GE Aespire 7100 Technical Reference Manual page 10

Aespire
7100
9
Repalr Procedures
viil
9.1 Howto bleed gas pressure from the machine . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . .. .. .9-4
9.2 Howto remove the rear panels. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. .. .9-4
9.2.1 To remove the rear upper panel . . . .. . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . .. .9-4
9.2.2 To remove the lower access panels.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. .. .9-4
9.3 Howto remove thetabletop .. . . . . . . . . . .. . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . .. .9-5
9
.4
Servicing the pipeline inlet manifold components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9-6
9.4.1 Replace pipeline inlet filter ........................................... .9-6
9
.4
.2 Replace pipeline inletcheckvalve ..................................... .9-6
9.4.3 Replace the inlet manifold . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. .. .9-7
9.5 Service the cylinder supply modules . . . . .. . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . .. .9-8
9.5.1
Ti
ghtening procedure for high-pressure
tube 币ttings
. . . . . . . . . . . . . . . . . . . . . .. .9-8
9.5.2 Replace primary regulator module (complete replacement) .................9-8
9.5.3 Replace cylinder inlet filter ........................................... .9-9
9.5.4 Replace cylinder check valve. . . . . . . . . .. . . . . . . . . . . . . . . . . . .. . . . . .. . . . . .. .9-9
9.5.5 Replace
3 时 -gas
cylinder supply module .. .. . .. .. . .. .. .. . .. .. . .. .. .. .. . 9-10
9.6 Replace system switch assembly . . . . . . . . . . . . . . . . .
...........................
9-11
9.7 Service the flowmeter module .............................................. 9-13
9.7.1 Remove front flowmeter panel shield .................................. 9-13
9.7.2 Remove flowtubes for cleaning or replacement . . . . . . . . . . . . . . . . . . . . . . . . . . 9-13
9.7.3 Remove complete flowmeter head .. .. .. .. . .. . .. .. .. .. .. . .. . . .. .. .. ... 9-15
9.7.4 Replaceflowmetermodules ......................................... 9-16
9.7.5 Replace flowmeterframe . . . . . . .
.....................................
9-20
9.7.6 Replace O
2
supply switch ........................................... 9-21
9.7.7 Checkout procedure for O
2
supply switch .............................. 9-21
9.7.8 Replace secondary regulator manifold or balance regulator manifold ....... 9-22
9.7.9 Replace O
2
or N
2
0 needle valves (on machines with N
2
0) . . . . . . . . . . . . . . . .. 9-23
9.7.10 Replace an Air needle valve on all machines or an O
2
needle valve
on machines without N
2
0 ........................................... 9-25
9.8 Service vaporizer manifold parts ........ .
08/07 MI110140