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  4. 750
  5. Original Operating Instructions

Taylor 750 Original Operating Instructions

Other manuals for 750: Service Manual
Manual is about: 300 series; 700 series Soft Serve Ice Cream Machine

Summary of 750

  • Page 1

    Models 750/751/754/774/791/794 soft serve freezers original operating instructions 028754--m 2/01/02 (original publication) updated 6/13/12.

  • Page 2

    Complete this page for quick reference when service is required: taylor distributor: address: phone: service: parts: date of installation: information found on the data label: model number: serial number: electrical specs: voltage cycle phase maximum fuse size: a minimum wire ampacity: a e february,...

  • Page 3: Table Of Contents

    Models 750, 751, 754, 774, 791, 794 table of contents table of contents section 1 to the installer 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Section 2 to the operator 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....

  • Page 4

    Table of contents models 750, 751, 754, 774, 791, 794 table of contents -- page 2 closing procedure 29 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Draining product from the freezing cylinder 29 . . . . . . . . . . . . . . . . . . . . . . . ...

  • Page 5: Section 1

    1 models 750, 751, 754, 774, 791, 794 to the installer 081208 section 1 to the installer the following are general installation instructions. For complete installation details, please see the checkout card. Installer safety in all areas of the world, equipment should be installed in accordance with ...

  • Page 6

    2 models 750, 751, 754, 774, 791, 794 to the installer 101027 water connections (water cooled units only) an adequate cold water supply must be provided with a hand shut--off valve. On the underside rear of the base pan, two 3/8” i.P.S. (for single--head units) or two 1/2” i.P.S. (for double--head u...

  • Page 7

    3 models 750, 751, 754, 774, 791, 794 to the installer 080822 supply cords used with this unit shall be oil-resistant, sheathed flexible cable not lighter than ordinary polychloroprene or other equivalent synthetic elastomer-sheathed cord (code designation 60245 iec 57) installed with the proper cor...

  • Page 8: Section 2

    4 models 750, 751, 754, 774, 791, 794 to the operator 080822 section 2 to the operator the freezer you have purchased has been carefully engineered and manufactured to give you dependable operation. The taylor soft--serve models covered in this manual consist of the following: 750, 751, 754, 774, 79...

  • Page 9: Section 3

    5 models 750, 751, 754, 774, 791, 794 safety 101208 section 3 safety we, at taylor company, are concerned about the safety of the operator when he or she comes in contact with the freezer and its parts. Taylor has gone to extreme efforts to design and manufacture built--in safety features to protect...

  • Page 10

    6 models 750, 751, 754, 774, 791, 794 safety s do not allow untrained personnel to operate this machine. S do not put objects or fingers in door spout. S do not operate the freezer unless all service panels and access doors are restrained with screws. S do not remove any internal operating parts (ex...

  • Page 11: Section 4

    7 models 750, 751, 754, 774, 791, 794 operator parts identification 101217 section 4 operator parts identification model 750 item description part no. 1 cover a.--hopper x38458--ser 2 gasket--hopper cover 038375 3 tube a.--feed x29429--2 4 panel--rear 020891 5 panel--upper side right 042317 6 pan--d...

  • Page 12

    8 models 750, 751, 754, 774, 791, 794 operator parts identification 111101 model 751 item description part no. 1 cover a.--hopper x38458--ser 2 gasket--hopper cover 038375 3 tube a.--feed x29429--2 4 panel--rear 013637 5 panel--upper side right 028823 6 pan--drip 11--5/8 long 027503 7 panel a.--lowe...

  • Page 13

    9 models 750, 751, 754, 774, 791, 794 operator parts identification model 754 item description part no. 1 cover a.--hopper x38458--ser 2 gasket--hopper cover 038474 3 tube a.--feed x29429--2 4 panel--rear 053782 5 panel--upper side right 028823 6 panel a.--side lower right x46448--ser 7 panel--servi...

  • Page 14

    10 models 750, 751, 754, 774, 791, 794 operator parts identification model 774 item description part no. 1 cover a.--hopper x38458--ser 2 gasket--hopper cover 038474 3 tube a.--feed x29429--2 4 panel--upper rear x42574 5 panel--upper side right 028823 6 panel a.--side lower--right x46448--ser 7 pane...

