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TROUBLESHOOTING & REPAIR
F-30 F-30
PRO-CUT 25
AIR/GAS SOLENOID TEST (continued)
TEST PROCEDURE
1. Remove input power to the PRO-CUT 25
machine.
2. Remove carrying handle using a 4mm allen
wrench.
3. Using a crescent wrench, carefully remove
the plastic nut from around the pressure
regulator located on the top of the machine.
4. Using a 7mm nut driver, remove the case
wraparound.
5. Perform the Input Capacitor Discharge
Procedure detailed earlier in this section.
6. Locate the air solenoid and leads. Carefully
remove the two leads from the Solenoid. See
Figure F.12.
7. Check the coil resistance of the solenoid at
the two terminals. Normal resistance is
approximately 13 ohms. If the resistance is
abnormal, the Solenoid may be defective.
8. Carefully apply the 12 VDC supply to the
solenoids lower two terminals. With proper
air pressure applied, the solenoid should
activate and air should flow from the torch
nozzle. If the solenoid activates but air does
not flow, check for a restriction in the air line
or torch.
9. Reinstall the two leads previously removed.
FIGURE F.12 – AIR SOLENOID
LEFT SIDE OF MACHINE
A
B
Air Solenoid