Fisher 655 User Manual

655 and 655R Actuators

Instruction Manual

Form 1292
July 2007

13

Figure 4. Type 655 Actuator

30A8341-A/DOC

30A8342-A/DOC

SIZE 3A AND 4A ACTUATOR DIAPHRAGM CASINGS

A

APPLY MOLY-GREASE LUBRICANT TO ADJUSTING SCREW

Key

Description

Part Number

9

Lower Spring Seat

10

Adjusting Screw

11

Travel Indicator Disk

12

Hex Nut

13

Travel Stop

14

Screw

15

Travel Indicator Scale

16

Twin Speed Nut

17

Nameplate

Figure 5. Size 3A and 4A Top-Mounted

Handwheel Assembly

28A1216-C/DOC

APPLY LUB

PART NOT SHOWN : 31

Key

Description

Part Number

18

Drive Screw

19

Cap Screw

20

Hex Nut

21

Cap Screw

Top-Mounted Handwheel

Sizes 3A, 4A, 3B & 4B

22

Hex Jam Nut

24

Washer

25

Handwheel

26

Handwheel Stem

27

Hex Jam Nut

28

Handwheel Body

29*

O-Ring, nitrile

1D237506992

30*

O-Ring, nitrile (not shown) Sizes 3B & 4B only

1D267306992

31

Groove Pin

32

Pusher Plate

33

Cap Screw

34

Travel Stop

Sizes 32 thru 46

51

Handwheel

54

Hex Nut

133

Handwheel Stem

134

Washer

135

Pusher

137

Hex Nut

138*

O-Ring, nitrile

1D237506992

139*

O-Ring, nitrile

1D267306992

140

Groove Pin

141

Cap Screw

142

Handwheel Body

241

Lithium grease lubricant-1, 0.396 kg (14 oz.) can

(not furnished with actuator)

*Recommended spare parts