Tweco 51 with SL100SV CutMaster User Manual
Page 113
Manual 0-4640
5-49
SERVICE
5
D. Output Inductor Assembly (L1) Replacement
1. Remove the power supply cover.
2. Disconnect
the two wires connected to terminals E5 and E10 located on the right side of the Main Power PC Board. Pull
through the bottom hole in the Center Chassis.
3. Disconnect the wires connected to J23 on the Main PC Board, removing tie wraps as necessary.
4. Remove the front mounting screw securing the Output Inductor Assembly to the unit base.
5. Remove grommet from Fan Shroud for better access to the Output Inductor Assembly rear mounting stud.
6. Pass a magnetic socket with a long extension through the hole in the Fan Shroud directly above the Output Inductor
Assembly rear stud. Remove the nut. Use tape on the socket if the socket is not magnetic.
7. Install the replacement Output Inductor Assembly by reversing the above steps. The Output Inductor wires should be
oriented towards the front of the unit.
8. Reinstall the power supply cover.
E. Pressure Switch/Solenoid Assembly (PS1/SOL1) Replacement
The Pressure Switch and Solenoid Valve are one Assembly.
1. Remove the power supply cover.
2. Disconnect:
a. Wires #9 and #10 from the Pressure Switch Assembly.
b. Wires #7 and #8 from the Solenoid Assembly.
3. Use a tool (screwdriver, etc.) to push the clip on the front of the Fan Shroud to the left. Release the Solenoid Assembly.
Dislodge the Solenoid from underneath the clip on the top of the Fan Shroud.
Heatsink
Shroud
Dislodge Solenoid
Assembly
Push Clip
to the left to
release Solenoid
Assembly
Art # A-03705
2
3
1
4. Release the hose from the Adapter Fitting on the left side of the Solenoid Assembly. Hold a wrench or similar tool against
the locking ring on the Fitting, then pull on the hose to release it.
5. Release the hose from the Adapter Fitting on the right side of the Pressure Switch.
6. Install the replacement Pressure Switch/Solenoid Assembly by reversing the above steps. Once installed, the Solenoid
Assembly should fit securely under the Fan Shroud and should not be moveable.
7. Reinstall the power supply cover.