Adler 195 Service Manual

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General safety instructions

Service Manual Cl.195

1. General

1.1 Adjustment Aids . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

1.2 Set of Gauges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

2. Setting the Machine Head

2.1 Adjustment Disc to the Arm Shaft Crank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

2.2 Setting the Lower Timing Belt Pulley . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

2.3 Needle Bar L ink

2.3.1 General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

2.3.2 Setting the Link Holder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

2.3.3 Clearance of the Transport Foot Bar to the Material Pressing Bar . . . . . . . . . . . . . . 12

2.4 Adjustment Wheels

2.4.1 Adjustment Wheels for Stitch Length, Stitch Length Limitation and Stitch Condensation . . 13

2.4.2 Adjustment Wheel for the Pressure Foot Stroke Height . . . . . . . . . . . . . . . . . . . . 14

2.5 Pressure Feet

2.5.1 0-Setting of the Stitch Actuator for the Top Transport . . . . . . . . . . . . . . . . . . . . . 15

2.5.2 Timing of the Advancing Movement of the Transport Foot . . . . . . . . . . . . . . . . . . . 16

2.5.3 Stroke Adjustment Range and Timing of the Stroke Movement of the Transport Foot . . . 17

2.5.4 Fine Adjustment of the Pressure Feet Alternation Timing . . . . . . . . . . . . . . . . . . . 18

2.6 Pressure Foot Lift

2.6.1 Play in the Lift Mechanics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

2.6.2 Height of the Raised Pressure Feet / Lift Limitation . . . . . . . . . . . . . . . . . . . . . . 20

2.6.3 Setting the Interception Angle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

2.6.4 Height of the Pressure Feet arrested in the Raised Position . . . . . . . . . . . . . . . . . 22

2.7 Rocker Bolt for Hook Drive and Left Lower Shaft Bearing . . . . . . . . . . . . . . . . . . . 23

2.8 Setting the Hook Drive Housing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

2.9 Needle Avoidance Movement of the Hook (Ellipse Width) . . . . . . . . . . . . . . . . . . . 25, 26

2.10 Symmetry of Looper Motion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

2.11 Hook in the Hook Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

2.12 Loop Stroke and Needle Bar Height . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

2.13 Needle Guard and Need l e G u ar d -pl a te

2.13.1 Needle guard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

2.13.2 Needle guard-plate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

2.14 Transporter

2.14.1 Position of the Transporter in the Stitch Bed Slot . . . . . . . . . . . . . . . . . . . . . . . . 31

2.14.2 Height of the Transporter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

2.14.3 Thrust Movement of the Transporter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

2.14.4 Stroke Movement of the Transporter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

2.15 Check Spring on the Hook . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

2.16 Thread Take-up Disc . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Contents Page:

2.17 Thread Trimmer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37, 38

2.18 Setting the Edge Cutter

2.18.1 Changing the Knife Stroke . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

2.18.2 Setting the Upper Knife in the Direction of Sewing . . . . . . . . . . . . . . . . . . . . . . 40

2.18.3 Stop Position of the Knife Bar When Shut Off . . . . . . . . . . . . . . . . . . . . . . . . . 41

2.18.4 Height Setting and Lateral Adjustment of the Upper Knife . . . . . . . . . . . . . . . . . . 42

2.18.5 Setting the Eccentric of the Upper Shaft . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

2.19 Thread Guides (Airbag) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

2.20 Synchronizer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

2.20.1 Programming the Positions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Appendix

1. General

ATTENTION !

The work described in the Service Manual may on be conducted by duly authori ze d or approriately t r ai n ed pe rs on ne l !

Caution Risk of Injury !

When repairing, converting or doing maintentance work turn off the main switch and disconnect the machine from the pneumatic supply.

Adjustments and function testing on the running machine are to be conducted onl y b y str i c t est adherence to all s af et y me as u r es a nd extreme caut i on .

This Service Manual describes in useful order the adjustments to the sewing machi n e.

Here it is to be no te d t ha t v a ri ou s s et ti n gs a r e i n te rde pe nd en t. Therefore the adjustments must be conducted in the order described.

For all adjustments on stitch-building parts a new, flawless needle must be used.

1.1 Adjustment Aids

Direction of rotation

The machine head is equipped with adjustment aids which make possible a q ui ck a nd pr e c is e s e tt i ng of al l e l em en ts .

To these adjustment aids belong the handwheel with the letters

D, E

and F, as well as the built-in adjustment disc with 5 different

holes. The individu al s e tt i ng po s i ti o ns are set with an tim i ng pi n . I t is i n c l ud ed

in the package accompanying the machine.

–

Turn the handwheel to the position described for the setting.

–

Plug the timi n g p i n 3 i nt o t he hole in the mach ine housing.

