Preventive Maintenance - Bunn Ultra NX Service & Repair Manual

®
Bunn-O-Matic Corporation recommends that preventive maintenance be performed at regular intervals.
Maintenance should be performed by a qualified service technician.
For Technical Service, contact Bunn-O-Matic Corporation at 1-800-286-6070
NOTE: Replacement parts or service caused by failure to perform required maintenance is not
covered by warranty.
NOTE: Equipment failure caused by product related issues are not covered by warranty.
CYCLE
(Months)
12
12
12
12
12
12
Monthly
6 or as needed
12
12 Month Maintenance
In order to maintain proper machine operation, the shaft seals and bushings need to be replaced as a
Preventive Maintenance measure. A reminder message will appear every 12 months. Worn/dirty shaft
seals/bushings may have a direct effect on torque sensing and prevent consistency with the product
(thickness) in "ICE" mode.
Preparation
Determine if the machine can be serviced in place or if it will need to be moved to a suitable area. Review
any concerns or ongoing issues with the manager that would need to be addressed during the PM visit.
Clear a suitable work area around the machine, ask the location manager to provide you with a suitable
location to relocate any items that may be around the machine temporarily.
Instructions
CAUTION – The dispenser is very heavy! Use care when lifting or moving it. Use at least two people
to lift or move the dispenser.
120 Volt 220-240 Volt
Models UK Model
1. Disconnect the machine from
power.

PREVENTIVE MAINTENANCE

ITEM
Replace hopper drum seal
Replace faucet seal
Inspect auger shaft for abnormal wear
Replace the auger shaft bushing
Replace the cooling shaft seal
Lubricate the motor shaft and motor shaft groove
Clean condenser air filter
Clean condenser coil
Inspect and clean the condenser fan
220-240 Volt
EURO Model
2. Disconnect and remove Lids on
the Hoppers. Empty hoppers of
remaining product.
3. Depress the hopper lock
11
plunger. Lift the hopper up
slightly.
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