® Industrial 1122 1122-G INSTRUCTION MANUAL 1122-720/02 1122-G-720/02 This instruction manual applies to machines from the following serial numbers onwards: # 6 001 000 296-12-18 581/002 Betriebsanleitung engl. 06.
This Instruction Manual is valid for all models and subclasses listed in the chapter "Specifications ". The adjustment manual for the machines can be downloaded free of charge from the internet address www.pfaff-industrial.com/pfaff/de/service/downloads As an alternative to the internet download the adjustment manual can also be ordered in book form under part no. 296-12-18 582/002.
Contents Contents ................................................................................. Chapter - Page 1 1.01 1.02 1.03 1.04 1.05 1.05.01 1.05.02 1.06 Safety ........................................................................................................................... 1 - 1 Directives ...................................................................................................................... 1 - 1 General notes on safety ...................................................
Contents Contents ................................................................................. Chapter - Page 8.01.06 8.01.07 8.01.08 8.01.09 8.02 8.02.01 8.02.02 8.03 8.04 Mounting the bottom V-belt guard ................................................................................ 8 - 4 Mounting the top V-belt guard ...................................................................................... 8 - 5 Fitting the reel stand ...................................................................
Safety 1 Safety 1.01 Directives This machine is constructed in accordance with the European regulations contained in the conformity and manufacturer’s declarations.
Safety 1.03 Safety symbols Danger! Points to be observed. Danger of injury for operating and specialist personnel! Caution Do not operate without finger guard and safety devices. Before threading, changing bobbin and needle, cleaning etc. switch off main switch. I 1.04 Important points for the user ● This Instruction Manual is an integral part of the machine and must be available to the operating personnel at all times.
Safety 1.05 Operating and specialist personnel 1.05.01 Operating personnel Operating personnel are persons responsible for the equipping, operating and cleaning of the machine as well as for taking care of problems arising in the sewing area.
Safety 1.06 Danger A working area of 1 meter is to be kept free both in front of and behind the machine while it is in operation so that it is always easily accessible.
Proper use 2 Proper use The PFAFF 1122 is a two-needle, lockstich sewing machine with needle feed and vertical hook. The PFAFF 1122-G is a two-needle, lockstich sewing machine with needle feed and large vertical hook. The PFAFF 1122-720/.. is a two-needle, lockstich sewing machine with needle feed, vertical hook, and disengagable needles. The PFAFF 1122-G-720/.. is a two-needle, lockstich sewing machine with needle feed, large vertical hook and disengagable needles.
Specifications 3 Specifications 3.01 General specifications ▲ Stitch type: .................................................................................................. 310 (lockstitch) Needle system: ........................................................................................................... DPx5 Thread size: ..................................................................................................................
Specifications 3.02 Versions and subclasses Versions Version A: ..................................................................................... for sewing fine materials Version B: .................................................................. for sewing medium-weight materials Version C: .................................................................... for sewing medium-heavy materials Attachments: Subclass -900/93: .............................................................................
Disposal of machine 4 Disposal of machine ● The proper disposal of the machine is the responsibility of the customer. ● The materials used in the machines are steel, aluminium, brass and various plastics. The electrical equipment consists of plastics and copper. ● The machine is to be disposed of in accordance with the locally valid environmental protection regulations. If necessary, a specialist is to be commissioned.
Transport, packaging and storage 5 Transport, packaging and storage 5.01 Transport to the customer’s premises The machines are delivered completely packed. 5.02 Transport within the customer’s premises The manufacturer bears no liability for transport within the customer’s premises or to the individual locations of use. Make sure that the machines are always transported upright. 5.03 Disposal of the packaging The packaging of these machines consists of paper, cardboard and VCE fiber.
Explanation of the symbols 6 Explanation of the symbols In the following section of this Instruction Manual, certain tasks or important pieces of information are accentuated by symbols.
