1. DL manuals
  2. Taylor
  3. Freezer
  4. C706
  5. Service Manual

Taylor C706 Service Manual

Other manuals for C706: Operator's Manual
Manual is about: Soft Serve Freezer

Summary of C706

  • Page 1

    Models c706 & c707 soft serve freezer service manual 056436-s 3/14/03.

  • Page 2: Table Of Contents

    Table of contents models c706 & c707 table of contents section 1: introduction 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Safety 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

  • Page 3

    Models c706 & c707 table of contents table of contents -- page 2 section 4: parts 37 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Warranty explanation 38 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....

  • Page 4: Section 1: Introduction

    1 models c706 & c707 introduction section 1: introduction s specifications s running specifications s installation instructions s important: to the operator.

  • Page 5: Safety

    2 introduction models c706 & c707 safety _________________________________ we at taylor company, are committed to manufacturing safe operating and serviceable equipment. The many built-in safety features that are part of all taylor equipment are aimed at protecting operators and trained service tech...

  • Page 6: C706 Specifications

    3 models c706 & c707 introduction 040809 c706 specifications the c706 is a pump style, single flavor soft serve freezer. Freezing cylinder one, 3.4 quart (3.2 liter). Mix hopper one, 20 quart (18.9 liter). Beater motor one, 1.5 hp. Refrigeration unit one, 9,500 btu/hr. R404a. Separate hopper refrige...

  • Page 7: C707 Specifications

    4 introduction models c706 & c707 040809 c707 specifications the c707 is a gravity fed, single flavor soft serve freezer. Freezing cylinder one, 3.4 quart (3.2 liter). Mix hopper one, 20 quart (18.9 liter). Beater motor one, 1.5 hp. Refrigeration unit one, 9,500 btu/hr. R404a. Separate hopper refrig...

  • Page 8: Installation Instructions

    5 models c706 & c707 introduction installation instructions air cooled units a minimum of 6” (152 mm) air clearance is required on both sides. Place the back of the unit against a wall to prevent recirculation of warm air. Minimum air clearances must be met to assure adequate air flow for optimum pe...

  • Page 9

    6 introduction models c706 & c707 installation of cone dispenser (x48464) the cone dispenser can be mounted to either the left or right side of the machines. Two holes must be created in the side of the machine. 1-1/8 (28.6) 24-1/4 (616.0) 9/32 (7.0) 1-5/8 (41.3) 9/32 (7.0) figure 2 the following co...

  • Page 10

    7 models c706 & c707 introduction installation of syrup rail (x48015--27) the syrup rail can be mounted to either the left or right side of the c706 or c707 units regardless of whether the top air discharge chute is used. The syrup rail can mount to only the left side of the c708 or c709 if the top ...

  • Page 11

    8 introduction models c706 & c707 the following parts will be needed to mount the syrup rail on the side of a unit where a top air discharge chute is installed: description part no. Qty. Rail a.--syrup--heated-- side mount x48015--27 1 pump a.--syrup--heated-- brn x53800--brn 1 screw--10--32 x 3/4 o...

  • Page 12: Running Specifications

    9 models c706 & c707 introduction running specifications pressures/temperatures the following are the taylor company recommended settings for various components in the models c706 and c707. These freezers use refrigerant hp62 (r404a). Expansion valve soft serve air cooled: 20 -- 22 psi. (138 -- 152 ...

  • Page 13

    10 introduction models c706 & c707 important: to the operator c706 item description 1 mix low indicator light 2 mix out indicator light 3 mix refrigeration key 4 standby key 5 wash key 6 auto key item description 7 pump key 8 reset button -- beater motor 9 reset button -- pump 10 power switch (toggl...

  • Page 14

    11 models c706 & c707 introduction c707 3 1 2 8 10 6 5 4 9 reset 7 item description 1 mix low indicator light 2 mix out indicator light 3 mix refrigeration key 4 standby key 5 wash key item description 6 auto key 7 reset button -- beater motor 8 power switch (toggle) 9 hopper temp. Indicator 10 flav...

  • Page 15

    12 introduction models c706 & c707 symbol definitions to better communicate in the international arena, symbols have replaced words on many of our operator switches, function, and fault indicators. Your taylor equipment is designed with these international symbols. The following chart identifies the...

  • Page 16

    13 models c706 & c707 introduction auto key when the auto key is pressed, the light comes on. This indicates that the main refrigeration system has been activated. In the auto mode, the wash or standby functions are automatically cancelled. The mix ref function is automatically locked in to maintain...

