Graco 306982ZAA User's Manual
Contents
1. This warranty is conditioned upon the prepaid return of the equipment claimed to be defective to an authorized Graco distributor for verification of the claimed defect If the claimed defect is verified Graco will repair or replace free of charge any defective parts The equipment will be returned to the original purchaser transportation prepaid If inspection of the equipment does not disclose any defect in material or workmanship repairs will be made at a reasonable charge which charges may include the costs of parts labor and transportation THIS WARRANTY IS EXCLUSIVE AND IS IN LIEU OF ANY OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO WARRANTY OF MERCHANTABILITY OR WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE 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 property or any other incidental or consequential loss shall be available Any action for breach of warranty must be brought within two 2 years of the date of sale Graco makes no warranty and disclaims all implied warranties of merchantability and fitness for a particular purpose in connection with accessories equipment materials or components sold but not manufactured by Graco These items sold but not manufactured by Graco such as electric motors s2. 1 Engage the spray gun dispensing valve safety latch 2 Shut off the air to the motor 3 Close the bleed type master air valve required in your system 4 Disengage the gun valve safety latch 5 Hold a metal part of the gun valve firmly to the side of a grounded metal pail and trigger the gun valve to relieve pressure 6 Engage the gun valve safety latch 7 Open the pump drain valve required in your system having a container ready to catch the drainage 8 Leave the drain valve open until you are ready to spray dispense again If you suspect that the spray tip nozzle or hose is completely clogged or that pressure has not been fully relieved after following the steps above very slowly loosen the tip guard retaining nut or hose end coupling and relieve pressure gradually then loosen completely then clear the tip nozzle or hose 6 306982 A WARNING A bleed type master air valve is required in your system to reduce the risk of serious bodily injury from moving parts if you are adjusting or repairing the air motor The bleed type master air valve relieves air trapped between this valve and the motor after the air regulator is shut off Trapped air can cause the motor and pump to cycle unexpectedly Install the valve between the pump air inlet and the air regulator within easy reach of the pump A WARNING Moving parts can pinch or amputate your fingers or other body parts When the pump is operating
3. 8 6 kg Sound level at 180 psi 1 2 MPa 12 bar 25 cycles per minute e eects 98 dBa Sound power level at 180 psi 1 2 MPa 12 bar 25 cycles per minute 00 cece eee eee 113 dBa Tested in accordance with ISO 3744 306982 25 Graco Standard Warranty Graco warrants all equipment manufactured by Graco and bearing its name to be free from defects in material and workmanship on the date of sale to the original purchaser for use With the exception of any special extended or limited warranty published by Graco Graco will for a period of twelve months from the date of sale repair or replace any part of the equipment determined by Graco to be defective This warranty applies only when the equipment is installed operated and maintained in accordance with Graco s written recommendations This warranty does not cover and Graco shall not be liable for general wear and tear or any malfunction damage or wear caused by faulty installation misapplication abrasion corrosion inadequate or improper maintenance negligence accident tampering or substitution of non Graco component parts Nor shall Graco be liable for malfunction damage or wear caused by the incompatibility of Graco equipment with structures accessories equipment or materials not supplied by Graco or the improper design manufacture installation operation or maintenance of structures accessories equipment or materials not supplied by Graco
