Page 1

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13
39
23
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25
33
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1
36
5
6
20
9
7
24
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4
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2
11
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15
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1 6 7 8 2 3 4 5
3
34
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SOME ITEMS ARE INCLUDED FOR ILLUSTRATIVE
PURPOSES ONLY AND IN CERTAIN
INSTANCES MAY NOT BE AVAILABLE.
THIS DRAWING CONTAINS INFORMATION CONFIDENTIAL
TO STAR MANUFACTURING INTERNATIONAL, INC.
NO REPRODUCTION OR DISCLOSURE OF ITS CONTENTS IS PERMITTED.
MODEL UM1854
CONTROL BOX ASSEMBLY
SK1905 REV.B 2-7-06
Page 2

PARTS LIST August 25, 2011, Rev. M
Ultra-Max Gas Conveyor Oven
UM1854-NAT/LP CONTROL BOX
Fig No Part No Qty Description Application
1 G9-GC0013 1 CONTROL BOX DOOR
2 PS-Z7718 1 TIME & TEMP CONTROLLER GAS OVEN 120V
3 G9-Z5250 1 POWER SUPPLY BRACKET
4 G9-Z5251 1 GEARMOTOR BRACKET
5 G9-Z5249 1 CONTROL BOX LID
6 2T-Z5175 1 THERMOSTAT, COOL DOWN, 120°F
7 2T-Z5176 1 THERMOSTAT, HI-LIMIT, 140°F
8 2T-Z5177 1 HIGH TEMPERATURE LIMIT
9 2E-Z5206 1 10AMP CIRCUIT BREAKER
10 2E-Z5683 1 VACUUM SWITCH
11 2E-Z1858 1 LIGHTED SWITCH
2E-Z5663 2 POWER RESISTOR BRACKETS
12
2E-Z6607 1 POWER RESISTOR - 5 OHM
13 2J-Z5189 1 THERMOCOUPLE/TEMP PROBE
14 G9-Z6611 1 POWER SUPPLY - 24VDC (115V INPUT) MANUFACTURED BEFORE OCT. 2010
15 2E-Z5162 1 TRANSFORMER
16 PS-Z11800 1 KIT, IGNITION CONTROLLER
16 PS-Z11801 1 KIT, IGNITION CONTROLLER (CE & UK Versions)
17 G9-Z5661 1 ELECTRODE SET
2U-Z10407
2U-Z5171 GEARMOTOR 500:1 24V DC, mfg before Oct 2010 UM1854-LP, UM1854-NAT
18
2U-Z13292 GEARMOTOR 240:1 120VAC, mfg after Sept 2010 UM1854-LP, UM1854-NAT
2U-Z13498 GEARMOTOR 40:1 120V UM1854Q-LP, UM1854Q-NAT
19 2A-Z6534 1 COUPLING
2F-Z5173
2F-Z5660 BURNER - PROPANE
G9-Z5670 #33 ORIFICE (HI NATURAL)
G9-Z5671 #56 ORIFICE (LO NATURAL)
G9-Z5672 #50 ORIFICE (HI LP)
20
G9-Z5673 #66 ORIFICE (LO LP)
2A-Y1255
2J-Z13829 #68 ORIFICE (LO LP) HIGH ALTITUDE
21 2K-2667 1 PIPE ELBOW
22 2K-Z3381 1 PIPE NIPPLE
23 2K-Z5105 1 COMPRESSION ELBOW
24 2K-Z5106 1 COMPRESSION ELBOW
2V-Z5103 1 GAS COMBINATION VALVE - NATURAL - 24VAC
25
2V-Z5659 KIT PROPANE REGULATOR KIT
26 2V-Z5104 1 GAS SOLENOID VALVE - 24VAC
27 G9-GC0001 1 BULKHEAD FITTING
28 2V-Z5194 2 STAINLESS FLEX TUBE
29 2C-Z5195 1 CONDUIT HANGER
30 2E-Z5187 1 WIRING KIT (COMPLETE)
31 2K-Z1971 4 SPACER (.188)
32 2C-Z5427 4 SPACER (.120)
33 2C-Z0216 2 SCREW M4 (METRIC)
34 2E-Z4597 2 TERMINAL BLOCK
35 2C-Y2344 1 GROUND TERMINAL
36 2K-Y2968 1 BUSHING, CORD STRAIN RELIEF
37 2E-Z5172 1 CORD SET
38 2E-Z5181 1 CAPACITOR - FAN MOTOR
39 2V-Z5194 2 SS FLEX 3/8 X 1/2
NI 2E-Z5187 1 WIRING HARNESS, GEARMOTOR
NI 2M-Z5568 1
NI 2W-Z5668 1 CANDLE, WHITE SMOKE, CONVY. OVEN START UP
GEARMOTOR 40:1 UM1854Q-NATX, UM1854Q-LPX
1
BURNER - NATURAL
1
HIGH ALTITUDE LP
#52 ORIFICE (HI LP) HIGH ALTITUDE
1
GRAPHIC, FRONT UM1854
(INCLUDED IN BURNER)
(INCLUDED IN PROPANE BURNER)
Page 3

