DONPER
USA
—USER MANUAL
37 — COPYRIGHT DONPER USA 2015
The freezing cylin-
der walls are
scored.
1. The front dispenser door
bearing is missing or worn.
2. Improper scraper blade in-
stallation.
3. Damaged dispenser door.
1.
With the machine un-
plugged,
install or replace
a new door bearing.
2. With the machine un-
plugged, check scraper
blades to make sure they
are properly installed (i.e.
Check that the blades fit
snug onto the beater, and
that they are also slid
completely under the
stainless steel tabs).
3.
With the machine un-
plugged
, replace with new
dispenser door.
Excessive mix/ wa-
ter leakage from
discharge tube.
1. Missing or worn shaft seal.
2. Lack of lubrication on the
shaft seal.
1.
With the machine un-
plugged,
install or replace
a new shaft seal.
2.
With the machine un-
plugged,
lubricate the
shaft seal with foodgrade
lubricant.
Excessive mix leak-
age from dispenser
door spout.
1. Missing or worn draw valve o
-rings.
2. Lack of lubrication on the
draw valve o-rings.
1.
With the machine un-
plugged,
install or replace
with new o-rings.
2.
With the machine un-
plugged, l
ubricate the o-
rings with a foodgrade lub-
ricant.
Product is not feed-
ing into the freezing
cylinder.
1. Not enough mix in the hop-
per.
2. The mix inlet hole on the
feed tube is clogged.
3. The feed tube is installed up-
side down.
4. The air orifice (feed
tube cap) is not installed.
1. Fill the hopper with
more mix.
2. Remove the feed tube
and clear the inlet hole.
3. Install the feed tube with
the inlet hole side down.
4. Install the air orifice
(feed
tube cap) on the feed
tube.
