Pitco RP-14 Guide

There'sAlwaysSomethingCooking!
SERVICESECTION
Service, Parts, and Schematics
For Reversible Pump Filter Systems
Covering Models
RP-14 & RP-18
Pitco Frialator, Inc., P.O. Box 501, Concord, NH 03302-0501 • 509 Route 3A, Bow, NH 03304
[phone] • [phone] • FAX [phone]

R

MTS # PF28-04 Pitco Frialator #L20-091-02 Original Rev. Date 12/27/93

i
Table of Contents (Service) ............................................................................................................. i
List of Tables and Figures ............................................................................................................... ii
Chapter 4: Service ....................................................................................................................4-1
4.1 REPLACEMENT PROCEDURES.......................................................................... 4-1
4.1.1 Pump/MotorRemoval .......................................................................................... 4-1
4.2 TROUBLESHOOTING FILTER SYSTEMS .........................................................4-2
Chapter 5: Parts .................................................................................................................5-1
ALPHABETICAL PART LIST ...............................................................................5-5
NUMERICAL PART LIST ...................................................................................... 5-7
Chapter 6: Schematics..............................................................................................................6-1
Table of Contents
Section Title Page

ii
List of Tables and Figures
Figure Title Page
5-1 ReviersiblePumpFilterSystem ................................................................................. 5-4
Table No. Title Page
5-1 ReversiblePumpFilter System .................................................................................. 5-1

4-1
Chapter 4: Service
Thischapter providesthequalified technicianwith thereplacement andtroubleshootingprocedures
necessary to service the Pitco filter system.
4.1 REPLACEMENT PROCEDURES
These procedures are provided to the qualified technician as a guide to removal and replacement of
variousfiltersystemcomponents. Ifatestisrequiredtoverifycomponentoperationafterinstallation,
it will be referenced.
4.1.1 Pump/Motor Removal
1. Remove the screws to the motor cover. (10 total)
2. Remove the cover from the unit.
3. Loosen both unions on each side of the pump head.
4. Remove the hex nuts and washers from the motor base (4 total).
5. Cut and remove the white electrical tape that holds the heat tape to the pump head. (Heater
Option Only)
6. Remove the orange heat tape wrapped around the pump head. (Heater Option Only)
7. Remove the motor electrical door at the rear of the motor.
8. Remove all wirenuts leading to the motor.
9. Remove valve handle by removing the nut on the valve.
10. The pump/motor can be removed by raising the pump/motor straight up over the studs and
twisting out.
11. Replace by reversing above procedures.

4-2
4.2 TROUBLESHOOTING FILTER SYSTEMS
A
If the filter has had power removed for more
than 2 hours, it may take the heater 10-12
minutes to turn the Ready light on after power is
restored. If the light does not come on call
authorized service and parts distributor.
NO YES
YES
Does the
Ready light come
on? (Heater
Option Only)
NO
Reverse flow to clear
nozzle.
YES
Is the filter nozzle
screen clogged?
YESNO
NO
Connect hose.
Is filter
hose completely
connected?
YES
Oil pumping
slowly from fryer
to filter?
NO
Allow the motor to
cool, reset the
thermal overload on
the motor.
YES
Is filter
motor overload
tripped
YES
Is the
filter plugged
in?
NO
YES
Connect pickup tube.
Is filter
pickup attached
correctly?
NO
Filter unit is not
working properly.
YES
Is oil
flowing from filter
to fryer?
Plug in the
filter.
NO
Turn the filter power switch
off. Correct the cause for
tripping and reset the circuit
breaker.
NO
YES
Is the filter
circuit breaker
tripped?
NO
YES
Is the
pump
running?
Check the
building
circuit
breaker
NO
YES
Open Valve.
Is valve
handle in the fully
open position?
Is the
filter plugged
in?
Plug in the
filter.
NO
Call authorized
service and parts
distributor.
Clean the screen or
replace filter media.
YES
Is filter paper,
or pickup screens
clogged?
NO

