GE Aespire 7100 Technical Reference Manual page 219

9 Repair Procedures
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9.1 Howto bleed gas pressure from the machine . . .. . . . . . .. . . . . .. . . . . .. .. . . . . .. .. . . .9-4
Mll10140ω107
9.2 Howto removethe rearpanels............................... ................ .9-4
9.2.1 To removethe rearupperpanel........................................ .9-4
9.2.2 To remove the lower access panels .. . . .. . . . .. . .. . . . .. . . . . .. .. . . .. .. .. .. .9-4
9.3 Howto removethetabletop ............................................... .. .9-5
9.4 Servicingthe 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 而ttings . . . .. . . . . .. .. . . . . .. .. . . .9-8
9.5.2 Replace primary regulator module (complete replacement) .................9-8
9.5.3 Replace cylinder inletfilter .......................................... ..9-9
9.5 .4 Replace cylinder check valve . .. . . . . .. . . . . .. .. . . .. .. . . . . . . . .. .. .. .. .. . . .9-9
9.5.5 Replace
3时-gas
cylindersupply module .............................. . 9-10
9.6 Replace system switch assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-11
9.7 Service 由eflowmetermodule .............................................. 9-13
9.7.1 Removefrontflowmeterpanelshield ..................................9-13
9.7.2 Removeflowtubesforcleaningorreplacement.......................... 9-13
9.7.3 Remove complete 何 owmeter head ................................... . 9-15
9.7.4 Replace flowmeter modules ......................................... 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
9-1