Pfaff 1181 Adjustment Manual
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Also See for 1181:
- Adjustment manual (54 pages) ,
- Instruction manual (52 pages) ,
- Supplement to the instruction manual (32 pages)
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Summary of Contents for Pfaff 1181
- Page 1 1181 1183 Adjustment Manual 1181-D 1183-D This Adjustment Manual is valid for machines from the following serial numbers onwards: 6 001 000 296-12-18 710/002 Justieranleitung engl. 06.04...
- Page 2 The reprinting, copying or translation of PFAFF Service Manuals, whether in whole or in part, is only permitted with our previous authorization and with written reference to the source. PFAFF Industrie Maschinen AG Postfach 3020 D-67653 Kaiserslautern Königstr. 154 D-67655 Kaiserslautern...
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Page 3: Table Of Contents
Needle to needle hole centre (on PFAFF 1181) ............13 - 12 05.11 Synchronous strokes of needle- and drop feed (only on PFAFF 1181) ..... 13 - 13 05.12 Hook shaft bearing and toothed belt tension ............13 - 14 05.13... -
Page 4: Contents
Contents Contents ................Chapter - Page 07.06 Needle thread tension release ................. 13 - 35 07.07 Readjusting the control cam ..................13 - 36 Adjusting the thread wiper -909/04 ................13 - 37 08.01 Thread wiper movement ..................13 - 37 08.02 Thread wiper position .................... -
Page 5: Adjustment
Adjustment Adjustment On the PFAFF 1181 and 1183 do not use a screw clamp on the needle bar! The special coating of the needle bar could be damaged. Please observe all notes from Chapter 1 Safety of the instruction manual! In particular care must be taken to see that all protective devices are refitted properly after adjustment, see Chapter 1.06 Danger warnings of the... -
Page 6: Checking And Adjusting Aids
Adjustment Checking and adjusting aids With the aid of blocking pin 1 (part No. 13-033346-05) and if necessary adjustment gauge 3 (part No. 61-111 639-70) the machine can be blocked in the following positions for adjustment Fig. 13 - 01 Needle bar position 1.8 mm past b.d.c. -
Page 7: Adjusting The Basic Machine
Adjustment Adjusting the basic machine Basic position of the machine drive .05.01 This adjustment is only required if toothed belt 2 has been removed. Requirement When the needle bar position is 0.6 mm above the BDC, the marks on the machine housing 3 and toothed belt wheel 1 must be flush with each other. -
Page 8: Preadjusting The Needle Height
Adjustment Preadjusting the needle height .05.02 Requirement When the needle bar is positioned 1.8 mm above BDC, the mark on the needle bar 1 must be flush with the bottom edge of the needle bar frame 3. Fig. 13 - 03 ●... -
Page 9: Bottom Feed Neutral Position
Adjustment Bottom feed neutral position 05.03 Requirement " " At stitch length setting , cranks 1 and 3 must be flush and the feed dog must not make any feeding motion when the balance wheel is turned. Fig. 13 - 04 ●... -
Page 10: Neutral Position Of The Needle Feed (Only On Pfaff 1181)
Adjustment Neutral position of the needle feed .05.04 (only on PFAFF 1181) Requirement " " At stitch length setting the needle bar must not make any feeding motion when the balance wheel is turned. Fig. 13 - 05 ● Set stitch length "... -
Page 11: Bottom Feed Lifting Motion
" " At stitch length setting and needle bar position 0.6 past b.d.c. on the PFAFF 1181 and at needle bar position t.d.c. on the PFAFF 1183, 1. the bottom feed dog must be at its highest position, 2. control cam 3 must rest on lifting eccentric 1. -
Page 12: Bottom Feed Dog Height
Adjustment Bottom feed dog height .05.06 Requirement " " When feed dog 1 is at its highest point at stitch length setting it must 1. be centred in the feed slot crosswise and in feeding direction 2. Rest on feed dog adjustment gauge 2 over its entire length. 57-34 Fig. -
Page 13: Feed Dog Motion Of Bottom Feed Dog
05.07 Requirement With the needle bar at a position 0.6 past b.d.c. on the PFAFF 1181 or in position 0.6 past t.d.c. on the PFAFF 1183 the feed dog must not make any feeding motion when reverse- feed lever 3 is operated at the longest stitch length setting. -