4-3
NO
NO
Does the filter
motor trip the
overload?
Open valve, then
turn on the pump.
YES
NO
YES Is valve open?
Does the filter
circuit breaker keep
tripping?
A
If filter unit is still not
working correctly call
authorized service and
parts distributor.
Scrape the filter layer down to the metal
scraping screen. Once the pan is empty,
tighten the pick up tube nut against the
sediment screen. Inspect the filter paper for
tears and change if torn.
YES
Does the
filter leave
excessive oil in
the filter pan?
NO
Solid shortenin
g
could be blockin
g
the
pump discharge lines. Wait until the
Ready light is on before turning the
pump switch ON. Ensure that the
filter hose is free of solid shortening
and debris.
(Heater Option Only)
Open valve, then
turn on the pump.
YES
NO
YES
Is valve open?
Solid shortenin
g
could be blockin
g
the
pump discharge lines. Wait until the
Ready light is on before turning the
pump switch ON. Ensure that the
filter hose is free of solid shortening
and debris.
(Heater Option Only)

4-4

5-1
Chapter 5: Parts
Thischaptercontainslistingsofthecomponentsusedinthedifferentmodelsoffiltersystems. These
components are listed in two places, with the illustration and in ordered listings. The illustrations
in this chapter are provided to show relative location of components located in the fryer. The filter
systemyouhavemaynotbeillustratedinthischapter,butthepartlocationsshouldbethesame. With
each illustration there is a table of components in numerical order by illustration number. The
illustration has numbered lines pointing to components which are listed in the table.
At the end of this chapter there are alphabetical and numerical listings of all parts used in the filter
systems. Thealphabeticalpartlistisarrangedinalphabeticalorderaccordingtothepartname. Each
partnamealsohasthePitcoFrialatorpartnumber. ThenumericallistisinPitcoFrialatorpartnumber
order. A brief description of each component is provided for each part.

5-2
Table 5-1 Reversible Pump Filter System
Item Pitco Frialator Quantity
Number Part Number Description Per Unit
1 B7402601 Filter Carriage Frame #14 1
B7402701 Filter Carriage Frame #18 1
1A P5045160 Cap, Plastic 1
1B P6071062 Caster, PMF 2 (W/Top Plate) 2
2 B6602405 Filter, Hose Hi-Pressure 60" 1
3 B6624701 Filter, Nozzle Weldment RP14,RP18 1
4 P6071190 Handle, Nozzle Rack 1
5 P0095200 Nut, Hex (Jam) 3/8-16 1
6 B6604501 Filter, Connector Quick 1
7 B6624801 Filter, Screen Inlet 1
8 PP10820 Ring, Retaining-Internal 1
9 B6627101 Filter, Plate Motor Weldment RP14 1
10 B6625501 Filter, Motor PC Assy, 115 VAC RP14, RP18 1
10A PP10101 Pump/Motor, 1/3 HP, 115/230VAC, 50/60Hz 1
10B P6071757 Valve, Ball 1/2", 3-Way 1
* 10C A6688402 Filter, Bracket, T-Stat, RP14,RP18 1
10D A6689002 Filter, Bracket Switch, Micro RP14,RP18 1
* 11 PP10039 Heater, Tape 165W, 110 VAC, 1/2" x 79" 1
12 B6625801 Filter, Cover Motor Weldment, RP14,RP18 1
13 A6688102 Filter, Panel Front RP14,RP18 1
14 A6688202 Filter, Panel Rear RP14,RP18 1
15 B6627001 Filter, Handle Weldment, RP14,RP18 1
16 P7037752-1 Elbow, Street 3/8" 90° Plated 2
17 P6071123 Connector, Filter 3/8" Male 1
18 PP10113 Connector, Coupler-Valved 3/8" 2
19 P6071253 Filter, Handle, Snap Tite White 1
20 P0062100 Set Screw, 1/4-20 x 3/8" 2
21 P6071490 Plug, Hole 7/8" 1
22 PP10146 Connector, Strain Relief 1
23 PP10686 Screw, 6-32 x 1/4" 2
24 P0091100 Nut, Hex 6-32 4
25 A6657202 Filter, Bracket Electric Cord 1
26 PP10752 Screw, 10-32 x 1/2" 14
27 P0020600 Screw, 1/4-20 x 5/8" 4
28 PP10668 Nut Acorn 1/4-20 4
29 P0080650 Washer, Flat 1/4" 4
30 P0093300 Nut, Hex, 1/4-20 4
31 Call Factory Tubing, Teflon 5/8 ID x 11/16 OD Order By
Length
Revised 12/27/93

