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ES-2000 & ES-4000 Series Installation/Operation Manual 7610-011-35-10
Issued: 10-29-2007 Revised: N/A
SECTION 5: SERVICE PROCEDURES
VACUUM BREAKER REPAIR PARTS KIT
36
These dishmachines are equipped with vacuum
breakers to serve as back-flow prevention devices. ASSE
requirements specify what type of back-flow prevention is nec-
essary on dishmachines. Vacuum breakers, unlike air gaps,
have certain parts that have specific tolerances and design
aspects that must be met in order to function properly.
Ecolab 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
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 shut-off valve or disconnecting the
incoming water line.
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!
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
back-flow preventers. If you have a machine with a different
style of vacuum breaker, contact your Ecolab representative
about replacement components.
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.
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. 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.
Vacuum breaker
Removing the cap
Содержание ECOLAB ES-2000
Страница 2: ......
Страница 7: ...1 SECTION 1 SPECIFICATION INFORMATION ...
Страница 17: ...11 SECTION 2 INSTALLATION OPERATION INSTRUCTIONS ...
Страница 29: ...23 SECTION 3 PREVENTATIVE MAINTENANCE ...
Страница 31: ...25 SECTION 4 TROUBLESHOOTING ...
Страница 37: ...31 SECTION 5 SERVICE PROCEDURES ...
Страница 44: ...38 SECTION 6 PARTS SECTION ...
Страница 85: ...79 SECTION 7 ELECTRICAL SCHEMATICS ...