  • Page 17

    14 introduction models c706 & c707 air tube (back--up option) if the air/mix pump has become inoperable because of a missing or damaged part, the operator can temporarily operate the unit using the air tube. The product ejection rate will be slower when the air tube is used instead of the air/mix pu...

  • Page 18: Section 2: Controls

    15 models c706 & c707 controls section 2: controls s generation ii logic board s service tips for generation ii boards s troubleshooting power board s control overview s pump operation.

  • Page 19: Generation Ii Logic Board

    16 controls models c706 & c707 generation ii logic board the generation ii logic board’s primary function is to interpret modes of operation. The board monitors mix levels and temperatures by sending commands to the control’s power board. Commands are sent via a ribbon cable, enabling the proper rel...

  • Page 20

    17 models c706 & c707 controls viscosity function: in soft serve freezers the logic board monitors amp draw on the beater motor, which is directly related to the viscosity of the product in the freezing cylinder. When the amp draw reaches its set point, the unit cycles off. Therefore, the viscosity ...

  • Page 21

    18 controls models c706 & c707 setting the mix hopper temperature 1. To set the mix hopper temperature, fill the hopper at least half full with approximately 40_f (4.4_c) mix. 2. Install a suction pressure gauge at the epr valve (evaporator pressure regulator) and verify the correct operating pressu...

  • Page 22

    19 models c706 & c707 controls thermistor curve when checking a thermistor probe, first determine the present temperature at the probe and find it on this chart along with the approximate correct ohmmeter reading. The ohmmeter reading may vary from the correct one. Determine whether the difference i...

  • Page 23

    20 controls models c706 & c707 _ f _ c k ohm 56 13.3 16.998 57 13.8 16.557 58 14.4 16.128 59 15.0 15.710 60 15.5 15.315 61 16.1 14.929 62 16.6 14.554 63 17.2 14.187 64 17.7 13.830 65 18.3 13.482 66 18.8 13.143 67 19.4 12.812 68 20.0 12.490 69 20.5 12.185 70 21.1 11.888 71 21.6 11.598 72 22.2 11.315 ...

  • Page 24

    21 models c706 & c707 controls service tips for generation ii boards initial service tips 1. Check all connections. 2. Check the cable to verify that it is secure. 3. Verify that all pins are securely fastened in their sockets. 4. Verify that all cables correctly face away from the boards. If the ca...

  • Page 25

    22 controls models c706 & c707 6. Ten seconds later, the pump relay closes. 7. Three seconds later, the pump relay opens and the mix light turns off. 8. Ten seconds later, the beater motor relay closes. 9. Three seconds later, the beater motor relay opens and the standby light turns off. 10. Ten sec...

  • Page 26

    23 models c706 & c707 controls 11. The capability of this terminal to read the thermistor probe can be checked by the following method: a. Remove the thermistor probe wire from the “mix 1” terminal. B. Connect the “mix 1” terminal directly to ground (simulating a warm probe). The mix light will illu...

  • Page 27

    24 controls models c706 & c707 troubleshooting the power board use this troubleshooting guide before or immediately after the suspected assembly is removed from the equipment in order to determine if the power board is defective. The power board can be identified by its fuse, several small relay box...

  • Page 28

    25 models c706 & c707 controls troubleshooting guide a. Check power board before removal while the power board is still installed in the freezer, make the following four preliminary checks at the power board with power applied to the freezer: 1. Check the ac input by setting the meter to measure ac ...

  • Page 29

    26 controls models c706 & c707.

  • Page 30

    27 models c706 & c707 controls unusual failures of the x32326--ser power board the fault of interest is the catastrophic failure of the tracks that form the current sensing loop for the beater motor. These are the traces that lead from the beater terminals to the current transformer. There were a nu...

  • Page 31: Control Overview

    28 controls models c706 & c707 control overview.

  • Page 32: Mix Pump Operation

    29 models c706 & c707 controls mix pump operation the pump operates under the following conditions: pump key when the pump key is pressed, the pump is active by itself or with the wash mode of operation. Mix pump the mix pump will be active for 30 seconds whenever the auto mode is entered. If a mix ...

  • Page 33

    30 controls models c706 & c707 notes:.

  • Page 34: Section 3: Troubleshooting

    31 models c706 & c707 troubleshooting section 3: troubleshooting s general troubleshooting s electrical troubleshooting.

  • Page 35

    32 troubleshooting models c706 & c707 general troubleshooting guide problem probable cause remedy 1. No product is being dispensed. Low on mix. The mix out light is on. Add mix to the mix hopper the power switch is in the off position. Place the power switch to the on position and press the auto key...