5-3
Table 5-1 Reversible Pump Filter System (Continued)
32 B6624901 Filter, Pan Weldment RP14 1
B6624902 Filter, Pan Weldment RP18 1
33 B6620002 Filter, Rack Weldment RP14,RP18 1
34 B6617002 Filter, Screen Clip RP14,RP18 1
35 A6681802 Filter, Coupling Top 1
36 B6615301 Filter, Screen Inlet 1
37 PP10409 O-Ring, Viton .688 ID x .875 OD 1
38 PP10629 Ring, Retaining-Internal .875" 1
39 B6625601 Filter, Tubing Suction Weldment RP14 1
B6625602 Filter, Tubing Suction Weldment RP18 1
40 P7037796 Coupling, Black 3/8" NPT x 1/2" Tube 1
41 P6071254 Filter, Handle Snap Tite Black 1
42 P0006300 Screw, 6-32 x 1" 2
43 PP10821 Switch, Toggle 3PDT 1
* 44 PP10331 Lamp, 125 VAC, Green, Rect. 1
PP10736 Lamp, 250 VAC, Green, Rect. 1
45 P5047171 Switch, Limit-SPST 1
46 PP10460 Switch, Rocker Ckt Bkr SPST, 8A 250VAC 1
PP10470 Switch, Rocker Ckt Bkr SPST, 4A 250VAC 1
47 PP10139 Cord, Plug, 14-3, 10' 1
* 48 PP10739 Tstat, Snap Disk 135°F Open, 105°F Close 1
* HEATER OPTION ONLY
Item Pitco Frialator Quantity
Number Part Number Description Per Unit
Revised 12/27/93

5-4
Figure 5-1 Reversible Pump Filter System

5-5
ALPHABETICAL PART LIST
Pitco Frialator
Part Description Part No.
CAP, PLASTIC P5045160
CASTER, PMF 2 (W/TOP PLATE) P6071062
CONNECTOR, COUPLER-VALVED 3/8" PP10113
CONNECTOR, FILTER 3/8" MALE P6071123
CONNECTOR, STRAIN RELIEF PP10146
CORD, PLUG, 14-3, 10' PP10139
COUPLING, BLACK 3/8" NPT X 1/2" TUBE P7037796
ELBOW, STREET 3/8" 90° PLATED P7037752-1
FILTER CARRIAGE FRAME #14 B7402601
FILTER CARRIAGE FRAME #18 B7402701
FILTER, BRACKET ELECTRIC CORD A6657202
FILTER, BRACKET SWITCH, MICRO RP14,RP18 A6689002
FILTER, BRACKET, T-STAT, RP14,RP18 A6688402
FILTER, CONNECTOR QUICK B6604501
FILTER, COUPLING TOP A6681802
FILTER, COVER MOTOR WELDMENT, RP14,RP18 B6625801
FILTER, HANDLE SNAP TITE BLACK P6071254
FILTER, HANDLE WELDMENT, RP14,RP18 B6627001
FILTER, HANDLE, SNAP TITE WHITE P6071253
FILTER, HOSE HI-PRESSURE 60" B6602405
FILTER, MOTOR PC ASSY, 115 VAC RP14, RP18 B6625501
FILTER, NOZZLE WELDMENT RP14,RP18 B6624701
FILTER, PAN WELDMENT RP14 B6624901
FILTER, PAN WELDMENT RP18 B6624902
FILTER, PANEL FRONT RP14,RP18 A6688102
FILTER, PANEL REAR RP14,RP18 A6688202
FILTER, PLATE MOTOR WELDMENT RP14 B6627101
FILTER, RACK WELDMENT, RP14,RP18 B6620002
FILTER, SCREEN CLIP, RP14,RP18 B6617002
FILTER, SCREEN INLET B6624801
FILTER, SCREEN INLET SF50/65 WKS B6615301
FILTER, TUBING SUCTION WELDMENT RP14 B6625601
FILTER, TUBING SUCTION WELDMENT RP18 B6625602
HANDLE, NOZZLE RACK P6071190
HEATER, TAPE 165W, 110 VAC, 1/2" X 79" PP10039
LAMP, 125 VAC, GREEN, RECT. PP10331
LAMP, 250 VAC, GREEN, RECT. PP10736
NUT ACORN 1/4-20 PP10668
NUT, HEX (JAM) 3/8-16 P0095200
NUT, HEX 6-32 P0091100

