Hoshizaki KM-901MAH User manual

Hoshizaki
“A Superior Degree
of Reliability”
www.hoshizaki.com
Models
KM-901MAH
KM-901MWH
KM-901MRH
KM-901MRH3
Modular Crescent Cuber
Hoshizaki America, Inc.
Number: 71277
Issued: 7-23-2008
PARTS LIST


CONTENTS
Auxiliary Codes ...................................................................................................................... 3
Note About Ordering Parts .................................................................................................... 3
Material Abbreviations ........................................................................................................... 4
A. Ice Cuber Assembly .......................................................................................................... 5
KM-901MAH ..................................................................................................................... 5
KM-901MWH ..................................................................................................................... 7
KM-901MRH, KM-901MRH3 ............................................................................................. 9
B. Refrigeration Circuit ........................................................................................................ 11
KM-901MAH .................................................................................................................... 11
KM-901MWH ................................................................................................................... 15
KM-901MRH, KM-901MRH3 ........................................................................................... 19
C. Water Circuit ................................................................................................................... 3
D. Control Box Assembly ..................................................................................................... 6
E. Label Location ................................................................................................................. 8
KM-901MAH .................................................................................................................... 8
KM-901MWH ................................................................................................................... 30
KM-901MRH, KM-901MRH3 ........................................................................................... 3
F. Front Panel Assembly ..................................................................................................... 34
G. Top Panel Assembly ...................................................................................................... 36
H. Transformer Box Assembly ............................................................................................. 37
J. Pump Motor Assembly ..................................................................................................... 38
K. Accessories & Packaging ................................................................................................ 39

3
Auxiliary Codes
KM-901MAH T-0 February 007
KM-901MWH T-0 February 007
KM-901MRH T-0 February 007
KM-901MRH3 T-0 February 007
Auxiliary Code Breakdown
K-0
Designates the year. "K" indicates the year 000. Years progress or regress in alphabetical order.
"J" is 1999, "L" is 001, "M" is 00, and so on. The letters "I" and "O" were skipped.
Designates signicant part changes within the same year for this model. Base is 0 and this number
advances for each change.
Example: T-1
"T" indicates 008.
"1" indicates the rst signicant part change for 008.
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 = Polytetrauoroethylene = Teon
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

5
A. Ice Cuber Assembly
KM-901MAH
T-0
For Thermostat, see
"D. Control Box Assembly"
B
C
E
14 5
3
11
13
1
17
9
16
1
DD1
15 15a
66a
77a
19
 a
a
14 14a
0
G
FF1
9a
10
18
88a
3b
33a 3c

6
Title: A. Ice Cuber Assembly Model: KM-901MAH
Index
No. Description
Material or
Model Number Part Number
Required Number
T-0
B Refrigeration Circuit 1A160A01 1
C Water Circuit 1A083A09 1
D Control Box Assembly A406A01 1
D1 T Screw 4×8 7P31-0408 3
E Label Location 3A47A01 1
F Front Panel Assembly SS A3986G01 1
F1 Truss Head Screw 4×16, SS 7C3-0416 1
G Top Panel Assembly SS 3A4185G01 1
1 Evaporator Case 1A0579G07 1
 Base (Includes items F1
and 6a)
1A0651G06 1
a FT Screw 4×8 7F31-0408 7
3 Front Frame 3617-01 1
3a Truss Head Screw 4×8, SS 7C3-0408 
3b Truss Head Screw 4×30, SS 7C3-0430 
3c Hex Flange Nut 4, SS 7J0-0400 
4 Square Washer BRASS 433537-0 1
5 Screw-Grounding BRASS 433304-0 1
6 Bulb Holder (C) 3A018G01 1
6a Thumbscrew 415949G1 
7 Junction Box Cover 433410-01 1
7a T Screw 4×8 7P31-0408 1
8 Bulb Holder 3A3903-01 1
8a T Screw 4×16, SS 7P3-0416 
9 Strap 435487-01 1
9a Thumbscrew SS, ABS 415949G1 1
10 Capillary Ring 45307-01 1
11 Base Cover (B) 3618G0 1
1 Top Insulation PP 15730G01 1
13 Front Insulation PP 15731G0 1
14 Side Panel (R) SS A117G0 1
14a T Screw 4×8, SS 7P3-0408 1
15 Control Box Cover GS 3A386-01 1
15a T Screw 4×8 7P31-0408 
16 Air Filter (A) ABS A06G01 
17 Louver (A) ABS 1A0547-01 
18 Push Retainer 4A414-01 6
19 Bushing SR-34- 4047-05 1
0 Silicone Hose L=390 7730I381 1
1 Gasket L=76 4A0808L0 1
 Barrier-Insulation GS 4A1167-01 1
a T Screw 4×8 7P31-0408 
3 Foam Seal L=480 808-0005 1