  • Page 36

    33 models c706 & c707 troubleshooting problem probable cause remedy 3. The product is too soft. The draw rate is set too fast. Adjust the draw rate to 5 -- 7-1/2 oz. (142 g. -- 213 g.) of product by weight every 10 seconds. Outdrawing the capacity of the freezing cylinder. The continuous draw rate i...

  • Page 37

    34 troubleshooting models c706 & c707 problem probable cause remedy 11. Freezing cylinder walls are scored missing or worn front bearing. Install or replace the front bearing. Scored. Broken beater pins (pump style freezers, only). Replace the beater assembly. When installing scraper blades, be sure...

  • Page 38

    35 models c706 & c707 troubleshooting 040206 troubleshooting pump style freezers problem probable cause remedy 1. The air/mix pump will not operate when the pump key is pressed the circuit breaker is off. Check the breaker. When the pump key is pressed. The power cord is unplugged. Plug in the power...

  • Page 39: Electrical Troubleshooting

    36 troubleshooting models c706 & c707 electrical troubleshooting the following information provides a sequential list of electrical components that l--1 power travels through to initiate various operations. Auto mode of operation: l--1 power travels through the power switch, beater overload switch, ...

  • Page 40: Section 4: Parts

    37 models c706 & c707 parts section 4: parts s warranty explanation s exploded views.

  • Page 41: Warranty Explanation

    38 parts models c706 & c707 warranty explanation class 103 parts: the warranty for new equipment parts is one year from the original date of unit installation, with a replacement parts warranty of three months. Class 212 parts: the warranty for new equipment parts is two years from the original date...

  • Page 42

    39 models c706 & c707 parts notes:.

  • Page 43: Model C706 Exploded View

    40 parts models c706 & c707 model c706 exploded view 46 52 57 25 4 5 26 45 54 28 24 23 39 1 14 13 22 12 41 42 43 37 33 59 10 20 19 27 31 48 1a 6 53 56 1b 1c 1d 2 3 44 40 18 61 62 16 17 15 8 7 30 29 49 50 51 47 21 32 11 34 35 36 38 9 58 60 55 27a.

  • Page 44

    41 models c706 & c707 parts model c706 parts identification item description part no. 1 shell a.-insulated x56054 1a bearing-rear shell 031324 1b washer-bearing lock 012864 1c nut-brass bearing 028991 1d guide-drip seal 028992 2 coupling-drive 3/4 hex 012721 3 gear a.*reducer 4.21:1 021286-ser 4 pul...

  • Page 45

    42 parts models c706 & c707 model c706 panel identification 10 12 1 3 5 4 9 8 7 6 2 11 13 14.

  • Page 46

    43 models c706 & c707 parts model c706 panel identification item description part no. 1 panel-side-left 056082 2 cover-hopper 053809 3 trim-corner-rear-left 056964 4 panel-rear 056077 5 pan a.-drip 5 1/2” long x56074 6 pan-drip 11-5/8 long 027503 7 trim-corner-rear-right 056965 item description part...

  • Page 47: Model C707 Exploded View

    44 parts models c706 & c707 model c707 exploded view 46 52 53 25 4 5 26 45 28 24 23 39 1 14 13 22 12 41 42 43 37 33 55 10 20 19 27 31 48 1a 6 57 1b 1c 1d 2 3 44 40 18 16 17 15 8 27a 7 30 29 49 50 51 47 21 32 11 34 35 36 38 9 54 56 58 59 60

  • Page 48

    45 models c706 & c707 parts model c707 parts identification item description part no. 1 shell a.-insulated x56665 1a bearing-rear shell 031324 1b washer-bearing lock 012864 1c nut-brass bearing 028991 1d guide-drip seal 028992 2 coupling-drive 3/4 hex 012721 3 gear a.*reducer 4.21:1 021286-ser 4 pul...

  • Page 49

    46 parts models c706 & c707 model c707 panel identification 9 11 1 3 4 8 7 6 5 2 10 12 13.

  • Page 50

    47 models c706 & c707 parts model c707 panel identification item description part no. 1 panel-side-left 056082-sp1 2 cover-hopper 053809 3 trim-corner-rear-left 056964 4 panel-rear 056077-sp1 5 pan-drip 11-5/8 long 027503 6 trim-corner-rear-right 056965 7 panel-side-right 056242 item description par...