5-6
ALPHABETICAL PART LIST (Continued)
Pitco Frialator
Part Description Part No.
NUT, HEX, 1/4-20 P0093300
O-RING, VITON .688 ID X .875 OD PP10409
PLUG, HOLE 7/8" P6071490
PUMP/MOTOR, 1/3 HP, 115/230VAC, 50/60HZ PP10101
RING, RETAINING-INTERNAL PP10820
RING, RETAINING-INTERNAL .875" PP10629
SCREW, 1/4-20 X 3/8" P0062100
SCREW, 1/4-20 X 5/8" P0020600
SCREW, 10-32 X 1/2” PP10752
SCREW, 6-32 X 1/4" PP10686
SET SCREW, 6-32 X 1" P0006300
SWITCH, LIMIT-SPST P5047171
SWITCH, ROCKER CKT BKR SPST, 4A 250VAC PP10470
SWITCH, ROCKER CKT BKR SPST, 8A 250VAC PP10460
SWITCH, TOGGLE 3PDT PP10821
TSTAT, SNAP DISK 135°F OPEN, 105°F CLOSE PP10739
TUBING, TEFLON 5/8 ID X 11/16 OD CALL FACTORY
VALVE, BALL 1/2", 3-WAY P6071757
WASHER, FLAT 1/4" P0080650

5-7
NUMERICAL PART LIST
Pitco Frialator
Part No. Part Description
A6657202 FILTER, BRACKET ELECTRIC CORD
A6681802 FILTER, COUPLING TOP
A6688102 FILTER, PANEL FRONT RP14,RP18
A6688202 FILTER, PANEL REAR RP14,RP18
A6688402 FILTER, BRACKET, T-STAT, RP14,RP18
A6689002 FILTER, BRACKET SWITCH, MICRO RP14,RP18
B6602405 FILTER, HOSE HI-PRESSURE 60"
B6604501 FILTER, CONNECTOR QUICK
B6615301 FILTER, SCREEN INLET
B6617002 FILTER, SCREEN CLIP RP14,RP18
B6620002 FILTER, RACK WELDMENT RP14,RP18
B6624701 FILTER, NOZZLE WELDMENT RP14,RP18
B6624801 FILTER, SCREEN INLET
B6624901 FILTER, PAN WELDMENT RP14
B6624902 FILTER, PAN WELDMENT RP14
B6625501 FILTER, MOTOR PC ASSY, 115 VAC RP14, RP18
B6625601 FILTER, TUBING SUCTION WELDMENT RP14
B6625602 FILTER, TUBING SUCTION WELDMENT RP18
B6625801 FILTER, COVER MOTOR WELDMENT, RP14,RP18
B6627001 FILTER, HANDLE WELDMENT, RP14,RP18
B6627101 FILTER, PLATE MOTOR WELDMENT RP14
B7402601 FILTER CARRIAGE FRAME #14
B7402701 FILTER CARRIAGE FRAME #18
P0006300 SCREW, 6-32 X 1"
P0020600 SCREW, 1/4-20 X 5/8"
P0062100 SET SCREW, 1/4-20 X 3/8"
P0080650 WASHER, FLAT 1/4"
P0091100 NUT, HEX 6-32
P0093300 NUT, HEX, 1/4-20
P0095200 NUT, HEX (JAM) 3/8-16
P5045160 CAP, PLASTIC
P5047171 SWITCH, LIMIT-SPST
P6071062 CASTER, PMF 2 (W/TOP PLATE)
P6071123 CONNECTOR, FILTER 3/8" MALE
P6071190 HANDLE, NOZZLE RACK
P6071253 FILTER, HANDLE, SNAP TITE WHITE
P6071254 FILTER, HANDLE SNAP TITE BLACK
P6071490 PLUG, HOLE 7/8"
P6071757 VALVE, BALL 1/2", 3-WAY
P7037752-1 ELBOW, STREET 3/8" 90° PLATED