–

Turn the handwheel a little back and forth until the pin catches in the appropriate hole.

–

Slot A of the adjus t me nt di s c h as t he de epest slot. The slots B to F have the same depth.

A, B,

Slot Position Setting

A Needle bar 2 mm - Position of the adjustment disc on the arm shaft

behind lower dead center - Timing of the advancing movement of the transport foot

- Reference point of the synchronizer

B Needle bar at - Thread take-up disc

upper dead cen te r - Stroke and Thr u st ec c e nt r i c

- Clearance of the transport foot bar to the pressure foot bar

- Rest for the transporter and transport foot when the hand lever i s op er a te d

D Thread lever close in front of - Eccentric for the stroke drive

lower dead center - Timing of the stroke movement of the transport foot

F - Setting of the lower timing belt pulley, loop stroke

and needle ba r he i gh t

E and

- Symmetry of l oo pe r mo ti o n

1.2 Set of Gauges

Gauge Order no. Setting

The adjustme nt ga ug es l i sted as follows mak e a p r ec is e s et ti n g a nd testing of the machine possible.

The timing pi n no . 3 i s inc l u de d i n th e p ac k a ge ac co mp anying every machine. It allows the handwheel positions A to F necessary for settings to be locked in.

1 - Gauge 195 002962 - Setting th e l e ft l ow er s h af t b ea r i ng

(optionally also 933 735 + 2 mm)

2 - Gauge 195 002966 - Setting th e h oo k dr iv e ho us i n g

(optionally also 933 739K + 2,5 mm)

3 - Timing pin (in the 791 001152 - Arresting the handwheel in one of the positions A to F enclosed p ackage)

4 - Dial Gaug e 171 000981 - For measuring th e n ee dl e av o i da nc e mo v em en t

of the hook drive. 5 - Gauge 171 000975 - Inclining the hook to 89° 30‘ 6 - Gauge 933 080192 - Equidist a nt s ymm etry of looper moti o n 7 - Gauge 933 000740 - Height of th e t hread take-up disc 8 - Gauge (in th e 933 000758 - Thrust ecc e nt ri c for th e tra ns p or t er

enclosed p ackage) 9 - Gauge 491 079997 - 0-settin g o f t he up pe r st itch actuator 10 - Gauge 491 079996 - Stroke ad jus t me nt range of the press u re feet 11 - Adjustment plate 195 002980 - Stitch length limitation in the adjustment wheels. 12 - Oil dip s ti c k 965 000871 - Checking th e o i l lev e l i n t he ho ok d r iv e h ou s i ng 13 - Gauge 195 002988 - Setting ga ug e f or t he th r ea d t r i mm er

(Cutting trial out of the machine)

2. Setting the Machine Head

2.1 Adjustment Disc to the Arm Shaft Crank

The slot A in the adjustment disc must be aligned with the groove 2 in the arm shaft c rank.

Only in this position are all other settings to be made with the adjustment disc correct.

Caution Risk of Injury!

Turn off main switch before adjusting.

–

Place adjus t i ng pi n 3 o f t he ga ug e s e t t hr o ug h t he ho l e i n th e housing into the groove 2 in the arm shaft crank.

–

With a second adjusting pin (or 5 mm drill bit) check to see if in this position ad j us t i ng pi n 4 c a tch es i n po s i ti o n A of the adjustment disc.

–

Screw off the ar m c o ver.

–

Slide the timing belt to the left on the belt disc and loosen the screws. For this pro c ed ure us e a r o un d s p i nd le and turn the handwh ee l .

–

Place adjus t i ng pi n 3 o f t he ga ug e s e t t hr o ug h t he ho l e i n th e housing into the groove 2 of the arm shaft crank.

–

Arrest the adjustment disc in position A.

–

Press the timing belt pulley to th e r i g ht ag ai n s t t he ad j us t i ng pi n and tighten the screws.

–

Remove the adj ust i ng pi n s.

–

Turn the handwheel until the timing belt again lies in the middle of the timing belt pulley.

2.2 Setting the Lower Timing Belt Pulley

The screws of th e lo we r tim i ng be l t p ul le y s houl d be i n t he po si ti o n shown when the machine is arrested in position F.

Caution Risk of Injury!

Turn off main switch before adjusting.

–

Arrest the ma chi n e i n po s i ti o n F.

–

If the screw s ar e ou t o f p os i t i on fi rs t s et th e p os i t i on of th e u pp er timing belt pulley (Chapter 2.1).

–

Remove the timing belt from the upper timing belt pulley.

–

Rotate the lower timing belt pulley until both screws are in the position sh ow n.

–

Refit the timing belt.

–

Check all following settings or readjust.

2.3 Needle Bar Link

2.3.1 General Information

The 195 is equ i pp ed wit h a s pl i t ne ed le b ar l in k . The fixed part of the needle bar is s cr ew ed di re c tl y t o t he cas t bo dy.

