Hoshizaki KM-901MAJ, KM-901MWJ Parts Manual
Parts List
Modular Crescent Cuber
Models
KM-901MAJ
KM-901MWJ
KM-901MRJ/3
hoshizakiamerica.com
Number: 71391
Issued: 10-23-2017
Revised: 3-7-2019
CONTENTS
Auxiliary Codes ...................................................................................................................... 3
Note About Ordering Parts .................................................................................................... 3
A. Main Assembly & Refrigeration Circuit .............................................................................. 4
KM-901MAJ ...................................................................................................................... 4
KM-901MWJ ...................................................................................................................... 6
KM-901MRJ/3 .................................................................................................................... 8
B. Water Circuit .................................................................................................................... 10
C. Control Box Assembly ..................................................................................................... 13
D. Accessories & Labels ...................................................................................................... 14
2
Auxiliary Codes
KM-901MAJ
G-0 May 2017
G-1 October 2017
H-0 January 2018
H-1 March 2018
H-2 September 2018
J-0 January 2019
KM-901MWJ
G-0 May 2017
G-1 October 2017
H-0 January 2018
H-1 April 2018
H-2 October 2018
J-0 January 2019
KM-901MRJ
G-0 May 2017
G-1 October 2017
H-0 January 2018
H-1 March 2018
H-2 September 2018
J-0 January 2019
KM-901MRJ3
G-0 July 2017
G-1 November 2017
H-0 January 2018
H-1 September 2018
Auxiliary Code Breakdown
The auxiliary code is the rst two characters in the serial number. The rst character
indicates the year. Years progress or regress in alphabetical order. The series runs from
"A" through "V" and the letters "I" and "O" are skipped. The second character indicates
signicant part changes within a year. Base is "0" and this number advances for each
change. In cases where there is a letter in parentheses, this designates the month. This is
the last character in the serial number. The series runs from "(A)" through "(M)" and the
letter "(I)" is skipped. This designation is only included when identifying a parts change
within an auxiliary code.
Note About Ordering Parts
Most assemblies cannot be ordered as complete units; parts in the assemblies generally
must be ordered separately.
3
A. Main Assembly & Refrigeration Circuit
KM-901MAJ
G-0 to J-0
3
6
5
1
7
23
21 22
24
31 32
2
11
19
25 27
17
11a
14
28
26 27
13
29
30
36
8
33
35
34
20
33
35
18
34
4
9a
9
10
15
12
16
4
Title: A. Main Assembly & Refrigeration Circuit Model: KM-901MAJ
G-0
Index
No. Description
1 Front Panel 1A3621-01 1
2 Gasket L=762 mm 4A0808L02 1
3 Top Panel 3A1941A01 1
4 Right Side Panel 1A3617G01 1
5 Front Insulation 3A8392G01 1
6 Top Insulation 322714G01 1
7 Control Box Cover 3A9007-01 1
8 Junction Box Cover 433410-01 1
9 Louver 1A0547-01 2
9a Push Retainer 4A2414-01 6
10 Air Filter 2A2062G01 2
11 Thermostatic Bulb Holder 322815G02 1
11a Thumbscrew 415949G10 2
12 Thermostatic Bulb Holder 3A3903-01 1
13 Thermostatic Capillary Tube
Bushing
14 Silicone Hose L=285 mm 7730I3812 1
15 Main Transformer 4A5695-01 1
16 Voltage Tap Switch 4A1477-01 1
Material or
Model Number Part Number
Main Assembly
425307-02 1
to
J-0
Required Number
Refrigeration Circuit
17 Compressor 3A6900-01 1
18 Condenser 1A4459-01 1
19 Evaporator 1A3820G01 1
20 Heat Exchanger 1A4600G01 1
21 Thermostatic Expansion Valve 4A4008-01 2
22 Thermostatic Expansion Valve
Cover
23 Thermostatic Expansion Valve
Bulb Holder
24 Clamp 443461-02 2
25 Hot Gas Valve Body 4A3978-01 1
26 Liquid Line Valve Body 4A3276-01
27 Valve Coil 4A3277-01 2
28 Check Valve 4A1373-01 2
29 Strainer 441569-02 1
30 High-Pressure Switch 463180-04 1
31 Thermistor 429006-03 1
32 Thermistor Holder 427430-01 1
33 Fan Motor 4A3158-01 2
34 Fan Motor Capacitor 5MFD,
250VAC
35 Fan Blade 4A3959-01 2
36 Drier 4A1113-01 1
3A0944-01 2
3A0107-01 2
4A6435-02 2
1
5
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