Hoshizaki KM-251BAH User manual

Hoshizaki
“A Superior Degree
of Reliability”
www.hoshizaki.com
Model
KM-251BAH
Self-Contained Crescent Cuber
Hoshizaki America, Inc.
Number: 71255
Issued: 9-22-2006
PARTS LIST
™

2
CONTENTS
Auxiliary Codes ...................................................................................................................... 3
Note About Ordering Parts .................................................................................................... 3
Material Abbreviations ........................................................................................................... 4
A. Ice Cuber Assembly .......................................................................................................... 5
B. Refrigeration Circuit ........................................................................................................... 9
C. Water Circuit .................................................................................................................... 12
D. Control Box Assembly ..................................................................................................... 15
E. Electrical Box Assembly .................................................................................................. 16
F. Door Assembly ................................................................................................................. 17
G. Label Location ................................................................................................................. 18
H. Accessories and Packaging ............................................................................................ 20

3
Auxiliary Codes
KM-251BAH R-0 April 2006
Note About Ordering Parts
Most assemblies cannot be ordered as complete units; parts in the assemblies generally
must be ordered separately.

4
Material Abbreviations
ALUMINUM
AL = Aluminum
COPPER
CU = Copper
PLASTIC
ABS = Acrylonitrile -butadiene - styrene
AC = Polyacetal
EVA = Ethylene vinyl acetate
PA = Polyamide = Nylon
PC = Polycarbonate
PE = Polyethylene
PES = Polyester
PETP = Polyethylene terephthalate = Tetlon
PP = Polypropylene
PS = Polystyrene
PTFE = Polytetrafluoroethylene = Teflon
PUR = Polyurethane
PVC = Polyvinyl chloride
RUBBER
VN = Vinyl Nitrile
EPDM = EP rubber
NBR = Nitrile butadiene rubber
NR = Natural rubber
NP = Neoprene
SI.R = Silicone rubber
SY.R = Synthetic rubber
EPH = Epichlorohydrin
STEEL
GS = Galvanized steel
SS = Stainless steel
PS = Plated steel
PAS = Primed steel
AUXILIARY CODE
K-0
Designates the year. "K" indicates the year 2000. Years progress or regress in alphabetical order.
"J" is 1999, "L" is 2001, "M" is 2002, and so on. The letters "I" and "O" were skipped.
Designates significant part changes within the same year for this model. Base is 0 and this number
advances for each change.
Example: P-1
"P" indicates 2004.
"1" indicates the first significant part change for 2004.

5
A. Ice Cuber Assembly
KM-251BAH
1/2
R-0
25 26 27 28
19
16
20
18
21
13
EE1
F
G
17 17a
B
B1
B2
11
15 15a
14 14a
Panel shown removed for
clarity.
12 12a
25 26 27 28

6
D1
A. Ice Cuber Assembly
KM-251BAH
2/2
R-0
2
6
8
9
C2
23
10 10a
6a
77a
24
22
1a
1
C
C1
D
33a
4
55a

7
Title: A. Ice Cuber Assembly Model: KM-251BAH
Index
No. Description
Material or
Model Number Part Number
Required Number
R-0
B Refrigeration Circuit - 1A1035A01 1
B1 T2 Screw 4×12 SS 7P32-0412 2
B2 Truss Head Screw 4×16 SS 7C32-0416 4
C Water Circuit 1A1034A01 1
C1 Thumbscrew - 415949G10 1
C2 T2 Screw (See C. Water Circuit
item 16)
4×8 SS 7P32-0408 2
D Control Box Assembly - 3A3413A01 1
D1 T2 Screw 4×8 SS 7P32-0408 4
E Electrical Box Assembly - 3A3400A02 1
E1 T2 Screw 4×8 SS 7P32-0408 2
F Door Assembly - 3A3415A02 1
G Label Location - 3A3429A01 1
1 Body Assy - 1A1043G01 1
1a T2 Screw 4×8 SS 7P32-0408 9
2 Grommet/Pipe - 3A3387-01 1
3 Bracket/Cleaning Valve - 4A3703-01 1
3a T2 Screw 4×8 SS 7P32-0408 2
4 Grommet/Cleaning Valve - 3A3390-01 1
5 Bracket/Water Inlet - 4A4120G01 1
5a T2 Screw 4×8 SS 7P32-0408 2
6 Top Frame - 2A3369-02 1
6a Truss Head Screw 4×12 SS 7C32-0412 4
7 Rear Panel - 3A3397-02 1
7a T2 Screw 4×8 SS 7P32-0408 3
8 Bushing SR-7K-2 420472-02 1
9 Power Supply Cord 15 AMP 125V 4A1773-01 1
10 Rear Cover - 3A3399-01 1
10a T2 Screw 4×8 SS 7P32-0408 2
11 Top Insulation Assembly - 2A3833G02 1
12 Top Panel - 1A1026-02 1
12a Truss Head Screw 4×12 SS 7C32-0412 2
13 Slope - 3A4121-02 1
14 Hinge (L) - 4A3690-01 1
14a Hex Bolt 5×20 SS (LF) 7B0230520 2
15 Hinge (R) - 4A3690-02 1
15a Hex Bolt 5×20 SS (LF) 7B0230520 2
16 Hinge Guide - 3A4159-01 2
17 Front Panel - 2A3376-01 1
17a Truss Head Screw 4×12 SS 7C32-0412 1
18 Louver (A) - 1A0547-01 1
19 Push Retainer PS125306PG 4A2414-01 3