Page 14: Feeding Motion Of Needle Feed (Only On Pfaff 1181)
Adjustment Feeding motion of needle feed .05.08 (only on PFAFF 1181) Requirement When the longest stitch length is set and the needle bar is positioned 0.6 mm past b.d.c., the needle should not move when the reverse-feed key 4 is operated. -
Page 15: Needle In Needle Hole Center (Only On Pfaff 1183)
Adjustment Needle in needle hole center .05.09 (only on PFAFF 1183) Requirement The needle must penetrate the needle hole exactly in the middle. Fig. 13 - 10 ● Set the needle in the needle hole. ● Loosen screws 1, 2 and 3. -
Page 16: Needle To Needle Hole Centre (On Pfaff 1181)
Adjustment Needle to needle hole centre .05.10 (on PFAFF 1181) Requirement The needle must enter excatly in the centre of the needle hole. Fig. 13 - 11 ● Set stitch length "0". ● Set the needle in the needle hole by turning the balance wheel ●... -
Page 17: Synchronous Strokes Of Needle- And Drop Feed (Only On Pfaff 1181)
Adjustment Synchronous strokes of needle- and drop .05.11 feed (only on PFAFF 1181) Requirement At the longest stitch length setting the needle and feed dog must move by the same stroke when the balance wheel is turned. Fig. 13 - 12 ●... -
Page 18: Hook Shaft Bearing And Toothed Belt Tension
Adjustment Hook shaft bearing and toothed belt tension .05.12 Requirement 1. The front edge of the hook shaft 6 must be at a distance of 14.5 mm to the needle center. At the same time, the slot in the hook shaft bearing 1 (see arrow) must be paral- lel to the bedplate and pointing opposite to the direction of sewing. -
Page 19: Hook Lubrication
Adjustment Hook lubrication .05.13 Requirement 1. The centrifugal disk 1 must be positioned 1.5 mm in front of the oil ring 3. 2. When the machine is running at full speed, after approx. 10 seconds a mark should be made by a fine stripe of oil on the strip of paper placed over the needle plate cutout. Fig. -
Page 20: Needle Rise, Hook-To-Needle Clearance, Needle Height And Bobbin Case Position Finger
Adjustment Needle rise, hook-to-needle clearance, needle height and bobbin case position finger .05.14 Requirement With the needle at 1.8 mm after BDC, 1. the hook point 6 must point to the middle of the needle and be at a distance of 0.05 mm - 0.1 mm to the clearance cut of the needle, and 2. -
Page 21: Thread Check Spring And Slack Thread Regulator
Adjustment Thread check spring and slack thread regulator .05.15 Requirement 1. The motion of the thread check spring must be completed when the needle point enters the material (spring stroke approx. 7 mm). 2. When the thread loop is at its largest when going around the hook, the thread check sp- ring must have moved by approx. -
Page 22: Position Of Knee Lever
Adjustment Position of knee lever .05.16 Requirement 1. When the knee lever is in its resting position, the axle 5 must be parallel to the bedplate. 2. When the presser foot is resting on the needle plate, the presser bar lifting lever 6 must be touching the circlip 8 lightly and be at a distance of approx. -
Page 23: Knee Lever Stop
Adjustment Knee lever stop .05.17 Requirement When the knee lever is fully actuated, 1. the presser foot must be raised approx. 9 mm (or approx. 13 mm for a large needle bar stroke) above the needle plate, and 2. lever 3 must swing down automatically. Fig. -
Page 24: Bobbin Winder
Adjustment Bobbin winder .05.18 Requirement 1. With the bobbin winder on, the drive wheel 1 must engage reliably. 2. With the bobbin winder off, the friction wheel 5 must not be driven by the drive wheel 1. 3. The bobbin winder must turn off automatically when the thread level is approx. 1 mm from the edge of the bobbin. -
Page 25: Limiting The Stitch Length
Adjustment Limiting the stitch length .05.19 The maximum stitch length which can be selected can be limited mechanically. Fig. 13 - 20 When using Version A and B part sets, the maximum adjustable stitch length must not be larger than 3.0 or 4.5 mm (see chapter 3 Specifications)! ●... -
Page 26: Stitch Length Adaptation
Adjustment Stitch length adaptation .05.20 Requirement Forward and reverse stitches should have the same length. Fig. 13 - 20a ● Turn eccentric 1 (screw 2) according to Requirement. 13 - 22... -
