Graco 258771 Repair And Parts Manual
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Graco 258771 Repair And Parts Manual

Graco 258771 Repair And Parts Manual

Horizontal hydraulic driver
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Repair-Parts
Horizontal
Hydraulic Driver
For use with two horizontally mounted proportioning pumps. For professional use only.
Not for use in explosive atmospheres.
258771 - Horizontal Hydraulic Driver
1200 psi (8.2 MPa, 82.7 bar) Maximum Working Pressure
Important Safety Instructions
Read all warnings and instructions in this manual
and all supplied manuals. Save all instructions.
3A0020B
ENG
r_258640_3A0020A_1h

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Summary of Contents for Graco 258771

  • Page 1 3A0020B For use with two horizontally mounted proportioning pumps. For professional use only. Not for use in explosive atmospheres. 258771 - Horizontal Hydraulic Driver 1200 psi (8.2 MPa, 82.7 bar) Maximum Working Pressure Important Safety Instructions Read all warnings and instructions in this manual and all supplied manuals.

  • Page 2: Table Of Contents

    Assembly ......4 Graco Information ......10 Parts .

  • Page 3: Repair

    2. Use two people to lift and clamp the cylinder (1) in a Recommended Hydraulic Oil vise. Use Graco-approved Hydraulic Oil, Part No. 169236 NOTICE (5 gal) or 207428 (1 gal)) or a premium, ISO grade 46 petroleum-based hydraulic oil containing rust and To prevent damage to sealing surfaces, do not oxidation inhibitors and anti-wear agents.

  • Page 4: Assembly

    Repair Assembly NOTE: Be careful not to damage piston rod assem Residual hydraulic oil in the cylinder can spray out of bly (9). ports during removal of the piston assembly. 1. Clamp piston rod (9) flats or hex in a vise to prevent damage to the piston rod.
  • Page 5 Repair 5. Lubricate inside of cylinder (1) with hydraulic oil to 9. Install second seal housing (2) on cylinder (1). allow easy installation of piston assembly. Continue Torque to 150-160 ft-lbs (203-216 N•m). to next step if the cylinder hasn’t been flushed and NOTE: Use a rubber mallet to gently tap seal hous there is residual hydraulic oil.

  • Page 6: Parts

    Parts Parts r_258640_3A0020A_13h Lubricate seals and surfaces with hydraulic oil. Torque to 150-160 ft-lbs (203-216 N•m). Apply pipe sealant. Ref. Part Description 258835 KIT, cylinder, hydraulic 258768 HOUSING, rod seals, assembly; includes item 2a 2a 113570 O-RING 112698 FITTING, elbow, street 100139 PLUG, pipe 258769 ROD, piston, hydraulic, assembly;...
  • Page 7 Parts 3A0020B...

  • Page 8: Dimensions

    Dimensions Dimensions 17.375 in. r_258640_3A0020A_14h (441.3 mm) Mounting Hole Layout r_258640_3A0020A_15h r_258640_3A0020A_17h 6.165 in. (156.6 mm) 5.114 in. (129.9 mm) 6.5 in. (165.1 mm) 4.43 in. (112.5 mm) 5.906 in. (150 mm) 120° bolt circle 6.26 in. (159.0 mm) 4 in. (101.6 mm) 3A0020B...

  • Page 9: Technical Data

    Technical Data Technical Data Maximum hydraulic working pressure ....1200 psi (8.3 MPa, 83 bar) Maximum fluid temperature ..... . . 160°F (71°C) Maximum hydraulic fluid flow .

  • Page 10: Graco Standard Warranty

    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.

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