9
3
23
22
10
11
9
4
5
6
7
8
12
15 16 14 18 19† 20† 17 1 2 13 21 24
KEYSTONE FIGURE 79 PNEUMATIC ACTUATOR
OPERATING AND MAINTENANCE INSTRUCTIONS
EXPLODED VIEW OF SINGLE ACTING ACTUATOR ASSEMBLY - MODEL 002S - 036S
MATERIALS OF CONSTRUCTION - MODELS 002S - 036S
Item Description Qty Material
1 Body 1 Aluminium
2 Piston 2 Aluminium (006-036)
Nylon (002-003)
3 End Cap 1 Aluminium
4 Gear shim (models 006 & 012 only) 1 Polymer
5 Pinion Shaft 1 Steel (003-036)
Nylon (002)
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 (M5 x 16 -002/003, M5 x 20 -006
M8 x 25 -012, M10 x 30 -024/036) 8 Stainless steel
16 Lock Washer (M5 -002/006, M8 -012, M10 -240/036) 8 Steel
17 Position Indicator 1 ABS
18 Backing pad 2 Polymer (006/036)
19† Travel Stop Bolt (M6 x 25 -003, M8 x 45 -006
M10 x 50 -012, M12 x 65 -024/036) 2 Stainless Steel
20† Travel Stop Nut (M6 -003, M8 -006, M10 - 012, M12 - 024/036) 2 Steel/Polyamid 11
21 Spring Retaining Cone 2 Aluminium
22 Spring Retaining Bolt (M8 x 55 -006, M8 x 60 -012
M10 x 80 -024, M10 x 90 -036)
23 Plain washer (M8 -006/012, M10 -024/036) 2 Steel
24 Spring (40/60/80 or 100psi) # 2 or 4 Spring Steel
Components shown on the above view may differ slightly in the design shape owing to the range of models being covered.
Items 3,19 to 22 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
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