Pegasus WT100 Series, Instructions Manual

Page: 5 / 204

CONTENTS
Copyright . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Directives. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
1.Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
2.Indications of dangers, warnings & cautions . . . 3-4
3.Safety precautions . . . . . . . . . . . . . . . . . . . . . . . . 5-6
4.Notes for each procedure . . . . . . . . . . . . . . . . . 7-11
5.Location of warning labels and safety devices. . . . 12
6.Protectors for safety. . . . . . . . . . . . . . . . . . . . . 13-14
Assembling the machine rest board . . . . . . . . . . . 16
Sewing machine installation . . . . . . . . . . . . . . . . . 16
Installing the belt cover . . . . . . . . . . . . . . . . . . . . . 17
Operating direction of the machine pulley . . . . . . 17
Lubrication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18-19
Silicone oil for H.R. device . . . . . . . . . . . . . . . . . . . 19
Threading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20-21
Adjusting presser foot pressure . . . . . . . . . . . . . . 22
Adjusting stitch length . . . . . . . . . . . . . . . . . . . . . . 22
Adjusting the top feed front-to-back motion . . . . . 23
Adjusting the thread tension . . . . . . . . . . . . . . . . . 23
Cleaning the machine . . . . . . . . . . . . . . . . . . . . . . 23
Replacing the needle . . . . . . . . . . . . . . . . . . . . . . . 24
Oil replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
To drain the oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Checking and cleaning the oil filter . . . . . . . . . . . . 25
Adjusting the needle thread take-up and
needle thread guard . . . . . . . . . . . . . . . . . . . . . 26-27
Changing the specifications for soft stitches to
that for tight stitches . . . . . . . . . . . . . . . . . . . . . . . . 28
Changing the specifications for tight stitches to
that for soft stitches . . . . . . . . . . . . . . . . . . . . . . . . 29
Adjusting the needle thread guides . . . . . . . . . . . . 30
Adjusting the needle thread presser spring . . . . . . 30
Adjusting the looper thread take-up. . . . . . . . . . . . 31
Adjusting the looper thread guides . . . . . . . . . . . . 31
Adjusting the spreader . . . . . . . . . . . . . . . . . . . . 32-33
Adjusting the top cover thread guide . . . . . . . . . . 34
Adjusting the top feed dogs . . . . . . . . . . . . . . . . . . 35
Adjusting the top feed pressure . . . . . . . . . . . . . . . 35
Adjusting the presser foot lift . . . . . . . . . . . . . . . . . 36
Adjusting the needle height . . . . . . . . . . . . . . . . . . 37
Adjusting the looper . . . . . . . . . . . . . . . . . . . . . . . . 38
Adjusting the needle guard (rear) . . . . . . . . . . . . . 39
Adjusting the needle guard (front) . . . . . . . . . . . . . 39
Changing the needle bar stroke . . . . . . . . . . . . . . . 40
Changing the feed belts and the rollers . . . . . . . 41-42
■
Pneumatic UT
Application and performance . . . . . . . . . . . . . . . . . 44
Installing the pneumatic presser foot lift. . . . . . . . 45
Installing the filter regulator and solenoid valve
(Air lines for the pneumatic UT) . . . . . . . . . . . . . . . 45
Installing the position detector . . . . . . . . . . . . . . . 46
Connecting air lines for the pneumatic UT
(Pneumatic needle thread wiper) . . . . . . . . . . . . . 47
Connecting air lines for the pneumatic UT
(Pneumatic top cover thread wiper) . . . . . . . . . . . 48
Adjusting air pressure . . . . . . . . . . . . . . . . . . . . . . 49
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Adjusting the driving system . . . . . . . . . . . . . . . . . 51
Lower knife adjustment . . . . . . . . . . . . . . . . . . . 52-54
Upper knife adjustment . . . . . . . . . . . . . . . . . . . . . 55
Lower knife clamp spring adjustment . . . . . . . . . . 55
Under thread holder adjustment . . . . . . . . . . . . . . 56
Upper knife stopper adjustment . . . . . . . . . . . . . . 56
Knife holder guide clamp spring adjustment . . . . 57
To position the knives . . . . . . . . . . . . . . . . . . . . . . 57
Adjusting the pneumatic needle thread wiper (air wiper). . 58
Adjusting the pneumatic top cover thread trimmer . . 59
Adjusting the thread releaser . . . . . . . . . . . . . . . . . 60
Adjusting the safety switch . . . . . . . . . . . . . . . . . . 61
Adjustment dimentions . . . . . . . . . . . . . . . . . . . . . 62
Comparison table of equivalent sizes . . . . . . . . . . 62
Standard needle . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Subclass specifications . . . . . . . . . . . . . . . . . . . . . 63