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40
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36
16
18
ON
OFF
To Start:
Push power switch "ON".
If burner does not lght in one minute push the power
switch to the"OFF" position and wait five minutes.
After five minutes, retry.
Adjusting TIME and TEMPERATURE:
1) Press the up and down buttons (
hold for four seconds until TEMPERATURE display goes blank.
2) Press the enter button ( ) to switch between TIME
and TEMPERATURE.
3) Press the up button (
decrease TIME or TEMPERATURE. Hold button down for
faster display changes.
4) After five seconds, the new numbers will be saved and the oven
will display new settings.
Ý
) to increase or the down button (ß) to
A Star Manufacturing Company
39
Ý ß
) at the same time,
11
14
13
8
7
2
4
29
9
1
SOME ITEMS ARE INCLUDED FOR ILLUSTRATIVE
PURPOSES ONLY AND IN CERTAIN
INSTANCES MAY NOT BE AVAILABLE.
THIS DRAWING CONTAINS INFORMATION CONFIDENTIAL
TO STAR MANUFACTURING INTERNATIONAL, INC.
NO REPRODUCTION OR DISCLOSURE OF ITS CONTENTS IS PERMITTED.
MODEL UM1854
MAIN ASSEMBLY
41
28
27
10
15
SK1906 Rev. E 8-25-11
Page 4

PARTS LIST August 25, 2011, Rev. M
Ultra-Max Gas Conveyor Oven
UM1854-NAT/LP MAIN ASSEMBLY
Fig No Part No Qty Description Application
1 2C-Z3780 4 CONDUIT RETAINER
2 2R-Z5188 2 LATCH KEEPER
3 2R-Z5174 2 LATCH
4 G9-Z5309 2 DOOR BRACE
5 2P-09-WB-0003 4 PLUG CAP
6 2V-Z5293 1 HANDLE TUBE
7 2R-Z5279 1 HANDLE SUPPORT (PAIR)
8 2P-Z5303 2 HANDLE INSERT PLUG
9 G9-GC0024 1 CONVEYOR WELDMENT
2A-Z6538
10
2A-Z6539 Serial Numbers before: COG450107B0011
11 2A-Z5586 1 IDLER SHAFT ASSEMBLY W/ SPROCKETS
13 2B-Z5169 1 BELT - 10’ SECTION
14 2B-Z5170 4 BELT SPLICE CLIP
15 2P-Z5168 4 BEARING
16 G9-GC0040 1 FAN INLET PLATE
17 G9-Z5338 1 FAN INLET BELL
18 2A-Z5551 4 FAN INLET SPACER
19 G9-Z5549 2 REAR BUMPER
20 G9-GC0041 1 REAR COVER
21 PS-Z8749 1 BLOWER MOTOR HEAT SHIELD KIT (115V)
22 2B-Z5607 1 REAR FAN GUARD
23 2C-Z5380 1 RESTRAINT EYEBOLT
24 2C-Z3350 2 HALF CLAMP
25 2C-Z5427 4 SPACER
26 2K-H5417 1 BUSHING
27 G9-Z5281 1 PAN STOP
G9-Z11231
28
G9-Z5282 before serial no. COG541007B0011
G9-Z11232
29
G9-Z5283 before serial no. COG541007B0011
30 G9-Z5219 2 TUNNEL SHROUD
31 2V-Z5573 1 DRAFT TUBE
32 G9-Z5574 1 DRAFT TUBE HOSE
33 2V-Z5575 1 HIGH LIMIT TUBE
34 G9-Z5618 1 DRAFT TUBE CLAMP
35 G9-GC0045 1 FLAME BAFFLE
36 2C-Z5182 4 THUMB SCREW
37 2C-Z5179 1 PLUNGER SETSCREW
38 2P-Z1735 1 PLUG CAP
39 2M-Z5569 1 INSTRUCTION LABEL
1
IMPORTANT: WHEN ORDERING, SPECIFY VOLTAGE OR TYPE GAS DESIRED PAGE
1
INCLUDE MODEL AND SERIAL NUMBER OF
Some items are included for illustrative purposes only and in certain instances may not be available.
40 2C-6349 4 SCREW #8X3/8 B THP STL NP
41 G9-GC0029 1 DOOR ASSEMBLY, FRONT
1 DRIVE SHAFT ASSEMBLY W/ SPROCKETS
1 CRUMB TRAY, NARROW
1 CRUMB TRAY, WIDE
Serial Number COG450107B0011 or after
on or after serial no. COG541007B0011
on or after serial no. COG541007B0011
®
Page 5

8
7
6
5
4
3
SOME ITEMS ARE INCLUDED FOR ILLUSTRATIVE
PURPOSES ONLY AND IN CERTAIN
INSTANCES MAY NOT BE AVAILABLE.
THIS DRAWING CONTAINS INFORMATION CONFIDENTIAL
TO STAR MANUFACTURING INTERNATIONAL, INC.
NO REPRODUCTION OR DISCLOSURE OF ITS CONTENTS IS PERMITTED.
MODEL UM1854
FINGER ASSEMBLY
2
1
SK1908 Rev. A 3/5/07
Page 6

PARTS LIST August 25, 2011, Rev. M
Ultra-Max Gas Conveyor Oven
UM1854-NAT/LP FINGER ASSEMBLY
Fig No Part No Qty Description Application
1 G9-Z5516 1 LOWER FINGER BAFFLE
2 G9-GC0037 1 LOWER FINGER DIVERTER ASSEMBLY
3 G9-GC0035 1 LOWER FINGER WELDMENT
4 G9-GC0043 1 LOWER COLUMNATING PLATE
5 G9-Z5432 1 LOWER-FULL NOZZLE, PLATE
6 G9-Z5433 1 UPPER-FULL NOZZLE, PLATE
7 G9-GC0055 1 UPPER COLUMNATING PLATE ASSY
8 G9-GC0044 1 FINGER, UPPER - ASSY
1
IMPORTANT: WHEN ORDERING, SPECIFY VOLTAGE OR TYPE GAS DESIRED PAGE
1
INCLUDE MODEL AND SERIAL NUMBER OF
Some items are included for illustrative purposes only and in certain instances may not be available.
®