4. Before checking or servicing the equipment follow the Pressure Relief Procedure on page 6 to prevent the equipment from starting unexpectedly 306982 3 A WARNING FIRE AND EXPLOSION HAZARD Improper grounding poor ventilation open flames or sparks can cause a hazardous condition and re sult in a fire or explosion and serious injury Ground the equipment and the object being sprayed Refer to Grounding on page 5 If there is any static sparking or you feel an electric shock while using this equipment stop spray ing immediately Do not use the equipment until you identify and correct the problem Provide fresh air ventilation to avoid the buildup of flammable fumes from solvents or the fluid being sprayed Keep the spray area free of debris including solvent rags and 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 HAZARD Hazardous fluid or toxic fumes can cause serious injury or death if splashed in the eyes or on the skin inhaled or swallowed e Be sure that all fluids and solvents used are chemically compatible with the wetted parts shown in the Technical Data
5. follow the instructions A WARNING EQUIPMENT MISUSE HAZARD Equipment misuse can cause the equipment to rupture or malfunction and result in serious injury R e na INSTRUCTIONS This equipment is for professional 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 your Graco distributor Do not alter or modify this equipment Check equipment daily Repair or replace worn or damaged parts immediately Do not exceed the maximum working pressure stated on the equipment or in the Technical Data for your equipment Do not exceed the maximum working pressure of the lowest rated component in your system Use fluids and solvents which are compatible with the equipment wetted parts Refer to the Tech nical Data section of all equipment manuals Read the fluid and solvent manufacturer s warnings Handle hoses carefully Do not pull on hoses to move equipment Route hoses away from traffic areas sharp edges moving parts and hot surfaces Do not expose Graco hoses to temperatures above 66 C 150 F or below 40 C 40 F Wear hearing protection when operating this equipment Do not move or lift pressurized equipment Comply with all applicable local state and national fire electrical and safety regulations Never exceed 180 psi 1 2 MPa 12 bar air pressure to the motor and never exceed the stated
6. repair kit when ordered as a replacement part 7 102975 SCREW rd hd mach 6 32 x 1 4 in 8 158361 CLIP spring 9 BARE PISTON not sold separately 10 114422 SCREW pan head 8 32 x 3 8 in 11 101578 SCREW hex head Nylock 8 32 x 3 8 in 12 150647 GASKET copper 13 156698 O RING Buna N 14 158359 ACTUATOR valve 15 158360 YOKE rod trip 16 158362 PIN toggle 17 158364 ROCKER toggle 18 158367 GROMMET rubber 19 158377 SEAL flat ring nitrile rubber 20 158378 SEAL o ring nitrile rubber 21 158379 SEAL o ring nitrile rubber 22 160261 NUT adjusting 23 160618 LOCKWIRE transfer valve 24 160623 ARM toggle 25 160896 STEM valve Qty A A AL La 1 2 2 1 0 2 MONMNNAPHAHHNMNNNH HH HO Parts Ref No Part No Description Qty 26 164704 NUT cylinder cap 1 27 162629 CYLINDER motor air 1 28 178270 PLATE muffler 2 29 166235 ROD piston 1 30 167585 SPRING helical compression 2 31 177844 PLATE identification 1 32 184120 BASE motor air 1 33 170708 POPPET valve urethane 2 34 170709 POPPET valve urethane 2 35 104029 LUG grounding 1 36 104582 WASHER tab 1 37 180233 LABEL warning 2 38A 177843 PLATE warning 1 kk A Recommended spare parts to keep on hand Included in Repair Kit 207385 Must be purchased separately If users of this equipment do not read English you may order one of the following labels to apply to your air motor Apply the label over the matching label on th
7. section of your pump manual Always read the manufacturer s literature before using fluid or solvent in your pump Know the specific hazards of the fluid you are using Store hazardous fluid in an approved container Dispose of hazardous fluid according to all local state and national guidelines Always wear protective eyewear gloves clothing and respirator as recommended by the fluid and solvent manufacturer United States Government safety standards have been adopted under the Occupational Safety and Health Act You should consult these standards particularly the General Standards Part 1910 and the Construction Standards Part 1926 4 306982 Installation General Information NOTE Reference numbers and letters in parentheses e Spray gun and dispensing valve Ground through in the text refer to the callouts in the figures and the connection to a properly grounded fluid hose and parts drawing pump NOTE Always use Genuine Graco Parts and e Object being sprayed Follow your local code Accessories available from your Graco distributor e Solvent pails used when flushing Follow your local Grounding code Use only metal pails which are conductive placed on a grounded surface Do not place the pail A WARNING on a nonconductive surface such as paper or cardboard which interrupts the grounding FIRE AND EXPLOSION HAZARD continuity Pelore aperating thie pump ground the e To maintain grounding continuity when flushi
