Service Manual for Refrigerated Back Bar Model RUF 48
10
1. Install a temporary access valve on the high
and low side of process hoses as close to
factory crimps as possible.
2. Use temporary valves to perform repair. Duke
Manufacturing will not reimburse the cost of
permanently installed valves.
3. After completing repair, evacuate system using
the triple evacuation method described in Duke
Manufacturing Service Bulletin Number 26.
4. After completing proper evacuation method,
recharge system, using proper refrigerant
according to information on data plate.
5. Continue crimping process hose just below
temporary valve and again 2” below crimp.
6. With crimp tool in place, remove temporary
valve.
7. Braze shut end of process hose.
8. Allow to cool for about 5 minutes.
9. Remove crimp tool.
10. Check brazed end for leaks.
