SECTION 5: SERVICE PROCEDURES
VACUUM BREAKER REPAIR PARTS KIT
These dishmachines are equipped with vacuum breakers to serve as
Jackson offers repair kits for replacing some of the wear items associated with vacuum breakers which will allow you to save money in that replacement of these parts can take place without removing the vacuum breaker from the plumb- ing assembly.
The instructions provided here are for maintenance personnel only. Unauthorized persons should not attempt any of the steps contained in these instructions.
Warning: many of the instructions and steps within this document require the use of tools. Only autho- rized personnel should ever perform any maintenance procedure on the dishmachine!
PREPARATION
STEPS
1.Note: These instructions only apply to vacuum breakers (1/2” NPT and 3/4” NPT) as pictured below. The repair kits indicated in these instructions will only work on those style of
Vacuum breaker
1.Power must be secured to the unit at the service breaker. Tag or lock out the service breaker to prevent acci- dental or unauthorized energizing of the machine.
2.Ensure that incoming water to the machine is secured either by use of a
TOOLS REQUIRED
The following tools will be needed to perform this maintenance evolution:
1.Small flathead screwdriver
2.Needle nose pliers
TIME REQUIRED
It is estimated that it will take (1) person twenty min- utes to perform this task, not including all of the items indicat- ed in the section entitled “PREPARATION”.
IMPORTANT NOTES
1.Read these instructions thoroughly before attempt- ing this maintenance evolution. Become familiar with the parts and what actions need to be taken. This will save time in the long run!
2.Note: Even though the photos in these instructions show a vacuum breaker that has been removed from the plumbing assembly, these maintenance steps could be performed with it installed so long as the requirements in the section entitled “PREPARATION” have been met.
3.Remove the top cap by gripping firmly and turning to the left. The cap should come off after a few turns.
Removing the cap
4.Set the cap to the side.
5.Using the needle nose pliers, gently lift out the plunger and set to the side. Examine the brass seating surface inside the vacuum breaker. The plunger is required to sit flat on this sur- face so it must be free of defects, imperfections and the like. If there is debris, remove it. If it is chipped or cracked then the vacuum breaker must be replaced. Failure to do so may result in the vacuum breaker not working according to its design and could result in damage to the dishmachine.
Issued:
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