7
A. Ice Cuber Assembly
KM-901MWH
T-0
For Thermostat, see
"D. Control Box Assembly"
B
C
E
1
13
1
9
5
4
1
10
16
DD1
a
66a
77a
14 14a
17 17a
15 15a
F1
F
G
18
19
0
88a
11
33a 3b 3c

8
Title: A. Ice Cuber Assembly Model: KM-901MWH
Index
No. Description
Material or
Model Number Part Number
Required Number
T-0
B Refrigeration Circuit 1A16A01 1
C Water Circuit 1A083A09 1
D Control Box Assembly A406A0 1
D1 T Screw 4×8 7P31-0408 3
E Label Location 3A48A01 1
F Front Panel Assembly SS A5G01 1
F1 Truss Head Screw 4×16, SS 7C3-0416 1
G Top Panel Assembly SS 3A186G01 1
1 Evaporator Case 1A0579G07 1
 Base (Includes items F1
and 7a)
1A0651G05 1
a FT Screw 4×8 7F31-0408 7
3 Front Frame 3617-01 1
3a Truss Head Screw 4×8, SS 7C3-0408 
3b Truss Head Screw 4×30, SS 7C3-0430 
3c Hex Flange Nut 4, SS 7J0-0400 
4 Square Washer BRASS 433537-0 1
5 Screw-Grounding BRASS 433304-0 1
6 Junction Box Cover 433410-01 1
6a T Screw 4×8 7P31-0408 1
7 Bulb Holder (C) 3A018G01 1
7a Thumbscrew 415949G1 
8 Bulb Holder 3A3903-01 1
8a T Screw 4×16, SS 7P3-0416 
9 Silicone Hose L=390 7730I381 1
10 Bushing SR-34- 4047-05 1
11 Base Cover (B) SS 3618G0 1
1 Top Insulation PP 15730G01 1
13 Front Insulation PP 15731G0 1
14 Side Panel (R) SS A117G0 1
14a T Screw 4×8, SS 7P3-0408 1
15 Control Box Cover GS 3A386-01 1
15a T Screw 4×8 7P31-0408 
16 Gasket L=76 4A0808L0 1
17 Barrier-Insulation GS 4A1167-01 1
17a T Screw 4×8 7P31-0408 
18 Strap 435487-01 1
19 Thumbscrew SS, ABS 415949G1 1
0 Capillary Ring 45307-01 1
1 Foam Seal L=480 808-0005 1

9
A. Ice Cuber Assembly
KM-901MRH, KM-901MRH3
T-0
For Thermostat, see
"D. Control Box Assembly"
B
C
E
16
1
13
1

10 9
17
66a
19 19a
DD1
a
77a
14 14a
F1
15 15a
18
G
F
1
0
11
54
88a
H1
H
33a 3b 3c
(KM-901MRH3 only)

10
Title: A. Ice Cuber Assembly Model: KM-901MRH, KM-901MRH3
Index
No. Description
Material or
Model Number Part Number
Required Number
T-0
B Refrigeration Circuit KM-901MRH 1A164A01 1
KM-901MRH3 1A164A0 1
C Water Circuit 1A083A09 1
D Control Box Assembly KM-901MRH A406A0 1
KM-901MRH3 A555A01 1
D1 T Screw 4×8 7P31-0408 3
E Label Location KM-901MRH 3A49A01 1
KM-901MRH3 3A430A01 1
F Front Panel Assembly SS A5G01 1
F1 Truss Head Screw 4×16, SS×16, SS16, SS 7C3-0416 1
G Top Panel Assembly SS 3A186G01 1
H Transformer Box Assembly KM-901MRH3 3A110A01 1
H1 Hex Head Bolt w/Washer (LF) 5×10 7B0130510 4
1 Evaporator Case 1A0579G07 1
 Base (Includes items F1
and 8a)
KM-901MRH 1A0651G03 1
KM-901MRH3 1A0651G04 1
a FT Screw 4×8×88 7F31-0408 7
3 Front Frame 3617-01 1
3a Truss Head Screw 4×8, SS 7C3-0408 
3b Truss Head Screw 4×30, SS 7C3-0430 
3c Hex Flange Nut 4, SS 7J0-0400 
4 Square Washer BRASS 433537-0 
5 Screw-Grounding BRASS 433304-0 
6 Junction Box Cover 433410-01 
6a T Screw 4×8 7P31-0408 
7 Bulb Holder 3A3903-01 1
7a T Screw 4×16, SS 7P3-0416 
8 Bulb Holder (C) 3A018G01 1
8a Thumbscrew 415949G1 
9 Strap 435487-01 1
10 Thumbscrew 415949G1 1
11 Base Cover SS 3618G0 1
1 Top Insulation PP 15730G01 1
13 Front Insulation PP 15731G0 1
14 Side Panel (R) SS A117G0 1
14a T Screw 4×8, SS 7P3-0408 1
15 Control Box Cover 3A386-01 1
15a T Screw 4×8 7P31-0408 
16 Gasket L=76 4A0808L0 1
17 Silicone Hose L=390 7730I381 1
18 Capillary Ring 45307-01 1
19 Barrier-Insulation GS 4A1167-01 1
19a T Screw 4×8 7P31-0408 
0 Bushing SR-30-1 4047-03 1
1 Bushing SR-34- 4047-05 1
 Foam Seal L=480 808-0005 1

