Emerson KEYSTONE FIGURE 79U - Page 11

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15 16 14 13 23 19 20 21 22 17 1 2 4 24 27
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9
10
5
7
6
8
12
3
26
25
18
KEYSTONE FIGURE 79 PNEUMATIC ACTUATOR
OPERATING AND MAINTENANCE INSTRUCTIONS
EXPLODED VIEW OF SINGLE ACTING ACTUATOR ASSEMBLY - MODELS 065S - 180S
MATERIALS OF CONSTRUCTION - MODELS 065S - 180S
Item Description Qty Material
1 Body 1 Aluminium
2 Piston 2 Aluminium
3 End Cap 2 Aluminium
4 Backing ring 2 Polymer (065/180)
5 Pinion Shaft 1 Steel
6* Bottom Bearing 1 Polymer
7* Bottom Bearing - Internal O-Ring 1 Nitrile
8* Bottom Bearing - External O-Ring 1 Nitrile
9* Top Bearing 1 Polymer
10* Top Bearing - Internal O-Ring 1 Nitrile
11* Top Bearing - External O-Ring 1 Nitrile
12* Internal Circlip 1 Spring steel
13* Piston O-ring 2 Nitrile
14* End Cap O-ring 2 Nitrile
15 Hex Screw (M12 x 40 -065/090, M16 x 55 -180) 8 Stainless steel
16 Lock Washer ( M12 -065/090, M16 -180) 8 Steel
17 Position Indicator 1 ABS
18 Backing pad 4 Polymer
19 Travel Stop Bolt (M16 x 65 -065, M16 x 90 -090,
M20 x 130 -180) 2 Stainless steel
20 Travel Stop Nut (M16 -065/090, M20 -180) 2 Stainless steel
21 Washer Flat (M16/M20) 2 Stainless steel
22 Washer Thread Seal (⅝” -065/090, ¾” -180) 2 Steel/Nitrile
23 Protective Cap (M16/M20 Bolt) 2 Plastic
24 Spring retaining cone 2 Aluminium
25 Spring retaining bolt (M16 x 115 -065, M16 x 125 -090 2 Stainless Steel
M20 x 125 -180)
26 Plain washer (M16 -065/090, M20 -180) 2 Steel
27 Spring (40/60/70/80/90 or 100psi)# 2 or 4 Spring Steel
Items 3, 24 to 27 are supplied as a preset spring assembly and must not be dissassembled.
# See standard spring color codes for spring combinations.
* Repair Kit contains these items