  • Page 51

    48 parts models c706 & c707 control a. -- x56051-- (model c706) 7 13 14 22 8 3 6 3 21 18 19 20 9 10 12 5 2 1 4 17 15 16 11 item description part no. 1 box-control 056255 2 relay-start-compressr see parts list 3 screw-8 x 1/4 sl hex hd 009894 4 label-grounding symbol 017669 5 relay-3 pole-20a-208/240...

  • Page 52

    49 models c706 & c707 parts control a. -- x57863-- (model c707) 20 19 1 2 5 6 7 17 12 14 21 18 11 3 3 3 8 3 13 9 4 10 16 15 item description part no. 1 box-control 056255 2 relay-start-compressr see parts list 3 screw-8 x 1/4 sl hex hd 009894 4 label-grounding symbol 017669 5 relay-3 pole-20a-208/24...

  • Page 53

    50 parts models c706 & c707 box a.--cap & relay -- x42128-- (model c706) item description part no. 1 sleeve-wire 7/16 id 020919-22 2 screw-8x1/4 sl hex hd 009894 3 box-cap&relay-pump 042035 4 capacitor-start- 47-56uf 037251-34 item description part no. 5 strap-capacitor 3-1/16 in. 036953 6 sleeve-wi...

  • Page 54: Switch A.--Draw -- X56147

    51 models c706 & c707 parts switch a.--draw -- x56147 item description part no. 1 screw-4-40x1 rd hd steel 028890 2 switch-lever-spdt-10a-125 028889 3 bracket a.-switch x56254 4 pin-pivot 015478 5 spring-return-right 041661 item description part no. 6 spring-return-left- 041660 7 arm a.-draw x56253 ...

  • Page 55

    52 parts models c706 & c707 pump a. -- mix simplified -- x57029--xx (model c706) item description part no. 1 - 7 pump assembly - mix simplified soft serve x57029-xx 1 cylinder a.-pump-hopper- soft serve x57025 2 pin a.-coax pump x55450 3 piston 053526 4 o-ring 2-1/8” od - red 020051 5 cap-valve 0568...

  • Page 56

    53 models c706 & c707 parts door and beater assembly (model c706) item description part no. 1 handle a.-draw-welded x56246 1a o-ring-1/4 od x .070w 50 015872 1b screw-adjustment-5/16-24 056332 2 nut-stud 034383 3 door a.-w/baffle x56747-1 4 plug-prime 028805 5 o-ring-7/8 od x .103w 014402 6 shaft-be...

  • Page 57

    54 parts models c706 & c707 door and beater assembly (model c707) 1 1a 1b 2 3 11 14 13 12 6 7 8 10 5 9 4 item description part no. 1 handle a.-draw-welded x56246 1a o-ring-1/4 od x .070w 50 015872 1b screw-adjustment-5/16-24 056332 2 nut-stud 034383 3 door a.-w/baffle x56747-1 4 plug-prime 028805 5 ...

  • Page 58: C706 Operator Parts

    55 models c706 & c707 parts c706 operator parts item description part no. 1 cover-hopper complete 053809 2 pan-drip 11-5/8 long 027503 3 pin-retaining-hopper cvr 043934 4 panel-side-left 056082 5 stud-nose cone 055987 6 shield-splash 049203 7 tray-drip 056858 item description part no. 8 panel-front-...

  • Page 59: C707 Operator Parts

    56 parts models c706 & c707 c707 operator parts 4 3 5 2 1 7 6 8 9 11 10 12 14 13 15 item description part no. 1 cover-hopper complete 053809 2 pan-drip 11-5/8 long 027503 3 pin-retaining-hopper cvr 043934 4 panel-side-left 056082-sp1 5 stud-nose cone 055987 6 shield-splash 049203 7 tray-drip 056858 ...

  • Page 60: Accessories

    57 models c706 & c707 parts accessories kay-5 sanitizer/cleaner ® caution keep out of reach of children for institutional use only 1 oz (28.4 g) 048260 2 1 7 3 4 5 6 9 8 10 item description part no. 1 tool-o-ring removal 048260-wht 2 brush-rear·brg·1in.Dx2in. 013071 3 brush-double·ended 013072 4 bru...

  • Page 61

    58 parts models c706 & c707 brush identification (model c706) note: for proper brush cleaning of the adapter, cap, feed tube, and orifice, refer to the following illustration which indicates proper brush usage. 2 4 , 1 1 1 3 2 1 2 3 3 1 013072 double ended 03 97 19 ye llo w b ristl e 1” 050103 set -...

  • Page 62: Parts List

    Parts list 59 + available separately models c706 & c707 parts list de s cri p t io n part num be r c706 qty . W arr. Cl as s re m arks part s up da t e beari n g -front -shoe 050348 1 000 beari n g -rear shell *ni ck. P late 031324 1 000 +gui de -dri p seal 028992 1 000 +nut -b rass beari n g 028991...