8. 0 0NDU DV Part No 207150 207391 102975 158361 114422 16H224 101525 101526 101578 150647 156698 158359 158360 158362 158364 167585 158367 158377 158378 158379 160261 160618 160623 160896 Description Qty TRIP ROD 1 PISTON includes items 3 to 5 also includes 207385 repair kit when ordered as a replacement part SCREW rd hd mach 6 32 x 1 4 in CLIP spring BARE PISTON not sold separately SCREW pan head 8 32 x 3 8 in 2 SEAL wiper polyurethane RING retainer BEARING bronze SCREW hex head Nylock 8 32 x 3 8 in GASKET copper O RING Buna N ACTUATOR valve YOKE rod trip PIN toggle ROCKER toggle SPRING helical compression GROMMET rubber SEAL flat ring nitrile rubber SEAL o ring nitrile rubber SEAL o ring nitrile rubber NUT adjusting LOCKWIRE transfer valve ARM toggle STEM valve db 4A O 8 ph MONMNNAHHHNMNNHNN HHH HOw Ref No PartNo Description Qty 26 162628 ROD piston 1 27 162629 CYLINDER motor air 1 28 178270 PLATE muffler 1 29 162663 BASE motor air 1 30 164704 NUT cylinder cap 1 31 177844 PLATE identification 1 32 170708 POPPET valve urethane 2 33 170709 POPPET valve urethane 2 34 104029 LUG grounding 1 35 104582 WASHER tab 1 36 180233 LABEL warning 2 374A 177841 PLATE warning 1 38 178269 PLATE muffler 1 ak A Recommended spare parts to keep on hand Included in Repair Kit 207385 Mus
9. 5 160896 STEM valve Qty A A AL La 1 2 2 1 0 2 MONMNNAPHAHHNMNNNH HH HO Parts Ref No Part No Description Qty 26 161435 NUT cylinder cap 1 27 162629 CYLINDER motor air 1 28 178270 PLATE muffler 2 29 166235 ROD piston 1 30 167585 SPRING helical compression 2 31 177844 PLATE identification 1 32 168656 BASE motor air 1 33 170708 POPPET valve urethane 2 34 170709 POPPET valve urethane 2 35 104029 LUG grounding 1 36 104582 WASHER tab 1 37 180233 LABEL warning 2 38A 177843 PLATE warning 1 kk A Recommended spare parts to keep on hand Included in Repair Kit 207385 Must be purchased separately If users of this equipment do not read English you may order one of the following labels to apply to your air motor Apply the label over the matching label on the air motor plate for good visibility Do not cover the air exhaust holes Order the labels free of charge directly from Graco Contact your distributor to order German 290467 French 290466 Spanish 290468 306982 21 Parts Model 222772 Series G for divorced mountings 1 includes items 2 to 4 306982 22 Model 222772 Series G for divorced mountings Ref No Part No Description 1 205529 PACKING NUT includes items 2 to 4 2 16H224 SEAL wiper polyurethane 3 101526 BEARING bronze 4 164701 NUT packing 5 207150 TRIP ROD 6 207391 PISTON includes items 7 to 9 also includes 207385
10. Instructions Parts List GRACO E 306982ZAA President Air Motors For use with Graco fluid handling pumps See your pump instruction manual for Maximum Working Pressure Model 205647 Series M For in line mounting medium pressure oil pump Model 206078 Series M For in line mounting high pressure grease pump Model 205038 Series N For stanchion tube mounting Model 207352 Series G For divorced mounting Model 222772 Series G For divorced mounting Important Safety Instructions X Read all warnings and instructions in this manual Save these instructions Table of Contents Warnings p AEA KURRE ae 2 Installati n iieyaa ake er iaia 5 Operation iii ita 7 SOWICE 24 Pe ait aioe tae E EE E 8 Parts Drawings and Parts LIsts Model 205647 2c cece eee eee 14 Model 206078 cc eee eee eee ee 16 Model 205038 eee eee 18 Model 207952 pil ia ai 20 Model 207352 Shown Model 222772 i e era 22 Mounting Hole Layouts 24 Dimensional Drawing 24 Technical Data cece eee eee 25 Graco Standard Warranty 26 Graco Phone Number 26 PROVEN QUALITY LEADING TECHNOLOGY Symbols Warning Symbol Caution Symbol This symbol alerts you to the possibility of serious This symbol alerts you to the possibility of damage to injury or death if you do not follow the instructions or destruction of equipment if you do not
