Hoshizaki DB-130H User manual
Hoshizaki
“A Superior Degree
of Reliability”
www.hoshizaki.com
Model
DB-130H
Ice Dispensing Bin
Hoshizaki America, Inc.
Number: 73128
Issued: 7-13-2005
Revised: 7-29-2005
SERVICE MANUAL
2
IMPORTANT
Only qualified service technicians should attempt to service or maintain this
dispensing bin. No service or maintenance should be undertaken until the
technician has thoroughly read this Service Manual.
HOSHIZAKI provides this manual primarily to assist qualified service technicians in the
service and maintenance of the dispensing bin.
Should the reader have any questions or concerns which have not been satisfactorily
addressed, please call or write to the HOSHIZAKI Technical Support Department for
assistance.
HOSHIZAKI AMERICA, INC.
618 Highway 74 South
Peachtree City, GA 30269
Attn: HOSHIZAKI Technical Support Department
Phone: 1-800-233-1940 Technical Service
(770) 487-2331
Fax: 1-800-843-1056
(770) 487-3360
Web Site: www.hoshizakiamerica.com
Note: To expedite assistance, all correspondence/communication MUST include the
following information:
•ModelNumber
•SerialNumber
•Completeanddetailedexplanationoftheproblem
3
Please review this manual. It should be read carefully before the dispensing bin
is serviced or maintenance operations are performed. Only qualified service
technicians should service and maintain the dispensing bin. This manual should be
made available to the technician prior to service or maintenance.
CONTENTS
I. Specification ....................................................................................................................... 4
II. General Information ........................................................................................................... 5
A. Construction.................................................................................................................. 5
III. Technical Information ........................................................................................................ 6
A. Wiring Diagram ............................................................................................................. 6
IV. Service Diagnosis ............................................................................................................. 7
V. Removal and Replacement of Components ..................................................................... 9
A. Gear Motor and Chain .................................................................................................. 9
B. Safety Switch ................................................................................................................ 9
C. Spout Switch ............................................................................................................... 10
D. Solenoid ...................................................................................................................... 10
VI. Cleaning and Maintenance Instructions ......................................................................... 11
A. Preparing the Ice Dispensing Bin for Long Storage .................................................... 11
B. Cleaning Instructions................................................................................................... 11
1. Cleaning Procedure............................................................................................... 11
2. Sanitizing Procedure – Following Cleaning Procedure.......................................... 13
C. Maintenance ............................................................................................................... 13
4
I. Specification
We reserve the right to make changes in specifications and design without prior notice.
AC SUPPLY VOLTAGE 115/60/1
AMPERAGE 1.4 A
MINIMUM CIRCUIT AMPACIT
Y
15 A
MAXIMUM FUSE SIZE 15 A
APPROXIMATE ELECTRIC CONSUMPTION 110 W
APPROXIMATE STORAGE CAPACITY 130 lbs (60 Kg)
APPROXIMATE ICE DISPENSING SPEED 20 lbs/min (9 kg/min)
EXTERIOR DIMENSIONS ( W x D x H ) 22" x 30" x 53" (560 x 757 x 1346 mm) With 6" Legs
INTERIOR DIMENSIONS ( W x D x H ) 15.3" x 22.4" x 22.5" (389 x 569.5 x 571 mm)
EXTERIOR FINISH Plastic/SUS Front Cover, P.V.C Galvanized Steel Side Panels
Galvanized Steel Rear Panel
INTERIOR FINISH Polyethelene 1 pc. Mold
INSULATION Polyurethane Foam
WEIGHT Net 178.4 lbs (81 kg), Shipping 220 lbs (100 kg)
CONNECTIONS - ELECTRIC Permanent Connection
- DRAIN Outlet 3/4" FPT
- WATER INLET N/
A
GEAR MOTOR 60 W
AGITATOR Stainless Steel Round Bar 14.5" Dia.
GEAR MOTOR PROTECTION Thermal Protector (Internal)
SAFTEY PROTECTION Interlock Switch for Front Panel
Saftey Switch for Ice Spout
ACCESSORIES - OPTIONAL 6" Legs, 4 pcs
OPERATING CONDITIONS VOLTAGE RANGE 104 - 132 V
AMBIENT TEMP. 45 - 100° F
ENG F-003.0.1196
5
II. General Information
A. Construction
6
III. Technical Information
A. Wiring Diagram
7
IV. Service Diagnosis
Problem Possible Cause Remedy
[1] No ice dispensed. a) Power Supply 1. "OFF" position. 1. Move to "ON" position.