Controls 7 Controls 7.01 On/off switch ● Switch the machine on or off by turning main switch 1. The switch in the illustration can be found on machines with Quick motors. When other motors are used, the switch may not look the same. 1 Fig. 7 - 01 7.02 Pedal 0 0 = Machine stop +1 = Sew -1 = Raise presser foot (for machines with -910/93) -2 = Trim thread (for machines with -900/93) +1 Other pedal functions can be found in the Motor Instruction Manual. -1 Fig.
Controls 7.03 Lever for lifting the presser foot ● The presser foot is raised by turning lever 1. 1 Fig. 7 - 03 7.04 109-070 Knee lever ● By pressing the knee lever 1 in the direction of the arrow, the presser foot is raised. 1 109-005 Fig.
Controls 7.05 Key on the machine head (only on machines with backtacking device -911/93) ● If key 1 is pressed during the sewing operation, the machine switches to reverse sewing. 1 Fig. 7 - 05 7.06 Reverse feed key ● If key 1 is pressed during the sewing operation, the machine switches to reverse sewing. 1 Fig.
Controls 7.07 Stitch length adjustment wheel ● Set the required stitch length by turning adjustment wheel 1. 1 Fig. 7 - 07 7.08 Switching needles (only on machines with disengagable needles -720/02) ● When lever 1 is adjusted, the desired needle bar is disengaged. Position "R" = right needle off Position "L" = left needle off ● To release the lock on the needle bar, press key 2. 1 Before operating lever 1 or key 2, we recommend stopping the machine and raising the take-up lever.
Controls 7.09 Switch for the thread wiper (only on machines with thread wiper -909/93) ● The thread wiping function is switched on or off by pressing switch 1. Position "0" = off Position "I" = on 1 Fig.
Controls 7.10 Control panel (only on machines with Quick-motor) 2 4 1 3 SPEED TE ERROR 5 5 5 A B C 5 D The control panel consists of display 1 and the function keys described below. The display 1 consists of a single-line alpha-numerical, 7 segment LCD display with 8 symbols. The texts 2, located above and next to the LCD display, show the respective status of the function keys and the operating status of the machine.
Controls Start backtacks ● If this key is pressed, the backtacks at the beginning of the seam (start backtacks) are switched on or off. The number of forward stitches (A) or reverse stitches (B) for the start backtacks can be changed by pressing the +/- key underneath. To convert from double backtack to single backtack set the number of stitches for the corresponding seam section at zero. End backtacks ● If this key is pressed, the backtacks at the end of the seam (end backtacks) are switched on or off.
Installation and commissioning 8 Installation and commissioning The machine must only be installed and commissioned by qualified personnel! All relevant safety regulations must be strictly adhered to! If the machine is delivered without a table, be sure to use a stand and table top that can hold the weight of the machine with its motor. It is very important to ensure that the stand of the machine is firm and steady, also during sewing. 8.
Installation and commissioning 8.01.02 Assembling the oil pan 2 1 3 4 4 Fig. 8 - 02 ● ● ● ● 8.01.03 Insert rubber support 1. Insert bearing bushes 2 and fasten with nails. Place oil pan 3 in the table-top opening. Insert rubber pad 4 and fasten with nails. Mounting the sewing head ● Place both hinges 1 in the appropriate holes in the bedplate of the sewing head and screw tight. ● Place the sewing head with hinges 1 into the back rubber pads. 1 Fig.
Installation and commissioning 8.01.04 Assembling the motor (only on machines with Quick-motor) 1 2 4 3 109-001 Fig. 8 - 04 ● Assemble motor mounting 1, motor 2, belt guard support 3 and belt pulley 4 as shown in Fig. 8-04. 8.01.05 Tightening the V-belt ● Fit the V-belt. ● Loosen nut 1 and tighten the V-belt by turning motor mounting 2. ● Tighten nut 1. 1 2 109-020 Fig.
Installation and commissioning 8.01.06 Mounting the bottom V-belt guard 4 2 3 2 1 Fig. 8 - 06 109-071 ● Loosen screws 2 and adjust belt guard support 1 so that the motor pulley and V-belt run freely. ● Tighten screws 2. ● Fasten belt guard 3 with screw 4. Fig. 8-06 shows a Quick-motor. If a different motor is used, follow the instructions of the Motor Instruction Manual.
