JUKI UnionSpecial 36200UAD52, Adjusting Instructions / Illustrated Parts List

Page: 3 / 64

3
CONTENTS (CONT.)
SETTING THE STITCH LENGTH ...................................................................................................................................................... 15
DIFFERENTIAL FEED CONTROL ................................................................................................................................................... 15
SETTING THE PRESSER FOOT ....................................................................................................................................................... 15
SETTING THE PRESSER FOOT (CONT.) ........................................................................................................................................ 16
SETTING THE PRESSER FOOT (CONT.) ........................................................................................................................................ 17
SETTING THE KNIFE DRIVE LEVER ................................................................................................................................................ 17
SETTING THE KNIFE DRIVE LEVER (CONT.) ................................................................................................................................. 18
SETTING THE TRIMMING KNIVES FOR LAP SEAMING (ALL STYLES ) ......................................................................................... 18
SETTING THE TRIMMING KNIVES (ALL STYLES) (CONT.) ............................................................................................................ 19
NEEDLE THREAD ADJUSTMENTS ................................................................................................................................................. 19
LOOPER THREAD ADJUSTMENT .................................................................................................................................................. 20
COVER THREAD ADJUSTMENT ................................................................................................................................................... 20
TENSION RELEASE ....................................................................................................................................................................... 20
HUNG FOOT ADJUSTMENT ......................................................................................................................................................... 21
SETTING THE LAP FORMER .......................................................................................................................................................... 21
LAP SEAMING ............................................................................................................................................................................. 21
OIL SIGHT GAUGES, TOP COVERS & MISCELLANEOUS TAKEUP & EYELET PARTS .................................................................... 23
MAIN FRAME, BUSHINGS & MISCELLANEOUS EYELET & COVER PARTS .................................................................................. 25
MAIN SHAFT & MISCELLANEOUS OILING ................................................................................................................................. 27
CRANKSHAFT & NEEDLE LEVER PARTS ....................................................................................................................................... 29
TENSION PARTS .......................................................................................................................................................................... 31
DETACHABLE HEAD, HEAD COVERS, NEEDLE BAR & NEEDLE BAR HEAD ................................................................................ 33
DETACHABLE HEAD, HEAD COVERS, NEEDLE BAR & NEEDLE BAR HEAD ................................................................................ 35
DIFFERENTIAL & MAIN FEED BARS, FEED DOGS & FEED LIFT ECCENTRIC ASSEMBLY .............................................................. 37
FEED DRIVE ASSEMBLY, FEED ROCKER & LOOPER AVOID PARTS ......................................................................................... 39
KNIFE DRIVING PARTS ................................................................................................................................................................ 41
LOOPER ROCKER SHAFT & LOOPER ROCKER DRIVE PARTS ..................................................................................................... 43
LAP FORMER, MISCELLANEOUS CYLINDER COVERS, THROAT PLATE, & CHAIN CUTTING KNIFE ........................................... 45
CYLINDER BUSHINGS, DIFFERENTIAL FEED CONTROL ASSEMBLY & MISCELLANEOUS CYLINDER COVERS ........................ 47
PRESSER FOOT FOR 36200UED52, 60 ......................................................................................................................................... 49
PRESSER FOOT 36200UYD52, 60 ................................................................................................................................................ 51
PRESSER FOOT SHOE CHART ...................................................................................................................................................... 52
PRESSER FOOT SHOE CHART ...................................................................................................................................................... 53
THREAD STAND ........................................................................................................................................................................... 55
MISCELLANEOUS GAUGES & TAPE REEL PARTS ........................................................................................................................ 57
THREAD LUBRICATOR ................................................................................................................................................................. 59
NUMERICAL INDEX OF PARTS .................................................................................................................................................... 60
NUMERICAL INDEX OF PARTS .................................................................................................................................................... 61
IDENTIFICATION OF MACHINES
Each UNION SPECIAL machine is identified by a style number, which is stamped into the style plate affixed to the middle of the
machine under the tension assembly.
The serial number is stamped in the casting at the right rear base of the machine.
TORQUE REQUIREMENTS
Torque (measured in inch-pounds) is a rotating force (in pounds applied through a distance by a lever (in inches or feet). This is
accomplished by a wrench, screwdriver, etc. Many of these devices are available, which when set at the proper amount of torque
will tighten the part to the correct amount and no tighter.
All straps and eccentrics should be tightened to 19-21 inch-pounds (22-24cm/kg) unless otherwise noted.
All other nuts, bolts, screws, etc. should be tightened by hand as tightly as possible, unless otherwise noted.
DESCRIPTION OF MACHINES
Universal style, Feed-off-the-arm, high speed, medium throw, five or six thread machine. There are four needles and one retainer
abreast, one looper and a manually adjusted differential feed control. There is an enclosed automatic lubricating system, filter
type oil return pump, visual sight oil action and supply gauges. The maximum work space in front of the needles is 8 inches
(203.2mm). Recommended maximum speed - 4200 R.P.M. for all Styles. Machines can be used on either table or pedestal mount.