11. can pinch or amputate your fingers or other body parts Therefore never operate the pump with the air motor plates removed See Fig 4 on page 12 and the Parts Drawing on page 16 1 Clamp the pump in a vise and unscrew the displacement cylinder CC from the air motor base J Pull the displacement cylinder away from the air motor until the cotter pin DD which secures the displacement pump connecting rod to the air motor piston rod FF is visible See Fig 4 2 Remove the cotter pin DD and unscrew the pump connecting rod EE from the air motor piston rod FF See Fig 4 Remove the cylinder G from the air motor base J as described under Disassembly on page 8 3 Remove one louvered air exhaust plate BB and unscrew the throat packing nut HH using a spanner wrench or a 0 22 in 5 6 mm diameter rod See Fig 4 4 Remove the packing nut 45t male and female glands 471 48t v packings 49T washer 44t bearing 46T retainer 241 wiper 221 o ring 23t u cup 25t and washer 26t from the base 5 Clean the throat packing area in the base and the packing nut Clean and inspect all parts and replace as necessary 6 Lubricate the packings piston rod and piston flange with a light waterproof grease 7 Install the washer 26T into the base Assemble the packing 25t and the wiper 22T into the retainer 24T Install the o ring 23T onto the retainer and insert the retainer assembly i
12. e air motor plate for good visibility Do not cover the air exhaust holes Order the labels free of charge directly from Graco Contact your distributor to order German 290467 French 290466 Spanish 290468 306982 23 Mounting Hole Layouts 3 Tie Rod Pumps 4 38 in 111 3 mm dia 2 5 in 64 mm 5 in 127 mm 0 28 in 7 2 mm dia 2 Stanchion Tube Pumps 161322 GASKET three fa 0 34 in 8 6 mm f dia holes on 6 38 in 162 1 mm bolt circle 2 5 in 64 mm 1 in 25 mm radius 25 in 4 in 102 mm 64 mm In Line Pumps 1 4 20 holes x amp gasket 161096 e C5 two 0 31 in 7 9 3 25 in 82 6 mm DIA mm dia holes on 5 in 127 mm bolt circle 0 88 in 22 4 mm dia 24 306982 Dimensional Drawing 14 75 in 375 mm 7 25 in Models 184 2 mm 205647 diameter 206078 207352 1 2 16 45 in 418 mm npt Models eal 205038 222772 Technical Data Maximum inbound air pressure teens 180 psi 1 2 MPa 12 bar Effective piston area oi cde ee a ati de lai 14 sq in 90 cm2 Effective piston diameter 4 25 in 108 mm Stroke cose Duce ee ceed date dene ERI IL eee ee Lee as 4 in 102 mm AIRVAIVOS o ibi olii tient i ba Se eee ae Mea IR pend eee eee Transfer nitrile rubber Exhaust urethane Valve MOCHA ISIN csrl pei E E E balanced detented SOA ec Sia Ao dia eR ae eR eee Te ERE Nitrile rubber Wight cate st ene e La Reade kadai dalai approx 19 Ib
13. epair kit when ordered as a replacement part 1 SCREW rd hd mach 6 32 x 1 4in 2 CLIP spring 2 BARE PISTON not sold separately 1 SCREW hex head 8 32 x 3 8 in 20 SCREW hex head Nylock 8 32 x 3 8 in GASKET copper O RING Buna N PACKING block V ACTUATOR valve YOKE rod trip PIN toggle ROCKER toggle SPRING helical compression GROMMET rubber SEAL flat ring nitrile rubber SEAL o ring nitrile rubber SEAL o ring nitrile rubber SPACER throat NUT packing NUT adjusting LOCKWIRE transfer valve ARM toggle NN A HH HF NNONMDND HAH H HAH H H Ref No Part No Description 30 160896 STEM valve 31 161435 NUT cylinder cap 32 162629 CYLINDER motor air 33 178270 PLATE muffler 34 164924 BASE motor air 35 164925 ROD piston 36 177844 PLATE identification 37 170708 POPPET valve urethane 38 170709 POPPET valve urethane 53 104029 LUG grounding 54 104582 WASHER tab 57 180233 LABEL warning 58A 177843 PLATE warning A Recommended spare parts to keep on hand Included in Repair Kit 207385 Must be purchased separately Qty AMI AN MI H MA IN If users of this equipment do not read English you may order one of the following labels to apply to your air motor Apply the label over the matching label on the air motor plate for good visibility Do not cover the air exhaust holes Order the labels free of charge directly from Graco Contact yo
14. ication Graco reserves the right to make changes at any time without notice Original instructions This manual contains English MM 306982 Graco Headquarters Minneapolis International Offices Belgium China Japan Korea GRACO INC P O BOX 1441 MINNEAPOLIS MN 55440 1441 Copyright 1997 Graco Inc is registered to ISO 9001 www graco com Revised 3 2011 26 306982