Installation and commissioning 8.01.07 Mounting the top V-belt guard 5 3 2 1 7 6 7 5 4 5 Fig. 8 - 07 ● ● ● ● 8.01.08 Take out screws 1 and 2 and remove balance wheel cover 3. Fasten belt guard 4 with screws 5. Fasten belt guard 6 with screws 7. Reattach cover 3 with screws 1 and 2. Fitting the reel stand ● Fit the reel stand as shown in Fig. 8 - 08. ● Afterwards insert the stand in the hole in the table top and secure it with nuts provided. Fig.
Installation and commissioning 8.01.09 Connecting the plug-in connections and earth cables B X1 A 3 X2 X4 X3 1 2 X5 Fig. 8 - 09 ● ● ● ● ● Connect the plug connections leading off the machine to adapter X5. Connect all plugs as labelled to the control box 1. Screw the earth cable from the sewing head and the main switch to earth point A. Connect earth point A to earth point B with earth cable 2. Screw the earth cable 3 from the motor to earth point B.
Installation and commissioning 8.02 Commissioning Before commissioning the machine, clean it thoroughly, fill the oil pan with oil and adjust the oil level, see Chapter 10 Care and Maintenance! ● Examine the machine, in particular the electric cables, for any damage. Have qualified personnel check whether the machine can be operated with the available voltage and whether it is connected properly.
Installation and commissioning 8.02.02 Basic position of the machine drive unit (only on machines with Quick motor) ● Switch on the machine. 2x ● Press the TE/speed key twice to select the input mode. TE 100 on ● Select parameter "798" by pressing the corresponding +/- key, and select service level C, see Chapter 12.08.01 Selecting the user level in the adjustment manual. TE 798 11 C ● Select parameter "799" by pressing the corresponding +/- key (selecting the machine class).
Installation and commissioning 8.03 8-9 Table top cutout.
Controlbox P 40 ED Drillholes for fastening the motor (Screwed inserts M8 x 30 ) Mounting the table top View: from the lower side Speedcontrolunit 8.
Setting up 9 Setting up All instructions and regulations in this instruction manual must be observed. Special attention must be given to all safety regulations! All setting-up work must only be done by personnel with the necessary training. For all setting-up work the machine must be isolated from its power supply by turning off the on/off switch or removing the machine plug from the electric power socket! 9.
Setting up 9.02 Winding the bobbin thread 2 1 3 4 Fig. 9 - 03 109-072 ● Place the empty bobbin 1 on bobbin winder spindle 2. ● Thread the thread as shown in Fig. 9-03 and wind it around the bobbin a few times in a clockwise direction. ● Adjust the thread tension by turning knurled screw 3. ● Push lever 4 in the direction of the arrow until it locks into place. The bobbin is filled during sewing.
Setting up 9.03 Changing the bobbin on the PFAFF 1122-720/02 1 2 3 Fig. 9 - 04 Fig. 9 - 05 109-023 Switch off the machine! Danger of injury if the machine is started accidentally! Removing the bobbin case ● Raise the take-up lever to its top position. ● Open the cover of the hook compartment, raise latch 1 and remove bobbin case 2. Threading the bobbin case ● Thread the bobbin as shown in Fig. 9-05. ● When the thread is drawn, the bobbin must turn in the direction of the arrow.
Setting up Changing the bobbin (on machines with drop-in hook) 3 1 4 2 Fig. 9 - 06 109-095 5 109-061 9.04 Fig. 9 - 07 Switch off the machine! Danger of injury if the machine is started accidentally! Raise the take-up lever to its top position. Open the cover of the hook compartment, raise latch 1 and remove empty bobbin 2. Insert the full bobbin and press down latch 1 again. Guide the bobbin thread under spring 4 through slot 3.
