Hoshizaki DB-130H Manuale utente

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

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:

   •ModelNumber

   •SerialNumber

   •Completeanddetailedexplanationoftheproblem

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

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

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/

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

II. General Information

A. Construction

III. Technical Information

A. Wiring Diagram

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.

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.

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.

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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