11
B. Refrigeration Circuit
1/2
KM-901MAH
T-0
4
38
37
36 41
40
30
89
17
15 18 48
48
47
1
39
34
47
8 8a
9 9a
 a
44
35
3
46
4
43 43a
45 45a
47 48
48
16
48

1
B. Refrigeration Circuit
2/2
KM-901MAH
T-0
a
13
1a
11b 1c
34
1
11
66a
5
43
14
10
6
7
7 7a
4 4a
5 5a
31 31a
3 3a
33
3b
0
19 0a 0b

13
Title: B. Refrigeration Circuit Model: KM-901MAH
Index
No. Description
Material or
Model Number Part Number
Required Number
T-0
1 Compressor CS1K6E-PFV-37 4A4134-01 1
1a Spacer 43491-01 4
1b Grommet 4349-01 4
1c Bolt 8×45 437889-01 4
 Condenser 1A159-01 1
a T Screw 4×8 7P31-0408 7
3 Drier 4A666-01 1
4 Nylon Tie 8911-0301 1
5 Pressure Switch 433441-07 1
6 Pressure Switch Bracket GS 434938-01 1
6a T Screw 4×8 7P31-0408 1
7 Elbow 417395-03 
8 Thermistor L=1050 49006-03 1
9 Holder-Thermistor 47430-01 1
10 Access Valve 45779-01 
11 Strainer 441569-0 1
1 Check Valve 4A1373-01 
13 Check Valve Assembly 3A718G0 1
14 Expansion Valve 4A4008-01 
15 Holder Expansion Valve 3A0107-01 
16 Expansion Valve Cover 3A0944-01 
17 Clamp 443461-0 
18 Insulation Tube L=170 776-3555 
19 Valve Body-Hot Gas 4A3978-01 1
0 Coil-Valve 4A377-01 1
0a Bolt 4A377F01 1
0b Truss Head Screw 4×8 7C3-0408 
1 Connection Tee Cover 4A1379-01 1
 Hot Gas Valve Bracket GS 434916-01 1
a T Screw 4×8 7P31-0408 
3 Clamp 4A338-01 
4 Capacitor 5.0MFD, 50V 44319-0 1
4a T Screw 4×10 7P31-0410 1
5 Fan Motor 50 Watt-GEHI 4A3158-01 1
5a Self-Locking Nut 7N1I083 4
6 Fan Blade 4A4144-01 1
7 Fan Motor Bracket 3A415-01 1
7a Hex Bolt Assembly 5×1 7B013051 4
8 Top Frame (A) GS 35938-01 1
8a T Screw 4×8, SS 7P3-0408 
9 Side Frame GS A1379G01 1
9a T Screw 4×8 7P31-0408 6
30 Rear Panel GS 366G07 1
31 Shroud A3951-01 1
31a T Screw 4×8 7P31-0408 4
3 Evaporator 106396G0 1
3a T Screw 4×16, SS 7P3-0416 4
3b T Screw 4×1, SS 7P3-041 

14
Title: B. Refrigeration Circuit Model: KM-901MAH
Index
No. Description
Material or
Model Number Part Number
Required Number
T-0
33 Heat Exchanger 1A15G01 1
34 Copper Tube (A)-Low Side A3953G01 1
35 Copper Tube (B)-Low Side A3960G01 1
36 Copper Tube (C)-Low Side A3961G01 1
37 Copper Tube (A)-High Side 3A4153G01 1
38 Copper Tube (C)-High Side 3A4157G01 1
39 Copper Tube (D)-High Side 4A4131-01 1
40 Copper Tube (E)-High Side A3959-01 1
41 Copper Tube (F)-High Side A3966G01 1
4 Copper Tube-Access Valve 3A4155G01 
43 Barrier GS 434937-01 1
43a T Screw 4×8 7P31-0408 4
44 Insulation 436671-01 1
45 Insulation Holder SS 4A416-01 1
45a T Screw 4×8, SS 7P3-0408 
46 Insulated Rubber Tube 3A4151G01 1
47 Insulation Tubing L=30 776-100 3
48 Cable Tie CV-00 8911-000 15