Setting up 9.05 Threading the needle thread / adjusting the needle thread tension 1 2 Fig. 9 - 08 Switch off the machine! Danger of injury if the machine is started accidentally! ● Thread the needle thread as shown in Fig. 9 - 08. ● Regulate the needle-thread tension by turning milled screw 1 or 2.
Setting up 9.06 Adjusting the stitch length ● Set the desired stitch length with adjustment wheel 1. 1 Fig. 9 - 09 9.07 Entering start and end backtacks (only on machines with Quick motor) ● Switch on the machine. 5 5 5 A B C 5 D ● If necessary switch off the "darning seam" or "counted seam" function.
Setting up 9.08 Setting the stitch counting function for monitoring the bobbin thread (only on machines with Quick motor) ● Switch on the machine. 2x 5 5 5 A B C 5 D ● Press the TE/speed key twice to select the input mode. TE 101 1 A ● Select parameter "798" and call up mechanics level B, see Chapter 12.08.01 Selecting the user level in the Adjustment Manual. ● Select parameter "760" by pressing the corresponding +/- key.
Care and maintenance 10 Care and maintenance 10.01 Maintenance intervals Clean the entire machine .............................................................................. once a week Clean the hook compartment .................... once a day, or more often if in continuous use Oil the machine ............................................................................................. once a week Oil the hook race ................
Care and maintenance Cleaning the hook compartment 109-080 10.03 Fig. 10 - 01 Fig. 10 - 02 Switch off the machine! Danger of injury if the machine is started accidentally! ● ● ● ● 10 - 2 Open the hook compartment covers. Remove the bobbins or bobbin cases. Clean the hook and hook compartment. Insert the bobbins or bobbin cases and close the hook compartment covers.
Care and maintenance 10.04 Oiling the machine 1 2 109-066 109-073 Fig. 10 - 03 Switch off the machine! Danger of injury if the machine is started accidentally! ● When required fill in oil through hole 1 to the top marking of gauge glass 2. ● In addition apply a few drops of oil once a week to the spots marked, see arrows in Fig. 10-03. Only use oil with a mean viscosity of 10.0 mm2/s at 40°C and a density of 0.847 g/cm3 at 15°C. We recommend PFAFF sewing machine oil, part no. 280-1-120 105.
Care and maintenance 10.05 Oiling the hook race Switch off the machine! Danger of injury if the machine is started accidentally! ● Before commissioning the machine and after long downtimes also apply a few drops of oil to the hook race, see arrow in Fig. 10-04. 109-082 Only use oil with a mean viscosity of 10.0 mm2/s at 40°C and a density of 0.847 g/cm3 at 15°C. We recommend PFAFF sewing machine oil, part no. 280-1-120 105. Fig. 10 - 04 10.
Care and maintenance 10.07 Oil disposal ● When required, unscrew oil collector 1 and dispose of the oil in accordance with the valid local environmental regulations. The oil must not get into the sewer system! Danger of damage to the environment! 1 109-083 Fig.
Wearing parts 11 Wearing parts This is a list of the most important wearing parts. A detailed parts list for the complete machine is included with the accessories. In case of loss, the parts list can be downloaded from the internet address www.pfaff-industrial.com/de/service/download/index.php3. As an alternative to the internet download the parts lists can also be ordered in book form under part no. 296-12-18 581.
Wearing parts J201-2970 (1122 A, B) J205-2970 (1122-720 A, B, C) J211-0940 (1122-900 A, B, C) J208-0020 (1122-G-720 A, B, C) J202-2970 (1122 C) J215-0020 (1122-G-900 A, B, C) J213-0940 (1122-720-900 A, B, C) J203-0180 (1122-G A, B, C) J221-0020 (1122-G-720-900 A, B, C) J501BJ101 J201-1180 (1122) J203-0060 (1122-G) J501GF108 11 - 2
PFAFF Industriesysteme und Maschinen AG Hans-Geiger-Str. 12 - IG Nord D-67661 Kaiserslautern Phone: Fax: E-mail: +49 - 631 200-0 +49 - 631 17202 info@pfaff-industrial.