15. ing from the base and packing nut Clean the throat packing area in the base and the packing nut Clean and inspect all parts and replace as necessary 4 Lubricate the packings piston rod and piston flange with a light waterproof grease Reinstall the spacer and packing in the base and packing nut Be sure the lips of the v packings face down See Detail B Screw the packing nut loosely into the base Carefully slide the piston rod down through the throat packing and lower the piston into the base Tighten the packing nut securely Reinstall the plate BB and cylinder G Reassemble the air motor to the displacement pump A CAUTION When reinstalling cotter pin DD always spread and flatten the pin both the head and prongs around the rod to within a 1 in 25 mm total diameter See Detail A of Fig 4 306982 11 12 Service In Line Pump Models 205647 and 206078 DETAIL B for In Line Pump Model 205647 SEE DETAIL A NOTE To avoid seal damage during installa BB tion insert the seal at an angle as shown above so that side A is below hole C Then press side B down until the seal bottoms out CC Fig 4 306982 Service Throat Packing Service for In Line Pump Model 206078 A WARNING The piston in the air motor located behind the air motor plates moves when air is supplied to the motor Moving parts
16. maximum working pressure of the pump or the lowest rated component in your system Refer to your separate pump instruction manual Be sure that all spray dispensing equipment and accessories are rated to withstand the maximum air and fluid working pressures of this system Do not exceed the maximum working pressure of any component or accessory used in the system 2 306982 x7 B A WARNING SKIN INJECTION HAZARD Spray from the gun leaks or ruptured components can inject fluid into your body and cause extremely serious injury including the need for amputation Fluid splashed in the eyes or on the skin can also cause serious injury Fluid injected into the skin is a serious injury The injury may look like just a cut but it is a serious injury Get immediate surgical treatment Do not point the dispensing valve at anyone or any part of the body Do not put your hand or fingers over the end of the dispensing valve Do not stop or deflect leaks with your hand body glove or rag Use only extensions and no drip tips that are designed for use with your dispensing valve Tighten all fluid connections before operating the equipment Check the hoses tubes and couplings daily Replace worn or damaged parts immediately Do not repair high pressure couplings you must replace the entire hose MOVING PARTS HAZARD Moving parts can pinch or amputate your fingers e Keep clear of all moving parts when starting or operating the pump e
17. ng or relieving pressure hold a metal part of the spray gun firmly to the side of a grounded metal pail then trigger the gun system as explained below Also read the section FIRE OR EXPLOSION HAZ ARD on page 4 e Pump Use a ground wire and clamp as shown in Fig 1 Loosen the grounding lug locknut A and B D washer B Insert one end of a 12 ga 1 5 mm2 minimum ground wire C into the slot in lug D and D tighten the locknut securely Connect the other end of the wire to a true earth ground Model No 206078 Remove the ground screw Z and insert through the eye of the ring terminal at end of ground wire Y Fasten the ground screw back onto the pump and tighten securely Connect the other end of the ground wire to a true earth ground See Fig 2 To order a ground wire and Fig 1 clamp order Part No 222011 e Air and fluid hoses Use only electrically conductive hoses e Air compressor Follow manufacturer s recommendations TI1052 Fig 2 306982 5 Installation Pressure Relief Procedure A WARNING SKIN INJECTION HAZARD Fluid under high pressure can be in jected through the skin and cause serious injury To reduce the risk of an injury from injection splashing fluid or moving parts follow the Pressure Relief Procedure whenever you e Are instructed to relieve the pressure e Stop spraying e Check or service any of the system equipment e Install or clean the spray tips
