Sharp R-450E Istruzioni per gli Interventi Scaricare il pdf (Pagina 15)

Performance Series 450e 15

Repairs at the unit

11.3 Packings

1. Remove inlet valve housing in accordance with the steps

in Chapter 11.2, Page 14.

2. It is not necessary to remove the outlet valve.

 3. Unscrewbothcylinderheadscrews(Fig.11,Item1)from

thepumpmanifold(2)witha3/8inchhexagonsocket

head wrench.

4. Slide the pumpmanifold(2)andpiston(3)forwarduntil

thepistonisoutoftheT-slot(10)onthesliderassembly

(5).

 5. Pushpiston(3)downwardoutofthepumpmanifold(2).

 6. Unscrewretainernut(6)fromthepumpmanifold(2)and

removepistonguide(7).

 7. Removeupperpacking(8)andlowerpacking(9)fromthe

pumpmanifold(2).

 8. Cleanpumpmanifold(2).

 9. Lubricateupperpacking(8)andlowerpacking(9)with

machine grease.

 10. Insertupperpacking(Fig.12)withO-ring(1)and

protrudinglip(2)downward.

 11. Insertlowerpackings(Fig.13)withO-ring(1)and

protrudinglip(2)upward.

 12. Insertpistonguide(Fig.11,Item7)intotheretainernut

(6).Screwretainernut(6)intothepumpmanifold(2)and

tighten by hand.

 13. Pushinstallationtool(includedwiththereplacement

packings)forthepiston(3)fromaboveontothepiston.

 14. Lubricateinstallationtoolandpiston(3)withmachine

grease.

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Sharp R-450E Istruzioni per gli Interventi Pagina 15