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XTX Second Stage Regulator Maintenance Manual
1 AP0624/B Purge Button Black (XTX40/20) 14 AP6213 XTX Venturi Body
AP0624/Y Purge Button Assembly Yellow (XTX Octopus, XTX40 Nitrox) 15 AP2033 Seat
2 AP6301 Front Cover 16* AP1154 ‘O’ Ring
AP6301/Y Front Cover Yellow (XTX40, XTX20 Octopus) 17 AP6215 Spindle Collar
AP6301/G Front Cover green (XTX40 Nitrox) 18 AP6216 Valve Spindle
3 AP5802 Inner Cover Black 19 AP1151 Spring Pin
4 AP5803 Diaphragm 20 AP2035 Lever
5 AP2037 Deector 21 AP6219/L Left Hand Small Exhaust Tee
6 AP5013 Heat Echanger AP6219/L/G Left Hand Small Exhaust Tee green (XTX40 Nitrox)
AP5003 Spacer (XTX20) 22 AP6230 Exhaust Rib
7* AP1267 ‘O’ Ring 23 AP6219/R Right Hand Small Exhaust Tee
8 AP6211 Blanking Piece AP6219/R/G Right hand Small Exhaust Tee green (XTX40 Nitrox)
AP6211/Y Blanking Piece yellow (XTX40/20 Octopus) 24 AP6300 XTX Case
AP6211/G Blanking Piece green (XTX40 Nitrox) 25 AP6223 Exhaust Valve
9* AP1438 ‘O’ Ring 26 n/a
10 AP6307/40 XTX40 Decal 27 n/a
AP6307/20 XTX20 Decal 28 n/a
AP6307/O/40 XTX40 Octopus Decal 29 n/a
AP6307/O/20 XTX20 Octopus Decal 30 n/a
AP6307/G/40 XTX40 Nitrox Decal 31* AP1409 ‘O’ Ring
11 AP1677F Mouthpiece Clip 32 AP2038SQ Counter Balance Cylinder
12 AP5324 Mouthpiece Comforbite 33 AP2021 Spring
AP1434 Mouthpiece 34* AP2041 ‘O’ Ring
AP5324/G Mouthpiece Comforbite green (XTX40 Nitrox) 35 AP2036 Shuttle Valve
13 AP6309 XTX Venturi Ring 36* AP2034 Rubber Seat
AP6309/Y XTX Venturi Ring yellow (XTX40, XTX20 Octopus) 37 AP2029-1 Adjusting Screw
AP6309/G XTX Venturi Ring green (XTX40 Nitrox)
All * items marked in bold italics must be replaced when serviced.
XTX40 & XTX20 Exploded Parts Diagram
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2
3
4
5
6
7
8
9
10
11
12
9
13
14
15
16
7
17
18
19
20
37
31
32
33
34
35
36
21
22
23
25
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