Nordson VersaBlue 100H/100H, Manual

Page: 87 / 108

Repair
7-7
P/N 7146386A
E 2008 Nordson Corporation
VBN w/o Control System
Replacing Safety Valve
WARNING: For safety reasons, the safety valve may not be disassembled.
The complete valve must be replaced every time.
WARNING: Hot! Risk of burns. Wear appropriate protective
clothing/equipment.
Safety Valve
1. Close the tank isolation valve (Fig. 7-1).
2. Use an open-end wrench to screw out the safety valve, then extract with
a pliers.
3. Remove outer O-rings and clean outside of safety valve.
4. Install new O-rings.
5. Apply grease to all threads and O-rings.
6. To prevent damage to the O-rings, carefully guide the valve into the hole
when the melter is warm.
7. Tighten valve with a torque wrench. Torque: 15 Nm (133 lbin)
8. Open tank isolation valve.
Fig. 7-8
Safety Valve with Reed Switch
1. Before the safety valve with Reed switch can be detached, the
connecting cable must be unscrewed.
2. Refer to Safety Valve for other tasks.
3. Screw the cable onto the new safety valve with Reed switch.
Fig. 7-9