Technical data

Maintenance

5-17

P/N 7135049A

E 2007 Nordson Corporation

VBC_Siemens

Safety Valve Plate

Installing Service Kit

Each kit contains two O-rings, sealing paste and high-temperature grease.

Fig. 5-18

Required tools:

Allan key, size 6 (torque wrench)

1. Heat melter to operating temperature.

WARNING: Hot! Risk of burns. Wear appropriate protective

clothing/equipment.

2. Empty tank.

3. Detach pump (Refer to section Repair).

4. Release the four fixing screws M8 from the safety valve plate and remove

plate.

5. Remove old O-rings and when present, the filter screen in the suction

hole.

6. Clean sealing surfaces on tank, safety valve plate and pump.

7. If there is one, clean filter screen and place in the groove again, or replace

with a new filter screen (P/N 394072).

8. Apply high temperature grease to O-rings and sealing paste to sealing

surfaces. Attach O-rings.

9. Screw on safety valve plate. Tighten the fixing screws crosswise using a

torque wrench. Torque: 25 Nm / 220 lbin

10. Attach pump (Refer to section Repair).

11. Fill the tank.