Repair or replace worn or damaged parts immediately D Do not exceed the maximum working pres...

Page 3: ...gun at anyone or at any part of the body Do not put your hand or fingers over the spray tip Do not stop or deflect leaks with your hand body glove or rag Always have the tip guard and the trigger guard on the gun when spraying 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 7 if the spray tip cl...

Page 4: ...d gasoline Before operating this equipment electrically disconnect all equipment in the spray area Before operating this equipment extinguish all open flames or pilot lights in the spray area Do not smoke in the spray area Do not turn on or off any light switch in the spray area while spraying or while operating if fumes are present Do not operate a gasoline engine in the spray area TOXIC FLUID HA...

Page 5: ... securely Connect the other end of the wire to a true earth ground Order part number 222 011 Grounding Clamp and Wire 2 Air and fluid hoses use only electrically conductive hoses 3 Air compressor follow manufacturer s recommen dations 4 Spray gun or dispensing valve ground through connection to a properly grounded fluid hose and pump 5 Object being sprayed follow your local code 6 Solvent pails us...

Page 6: ...the stroke See page 9 for adjusting instructions Never force the adjusting knob if it does not turn easily service the adjusting mechanism see page 11 Grounding Before operating the air motor or system be sure the pump and all system components are thoroughly grounded See page 5 Accessories Many accessories mentioned or shown in the Typical Installation are available from Graco See ACCESSO RIES on...

Page 7: ...leed type master air valve required in your system 4 Disengage the gun safety latch Hold a metal part of the gun or valve firmly to a grounded metal waste container and trigger it to relieve the fluid pressure Engage the safety latch 5 Open the pump drain valve required in your system having a container ready to catch the drainage 6 Leave the drain valve open until you are ready to spray again If ...

Page 8: ...r shield 01814 1 2 to 3 4 12 19 mm 31 73 32 M PISTON IN DOWN POSITION N 30 29 Fig 2 5 To change the stroke length first be sure the motor air regulator D is closed Then open the master air valve A Slowly open the air regulator until the mo tor starts Then loosen the locking knob 19 of the stroke adjustor 3 and turn the adjusting knob 20 counterclockwise to shorten the stroke Now tighten the lockin...

Page 9: ...aximum Full Stroke Output to determine the Output Range Number 7 Divide the Variable Number by the Output Range Number to determine the Percent of Range 8 Multiply the Percent of Range by 4 83 a constant number to determine the Trial Setting EXAMPLE 1 In this example the Maximum Full Stroke Output is 8 oz The Container Size is 20 oz 2 0 375 37 1 2 Constant Number x 8 Maximum Full Stroke Output 3 M...

Page 10: ...anifold Connect the air hose Open the bleed type master air valve A and slowly open the air regulator D use the Check Chart to determine the source of the leak WARNING To reduce the risk of pinching or amputating your fingers keep them clear of all moving parts in the motor and keep them out of the exhaust openings Check Chart NOTE The reference numbers in the Check Chart refer only to Fig 4 Strok...

Page 11: ...ng knob 20 and then remove the gear 14 5 Remove the end plate 18 Remove the setscrew 6 from the gear 14 Pull out the shaft 22 and indica tor 12 and then remove the gear 14 CAUTION Be careful not to drop or damage the indicator 12 which can be easily damaged 6 If you need to replace the indicator 12 loosen the two setscrews 11 in the shaft 22 and pull the indi cator off of the shaft When installing...

Page 12: ... dam aged Remove the washer 60 and pad 61 7 While holding in the director valves 74 push the motor piston up from the bottom of the base 2 Turn the air valve housing 64 so it rests on the manifolds 78 Remove the spring 59 o ring 52 and air di rector valve 74 from each side of the housing 8 Pull the trip rod 33 up as far as possible and grasp it with the special locking pliers order part no 207 579...

Page 13: ...0 33 89 Fig 7 Reassembly See Fig 9 1 Clean all parts thoroughly and inspect for wear or damage Replace parts as necessary 2 Screw the bottom socket 71 into the piston rod 90 the number of turns you counted in Step 16 above The end of the socket should extend 1 8 in 3 mm from the piston 89 Slide the trip rod into the piston Install the top socket 72 turning it clockwise until the socket is flush wi...