  • Page 63

    + available separately 60 parts list models c706 & c707 de s cri p t io n part s up da t e re m arks w arr. Cl as s c706 qty . Part num be r +grommet -compressor m ount -a h 039923 4 000 +ki t -m ounti n g -compressor 047704 1 000 +relay -s tart -c ompressor 036047 1 103 +sleeve -m ounti n g -comp. ...

  • Page 64

    61 + available separately models c706 & c707 parts list de s cri p t io n part s up da t e re m arks w arr. Cl as s c706 qty . Part num be r dryer -c ap. Tube .021 id x 9 ft 055522 1 000 d r y e r -f il t e r -h p 6 2 -3 /8 x 1 /4 s 048901 1 000 gasket -base pan *c 706* 056058 1 000 gear a. *r educe...

  • Page 65

    + available separately 62 parts list models c706 & c707 de s cri p t io n part s up da t e re m arks w arr. Cl as s c706 qty . Part num be r label -s w -pow e r -off/ on -symbols 052632 1 000 label -w arn -cover 051433 4 000 outsi d e panels lubri c ant -taylor 4 o z. 047518 1 000 man -oper c706 056...

  • Page 66

    63 + available separately models c706 & c707 parts list de s cri p t io n part s up da t e re m arks w arr. Cl as s c706 qty . Part num be r panel -s id e -left *c 706* 056082 1 103 plate a .- dec *c706* x56081 1 103 plate -dec *c706* 056235 1 103 k2117198/ pr io r 167 plate -dec *c706* 057034 1 103...

  • Page 67

    + available separately 64 parts list models c706 & c707 de s cri p t io n part s up da t e re m arks w arr. Cl as s c706 qty . Part num be r shaft a .- dri ve -m ix pump -h opper x39084 1 103 crank -dri ve -h opper mi x p ump 039235 1 103 o -ri ng 1/ 2 id x .139w 048632 2 000 o -ri ng -1 -3 /4 o d x...

  • Page 68

    65 + available separately models c706 & c707 parts list de s cri p t io n part s up da t e re m arks w arr. Cl as s c706 qty . Part num be r tri m -c o rner -rear -r ig ht *c 706* 056965 1 103 k2117199/ up 167 tube a. -f eed -h opper s. S. X56521 1 103 +ri n g -check -f eed -t ube 056524 1 000 +o -r...

  • Page 69

    + available separately 66 parts list models c706 & c707 de s cri p t io n part num be r c707 qty . W arr. Cl as s re m arks part s up da t e beari n g --f ront 050216 1 000 beari n g -rear shell *ni ck. P late 031324 1 000 +gui de -dri p seal 028992 1 000 +nut -b rass beari n g 028991 1 000 +o -r in...

  • Page 70

    67 + available separately models c706 & c707 parts list de s cri p t io n part s up da t e re m arks w arr. Cl as s c707 qty . Part num be r com p ressor f h2511z 054476 -4 0 1 512 220 -240v 50hz 3 ph +capaci t or -run - 2 5 u f/ 440v 037431 1 103 +capaci t or -s tart -145 -175uf/ 330v 054824 1 103 ...

  • Page 71

    + available separately 68 parts list models c706 & c707 de s cri p t io n part s up da t e re m arks w arr. Cl as s c707 qty . Part num be r gui d e a .- dri p pan x48433 1 103 rear shell beari n g - short jack a. -f lavo rburst *c706* x56353 1 103 ki t a .- tune up *1 spout* x49463 -5 8 1 000 beari...

  • Page 72

    69 + available separately models c706 & c707 parts list de s cri p t io n part s up da t e re m arks w arr. Cl as s c707 qty . Part num be r pan -dri p 1 1 -5/ 8 l ong 027503 1 103 si de panel panel a. -f ro nt *c 706* x56595 1 103 panel a. -s id e -ri g h t *c706* x56083 1 103 top a ir di scharge p...

  • Page 73

    + available separately 70 parts list models c706 & c707 de s cri p t io n part s up da t e re m arks w arr. Cl as s c707 qty . Part num be r starter -3 p hase -3 to 5 a 041950 -33j 1 103 208 -230v 60hz 3 ph sw it ch a. -draw *c706* x56147 1 103 arm a .- draw *c706* x56253 1 103 e -ri ng 3/ 16 .335 o...

  • Page 74

    C706/c707 056352--27 rev. 3/03.