  • Page 15

    11 models 750, 751, 754, 774, 791, 794 operator parts identification model 774 topping pump (053794--) item description part no. 1 knob-plunger-tan 032762-tan 1 knob-plunger-brown 032762-brn 1 knob-plunger-red 032762-red 2 o-ring-9/16 od x .103 w 016369 3 nut-plunger 036577 4 collar-gaging 1/2 ounce...

  • Page 16

    12 models 750, 751, 754, 774, 791, 794 operator parts identification 120613 model 791 item description part no. 1 panel a.--front x41820--sp3 2 stud--nose cone 068410 3 panel--side 069038 4 kit a.--cover--hopper x68150 5 tube a.--feed--ss--5/32 x29429--2 6 panel--rear 041855 item description part no...

  • Page 17

    13 models 750, 751, 754, 774, 791, 794 operator parts identification 111101 model 794 item description part no. 1 cover--hopper 14 qt. Grey 041682--gry 2 pan--drip 19--1/2 long 035034 3 tube a.--feed x29429--2 4 panel--rear 041855 5 panel--side--upper (left & right) 058672 6 panel a.--side lower rig...

  • Page 18

    14 models 750, 751, 754, 774, 791, 794 operator parts identification models 750 & 751 single spout door and beater assembly item description part no. 1 handle a.- draw x55096 1a draw handle 028804 1b screw-adjust 055092 1c o-ring 1/4od x .070w 015872 1d nut-jam 029639-blk 2 nut-stud flat long 021508...

  • Page 19

    15 models 750, 751, 754, 774, 791, 794 operator parts identification models 754, 774 & 794 three spout door and beater assembly item description part no. 1 handle a.--draw x55096 1a draw handle 028804 1b screw--adjustment 055092 1c o--ring 1/4 od x .070 w 015872 1d nut--jam 029639--blk 2 nut--stud l...

  • Page 20

    16 models 750, 751, 754, 774, 791, 794 operator parts identification 120124 model 791 three spout door and beater assembly item description part no. 1 handle a.--draw x55096 1a draw handle 028804 1b screw--adjust 055092 1c o--ring 1/4od x .070w 015872 1d nut--jam 029639--blk 2 plug--prime 028805 3 r...

  • Page 21

    17 models 750, 751, 754, 774, 791, 794 operator parts identification 101217 accessories item description part no. 1 tool--o--ring removal 048260--wht 2 brush--rear bearing 1” d x 2”l 013071 3 brush--double ended 013072 4 brush--draw valve 1” x 2” x 17” 013073 5 brush--mix pump body 3” x 7” white 023...

  • Page 22: Section 5

    18 models 750, 751, 754, 774, 791, 794 important: to the operator section 5 important: to the operator 750/751 754/774/791/794 item description 1 mix low indicator light 2 mix refrigeration key 3 standby key 4 wash key 5 auto key 6 power on/off (toggle) 7 reset button symbol definitions to better co...

  • Page 23

    19 models 750, 751, 754, 774, 791, 794 important: to the operator the following chart identifies the symbol definitions. = off = on = mix = standby = wash = auto power switch when placed in the on position, the power switch allows softech control panel operation. Mix low indicator light located on t...

  • Page 24

    20 models 750, 751, 754, 774, 791, 794 important: to the operator 091030 reset button on counter models, the reset button is located on the side of the unit. On console models, the reset button is located in the service panel. The reset protects the beater motor from an overload condition. If an ove...

  • Page 25: Section 6

    21 models 750, 751, 754, 774, 791, 794 operating procedures 080602 section 6 operating procedures the model 751 has been selected to illustrate the step--by--step operating procedures for all models contained in this manual. These models, for all practical purposes of operation, are the same. Each u...

  • Page 26

    22 models 750, 751, 754, 774, 791, 794 operating procedures insert the drive shaft into the freezing cylinder, hex end first, and into the rear shell bearing until the seal fits securely over the rear shell bearing. Engage the hex end firmly into the drive coupling. Be sure the drive shaft fits into...

  • Page 27

    23 models 750, 751, 754, 774, 791, 794 operating procedures note: there are two gaskets and two front bearings for the models 754, 774, 791, and 794 door, one for each freezing cylinder. Figure 8 slide the two o--rings into the grooves on the prime plug(s). Apply an even coat of taylor lube to the o...

