Scotsman F0522 Manuel de service télécharger pdf (Page 47)

Auger and Evaporator Inspection

The auger must be carefully inspected for wear

and scale. The wear areas are the top bearing

surface, drive junction and the edges of the flights.

The edges of the auger have horizontal serrations

and there are highly machined areas in between. If

the auger has contacted the evaporator wall, it will

have very rough flight edges and should be

replaced.

Scale forms on the auger during normal ice

making. If scale is still on the auger after cleaning

in the ice machine, the scale can be removed using

ice machine cleaner and a nylon scrub pad.

Inspect the auger, the critical areas of the auger

are:

1. The auger body. It should be clean and shining.

Sometimes an auger will appear clean when wet,

but after it is dry it will be seen to be stained. Scrub

the auger with ice machine cleaner and hot water.

Caution: Ice machine cleaner is an acid. Handle it

with extreme care, keep out of the reach of

children.

2. The water seal area. Because the auger has

been removed, the water seal will have to be

replaced. Remove the water seal top half from the

auger, and remove any sealant or debris from the

shoulder of the auger where the water seal was.

Inspect the evaporator's interior. The interior is

stainless steel that should be bright and shiny

when dry. If it isn't the scale on the surface must be

removed. To remove scale:

1. Remove the water seal; it will have to be

replaced.

2. Use a brass wire brush and scrub the interior of

the evaporator vertically to remove any scale.

3. Clean up any debris from the top of the gear

reducer.

September 2009

Page 47

N0422, F0522, N0622, F0822, N0922, F1222, N1322, F1522

Air, Water or Remote Service Manual

Example of a Clean Auger

Example of Scale Build Up on Evaporator Wall

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Scotsman F0522 Manuel de service Page 47

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