Howe Rapid Freeze, Руководство по обслуживанию

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14 Trouble Shooting Chart
49
PROBLEM PROBABLE CAUSE REMEDY
Water overflowing top water
distribution pan because:
Water distribution tubes plugged. Unplug all distribution
tubes.
Water pump delivering too much
water to pan.
Adjust water regulating
valve (ball valve located
near water pump)
One or more water distribution
tubes broken.
Replace all defective
water distribution tubes.
Ice flaker not harvesting down to
bottom of freezing drum.
See problem I.
DRIVE MOTOR
) Dull carbon steel ice blade. Replace blade with new
stainless steel ice blade. Drive motor amps too high,
cuts out on overload as
soon as ice starts to freeze
on drum.
Worn gear(s) in speed reducer. Repair or replace speed
reducer.
) Broken gear tooth in speed
reducer.
Repair or replace speed
reducer.
) Dull carbon steel ice blade. Replace blade with new
stainless steel ice blade.
Motor amps too high, reach
a peak reading at a
certain position on the
drum.
ce blade adjusted closer than .003
clearance at that position.
Readjust ice blade
clearance. (see section 11,
Service & adjustment).
Motor runs and main shaft
turns only when there is
no ice on drum.
Woodruff key in speed reducer
sheared ( on slow speed gear on
output shaft).
Repair or replace speed
reducer.
a) Defective off delay timer Replace timer. Motor does not start when
system is turned on.
b) Defective bin level control
See Photo Eye problems
page 61.
Motor does not shut off
when system is turned off.
(After normal time delay
period)
Defective off delay timer Replace timer.
Motor cuts out on overload,
but amps do not exceed
nameplate F.L.A.
Electronic overload set too low Adjust potentiometer
clockwise
c
turn at a
time.