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PART NO.: 6441-727A

1

REPAIR PROCEDURES: SERIES GRF DESIGN 2 [6] GRIPPERS

PHD, Inc. makes no warranty as to the fitness of its products or as to the length of service life after being repaired or parts replaced by anyone other than authorized 

employees of PHD, Inc. In no event shall PHD, Inc. be liable for loss of profits, indirect, consequential, or incidental damages arising out of the use of PHD Products.

BEARING PLUGS

FIGURE 4

GRF34-x-25 x 6.5

JAW COVER

JAW

BODY ASSEMBLY

BORE PLUG

TARGET PIN THREAD

ALIGN WITH TARGET SLOT

CAM DRIVER

ALIGN SENSOR COVER WITH EDGE

(SIZE 25 & 28)

CENTER OVER MAGNET TARGET SLOT

(SIZE 19 & 32)

PROX TARGET PIN

(OPTION CP ONLY)

OPTIONAL

PROX TARGET

AND SET SCREW

SENSOR

COVER

MAGNET

TARGET PIN

MAGNET TARGET

ASSEMBLY

ROD SEAL

(SEE FIGURE 2)

PISTON

(EXCEPT SIZE 19)

PISTON SEAL

PISTON ASSEMBLY FASTENER

(EXCEPT SIZE 19)

BORE PLUG SEAL

BORE PLUG RETAINER

JAW COVER ASSEMBLY FASTENERS

QTY 4 ON SIZES 19, 25 & 28

QTY 8 ON SIZE 32

ROD

(EXCEPT SIZE 19)

FIGURE 3

SIZE 19 ONLY

REPLACES ROD,

PISTON, AND PISTON

ASSEMBLY FASTENER

JAW SLOT

FIGURE 5

JAW

TARGET SLOT

APPROXIMATELY

0.04 in [1 mm]

SENSOR

COVER SLOT

MAGNET

TARGET PIN

MAGNET TARGET

ASSEMBLY

SENSOR

COVER

JAW DRIVER

BORE PLUG

PISTON

FIGURE 2

JAW DRIVER

COUNTERBORE

JAW

ROD SEAL

NOTE ORIENTATION

PISTON SEAL

BORE PLUG SEAL

(SNAPS INTO GROOVE IN

BORE PLUG ON SIZES 19 & 25)

BORE PLUG

RETAINER

FIGURE 1

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