Page 27: Presser Foot Pressure
Adjustment Presser foot pressure .05.21 Requirement The material must be fed reliably. In the process, pressure marks on the material must not be made. Fig. 13 - 21 ● Turn screw 1 in accordance with the requirement. 13 - 23... -
Page 28: Modifying The Needle Bar Stroke
Adjustment Modifying the needle bar stroke .05.22 The needle bar stroke is preset in the factory according to requirement. The needle bar stroke can be modified later if specific operating conditions make it necessary to do so. Fig. 13 - 22 When the needle bar stroke is altered, it is absolutely necessary to readjust the needle height! With a 36 mm needle bar stroke, the maximum speed must be limited to 3800 spm. -
Page 29: Adjusting The Edge Trimmer -731/01
Adjustment Adjusting the edge trimmer –731/01 Zero position of the knife .06.01 Requirement With the edge trimmer switched off, the knife should not move when the balance wheel is turned. Fig. 13 - 23 ● Turn crank 1 (screw 2) according to the requirement. 13 - 25... -
Page 30: Cutting Motion
.06.02 Requirement With the edge trimmer switched on and the needle bar at its t.d.c. on the PFAFF 1183, or at its b.d.c. on the PFAFF 1181, the knife should be at the top of its stroke. Fig. 13 - 24 ●... -
Page 31: Knife Height
Adjustment Knife height .06.03 Requirement When the knife is at the bottom of its stroke, the front edge of the knife blade should be approx. 0.5 mm below the top edge of the stationary knife. 0.5 mm Fig. 13 - 25 ●... -
Page 32: Knife Position In Sewing Direction
Adjustment Knife position in sewing direction .06.04 Requirement When the needle is at its b.d.c., the centre of the knife blade should be positioned at "needle centre". Fig. 13 - 26 ● Adjust knife bracket 1 (screw 2) according to the requirement. 13 - 28... -
Page 33: Knife Position Crosswise To Sewing Direction
Adjustment Knife position crosswise to sewing direction .06.05 Requirement The knife should be resting on the stationary knife 3 with light pressure. Fig. 13 - 27 ● Adjust knife bracket 1 (screw 2) according to the requirement. 13 - 29... -
Page 34: Adjusting The Thread Trimming Device -900/24
Adjustment Adjusting the thread trimming device -900/24 Adjusting the solenoid / preliminary adjustment of the control cam .0.01 Requirement 1. When solenoid 3 is completely extended, roller lever 4 should be at the lowest point of the control cam. 2. When the needle bar is positioned at 1.8 mm after b.d.c. (needle rise position), roller lever 4 should engage in the appropriate recess of the control cam. -
Page 35: Lateral Alignment Of The Thread Catcher
Adjustment Lateral alignment of the thread catcher .07.02 Requirement 1. The tip of the thread catcher 5 must point exactly to the center of the needle. 2. The thread catcher 5 must be horizontal. It must not graze anything when it is operating. Fig. -
Page 36: Knife Position
Adjustment Knife position .07.03 Requirement 1. There must be a distance of 4 mm between the cutting edge of the knife and the needle. 2. The right edge of the knife 1 must not extend beyond the right edge of the thread catcher (see arrow). -
Page 37: Front Point Of Reversal Of The Thread Catcher
Adjustment Front point of reversal of the thread catcher .07.04 Requirement At the front point of reversal of thread catcher 4, the tip of the thread catcher cutout should be 1 mm in front of the bobbin case position finger 5. 89-025 Fig. -
Page 38: Manual Trimming Check
Adjustment Manual trimming check .07.05 Requirement Two threads must be cut perfectly both left and right in the cutout of thread catcher 1. Fig. 13 - 32 ● Move thread catcher 1 by hand to its front point of reversal. ●... -
Page 39: Needle Thread Tension Release
Adjustment Needle thread tension release .07.06 Requirement 1. The magnet lift should be 1.5 mm. 2. When the magnet 5 is operated by hand, there should be a distance of at least 0.5 mm between the tension discs 6. 0.5 mm Fig. -
Page 40: Readjusting The Control Cam