  • Page 28

    24 models 750, 751, 754, 774, 791, 794 operating procedures 101109 step 5 install the draw valve(s). Slide the two o--rings into the grooves on the draw valve(s), and lubricate. Figure 12 note: models 754, 774, 791, and 794 have three draw valves. Lubricate the inside of the freezer door spout(s), t...

  • Page 29

    25 models 750, 751, 754, 774, 791, 794 operating procedures step 7 snap the design cap(s) over the end of the door spout(s). Figure 16 step 8 install the front drip tray and the splash shield under the door spout(s). Figure 17 step 9 slide the rear drip pan(s) into the hole in the side panel. Figure...

  • Page 30

    26 models 750, 751, 754, 774, 791, 794 operating procedures 080602 install the air orifice into the hole in the top of the air tube (in the end without the small hole on the side). Figure 21 step 11 lay the air tube (with the air orifice installed) and the hopper gasket in the bottom of the mix hopp...

  • Page 31

    27 models 750, 751, 754, 774, 791, 794 operating procedures figure 25 step 4 place the power switch in the on position. Figure 26 step 5 press the wash key. This will cause the sanitizing solution in the freezing cylinder to agitate. Allow it to agitate for five minutes. Figure 27 step 6 place an em...

  • Page 32

    28 models 750, 751, 754, 774, 791, 794 operating procedures step 9 assemble the hopper gasket around the top edge of the mix hopper. Stand the air tube in the corner of the hopper. Figure 30 repeat steps 1 through 9 for the other side of the freezer on models 754, 774, 791, and 794. Priming step 1 w...

  • Page 33

    29 models 750, 751, 754, 774, 791, 794 operating procedures 080324 step 7 place the mix hopper cover in position over the mix hopper. Repeat steps 1 through 7 for the other side of the freezer on models 754, 774, 791, and 794. Closing procedure to disassemble your unit, the following items will be n...

  • Page 34

    30 models 750, 751, 754, 774, 791, 794 operating procedures 080324 step 6 when a steady stream of cleaning solution is flowing from the prime plug opening in the bottom of the freezer door, lower the draw handle. Draw off all of the solution. Step 7 once the cleaner stops flowing from the door spout...

  • Page 35: Section 7

    31 models 750, 751, 754, 774, 791, 794 important: operator checklist 061122 section 7 important: operator checklist during cleaning and sanitizing cleaning and sanitizing schedules are governed by federal, state, or local regulatory agencies, and must be followed accordingly. If the unit has a “stan...

  • Page 36

    32 models 750, 751, 754, 774, 791, 794 important: operator checklist 080324 j 6. If your machine is air cooled, check the condensers for accumulation of dirt and lint. Dirty condensers will reduce the efficiency and capacity of the machine. Condensers should be cleaned monthly with a soft brush. Nev...

  • Page 37: Section 8

    33 models 750, 751, 754, 774, 791, 794 troubleshooting guide section 8 troubleshooting guide problem probable cause remedy page ref. 1. No product is being dispensed with draw valve open and the machine in the auto mode. A. Freeze--up in mix inlet hole. A. Call service technician to adjust the mix h...

  • Page 38

    34 models 750, 751, 754, 774, 791, 794 troubleshooting guide problem probable cause remedy page ref. 5. The mix in the mix hopper is too warm. A. The temperature is out of adjustment. A. Call service technician to adjust the mix hopper temperature. ------ b. Missing or defective mix hopper gasket. B...

  • Page 39

    35 models 750, 751, 754, 774, 791, 794 troubleshooting guide problem probable cause remedy page ref. 11. Product is not feeding into the freezing cylinder. A. Inadequate level of mix in the mix hopper. A. Fill the mix hopper with mix. 28 b. The mix inlet hole is frozen up. B. The mix hopper temperat...

  • Page 40: Section 9

    36 models 750, 751, 754, 774, 791, 794 parts replacement schedule section 9 parts replacement schedule part description every 3 months every 6 months annually drive shaft seal x scraper blade x freezer door gasket x front bearing x draw valve o--ring x pivot pin o--ring x prime plug o--ring x air tu...

  • Page 41: Section 10

    Section 10 parts list 37 + available separately models 750, 751, 754, 774, 791, 794 parts list models 750, 751, 754, 774, 794 (h p 62 r ef ri g eran t: 750 -- j61 10454, 751 -- j6080596, 754 -- j6080465, 774 -- j6092382, an d 794 -- j4094101/ u p ) de s cri p t io n part num be r 750 qty . 751 qty ....

