MAINTENANCE
MAX42 Service Manual
Page 3-11
Yes
No
Gauge
indicates 75
psi (static)?
Adjust pressure at regulator. (Refer
to regulator pressure adjustment in
this Section.) If pressure can not be
adjusted, replace regulator.
Disconnect cables W112 and W113
from pressure switch PS1 ( Fig. 4-5
[9] ). Measure resistance across
terminals of PS1 for closed
indication.
Meter
indicates PS1
closed?
Replace PS1
Disconnect P103J103 at
PCB14 ( Fig. 4-3 [6] ).
and check connections.
Yes
No
Connectors
making good
contact?
Repair
connections
as required.
No
No
Disconnect cables W122 and W123
from temperature switch TS1 ( Fig.
4-7 [14] ). Measure resistance
across terminals of TS1 for closed
indication.
Meter
indicates TS1
closed?
Replace TS1.
Disconnect P106/J106
at PCB14 and check
connections.
Yes
Connectors
making good
contact?
No
Yes
From page 3-7
4
Yes
Check pressure
regulator for 75 psi
(static).
Repair
connections
as required.
Replace
PCB14.
Summary of Contents for MAX42
Page 1: ...Plasma Arc Cutting System Service Manual SM116 801160 Rev 2 MAX42 ...
Page 62: ......
Page 63: ......
Page 64: ......
Page 65: ......
Page 66: ......
Page 68: ......
Page 70: ......
Page 73: ......
Page 74: ......
Page 75: ......
Page 84: ......
Page 85: ......
Page 86: ......
Page 87: ......
Page 88: ......
Page 89: ......
Page 90: ......
Page 91: ......
Page 92: ......
Page 93: ......
Page 94: ......
Page 95: ......
Page 96: ......
Page 97: ......
Page 98: ......
Page 99: ......
Page 100: ......