18. nto the base NOTE Make sure the packing 25t lips face down and make sure the wiper 221 lips face up 8 Insert the bearing 46t and the washer 441 into the base Assemble the female gland 48t v packings 49T and the male gland 47T into the packing nut 45T 9 Reinstall the spacer and packing in the base and packing nut 45T Screw the packing nut into the base and tighten it securely Carefully slide the piston rod FF down through the throat packing and lower the piston into the base Reinstall the plate BB and cylinder G Reassemble the air motor to the displacement pump 10 Torque the outlet adapter 42 to 45 to 55 ft Ib 61 to 75 N m A CAUTION When reinstalling cotter pin DD always spread and flatten the pin both the head and prongs around the rod to within a 1 in 25 mm total diameter See Detail A of Fig 4 306982 13 Parts for in line mounting medium pressure oil pump Model 205647 Series M 306982 14 Parts Model 205647 Series M for in line mounting medium pressure oil pump Ref No 1 2 NOOR W 10 13 14 15 16 17 18 19 20 21 24 25 27 28 29 Part No 207150 207391 102975 15836 1 100078 101578 150647 156698 112843 158359 158360 158362 158364 167585 158367 158377 158378 158379 190495 190249 160261 160618 160623 Description Qty TRIP ROD 1 PISTON includes items 3 to 5 also includes 207385 r
19. od yoke K and snap the toggle assemblies E down See Fig 3 Remove the lockwires L from the adjusting nuts M and Q of the transfer valves N Screw the top nuts M off Screw the valve stems O out of the grommets P and lower adjusting nuts Q Take the valve poppets R off the stems and squeeze them firmly to check for cracks Hold trip rod with padded pliers 207579 to prevent damage to rod BB Fig 2 Service 6 Grip the toggle rockers S with a pliers Compress the springs T and swing the toggle assembly E up and away from the piston lugs U and remove the parts Check that the valve actuator V is supported by the spring clips W but slides easily into them See Fig 3 7 Remove the trip rod yoke K valve actuator V and trip rod H Check the exhaust valve poppets X for cracks Push toggles E in and then up Turn wires up SI M ue OFT o iss j p Q SS e y SY _ Si lic w Vv x R Fig 3 NOTE To remove the exhaust valve poppets X stretch them out and cut with a sharp knife Pull the piston Y up out of the base J and inspect the piston o ring AA and the o ring in the base casting Cut off tops of poppets x as indicated by dotted lines H 0 125 in 3 18 mm R Y CUTAWAY VIEW 306982 9 Service Reassembly 1 10 Clean all the parts carefully in a compatible
20. oggle STEM valve NUT cylinder cap CYLINDER motor air PLATE muffler PLATE identification for FireBall 425 models 205394 205395 239729 239730 and 239731 POPPET valve urethane 2 POPPET valve urethane 2 NnN_ PpoMNM RH HH HH He He AH NNNN H H HO Ref No Part No 40 150461 42 158409 44t 158697 45T 159047 461 159048 47t 159306 481 159307 49 159308 52 162553 53 116343 56 15F570 57 180233 584 177843 separately t Description GASKET copper ADAPTER outlet WASHER thrust NUT packing BEARING brass GLAND male GLAND female V PACKING nitrile rubber ROD piston SCREW grounding BASE motor air LABEL warning PLATE warning Recommended spare parts to keep on hand Qty ANT I E Basa a aan in a Included in Repair Kit 207385 Must be purchased Service parts for air motor throat packing area Must be purchased separately If users of this equipment do not read English you may order one of the following labels to apply to your air motor Apply the label over the matching label on the air motor plate for good visibility Do not cover the air exhaust holes Order the labels free of charge directly from Graco Contact your distributor to order German French Spanish 290467 290466 290468 306982 17 Model 205038 Series N for stanchion tube mountings 18 306982 Parts Parts Model 205038 Series N for stanchion tube mountings Ref No A
21. reads of the trip rod H and assemble the cap nut F to the trip rod H Torque the cap nut F to 60 Ib in 6 8 N m Install cap nut F into cylinder G Before remounting the pump connect an air hose and run the pump slowly at about 40 psi 0 28 MPa 2 8 bar to ensure that it operates smoothly Reconnect the ground wire before regular operation of the pump Service Throat Packing Service for In Line Pump Model 205647 A WARNING The piston in the air motor located behind the air motor plates moves when air is supplied to the motor Moving parts can pinch or amputate your fingers or other body parts Therefore never operate the pump with the air motor plates removed NOTE See Fig 4 on page 12 and the Parts Drawing on page 14 1 Clamp the pump in a vise and unscrew the displacement cylinder CC from the air motor base J Pull the displacement cylinder away from the air motor until the cotter pin DD which secures the displacement pump connecting rod to the air motor piston rod FF is visible See Fig 4 2 Remove the cotter pin DD and unscrew the pump connecting rod EE from the air motor piston rod FF See Fig 4 Remove the cylinder G from the air motor base J as described under Disassembly on page 8 3 Remove one louvered air exhaust plate BB and unscrew the throat packing nut HH using a spanner wrench or a 0 22 in 5 6 mm diameter rod See Fig 4 Remove the spacer and pack