5-8
NUMERICAL PART LIST (Continued)
Pitco Frialator
Part No. Part Description
P7037796 COUPLING, BLACK 3/8" NPT X 1/2" TUBE
PP10039 HEATER, TAPE 165W, 110 VAC, 1/2" X 79"
PP10101 PUMP/MOTOR, 1/3 HP, 115/230VAC, 50/60HZ
PP10113 CONNECTOR, COUPLER-VALVED 3/8"
PP10139 CORD, PLUG, 14-3, 10'
PP10146 CONNECTOR, STRAIN RELIEF
PP10331 LAMP, 125 VAC, GREEN, RECT.
PP10409 O-RING, VITON .688 ID X .875 OD
PP10460 SWITCH, ROCKER CKT BKR SPST, 8A 250VAC
PP10470 SWITCH, ROCKER CKT BKR SPST, 4A 250VAC
PP10629 RING, RETAINING-INTERNAL .875"
PP10668 NUT ACORN 1/4-20
PP10686 SCREW, 6-32 X 1/4"
PP10736 LAMP, 250 VAC, GREEN, RECT.
PP10739 TSTAT, SNAP DISK 135°F OPEN, 105°F CLOSE
PP10752 SCREW, 10-32 X 1/2”
PP10820 RING, RETAINING-INTERNAL
PP10821 SWITCH, TOGGLE 3PDT
CALL FACTORY TUBING, TEFLON 5/8 ID X 11/16 OD

6-1
Chapter 6: Schematics
Schematic Description Schematic
Number
SCHEMATIC, FILTER RP14, RP18 115 VAC 700160
SCHEMATIC, FILTER RP14, RP18 220 VAC 700161
SCHEMATIC, FILTER RP14, RP18 240 VAC 700162

6-2
THE INFORMATION CONTAINED
ON THIS DOCUMENT IS THE
PROPERTY OF PITCO FRIALATOR
INC. AND MAY NOT BE REPRO-
DUCED , COPIED, OR DISSEM-
INATED TO THIRD PARTIES
WITHOUT THE WRITTEN PERMIS-
SION OF:
PITCO FRIALATOR INC.
CONCORD, NH 03301 U.S.A.
12
SH OF
N/A
SEE PARTS LIST
03
NAL
12/13/93
3720
02
BHP
.
DPM
12/23/93
3744
03
.
.
DPM
11/29/93
3702
01
BHP
.
SCALE:
PART NO:
N/A
A
700160
PITCO FRIALATOR, INC.
P.O. BOX 501 CONCORD, NH 03302-0501
REVISIONS
REV
EN NO
DATE
DR
CK
APPD
SCHEMATIC, FILTER
RP14, RP18 115VAC
MATERIAL
N/A
TOLERANCES:
TITLE:
DWG NO:SIZE
DWG APPROVAL DATE
3676
.
APPD:
EN NO:
CK:
DR:
D.P.M.
.
11/8/93
.
11/12/93
.
REV
HEAT
OPTION
BL
BL
ON-OFF
C
NC
NO
S3
ON-OFF-ON
C
C
C
S1
BR
T5
P2
T3
T2 T4
P1 BL
W
W
BK
V
V
V
BK
W
115VAC
NEUTRAL
GROUND
BR
BR
Y
Y
R
R
W
G
HR1
S2
T8
DS1
WARM
P17
M1 CB1
CB1 PP10460 CIRCUIT BREAKER, SWITCH ROCKER SPST 8AMP 250VAC 1
NOMENCLATURE
PART NO. DESCRIPTION QTY
PARTS LIST
DS1 PP10331 LAMP, 125VAC GREEN RECTANGLE 1
HR1 PP10039 HEATER, TAPE 165W 110VAC 1/2 X 79 1
M1 PP10101 PUMP/MOTOR,1/3HP 115/230V 50/60HZ 1
PP10439 CORD, PLUG-MOLDED 14-3 NEMA 5-15PP17 1
S1 PP10821 SWITCH, TOGGLE 3PDT ON-OFF-ON 1
1S2 PP10739 TSTAT, SNAPDISK 135F OPEN 105F CLOSE 1S3 P5047171 SWITCH, LIMIT-SPDT 1-C17
READY