15
B. Refrigeration Circuit
1/2
KM-901MWH
T-0
18 19
9a
9
7
30a
30
8 8a
1
7
47
846
910 11 46
0 44 46
41
43
4 4a

16
B. Refrigeration Circuit
2/2
KM-901MWH
T-0
4
37
17
15 16a 16
38
1
6
45
39a
39
3
1 13
14
34
3
31
33 40

6 6a
4 5 5a 5b
a
1c
1b
7
1a
33a
5b
55a
36 46 44
44
35 46

17
Title: B. Refrigeration Circuit Model: KM-901MWH
Index
No. Description
Material or
Model Number Part Number
Required Number
T-0
1 Compressor CS1K6E-PFV-37 4A4134-01 1
1a Spacer 43491-01 4
1b Grommet 4349-01 4
1c Bolt 8×45 437889-01 4
 Condenser-Water-Cooled HS-016 A359G03 1
a Hex Head Bolt w/Washer 5×1 7B013051 
3 Water Regulator 4A0911-07 1
3a Truss Head Screw 4×6 7C31-0406 
4 Male Connector 4A1087-01 1
5 Evaporator 106396G0 1
5a T Screw 4×16, SS 7P3-0416 4
5b T Screw 4×1, SS 7P3-041 
6 Heat Exchanger 1A15G01 1
7 Expansion Valve 4A4008-01 
8 Expansion Valve Cover 3A0944-01 
9 Holder Expansion Valve 3A0107-01 
10 Clamp 443461-0 
11 Insulation Tube L=170 776-3555 
1 Drier 4A666-01 1
13 Nylon Tie PLWP3H-TL 8911-0301 1
14 Strainer 441569-0 1
15 Pressure Switch 433441-05 1
16 Pressure Switch Bracket GS 434938-01 1
16a T Screw 4×8 7P31-0408 1
17 Elbow 417395-03 
18 Thermistor L=1050 49006-03 1
19 Thermistor Holder 47430-01 1
0 Access Valve 45779-01 
1 Copper Tube-Access Valve 3A4155G01 
 Check Valve Assembly 3A718G0 1
3 Check Valve 4A1373-01 
4 Valve Body-Hot Gas 4A3978-01 1
5 Coil-Valve 4A377-01 1
5a Bolt 4A377F01 1
5b Truss Head Screw 4×8 7C31-0408 
6 Hot Gas Valve Bracket 434916-01 1
6a T Screw 4×8 7P31-0408 
7 Clamp 4A338-01 
8 Top Frame (A) GS 35938-01 1
8a T Screw 4×8, SS 7P3-0408 
9 Side Frame GS A1379G01 1
9a T Screw 4×8 7P31-0408 6
30 Rear Panel GS A1360G01 1
30a T Screw 4×8 7P31-0408 5
31 Copper Tube (A)-Low Side A3953G01 1
3 Copper Tube (B)-Low Side A3960G01 1
33 Copper Tube (C)-Low Side A3961G01 1
34 Copper Tube (A)-High Side 3A4153G01 1
35 Copper Tube (B)-High Side 3A4174G01 1

18
Title: B. Refrigeration Circuit Model: KM-901MWH
Index
No. Description
Material or
Model Number Part Number
Required Number
T-0
36 Copper Tube (C)-High Side 3A179G01 1
37 Copper Tube (E)-High Side A3959-01 1
38 Copper Tube (F)-High Side A3966G01 1
39 Copper Tube (A) 3A180G01 1
39a Truss Head Screw 4×8 7C31-0408 
40 Copper Tube (B) 3A181G01 1
41 Insulation 436671-01 1
4 Insulation Holder SS 4A416-01 1
4a T Screw 4×8, SS 7P3-0408 
43 Insulated Rubber Tube 3A4151G01 1
44 Insulation Tube L=30 776-100 4
45 Insulation Tube L=750 776-166 1
46 Cable Tie CV-00 8911-000 16
47 Connection Tee Cover 4A1379-01 1

19
B. Refrigeration Circuit
1/2
KM-901MRH, KM-901MRH3
T-0
49
48
17 18
3 4 5

1 8 8a
9 9a
30 30a
43
4a
4
41
47
48
19 0 46 49

0
B. Refrigeration Circuit
2/2
KM-901MRH, KM-901MRH3
T-0
44
45
36
37
16
35 46 49
38
6
39
11 11a
1
13
15a
15
14
34
3
31
33
40
a
7
45
3a
3
11c1b1a
3b
810 10a 10b
9 10 10a 10b
6 6a
7 7a