Adjustment Readjusting the control cam .07.07 Requirement When the take-up lever is in its t.d.c., control cam 1 should have moved thread catcher 3. Fig. 13 - 34 ● Adjust control cam 1 (screws 2) according to the requirement. 13 - 36... -
Page 41: Adjusting The Thread Wiper -909/04
Adjustment Adjusting the thread wiper -909/04 Thread wiper movement .08.01 Requirement 1. The thread wiper 5 must not strike against anything when it is moving. 2. When the take-up lever is at TDC, the thread wiper 5 is to move under the needle point and clear it by approx. -
Page 42: Thread Wiper Position
Adjustment Thread wiper position .08.02 Requirement Seen from the direction of sewing 1. The point of the thread wiper 5 must be approx. 1 - 1.5 mm to the right of the needle, 2. The thread wiper 5 must be approx. 2 mm in front of the needle in its foremost position. -
Page 43: Adjusting The Automatic Presser Foot Lift -910/06
Adjustment Adjusting the automatic presser foot lift -910/06 Requirement When the automatic presser foot lift is operated, the clearance between the presser foot and the needle plate must be 9 mm for a small needle bar stroke and 13 mm for a large needle bar stroke. -
Page 44: Adjusting The Back-Tacking Mechanism -911/37
Adjustment Adjusting the back-tacking mechanism –911/37 Regel When the longest stitch length is set, the reverse-feed control switch 3 operated and the plunger extended, lever 1 should not touch the bed-plate. Fig. 13 - 38 ● Adjust lever 1 (screw 2) according to the requirement. 13 - 40... -
Page 45: Parameter Settings
Adjustment Parameter settings Selecting the user level .11.01 ● Switch on the machine. ● Press the TE/Speed key twice to call up the input mode. ● By pressing the corresponding +/- key select the parameter group "798". ● By pressing the corresponding +/- key select the desired user level: "0"... -
Page 46: Example Of A Parameter Input
Adjustment Example of a parameter input .11.02 ● Switch on the machine. ● Press the TE/Speed key twice to select the input mode. ● By pressing the corresponding plus/minus key select parameter "798" and the desired user level, see Chapter 11.01 Selecting the user level. -
Page 47: Liste Der Parameter
Adjustment Liste der Parameter .11.03 Control panel beep tone A, B, C Speed display B, C Speed max. B, C 300 - 6000 4000 Cutting speed B, C 60 - 500 Bobbin thread control A,B,C 0 - 2 0 = off 1 = thread monitor 2 = reverse counter Needle postion 0... -
Page 48: Reset / Cold Start
Adjustment Reset / Cold start .11.04 After selecting the reset menu, by pressing the corresponding key it is possible to delete seam parameters, delete seam programs and to carry out a cold start. ● Press and hold "+" on keys A and D and switch on the machine, see Chapter 7.01 Main switch. -
Page 49: Internet Update Of The Machine Software
Adjustment Internet update of the machine software The machine software can be updated with PFAFF flash programming. For this purpose the PFP boot program and the appropriate control software for the machine type must be installed on a PC. To transfer the data to the machine, the PC and the machine control unit must be connected with an appropriate null modem cable (part no. -
Page 50: Explanation Of The Error Signals
Adjustment Explanation of the error signals Signal Description E001 Pedal not in neutral position E009 Start inhibitor during standstill E010 Incorrect machine class E062 Short circuit 24V E063 Overload mains supply circuit E064 Network monitoring E065 Extint low in operation E066 Short circuit E067 Network off E068 Extint low in operation... -
Page 51: Circuit Diagrams
Circuit diagrams Circuit diagrams Circuit diagram reference list Controller Quick P40 ED Keyboard on machine head Sewing head recognition system Control panel S1 Sewing lamp Sewing motor Main switch Pedal speed control unit A2/S1 Bartack key on A2/S2 Needle position change key A2/S3 Bartack suppression key Suction OFF key... - Page 52 Circuit diagrams 91-791 229-95 Version 05.06.03 Page 1 14 - 2...
- Page 53 91-791 229-95 Circuit diagrams Page 2 Version 05.06.03 14 - 3...
- Page 54 PFAFF Industrie Maschinen AG Postfach 3020 D-67653 Kaiserslautern Königstr. 154 D-67655 Kaiserslautern Telefon: (0631) 200-0 Telefax: (0631) 17202 E-Mail: info@pfaff-industrial.com...