10
U421-I2A & U431-I2A OPERATOR’S MANUAL
513713 REV.0
Section 2: Operation
MAINTENANCE
PA
R
TS
TROUBLESHOO
TING
OPERA
TION
INTRODUCTION
2. Removing Auger
Remove all o-rings from
parts by
fi
rst wiping o
ff
the
lubrication using a clean
towel. Then squeeze the
o-ring upward to form a
loop. Roll the o-ring out of
the groove.
B.4
Remove front auger
supports and bushings
and remove the augers
from the freezing cylinders.
As the augers are being
pulled out, remove the
plastic
fl
ights with springs.
B.5
Wipe any remaining
lubricant o
ff
the hex end
of the auger and remove
the rear seal assembly
and o-ring. Wipe any
remaining lubricant o
ff
the o-ring and auger.
Remove the rear seal
adapter from the rear seal.
B.6
Unscrew springs
from the auger
fl
ights.
B.7
Remove the front
door o-rings and
remove the spigots
from the front door.
B.2
Remove the air bleed
valve from the front
door.
B.3
The pump hose must be replaced every
800 gallons or every two weeks, whichever
occurs
fi
rst. Go to Section 3 A for pump
hose replacement instructions.
NOTE
Remove the spigot
extensions or rosette
caps if installed.
Unscrew the knobs
on the front door and
remove the door.
B.1
1. Front Door Disassembly