  • Page 42

    + available separately 38 parts list models 750, 751, 754, 774, 791, 794 111101 de s cri p t io n part s up da t e re m arks w arr. Cl as s 794 qty . 774 qty . 754 qty . 751 qty . 750 qty . Part num be r b rus h-w h it e (1 ” x 2 ”) 013073 1 1 1 1 1 000 b rus h-w h it e (3 ” x 7 ”) 023316 1 1 1 1 1 ...

  • Page 43

    39 + available separately models 750, 751, 754, 774, 791, 794 parts list de s cri p t io n part s up da t e re m arks w arr. Cl as s 794 qty . 774 qty . 754 qty . 751 qty . 750 qty . Part num be r r e l ay-star t 036047 2 103 c o m p r esso r -au xil iar y 047701- 27 1 1 1 1 1 512 c apac ito r -star...

  • Page 44

    + available separately 40 parts list models 750, 751, 754, 774, 791, 794 de s cri p t io n part s up da t e re m arks w arr. Cl as s 794 qty . 774 qty . 754 qty . 751 qty . 750 qty . Part num be r de ca l -door 021521 1 1 1 000 + g asket-d o o r 048926 2 2 2 000 d r yer -c apil l a r y 047699 1 1 1 ...

  • Page 45

    41 + available separately models 750, 751, 754, 774, 791, 794 parts list de s cri p t io n part s up da t e re m arks w arr. Cl as s 794 qty . 774 qty . 754 qty . 751 qty . 750 qty . Part num be r g asket-d o o r 048926 2 2 2 000 o-ri ng 018572 8 8 8 000 air t u b e o-ri ng 014402 5 5 5 000 d r a w ...

  • Page 46

    + available separately 42 parts list models 750, 751, 754, 774, 791, 794 de s cri p t io n part s up da t e re m arks w arr. Cl as s 794 qty . 774 qty . 754 qty . 751 qty . 750 qty . Part num be r pail 023348 1 000 6 q t ./5 .7 l it e r pail 013163 1 1 1 1 000 10 q t . / 9 .5 li t e r pan -d r ip 05...

  • Page 47

    43 + available separately models 750, 751, 754, 774, 791, 794 parts list de s cri p t io n part s up da t e re m arks w arr. Cl as s 794 qty . 774 qty . 754 qty . 751 qty . 750 qty . Part num be r th er m o stat-ad j u s tabl e 049993 1 103 th er m o stat-h i l im it 049992 1 103 pan el a.-fr o n t ...

  • Page 48

    + available separately 44 parts list models 750, 751, 754, 774, 791, 794 de s cri p t io n part s up da t e re m arks w arr. Cl as s 794 qty . 774 qty . 754 qty . 751 qty . 750 qty . Part num be r +o -r in g 019330 2 000 spr in g -pl u n g er 032761 2 000 t u b e -di s cha rge 050912 2 103 tu be-pl ...

  • Page 49

    45 + available separately models 750, 751, 754, 774, 791, 794 parts list de s cri p t io n part s up da t e re m arks w arr. Cl as s 794 qty . 774 qty . 754 qty . 751 qty . 750 qty . Part num be r spr in g -r ig h t r etu r n 041661 1 1 103 s w it ch-m icro 028889 1 1 103 s w it ch a .-dra w x 38547...

  • Page 50

    + available separately 46 parts list models 750, 751, 754, 774, 791, 794 de s cri p t io n part s up da t e re m arks w arr. Cl as s 794 qty . 774 qty . 754 qty . 751 qty . 750 qty . Part num be r + b o o t -expan sio n val ve 050900 1 1 2 2 2 000 val ve-e.P.R . 022665 1 1 1 1 1 103 val ve a.-d r a ...

  • Page 51

    47 + available separately models 750, 751, 754, 774, 791, 794 parts list de s cri p t io n part s up da t e re m arks w arr. Cl as s 794 qty . 774 qty . 754 qty . 751 qty . 750 qty . Part num be r c o m p r esso r -c o pel an d 052397- 1 2 2 512 751- j 9053634/ u p 754- j 9036611/ u p 774- j 9041932...