The second pa rt with the transpo rt f oo t b ar is a tt ac h ed mo v ea bly. The screw 1 with yellow paint and secured against turning with

adhesive mus t l i e o n in the arm. The guide bolt 2 (in the link) and the right hand guide bolt 3 in the arm

have been set at the factory so that the link moves easily with no play. The positions of the two guide bolts must

not

be altered.

2.3.2 Setting the Link Holder

The link holder 6 must be parallel to the lower edge of the arm head.

Caution Risk of Injury!

Turn off main switch before adjusting.

–

Set the scr ew s 4 s o th at th e l i n k holder is paralle l to th e lower edge of the arm head.

2.3.3 Clearance from the Transport Foot Bar to the Material Pressing Bar

The clearance between the transport foot and material pressing bars should be 11mm with the mac hi n e a r res t ed i n p os i t i on B.

Caution Risk of Injury!

Turn off main switch before adjusting.

–

Arrest the handwheel in position B.

–

Remove the plug 9 and loosen the s cr ew s l y ing behind it.

–

Adjust the clearance accordingly with eccentric 8.

2.4 Adjustment Wheel

2.4.1 Adjustment Wheels for the Stitch Length, Stitch Length Limitation and Stitch Condensation

The two adjustment wheels, 8 for the top transport and 9 for the bottom transport, are equipped with an eccentric disc with cams. The cams 1 and th e s t op pe r pin 2 l i m i t t he mi n i mu m a nd ma x i mu m stitch length.

The desired stitch condensation condensation can be chosen with the set screw 7. Direction " + " = Greater stitch condensation Direction " - " = Less stitch condensation

In order to achieve a flawless sewing result, the stitch condensation

not

may

Attention!

If a device for a shorter stitch length is inserted into the machine, it is essential that the stitch length which can be set with the adjustment wheel be limited.

– – –

– –

–

lie below

Set the adjus t me nt wh ee ls to th e g r ea te st p os si b l e stitch length. Remove the covering cap 5. With gauge 12 bri n g s l i t 3 o f t he ar re s ti n g d i s c 4 i n to the

verticalposition. Turn adjustment wheel 4 to the desired maximum stitch length. Bring the s l it o f t he ad j us t me nt wh ee l 4 i n to th e h or i zo ntal position

again. Mount the covering cap and check the position of the wheels

according to the marking 6 on the covering cap.

2.5 mm

2.4.2 Adjustment Wheel for the Pressure Foot Stroke Height

3 4

The adjustment wh eel can be turned only s o fa r to th e r ig ht or left, until the stop ring 2 l i e s on to th e appropriate cam s ide of the catch rin g 4.

When the adjustment wheel has been ti rned completely to th e r i g ht : The smallest value should be shown. The adjustme nt wh ee l ha s th e l e as t pl a y.

Caution Risk of Injury!

Turn off main switch before adjusting.

–

Remove the tens io n p l at e.

–

Unscrew the adjustment wheel.

–

Reach through the opening behind the tension plate and turn the worm 1 so that the ball pin lay s on .

–

Align the st op r i ng 2 so that its right si de 5 l ies onto cam 3 of the catch ring 4.

–

Screw on the adjustment wheel so that the smallest value is shown. (White arrow o n t he ad j us t me nt wh ee l)

2.5 Pressure Feet

2.5.1 0-Setting of the Stitch Actuator for the Top Transport

Gauge 9

With a stitch length set at "0", the transport foot may conduct no transport movement.

Caution Risk of Injury!

Turn off main switch before adjusting.

–

Set the stitch length to " 0 ".

–

Loosen screw 1 on the clamping piston 2 of the upper link 3.

–

Insert gauge 9 into the hole in the link and press against the set collar 4.

–

Tighten screw 1.

If movement in the transport foot is still noticeable, repeat the procedure an d a dj u st the link so that th er e i s , a s far as possible, no advancing movement.

2.5.2 Timing of the Advancing Movement of the Transport Foot

The pressure foot should not move when the greatest possible stitch length has been set and the stitch actuator lever is operated with the machine arres t ed i n p os i t i on B .

Caution Risk of Injury!

Turn off main switch before adjusting.

Setting with the Gauge

–

Arrest the machine in position A.

–

Loosen the screws on the thrust eccentric 1.

–

Place the timing pin 3 in the tracing hole of the thrust eccentric 1 and bring in to v ertical position .

–

Retighten the screws.

Setting without the Gauge

–

Arrest the machine in position B.

–

Loosen the screws on the thrust eccentric 1.

–

Turn the thrust eccentric on the arm shaft so that the transport foot does not move when the stitch actuator is operated.

+ 30 hidden pages