6-3
THE INFORMATION CONTAINED
ON THIS DOCUMENT IS THE
PROPERTY OF PITCO FRIALATOR
INC. AND MAY NOT BE REPRO-
DUCED , COPIED, OR DISSEM-
INATED TO THIRD PARTIES
WITHOUT THE WRITTEN PERMIS-
SION OF:
PITCO FRIALATOR INC.
CONCORD, NH 03301 U.S.A.
12
SH OF
N/A
SEE PARTS LIST
03
DPM
11/29/93
3702
01
BHP
.
DPM
12/13/93
3720
02
BHP
.
DPM
12/23/93
3744
03
.
.
SCALE:
PART NO:
N/A
A
700161
PITCO FRIALATOR, INC.
P.O. BOX 501 CONCORD, NH 03302-0501
REVISIONS
REV
EN NO
DATE
DR
CK
APPD
SCHEMATIC, FILTER
RP14, RP18 220VAC
MATERIAL
N/A
TOLERANCES:
TITLE:
DWG NO:SIZE
DWG APPROVAL DATE
3676
.
APPD:
EN NO:
CK:
DR:
D.P.M.
.
11/8/93
.
11/12/93
.
REV
HEAT
OPTION
BL
BL
ON-OFF
C
NC
NO
S3
BR
ON-OFF-ON
C
C
C
S1
W
W
W
BR
BR
T4
T5
T8
P1 BL BK BK
V
V
V
W
220VAC
220VAC
GROUND
P2
Y
Y
R
RG
HR1
S2
T2
T3
DS1
WARM
P17
M1 CB1
CB1 PP10470 CIRCUIT BREAKER, SWITCH ROCKER DPST 4AMP 250VAC 1
NOMENCLATURE
PART NO. DESCRIPTION QTY
PARTS LIST
DS1 PP10736 LAMP, 250VAC GREEN RECTANGLE 1
HR1 PP10080 HEATER, TAPE 165W 240V 1/2 X 79 1
M1 PP10101 PUMP/MOTOR, 1/3 HP 115/230V 50/60HZ 1
PP10439 CORD, PLUG-MOLDED 14-3 NEMA 5-15PP17 1
S1 PP10821 SWITCH, TOGGLE 3PDT ON-OFF-ON 1
1S2 PP10739 TSTAT, SNAPDISK 135F OPEN 105F CLOSE 1S3 P5047171 SWITCH, LIMIT-SPDT 1-C17
READY

6-4
THE INFORMATION CONTAINED
ON THIS DOCUMENT IS THE
PROPERTY OF PITCO FRIALATOR
INC. AND MAY NOT BE REPRO-
DUCED , COPIED, OR DISSEM-
INATED TO THIRD PARTIES
WITHOUT THE WRITTEN PERMIS-
SION OF:
PITCO FRIALATOR INC.
CONCORD, NH 03301 U.S.A.
12
SH OF
N/A
SEE PARTS LIST
01
DPM
11/29/93
3702
01
.
.
SCALE:
PART NO:
N/A
A
700162
PITCO FRIALATOR, INC.
P.O. BOX 501 CONCORD, NH 03302-0501
REVISIONS
REV
EN NO
DATE
DR
CK
APPD
SCHEMATIC, FILTER
RP14, RP18 240VAC
MATERIAL
N/A
TOLERANCES:
TITLE:
DWG NO:SIZE
DWG APPROVAL DATE
3676
.
APPD:
EN NO:
CK:
DR:
D.P.M.
.
11/8/93
.
11/12/93
.
REV
BL
BL
ON-OFF
C
NC
NO
S3
ON-OFF-ON
C
C
C
S1
T8 T5
T4
P1 BL BK
R
R
V
V
V
V
BK
W
240VAC
240VAC
GROUND
BR
BR
W
W
BR
W
T1
Y
Y
G
HR1
S2
DS1
WARM
P17
M1 CB1
CB1 PP10470 CIRCUIT BREAKER, 4 AMP-DOUBLE POLE 1
NOMENCLATURE
PART NO. DESCRIPTION QTY
PARTS LIST
DS1 PP10736 LAMP, 250 VAC-GREEN 1
HR1 PP10080 HEAT TAPE - 240 VAC, 165 W 1
M1 PP10171 PUMP/MOTOR ASSY, 240VAC 50HZ 1/3HP 1
PP10710 CORD, PLUG MOLDED 16-3 NEMA 6-15P 23.5"P17 1
S1 PP10821 SWITCH, TOGGLE 3PDT ON-OFF-ON 1
1S2 PP10739 SWITCH, THERMAL 135F OPEN 105F CLOSE 1S3 P5047171 SWITCH, LIMIT-SPST 1-C17
READY
03