  • Page 52

    + available separately 48 parts list models 750, 751, 754, 774, 791, 794 120613 model 791 de s cri p t io n part num be r 791 qty . W arr. Cl as s re m arks 079127r w 00 -- 208 --230v 60hz 1ph, 079133r w 00 -- 208 --230v 60hz 3ph -- 3 w ir e, w /c --bri st o l (r 404a) ,ro hs co m p li ant -- std ar...

  • Page 53

    49 + available separately models 750, 751, 754, 774, 791, 794 parts list de s cri p t io n re m arks w arr. Cl as s 791 qty . Part num be r +c a p a c it o r --s ta r t 60u f --220/ 275v 047703 1 103 +r el a y --st ar t --c o m pr esso r --t l3 g 047702 --27 1 103 +c a p a c it o r --s ta r t 60u f ...

  • Page 54

    + available separately 50 parts list models 750, 751, 754, 774, 791, 794 de s cri p t io n re m arks w arr. Cl as s 791 qty . Part num be r ge a r --re duce r 021286 --s e r 2 212 g u id ea .-- d r ipp a n x 45691 1 103 h a r n e s s --w ir e --d a n f o s s *794* 067147 --27 1 103 ha rne s s --w ir...

  • Page 55

    51 + available separately models 750, 751, 754, 774, 791, 794 parts list de s cri p t io n re m arks w arr. Cl as s 791 qty . Part num be r label --fl a v o r 036693 1 000 label --d o o r --w ar n --m o ve p ar t s 032749 1 000 label --sw --po wer --o ff/o n --sym bo ls 052632 1 000 label --w ar n -...

  • Page 56

    + available separately 52 parts list models 750, 751, 754, 774, 791, 794 de s cri p t io n re m arks w arr. Cl as s 791 qty . Part num be r p r ob e a .-- m ix out --s qua r e h ol e x 41348 2 103 sp ac er --pr o b e --s q u ar e h o le --7 /8 41346 2 103 sp ac er --pr o b e --r o u n d h o le --5 /...

  • Page 57

    53 + available separately models 750, 751, 754, 774, 791, 794 parts list de s cri p t io n re m arks w arr. Cl as s 791 qty . Part num be r s p r in g --e x t e n s io n .467x .062x 1. 069392 2 103 spr in g --r etu r n --l e ft --twin twis 038923 1 103 spr in g --r etu r n --r ig h t --t win t wi 03...

  • Page 58

    + available separately 54 parts list models 750, 751, 754, 774, 791, 794 de s cri p t io n re m arks w arr. Cl as s 791 qty . Part num be r 079133r w e w ,208 --230v 60hz 3ph -- 3 w ir e, w /c --bri st o l --( r 404a) ,ro hs co m p li ant ,adjust able f eed tube de ca l- -d oor --m e nchi e s --7 94...

  • Page 59

    55 + available separately models 750, 751, 754, 774, 791, 794 parts list de s cri p t io n re m arks w arr. Cl as s 791 qty . Part num be r 079133r w f d, 208 --230v 60hz 3ph -- 3 w ir e, w /c --bri st ol --( r 404a) ,rohs compli ant --rear mi x l ig hts, adj feed tube --rear pull handle adj feed tu...

  • Page 60

    + available separately 56 parts list models 750, 751, 754, 774, 791, 794 120427 de s cri p t io n re m arks w arr. Cl as s 791 qty . Part num be r +l abel --fl a v o r 036693 1 000 +o --r in g --13/ 16 o d x .103w 019330 6 000 +o --r in g --3/ 8 o d x .070w 016137 4 000 +o --r in g --5/ 16 o d x .07...

  • Page 61

    Models 750 & 751 052613--27 rev. 8/10

  • Page 62

    Models 750 & 751 052613--33 rev. 8/10

  • Page 63

    Models 750 & 751 052613--40 rev. 8/10

  • Page 64

    Models 750 & 751 052613--58 rev. 8/10

  • Page 65

    Models 754 & 774 046585--27 rev. 8/10

  • Page 66

    Models 754 & 774 046585--33 rev. 8/10

  • Page 67

    Model 791 069543--27 rev. 1/12.

  • Page 68

    Model 794 048199--27 rev. 5/11.

  • Page 69

    Model 794 048199--33 rev. 5/11.

  • Page 70

    Model 794 048199--62 rev. 5/11.