Page 14: ...er 81 the trip rod 33 and the piston stud 73 Be sure the gasket 53 is properly located on the base 2 8 Guide the piston assembly and cylinder into the base aligning the cylinder and base correctly Install the lockwashers 39 and screws 44 snugly 9 Install a washer 54 and v packing 55 in the bearing 1 so the lips of the v packing face down in the cylinder Install the o ring 51 on the bearing 10 Inst...

Page 15: ...ch side of the air valve housing Hold the parts in at the top and carefully rotate the valve hous ing until it slides down between the manifolds Be very careful not to pinch your fingers 17 Recheck the clearance by holding the air valve spacer tool up close to the manifold 18 Grease the plunger 83 and guide 67 and install them with the spring 68 into each side of the detent housing 82 Loosely scre...

Page 16: ... 88 82 84 47 74 76 52 59 64 72 62 89 90 33 71 50 73 56 57 2 29 31 30 70 58 63 45 41 42 66 68 67 83 85 86 61 60 65 42 69 1 51 54 55 61 60 81 44 39 53 78 75 35 37 46 40 43 38 80 01826 28 3 1 See seperate parts list on page 18 1 ...

Page 17: ...G o ring nitrile rubber 2 53 161 556 GASKET cylinder 1 54 161 559 WASHER flat leather 1 55 161 560 V PACKING leather 1 56 161 562 V PACKING buna N 1 57 161 563 WASHER flat leather 1 58 161 569 SEAL plain encased 1 59 161 575 SPRING compression 2 60 161 576 WASHER flat steel 2 61 161 577 PAD dampener rubber 2 62 161 578 PACKING o ring nitrile rubber 1 63 176 305 PLATE name 1 64 161 585 HOUSING air ...

Page 18: ...REW soc hd cup pt 3 48 x 3 16 2 12 102 682 INDICATOR odometer 1 13 151 395 WASHER flat steel No 5 1 14 168 028 GEAR bevel 2 REF NO PART NO DESCRIPTION QTY 15 168 031 COVER housing 1 16 168 032 HOUSING stroke adjuster 1 17 168 033 SCREW shoulder hex hd 3 8 24 x 1 11 32 2 18 168 034 PLATE instruction 1 19 168 035 KNOB locking 1 20 168 036 KNOB adjusting 1 21 168 037 SHAFT adjusting 1 22 168 038 SHAF...

Page 19: ...ing changes have been added to this manual The entire manual was updated electronically The air motor base for assembly 210 302 Ref 2 was changed from Part No 206 782 to 235 995 Technical Data Effective piston area 38 sq in 2470 mm2 Piston diameter 7 in 177 8 mm Stroke 1 9 16 to 4 1 4 in 39 5 106 mm continuously variable Air valves Nitralloy dual slide type Valve housing Balanced opposing seals an...

Page 20: ...T T DB 32 25 819 1 mm 210 302 206 792 166 041 620 058 166 625 None CST L DB 206 281 32 375 822 3 mm 210 302 207 655 168 212 620 013 165 950 None SD T U PP 222 526 31 375 796 9 mm 208 356 222 638 166 041 620 057 None None 20 1 Bulldog CST L U DB 218 985 20 906 503 mm 210 302 217 527 168 212 620 060 None None 25 1 Bulldog CST T U PP 217 565 32 75 831 8 mm 210 302 217 201 168 212 620 013 None None SD...

Page 21: ...12 620 013 None None SD T U PP 222 545 32 75 831 8 mm 207 647 222 639 168 212 620 013 None None KEY Packing Material Piston Type Cylinder Material L Leather T PTFE DB Double Ball CST Nitrated Carbon Steel N Neoprene U UHMWPE DP Double Poppet SST Stainless Steel R Rubber PP Priming Piston SD Severe Duty ADJUST A STROKE Pump Specifications Pump Air Motor Diameter Inch mm Piston Stroke Range Inch mm ...

Page 22: ... Notes ...

Page 23: ... Notes ...

Page 24: ...S FOR A PARTICULAR PUR POSE Graco s sole obligation and buyer s sole remedy for any breach of warranty shall be as set forth above The buyer agrees that no other remedy including but not limited to incidental or consequential damages for lost profits lost sales injury to person or prop erty or any other incidental or consequential loss shall be available Any action for breach of warranty must be b...

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