Scotsman MDT4F12 Parts Manual
MDT3 and MDT4 Service Parts
This parts lists contains part numbers for the
service parts available for the MDT3 and MDT4.
They have been manufactured in both 60 Hz and
50 Hz models.
The 60 Hz models are:
MDT3F12-1A or MDT3F12A-1H
·
MDT4F12-1A or MDT4F12A-1H
·
The 50 Hz models are:
MDT3F12-6A or MDT3F12A-6H
·
MDT4F12-6A or MDT4F12A-6H
·
Always check the model number of the ice
machine being serviced to be certain that the
parts ordered will be correct.
Table of Contents
Cabinet ·········································································································································· Page 2
Condensing Components ············································································································· Page 3
The service parts for the evaporator changed in
April of 2010.
A contactor was added in early 2011, the first
unit with one was MDT4F12A-1H serial number
11011320013662.
Evaporator, Auger, Bearings & Water Seal ················································································· Page 4
Water And Drain System ·············································································································· Page 5
Bin Cover, Dispenser Motor, Electric Eyes ·················································································· Page 6
Prior Gear Reducer and Motor - A31977 type ············································································· Page 7
Gear Reducer 02-4399-21 or 02-4399-24 or 02-4398-21 ···························································· Page 8
Control Box ··································································································································· Page 9
MDT4 60 Hz Wiring Diagram (w/out contactor) ··········································································· Page 10
MDT3 Wiring Diagram (w/out contactor) ······················································································ Page 11
Schematic Diagram (all w/out contactor) ····················································································· Page 12
MDT4 50 Hz Wiring Diagram (w/out contactor) ··········································································· Page 13
MDT3 or MDT4 Wiring Diagram with Contactor (change in early 2011) ····································· Page 14
MDT3 or MDT4 Schematic Diagram with Contactor ···································································· Page 15
January 2011
Page 1
MDT3 and MDT4 Service Parts
Cabinet
3
27
25
31
23
15
Item Part
Number Number Description
1 A37767-001 Cabinet top, S.S.
2 A37783-001 Right side panel, SS
3 03-1638-03 Screw
4 03-1419-17 Screw
5 15-0809-01 Emblem, Scotsman
6 15-0803-01 Emblem, Touch-Free
7 12-1377-00 Switch
8 03-1403-15 Screw
9 03-1406-04 Nut
10 02-3944-01 Spout
11 03-1407-03 Washer
12 03-1403-19 Screw
13 02-3302-02 Grill
14 03-1418-30 Machine screw
15 13-0674-07 Tube, order 3 units.
16 02-3402-32 Sink - grey
17 A35875-015 Bracket
18 02-2814-10 Hose clamp
19 12-2551-20 Touch free sensor
20 17-2830-01 Decal
9
11
18
Item Part
Number Number Description
August 2008
Page 2
28
19
3
14
1
4
26
20
13
16
17
3
32
10
11
12
8
2
3
24
5
21
6
7
30
29
22
21 12-2391-01 Lock, Gov’t units only
22 12-2501-01 Touch Free disable switch
23 03-3804-01 Screw receptacle
24 A37766-021 Front panel, incl # 5,6,32
A37766-002 Front panel, Gov’t units
25 A37784-001 Left side panel, SS
26 02-3878-31 Splash panel - grey
27 A37875-001 Back panel
28 A37873-001 Support bracket
29 02-3944-01 Clear spout, replaced item
10 in May 2002
30 A36547-001 Mounting plate for spout
31 13-0566-01 Bottom gasket - complete
32 17-2831-01 Water decal
MDT3 and MDT4 Service Parts
Condensing Components