22. s 14 to 22 for further information e Two accessory tools should be used Padded pliers 207579 is used to grip the trip rod without damaging its surface Gauge 171818 is used to ensure the proper clearance between the poppets and seat of the transfer valve Disassembly 1 Flush the pump Follow the Pressure Relief Procedure Warning at left before proceeding 2 Disconnect the air hose from the motor If necessary disconnect the motor from the pump Clamp the air motor base in a vise 3 Manually push up on the piston rod to move the piston assembly to the top of its stroke Unscrew the cylinder cap nut F from the cylinder G Pull up on the cap nut Grip the trip rod H with padded pliers 207579 and screw the cap nut off the trip rod See Fig 2 A CAUTION Do not damage the plated surface of the trip rod Damaging the surface of the trip rod can result in erratic air motor operation Use the special padded pliers 207579 to grasp the rod 8 306982 4 Remove the eight screws Z holding the cylinder G to the base J Carefully pull the cylinder straight up off the piston See Fig 2 A CAUTION To avoid damaging the cylinder wall ALWAYS lift the cylinder straight up off of the piston Never tilt the cylinder as it is being removed A WARNING Always keep fingers clear of the toggle assemblies E to avoid pinching or amputating them See Fig 3 5 Use a screwdriver to push down on the trip r
23. solvent and inspect for wear or damage Use all the repair kit parts during reassembly and replace other parts as necessary Check the polished surfaces of the piston piston rod and cylinder wall for scratches or wear A scored rod will cause premature packing wear and leaking Lubricate all parts with a light waterproof grease Be sure the o rings are in place Slide the piston rod down through the throat bearing and lower the piston Y into the air motor base J Pull the exhaust valve poppets X into the valve actuator V and clip off the top part shown with dotted lines See Fig 3 Install the transfer valve poppets R onto the valve stems O then reassemble the valve stems O bottom adjusting nuts Q grommets P and top adjusting nuts M on the piston Y Assemble the trip rod H valve actuator V trip rod yoke K and toggle assemblies E on the piston See Fig 3 306982 7 10 Set gap on inlet valve N using the 125 in 3 18 mm side of gauge 171818 Rotate valve stem O until snug against gauge then back off until valve stem slot is lined up with wire holes in valve nut M do not back off more than 1 2 turn See Fig 3 Install lockwires L in the adjusting nuts M and Q Snap the toggle assemblies E to the up position Reinstall the cylinder G and hold the trip rod H in place with tool 207579 Apply a medium strength thread locking compound to the th
24. t be purchased separately If users of this equipment do not read English you may order one of the following labels to apply to your air motor Apply the label over the matching label on the air motor plate for good visibility Do not cover the air exhaust holes Order the labels free of charge directly from Graco Contact your distributor to order German 290464 French 290463 Spanish 290465 306982 1 9 Parts Model 207352 Series G for divorced mountings 1 includes items 2 to 4 306982 20 Model 207352 Series G for divorced mountings Ref No Part No Description 1 205529 PACKING NUT includes items 2 to 4 2 16H224 SEAL wiper polyurethane 3 101526 BEARING bronze 4 164701 NUT packing 5 207150 TRIP ROD 6 207391 PISTON includes items 7 to 9 also includes 207385 repair kit when ordered as a replacement part 7 102975 SCREW rd hd mach 6 32 x 1 4 in 8 158361 CLIP spring 9 BARE PISTON not sold separately 10 114422 SCREW pan head 8 32 x 3 8 in 11 101578 SCREW hex head Nylock 8 32 x 3 8 in 12 150647 GASKET copper 13 156698 O RING Buna N 14 158359 ACTUATOR valve 15 158360 YOKE rod trip 16 158362 PIN toggle 17 158364 ROCKER toggle 18 158367 GROMMET rubber 19 158377 SEAL flat ring nitrile rubber 20 158378 SEAL o ring nitrile rubber 21 158379 SEAL o ring nitrile rubber 22 160261 NUT adjusting 23 160618 LOCKWIRE transfer valve 24 160623 ARM toggle 2
