Hoshizaki DKM-500BAH Service Manual page 31

Problem
[2] Abnormal noise.
Possible Cause
e) Solenoid
f) Mechanism
g) Ice Storage
a) Gear Motor or Gear
Head
b) Mechanism
c) Solenoid
4. Wiring to gear motor.
5. Defective capacitor.
6. Agitator rotates in
reverse direction.
1. Solenoid winding
open.
2. Wiring to solenoid.
3. Overload due to
loosening screws.
1. Chain out of position
or loose.
2. Corrosion.
3. Key of sprocket is not
in position.
4. Bad alignment of
sprocket.
5. Foreign matter
interrupting agitator.
1. No ice or little ice in
storage bin.
2. Ice bridge or block
formed.
1. Bearing worn out.
2. Grease leaks.
1. Bad setting.
2. Bad alignment of
sprocket.
3. Foreign matter
interrupting agitator.
1. Overload due to
loosening screws.
2. Foreign matter on
plunger.
31
Remedy
4. Check for loose
connection or open
circuit, and replace wiring
as needed.
5. Replace.
6. Check leads and reverse
the connections.
1. Replace
2. Check for loose
connection or open
circuit, and replace wiring
as needed.
3. After tightening, apply
thread sealant to the
parts.
1. Place in position or
tighten.
2. Apply oil.
3. Place in position.
4. Readjust.
5. Remove foreign matter.
1. Make ice.
2. Break with a poker.
1. Replace.
2. Supply grease and
replace O-ring.
1. Apply oil and readjust.
2. Readjust.
3. Remove foreign matter.
1. After tightening, apply
thread sealant to the
parts.
2. Clean.