Pfaff 3822-1/22 - Page 71

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PFAFF 71

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918-15N

Table of Contents

Default Chapter1
- Default Chapter1
- 1 Specifications5
- 2 Controls and Indicators6
  - Pedal Functions6
  - Twelve-Key Keypad7
- 3 Examination before Commissioning8
- 4 Setting up the Machine8
- 5 Compressed Air and Electrical Connection8
  - Compressed Air8
  - Electrical8
- 6 Switching the Machine on8
- 7 Switching the Machine off8
- 8 Checks10
  - Oil Level of Sewing Machine10
  - Rotating Direction10
- 9 Inserting the Needle12
10 Winding the Bobbin Thread12
11 Regulating the Winding Thread Tension12
12 Removing the Bobbin Case14
13 Threading the Bobbin Thread Tension14
14 Regulating the Bobbin Thread Tension14
15 Inserting the Bobbin Case14
16 Threading the Needle Thread14
17 Adjusting the Needle Thread Tension14
18 Checking and Adjusting Aid16
19 Needle to Needle Hole16
20 Neutral Position of Bottom Feed Dog18
21 Stitch Length Limitation18
22 Bottom Feed Actuating Lever18
23 Bottom Feed Dog Stroke20
24 Bottom Feed Lifting Motion20
25 Bottom Feed Dog Height22
26 Spacing between Presser Foot and Needle Plate22
27 Adjusting the Floating Foot24
- Height Adjustment24
- Distance Screw24
28 Top Feed Driving Link26
29 Top Feed Neutral Position26
30 Top Feed Driving Motion28
31 Top Feed Stroke28
32 Top Feed Lifting Motion30
33 Top Feed Foot Position30
34 Top Feed Synchronization30
35 Stitch Length Compensation32
36 Eccentric Hook Shaft Bearing32
37 Needle Height, Needle Rise and Hook Clearance34
38 Bobbin Case Opener Height34
39 Bobbin Case Opener Position36
40 Bobbin Case Opener Movement36
41 Needle Thread Tension Release38
42 Thread Check Spring and Thread Regulator38
43 Bobbin Winder38
44 Position of Vibrating Presser to Lifting Presser40
45 Pressure of Vibrating and Lifting Pressers40
46 Dismantling and Re-Fitting the Take-Up Lever42
- Dismantling42
- Re-Fitting42
47 Automatic Backtacking System44
48 Stitch Condensation System44
49 Edge Trimming System46
- Trimming Movement46
- Neutral Point46
- Knife Height46
- Positioning the Top Knife in Sewing Direction48
- Positioning the Top Knife Crosswise to Sewing Direction48
- Adjusting the Stop Eccentric48
50 Step-Cut Trimming Mechanism50
- Note on Motor Control50
- Preparations for Adjusting the Trimmer50
- Setting the Longest Knife Stroke50
- Setting the Top Reversal Point of the Knife50
- Positioning the Top Knife Bracket and Front Top Knife According to the Needle Plate52
- Cutting Angle of the Front Top Knife52
- Cutting Position of the Front Top Knife52
- Cutting Pressure of the Front Top Knife52
- Neutral Point of Top Knife Movement54
- Setting Top Knife at Highest Point54
- Positioning the Rear Top Knife and Hook Knife54
- Lateral Position of the Rear Top Knife to Hook Knife54
- Cutting Angle of the Rear Top Knife in Relation to the Hook Knife56
- Cutting Pressure between Rear Top Knife and Hook Knife56
- Setting the Cutting Depth of the Rear Top Knife in Relation to the Hook Knife58
- Settng the Cutting Depth of the Front Top Knife58
- Setting the Trimming Margin58
- Basic Adjustments on the Top Knife Mounting60
- 50.11.1 Cutting Angle of the Rear Top Knife60
- Sensor Controlled Monitoring of the Hook Knife62
- Function62
- Sensor Adjustment62
- 50.12.3 Fault Finding and Remedy64
51 Airblast for Ply Separation66
52 Airblast for Cutting Waste66
53 Differential Quick Adjusting Device for Altering the Fullness68
- Zeroing the Rapid Differential Adjustment68
  - Rough Adjustment on the Angle Encoder68
- Precise Adjustment on Pot "068
- Key Arrangement to Set Pointer 170
- Key "0" and "1 to 470
  - Keys "5 to 770
- Basic Setting of the Fullness Quantities of Keys "1 to 770
- Adjustment of Fullness Key "170
- Adjustment of Fullness Key "270
- Feed Lever72
- Sample Adjustment of the Potentiometer74
54 Care and Maintenance76
- Sewing Machine76
  - Oiling the Sewing Machine76
- Cleaning the Sewing Machine76
- Air Filter/Lubricator76
- Water Trop Bowl76
  - Air Filter76
- Recommended Lubricants77

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