efd hp7x 用户手册

If the HP7x should cease to operate, service of the
piston U-cup and shaft bushing may be required.
Please follow procedure below:

.

Remove air cylinder cap.

.

Remove drive plunger.

.

Remove piston and shaft assembly. Replace piston

U-cup and lubricate lightly with O-ring grease.

.

Press shaft bushing (#5927) out from bottom of

cylinder toward piston chamber. Replace with
new bushing.

.

Install piston assembly and reinstall the air cylinder

cap and drive plunger.

977 Waterman Avenue, East Providence, RI 02914-1378 USA
US: 800-556-3484   Mexico: 001-800-556-3484   Telephone: 401-434-1680     
Fax: 401-431-0237   e-mail: technical@efd-inc.com  

Unit 14, Apex Business Centre, Boscombe Road, Dunstable, Bedfordshire  LU5 4SB UK
UK: 0800 585733   Ireland: 00800 8272 9444   Telephone: 01582 666334
Fax: 01582 664227   e-mail: uk@efd-inc.com

EFD and HP7x are trademarks of EFD, Inc. ©2004 EFD, Inc. HP7X-MAN-01  v102704

Sales and service of EFD dispensers and dispensing components are available through EFD authorized
distributors in over 30 countries. Please contact EFD USA for specific names and addresses.

reservoir retainer
#5925

tip retaining cap
#5904

drive plunger
#5908

jam ring
#5922

spring
#5923

air cylinder #5926

piston and shaft includes
U-cup (Buna-N) #5928

O-ring
(Buna-N) #72530A

retaining ring
#5924

dowel pin
#8176-11

shaft bushing
#5927

piston U-cup
#5909

air cylinder cap
#5903