SECTION 8
ELECTRICAL SYSTEM
Jan 2001
Page 8-6
05114632
Replace Proximity Switch
1. Turn off waterjet pump, disconnect and LOCKOUT electric power.
2. Disconnect cable.
3. Unscrew bolts, remove proximity switch.
4. Install new switch. Install bolts.
5. Torque bolts to 16-18 Nm (140-160 in-lbs.).
8.2.2 Optical Relay Switch Service
If the pump quits operating, the optical relay switch may need to be replaced:
• Verify input to the proximity switch
• Check output to the optical relay
• Replace switch upon failure
Components: Control panel
Optical Relay Switch
Screw
Recommended Tools: Flat screwdriver, 3mm (1/8 inch)
Parts: Optical Relay Switch
Replace Optical Relay Switch
1. Turn off waterjet pump, disconnect and LOCKOUT electric power.
2. Open control panel.
3. Unscrew optical relay switch mounting bolts, remove and replace.