Hypertherm MAX42, Руководство по обслуживанию

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MAINTENANCE
Page 3-8 MAX42 Service Manual
Yes
Microswitch
clicks?
Measure resistance between TB2-
7 and 9 ( Fig.4-6 [7] ). Observe for
0-5 ohms.
Meter indicates
0-5 ohms?
No
Yes
Meter
indicates 0
ohms?
Check and repair solder
joints at J1 or wire crimps
at TB2
No
Yes
No
Check that either P104/J04 at
PCB14 ( Fig.4-3 [6] ) are making
contact, especially that pins 1 and 2
are seated, or cables W114 and
W115 are making good contact with
TB2.
Yes
No
Connections
are making
good
contact?
Replace control PC
BD Assy PCB14.
Tighten or repair all connections as
required or replace connectors and
cables as required.
Replace torch main
body ( Fig.4-12 ).
Disconnect torch lead. Measure
resistance between TB2-7 and
torch lead receptacle J1 ( Fig. 4-5
[1] ) pin 2 and TB2-9 and J1 pin 8
for 0 ohms.
Replace torch
main body ( Fig. 4-
12 ) or torch lead.
Unplug power cord. Ensure the
retaining cap and consumables are
installed in torch. If not, do so.
Unscrew retaining cap and listen for
click of cap sensor microswitch.
(Do not forget tighten retaining cap
after checkout.)
From page 3-7
1