ITT GC31 Instruction And Maintenance Manual Download Page 7

 

 
 

Page 7 of 8

 

GC31-IOM Rev. B     

07/19 

 

Notes: 
 

1.  Recommended spare parts can be purchased 

individually, or as a spare parts kit, under part number 
G6385464, Spare Parts Kit GC31 (Consists of items 7, 
13, 20 and 23). 

2.  When ordering spare parts, specify complete catalog 

no., item no., and part no.  This will permit positive 
identification and rapid handling of order. 

3.  For body assembly, order item G6026504 (Consists of 

items 10 through 12, and items 15 through 25). 

4.  For tapped exhaust, use 

a.  G6026819 for item 9 
b.  G6027155 for item 26 

5.  Diaphragms and spacers are symmetric about body 

section and are not all identified by item no.s 

6.  Pilot section and instrument cap are machined bar parts 

(previously used to be castings).  Pilot Assembly (26) 
requires longer (2 inch) screws.  Pilot assembly and 
screws may be ordered by part no. GC31-PILOT 

Summary of Contents for GC31

Page 1: ...lcrank to rotate counterclockwise This rotation of the bellcrank exerts a force against the yoke pin and moves the yoke towards a balanced position A decrease in instrument air pressure reverses the p...

Page 2: ...at the factory for the proper range and spring rod 8A extension as shown on page 6 With the actuator stem in the fully retracted position and the spring rod nut 16 removed from the spring rod 8A thre...

Page 3: ...or stem to retract when an air supply failure occurs The airlock system consists of a volume tank pressure vessel and a check valve that drives the cushion load regulator and lifts the actuator piston...

Page 4: ...0 0 0 1 1 1 1 2 2 3 4 5 6 7 8 9 10 4 2 2 3 4 2 3 5 TRAVEL IN INCHES FOR SPAN REQUIRED NOTE For travels greater than 10 254mm consult factory 3 4 6 12 24 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 R...

Page 5: ...31 IOM Rev B 07 19 Notes 1 All connections are NPT unless otherwise noted 2 When ordering specify model range and stroke 3 For additional piping schematics see A50 48 4 Vent ports can be tapped NPT fo...

Page 6: ...8 32 x 1 2 Long 6 G6900574 11 5 Spacer 2 G6026785 12 4 Self Tapping Screw 3 8 Long 3 G6900545 13 1 Gasket 1 G6001762 Item No Description Qty Req d Part No 14 Hex Head Capscrew 1 4 20 x 5 8 Long 6 G69...

Page 7: ...entification and rapid handling of order 3 For body assembly order item G6026504 Consists of items 10 through 12 and items 15 through 25 4 For tapped exhaust use a G6026819 for item 9 b G6027155 for i...

Page 8: ...Page 8 of 8 GC31 IOM Rev B 07 19 This Page Intentionally Left Blank...

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