MDT4F12
Item Part
Number Number Description
1 18-8741-21 60 Hz compressor
18-8741-26 50 Hz compressor
2 18-8741-27 Overload for 60 Hz
18-8741-22 Overload for 50 Hz
18-8741-28 60 Hz relay
18-8741-23 50 hz relay
3 18-8741-29 Start capacitor for 60 Hz
18-8741-24 Start capacitor for 50 Hz
4 18-8849-01 60 Hz fan motor
18-7200-03 50 Hz fan motor
5 18-8858-01 Fan blade for 60 Hz
18-8743-01 Fan blade for 50 hz
6 A37839-001 Fan shroud for 60 Hz
A36094-001 Fan shroud for 50 Hz
7 03-1405-40 Screw
7a 03-1407-02 Washer
7b 18-4700-28 Grommet
8 18-0108-41 Sleeve
9 16-0832-21 Access valve
9a 16-0832-03 Core cap
9b 16-0832-02 Stem cap
10 18-0422-00 Fan motor bracket
11 18-8846-01 Condenser
12 02-3319-01 Drier
7a
7b
8
MDT3F12
Item Part
Number Number Description
1 18-8853-21 60 Hz compressor
18-8853-26 50 Hz compressor
2 18-8853-27 Overload for 60 Hz
18-8853-22 Overload for 50 Hz
18-8853-28 60 Hz relay
18-8853-23 50 hz relay
3 not used
4 12-1681-23 60 Hz fan motor
12-1681-04 50 Hz fan motor
5 18-8851-01 Fan blade
6 A37813-001 Fan shroud
9a
9
9b
9a1
9a2
9a3
7
1
2
Access Valve Change - November 2007
9a1 16-1140-01 Cap
9a2 16-1139-01 Core
9a3 16-1138-01 Seat for 1/4" tube
11
3
12
4
5
10
6
November 2007
Page 3
MDT3 and MDT4 Service Parts
Evaporator, Auger, Bearings & Water Seal
ITEM PART
NUMBER NUMBER DESCRIPTION
1 02-4404-02 Threaded cap - grey
2 03-0758-00 Screw
3 02-4535-01 Top bearing, w/thrust washer - for updated units*
4 02-4575-21 Breaker kit, includes items 1, 3, 4a, 4b, 7 & 7a*
4a 13-0617-16 O-Ring (inside)
4b 13-0617-37 O-Ring, outside of breaker
5 02-4600-20 Auger - for updated units*
6 A36081-020 Evaporator
7 03-1417-07 Washer
7a 03-1403-46 Screw
8 02-4599-21 Water Seal
9 02-0417-21 Lower Bearing
10 03-1505-00 Gasket
11 08-0595-01 Adapter
12 03-1405-38 Cap Screw (3)
13 03-1420-01 Cap screw
14 03-1410-04 Washer (3)
15 A29915-002 Spline Coupling
16 02-4578-02 Auger and bearing kit
Includes items 1, 2, 4, 4a, 4b, 5, 7, 7a, 8, and 9
17 19-0662-02 Top bearing grease, 13 oz tube
Note: Use about 1 oz per bearing. Lightly coat
bearing surfaces, throughly grease thrust portion
of bearing (horizontal needles).
* Updated units use listed auger and top
breaker and bearing.
Update availability began Feb. 2010. Updated
units and later production units have grey cap to
indicate use of this type of top bearing and auger.
Non-updated units or units with white or brass cap
require auger kit item 16 when replacing top
bearing or auger.
Production with listed bearing and auger began in April 2010 and have a grey
cap. Prior top bearing and auger are no longer available.
7, 7a
6
8
9
10
12
1
2
3
4, 4a, 4b
5
15
11
14
13
April 2010
Page 4
MDT3 and MDT4 Service Parts
Water And Drain System
Item Part
Number Number Description
1 A37893-001 Vane Assembly
2 A38272-001 Bin Bottom Assy
3 02-3033-01 Hub Assembly
4 03-1409-22 Fiber Washer
5 A36118-020 Storage Bin
6 13-0895-01 Inlet water line
requires 26"
7 03-1394-00 Pal Nut
21a
8 12-1434-04 Water valve
(60 Hz)
12-1434-05 Water valve
(50 Hz)
9 16-0869-01 Barbed adapter
10 02-4200-01 Preformed tube
11 A33101-022 Water sensor
12 02-3402-32 Sink
13 02-3302-02 Grill for sink
14 13-0674-07 Tube, requires 12"
15 02-2814-10 Clamps
16 13-0674-09 Tube, overflow to
drain, requires 12"
16a Bin drain, 11”
16b Drain, 9”
17 02-2814-08 Clamp
18 02-2814-07 Clamp
19 02-3371-01 Reservoir Assy
20 A36402-001 Reservoir Bracket
21 02-3371-02 Float and arm
21a 02-3266-03 Plunger/seat
22 03-1409-22 Washer
23 03-1645-01 Hex Cap Screw
24 13-0674-06 Tube (to evap.)
25 A21433-000 Inlet fitting
26 16-0870-01 NPT to compr. fitting
27 16-0871-01 Brass insert
28 16-0670-01 Tee
21
16b
20
24
14
18
17
16
28
19
15
1
2
11
23
4
22
7
5
6
27
26
25
8
9
10
3
15
16a
September 2011
Page 5
12
13
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