8
Title: A. Ice Cuber Assembly Model: KM-251BAH
Index
No. Description
Material or
Model Number Part Number
Required Number
R-0
20 Insulation/Front Panel - 4A3706-01 1
21 Air Filter (A) Large - 2A2062G01 1
22 Bushing OCB-875 428394-04 2
23 Screw - Ground 4×8 7C32-0408 1
24 Screw - Ground Pump Motor 4×8 7C32-0408 1
25 Door Spacer (A) SS (0.5)mm 4A4124-01 As Required
26 Door Spacer (B) SS (0.6)mm 4A4124-02
27 Door Spacer (C) SS (0.8)mm 4A4124-03
28 Door Spacer (D) SS (1.0)mm 4A4124-04

9
B. Refrigeration Circuit
KM-251BAH
R-0
1
3
27
6
24
17 18
54
38
38
38
37
23
36
25
3526
12
10
79
8a
8
2
13
21
7a
14
38 32 33
34
27a
10a
11a
11
22a
22
13a
31
20
19
30
16 16a 16b 16c 16d
29b
28 29 29a
15 15a
31
14a
22a
22a
DETAILED THERMISTOR ATTACHMENT

10
Title: B. Refrigeration Circuit Model: KM-251BAH
Inde×
No. Description
Material or
Model Number Part Number
Required Number
R-0
1 Evaporator Assembly - 1A1033G01 1
2 Base - 3A3447G02 1
3 Expansion Valve - 4A1838-02 1
4 Expansion Valve Cover - 4A1168-01 1
5 Holder Exp. Valve - 3/8 - 3A0107-01 1
6 Clamp - 443461-02 1
7 Fan Motor - 4A3158-01 1
7a Self-Locking Nut NO.8-32 7N21I0832 4
8 Fan Motor Bracket - 3A3436-01 1
8a Hex Bolt 5×12 SS 7B0230512 4
9 Fan Blade - 444898-01 1
10 Fan Capacitor 5.0MFD, 250V 443192-02 1
10a T2 Screw 4×8 SS 7P32-0408 1
11 Shroud - 3A3435G02 1
11a T2 Screw 4×8 SS 7P32-0408 4
12 Pressure Switch - 433441-07 1
13 Pressure Switch Bracket GS 434938-01 1
13a T2 Screw 4×8 SS 7P32-0408 1
14 Base/Compressor - 3A3412G01 1
14a T2 Screw 4×8 SS 7P32-0408 2
15 Clamp/Copper Tube - 4A3708-01 1
15a T2 Screw 4×8 SS 7P32-0408 1
16 Compressor SC12MLX 4A3677-01 1
16a Rubber Grommet - 4A1452-01 4
16b Sleeve - 4A1451-01 4
16c Washer - 4A1450-01 4
16d Bolt - 4A1459-01 4
17 Protector - 4A3679-01 1
18 Protector Holder - 4A3680-01 1
19 Cover - Compressor 117U1021 4A2141-01 1
20 Copper Tube-High Side (includes
items: 28, 29,
29a, 30, 31)
2A3381G01 1
21 Copper Tube-Access Valve - 3A3403G01 1
22 Condenser - 2A3404-01 1
22a T2 Screw 4×8 SS 7P32-0408 2
23 Separator - 2A3356-02 2
24 Heat Exchanger - 2A3388G01 1
25 Drier DY-15QHD-5 458776-01 1
26 Copper Tube (J)-High Side - 4A3697-01 1
27 Plate/Inlet Fitting - 4A3701-01 1
27a T2 Screw 4×8 SS 7P32-0408 1
28 Valve Body (hot gas) (included
in item 20:
2A3381G01)
4A3978-01 1