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UCTIONS-PARTS 

LIST 

This 

contains 

IMPORTANT 

WARNINGS 

and 

INSTRUCTIONS 

READ AND  RETAIN FOR REFERENCE 

PUMP 

psi 

MAXIMUM 

WORKING PRESSURE 

Model 

Series 

Severe-Duty' 
Model 

Series 

Standard 

'Severe-Duty  Displacement Pumps have an abrasion 

and corrosion resistant displacement rod and 

Refer 

to 

Technical Date for  "wetted parts'' information. 

INDEX 

Warnings 

.......................................................... 

Service 

............................................................ 

Parts Drawing and List 

......................................... 

How 

To Order Replacement Pert5 

........................... 

Technical Data 

....................................... 

Back Page 

Warranty 

.............................................. 

Back Page 

SUPERSEDES 

Rev. 

INC. P.O. BOX 

MINNEAPOLIS, 

1985, GRACO INC. 

Summary of Contents for C Series

Page 1: ...07 474 Series C Standard Severe Duty Displacement Pumps have an abrasion and corrosion resistant displacement rod and sleeva Refer to Technical Date for wetted parts information INDEX Warnings 2 Service 4 Parts Drawing and List 6 How To Order Replacement Pert5 6 Technical Data Back Page Warranty Back Page 307 728 SUPERSEDES B Rev C GRACO INC P O BOX 1441 MINNEAPOLIS MN 55440 1444 COPYRIGHT 1985 GR...

Page 2: ...up spray and reduces the risk of fluid injeciionwhen the tip is not installed Check diffuser operation regularly Follow the Pressure Relief Procedure at the right and then remove the spray tip Aim the gun into a grounded metal pail holding the gun firmly to the pail Using the lowest possiblepressure trigger the gun If the fluid emit ted is not diffused into an irregularstream replacethe diffuser i...

Page 3: ...spensing valve and the pail during flushing to reducethe risk of fluid injection injury static sparking and splashing HOSE SAFETY High pressure fluid in the hoses can be very dangerous If the hose develops a leak split or rupturedue to any kind of wear damage or misuse the high pressurespray emitted from it can cause a fluid injection injury or other serious bodily injury or properly damage ALL FL...

Page 4: ...nting and clamp it in a vise before removing the displacement pump 3 Loosen the packing nut 2 Pull up on the displace pin F and remove it Remove the three tie rod ment rod 221 far enough to grasp the lower cotter locknuts IG Pull the displacement pump down 4 Push down on the displacement rod 22 until the piston 3 flats clear the pump housing 11 Pullthe pump housing piston and displacement rod asse...

Page 5: ...placement rod 22 onto the connect jam nut K Align the tie rods with the pump hous ing rod J Install the cotter pin F Tighten the ing 1 and install the tie rod locknuts loosely 16 St8 t the pump and run it at its lowestspeed possi ble about 4 0 psi 2 8 bar while you tighten the tie Adjust the tie rod locknuts if necessary to rod locknuts GIevenly to 35 50 ft lb 47 68 Nml eliminate binding 17 Tighte...

Page 6: ...SKET 1 WASHER steel 1 1 GLAND mala V PACKING leather 2 4 V PACKING UHMW polyethylene GLAND female 6 PIN straight 2 ROD displacement 1 TAG warning not shown 1 1 Suppliedin repair kit 2 20 395 Recommended tool box spare parts Keep on hand to reduce down time Extra warnings and tags ere supplied et no charge 220 395Pecking Repair Kit Must be purchased separately Ref No Qty 8 2 9 1 1 5 1 7 1 1 8 2 8 1...

Page 7: ... 1 Supplied in repair kit 207 W Wecommended tool box spare parts Keep on hand to reduce down time Extra warningsand tags are supplied at no charge 207 968 Pecking Repair Kit Must be purchased separately Ref NO ow 15 9 1 17 1 2 18 8 20 19 2 2 HOW TO ORDER REPLACEMENT PARTS 1 To be sure you recaivethe correct replacement parts kit or accessories always give all of the information requested in the ch...

Page 8: ...ies equip ment or materials not supplied by Graco or the improper design manufacture installation operation or maintenance of structures ac cessories equipment or materials not supplied by Graco This warranty is conditionedupon the prepaid returnof the equipment claimed to be defective for examination by Graco to verify the claimed defect If the claimed defect is verified Gram will repair or repla...

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