25. the priming piston located at the pump intake and the air motor piston located behind the air motor plates move Never Operate the pump with the air motor plates removed and keep your fingers and hands away from the priming piston See Moving Parts Hazard on page 3 Operation NOTE See your separate pump manual for detailed operation instructions Restarting a Stalled Air Motor A CAUTION Never exceed 180 psi 1 2 MPa 12 bar air supply pressure to the air motor Exceeding this pressure may cause the air motor to stall with the air transfer valves stuck at mid position making the air motor inoperative To reseat the air transfer valves and restart a stalled air motor relieve the air supply pressure to the motor by closing the bleed type master air valve If the air transfer valves fail to reseat screw the cap nut F out of the cylinder G pull up on the trip rod H and screw the cap nut back into the cylinder See Fig 2 Be sure the air supply pressure is less than 180 psi 1 2 MPa 12 bar before opening the bleed type master air valve 306982 7 Service Servicing the Air Motor Before you Start e Be sure you have all necessary parts on hand Air Motor Repair Kit 207385 includes repair parts for the motor Use all the parts in the kit for best results Parts included in the air motor kit are marked with double asterisks in text and drawings See the parts list and drawing for your pump page
26. ur distributor to order French 290466 Spanish 290468 306982 15 Parts Model 206078 Series M for in line mounting high pressure grease pump 31 je ssa RI y 9 NZ NG 32 Ge sr Go YAN Torque to 45 to 55 ft lb 61 to 75 N m 1 gi 06733B 16 306982 Parts Model 206078 Series L for in line mounting high pressure grease pump Ref No 18 20 21 kk 22t 23t 24 25t 26t 2DT7T 28 29 30 31 32 33 36 37 38 Part No 207150 207391 102975 158361 100078 101578 150647 156698 158359 158360 158362 158364 167585 158367 158377 158378 158379 113935 113944 192172 113936 192173 160261 160618 160623 160896 161435 162629 178270 177844 15E555 170708 170709 Description Qty TRIP ROD 1 PISTON includes items 3 to 5 also includes 207385 repair kit when ordered as a replacement part 1 SCREW rd hd mach 6 32 x 1 4in 2 CLIP spring 2 BARE PISTON not sold separately 1 SCREW hex head 8 32 x 3 8 in 20 SCREW hex head Nylock 8 32 x 3 8 in GASKET copper O RING Buna N ACTUATOR valve YOKE rod trip PIN toggle ROCKER toggle SPRING helical compression GROMMET rubber SEAL flat ring nitrile rubber SEAL o ring nitrile rubber SEAL o ring nitrile rubber WIPER rod PACKING o ring RETAINER packing PACKING u cup WASHER packing NUT adjusting LOCKWIRE transfer valve ARM t
27. witches hose etc are subject to the warranty if any of their manufacturer Graco will provide purchaser with reasonable assistance in making any claim for breach of these warranties In no event will Graco be liable for indirect incidental special or consequential damages resulting from Graco supplying equipment hereunder or the furnishing performance or use of any products or other goods sold hereto whether due to a breach of contract breach of warranty the negligence of Graco or otherwise FOR GRACO CANADA CUSTOMERS The parties acknowledge that they have required that the present document as well as all documents notices and legal proceedings entered into given or instituted pursuant hereto or relating directly or indirectly hereto be drawn up in English Les parties reconnaissent avoir convenu que la r daction du pr sente document sera en Anglais ainsi que tous documents avis et proc dures judiciaires ex cut s donn s ou intent s a la suite de ou en rapport directement ou indirectement avec les procedures concern es Graco Information For the latest information about Graco products visit www graco com TO PLACE AN ORDER contact your Graco distributor or call one of the following numbers to identify the distributor closest to you 1 800 328 0211 Toll Free 612 623 6921 612 378 3505 Fax All written and visual data contained in this document reflects the latest product information available at the time of publ
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