2. Loose connection. 2. Tighten.
3. Bad contacts. 3. Check for continuity and
replace.
4. Voltage too high. 4. Check and get
recommended voltage.
b) Fuse (Inside Fused
Disconnect, if any)
1. Blown. 1. Check for short circuit and
replace.
c) Spout Switch 1. Bad contacts. 1. Check for continuity and
replace.
2. Loose connection. 2. Tighten.
d) Door Switch 1. Front panel is not in
position.
1. Place in position.
2. Actuating plate does not
push door switch.
2. Check for continuity and
adjust.
3. Bad contacts. 3. Check for continuity and
replace.
4. Loose connection. 4. Tighten.
e) Safety Switch 1. Spout is not in position. 1. Check for continuity and
place in position.
2. Bad contacts. 2. Check for continuity and
replace.
3. Loose connection. 3. Tighten.
f) Gear Motor 1. Thermal protector is
tripped.
1. Allow to cool.
2. Gear motor winding
opened.
2. Replace.
3. Bearing worn out. 3. Replace.
4. Wiring to gear motor. 4. Check for loose connection
or open circuit, and replace
wiring as needed.
5. Defective capacitor. 5. Replace.
6. Agitator rotates in
reverse direction.
6. Check leads and reverse the
connections.
g) Solenoid 1. Solenoid winding open. 1. Replace
2. Wiring to solenoid. 2. Check for loose connection
or open circuit, and replace
wiring as needed.
3. Overload due to
loosening screws.
3. After tightening, apply
thread sealant to the parts.
8
Problem Possible Cause Remedy
h) Mechanism 1. Chain out of position or
loose.
1. Place in position or tighten.
2. Corrosion. 2. Apply oil.
3. Key of sprocket is not in
position.
3. Place in position.
4. Bad alignment of
sprocket.
4. Readjust.
5. Foreign matter
interrupting agitator.
5. Remove foreign matter.
i) Ice Storage 1. No ice or little ice in
storage bin.
1. Make ice.
2. Ice bridge or block
formed.
2. Break with a poker.
[2] Abnormal noise. a) Gear Motor or Gear Head 1. Bearing worn out. 1. Replace.
2. Grease leaks. 2. Supply grease and replace
O-ring.
b) Mechanism 1. Bad setting. 1. Apply oil and readjust.
2. Bad alignment of
sprocket.
2. Readjust.
3. Foreign matter
interrupting agitator.
3. Remove foreign matter.
c) Solenoid 1. Overload due to
loosening screws.
1. After tightening, apply
thread sealant to the parts.
2. Foreign matter on
plunger.
2. Clean.
[3] Ice in storage bin often
melts.
a) Bin Drain 1. Foreign matter blocking
bin drain.
1. Remove foreign matter.
9
V. Removal and Replacement of Components
A. Gear Motor and Chain
1) Turn off the power supply.
2) Remove the front panel and left side panel.
3) Loosen the four bolts holding Gear Motor Bracket (B) and the adjusting bolt.
4) Remove the chain.
5) Loosen the socket set screw and remove the sprocket by using a gear puller.
6) Install a new gear motor.
NOTE: When removing the gear motor and gear head, take care to keep the grease.
7) Assemble the removed parts in the reverse order of the above procedure.
NOTE:
• When weight (2.2 Ib) is applied to the chain at the center, the displacement must
be 0.31 to 0.51".
• Lubricant (Class SAE 20) must be applied to the chain using a cloth.
8) Turn on the power supply.
B. Safety Switch
1) Turn off the power supply.
2) Remove the front panel.
3) Remove the safety switch cover.
4) Disconnect the connectors from the safety switch leads.
5) lnstall a new safety switch.
6) Assemble the removed parts in the reverse order of the above procedure.
7) Turn on the power supply.
10
C. Spout Switch
1) Turn off the power supply.
2) Remove the front panel.
3) Remove the spout switch assembly and Barrier (A).
4) Disconnect the connectors from the spout switch leads.
5) Install a new spout switch.
6) Assemble the removed parts in the reverse order of the above procedure.
7) Turn on the power supply.
D. Solenoid
1) Turn off the power supply.
2) Remove the front panel and the left side panel.
3) Disconnect the connectors from the solenoid leads, and remove the solenoid assembly.
4) Remove the solenoid, and install a new solenoid. Securing torque should be
13 to 17.3 in. lb.
5) Assemble the removed parts in the reverse order of the above procedure.
6) Turn on the power supply.
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