Pfaff 5483 Series User manual

k.® 5483
5483 H
Service Manual
Pfaff, D 6750 Kaiserslautem, Postfach 3020/3040, Telefon [phone], Telex 45753
Telefax (0631) 17202
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Service Manual for the Pfaff 5483
Notes on safety:
The machine must only be used for the purpose it has been designed for.
When converting it to another version, ali valid safety rules must be followed.
Service and repair work must only be performed by qualified personnel.
Work on live parts is not permitted, apart from exceptions according to DIN 57105 and
VDE 0105.
Please note:
The illustrations in this Manual show the Pfaff 5483-814/01 single-needle, two-thread
chainstitch, high-speed sewing machine, whereas the adjusting instructions apply to the
Pfaff 5483-814/01 single- and two-needle machines.
Differing or additional adjusting instructions for machines with floating foot (No. 91-055
660-91) are given on page 38, and for machines in version H and with -911/.. backtacking
mechanism in the Appendices on pages 40 and 44 respectively.
The machine version is indicated on the model plate on the arm standard.
Tools, gauges and other equipment needed for adjusting the Pfaff 5483:
Set of screwdrivers with blades from 2 to 10 mm wide
Set of alien keys of sizes 1.5 to 6.0 mm
Set of open-ended spanners/wrenches from 7 to 14 mm wide
Spanner/wrench, 22 mm wide
Metal rule
C-clamp No. 08-880137-00
Adjustment pin (5 mm dia.) No. 13-030341-05
Gauge No. 61-111642-19 or 08-880179-00
Gauge No. 61-111643-06
Packet of needles
Needle system: 4463-35
in version -911/.., 5463-35
in version H without -911/.., UY 128 GAS
in version -814/01 HO, 4463 KK
in version -814/02 HO, 4463-8 FL and 4463-8 FR
Spacers; 0.3, 0.5, 0.8 or 1.2 mm thick
Shims: 0.3 or 0.6 mm thick (for subcl. -911/..)
Thread and material for testing purposes
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1
Preparations for adjustment
1.1 Remove the belt guard.
1.2 Take out the two face plate screws and remove the face plate.
Note:
This machine Is equipped with a bearing platewithfour holes InIt(Fig. 1.0.1). By
Inserting a pin In one of these holes and pushing It Into a recess behind the
bearing plate the machine can be blocked with the needle bar at a certain
position.
P
1.0.1
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Correct
setting:
Position of needie in needie hoie
The needle must be centered In the needle hole In crosswise direction and Its
center line must be 32 mm from the front edge of the needle plate (Fig. 2.0.2).
2.1 Bring the needle bar to top dead center and remove the presser foot.
2.2 insert a new needle (for needle system see Inside front cover) and push It up
Into the needle bar as far as It will go; the long groove must face toward you.
2.3 Loosen screws 1, 3 and 4.
2.4 Turn out screws 5 by 2 to 3 turns.
2.5 Turn the balance wheel until the needle point Is Immediately above the needle
hole.
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2.6 Adjust the position of the needle bar frame so that the needle Is centered In
the needle hole In crosswise direction and that In sewing direction there Is a
distance of 32 mm between the front edge of the needle plate and the center
line of the needle.
2.7 In this position, tighten screw 3 Just lightly and screw 4securely.
2.8 Using
screw 1,pull the guide stud behind it against the eye of needle bar frame 2.
Then tighten screw 1.
2.9 Loosen screw 3 again, turn the balance wheel a few turns to make sure no twist
has occurred in the needle bar frame, then tighten screw 3again.
2.10 Tighten
both screws 5, making sure that slotted guide 6 is parallel to the needle
bar.
2.11 Check this adjustment (see "Correct setting").
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Correct
setting;
Note:
Preliminary adjustment of needle bar height
With the needle bar at top dead center (pin In hole 1) the needle point must
be positioned 11 mm (on versions R and HO, 8 mm) above the needle plate
(see Fig. 3.0.2 and 3.0.3).
On version H machines the distance between needle plate and needle point must
be 12.5 mm.
3.0.3
3.1 Bring the needle bar to top dead center.
3.2 Insert the pin In hole 1 of the bearing plate (to block the machine).
3.3 Loosen clamp screw 1 (see Fig. 3.0.1) in the needle bar connecting stud.
3.4 Move the needle bar up or down until the needle point is positioned 11 mm
(on version R and HO machines, 8 mm) above the needle plate (see Fig. 3.0.2
and 3.0.3).
3.5 Securely tighten both clamp screws 1.
3.6 Pull the pin out of the hole In the bearing plate.
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Correct
setting;
4.1
Zeroing the bottom feed
With the stitch length set at "0", the feed dog must not move when the
balance wheel Is turned.
On machines with feed regulator wheel and closed gearcase.
©
0
4.0.1
4.1.1 Loosen clamp screw 1 (Fig. 4.0.1) of stop crank 2.
4.1.2 Turn the stitch length control to "0".
4.1.3 Also loosen clamp screw 3 of feed regulation crank 4.
4.1.4 In order to show the absence of feed motion more clearly, Insert a screwdriver
In the slot of feed driving crank 5 (Fig. 4.0.2).
4.1.5 Place a 22-mm open-ended spanner on hexagon tension nut 6 and use It to hold
feed regulating shaft 7fast.
4.1.6 Rotate the balance wheel and simultaneously turn nut 6 on its shaft untii
the feed dog (1. e. the screwdriver in feed driving crank 5) no ionger moves
(Fig. 4.0.2).
4.1.7 Hold the spanner In this position and securely tighten clamp screw 3, making
sure that there Is a clearance of about 8 mm between thrust washer 8 and feed
regulating crank 4.
4.1.8 Check this adjustment (see "Correct setting") and take the screwdriver out of
feed driving crank 5 (Fig. 4.0.2).
4.1.9 Clamp screw 11s left loose for adjusting the stitch condensation.
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4.2
On machines with feed regulator wheel and open gearcase.
4.0.2
4.2.1 Turn the stitch length control to "0".
4.2.2 Remove the 16 screws of the gearcase cover and take off the cover with its
gasket, making sure that oil which may be running out, is caught.
4.2.3 Remove the lubrication pad from the gearcase.
4.2.4 Loosen clamp screw 9 just sufficiently to allow crank 10 to be turned on its shaft.
4.2.5 In order to show the absence of feed motion more clearly, insert a screwdriver
in the slot of feed driving crank 5.
4.2.6 Rotate the balance wheel and simultaneously tum crank 10 on Its shaft until
the feed dog (i. e. the screwdriver in feed driving crank 5) no longer moves.
4.2.7 In this position, tighten clamp screw 9.
4.2.8 Check this adjustment (see "Correct setting") and take the screwdriver out of
feed driving crank 5.
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4.3
On machines with feed regulator lever and closed gearcase.
©
4.3.1 Loosen clamp screw 1 of stop crank 2.
4.3.2 Push feed regulator lever 11 fully downwards.
4.3.3 Loosen screw 12.
4.3.4 Turn eccentric bush 13 so that marking 14 faces downward and the edge of the
milled surface is at an angle of roughly 45° to the front side of the machine
(preliminary adjustment for machines with subcl. -911/..; for final adjustment see
section 48).
4.3.5 Tighten screw 12.
4.3.6 In order to show the absence of feed motion more clearly, Insert a screw driver
In the slot of feed driving crank 5 (Fig. 4.0.2).
4.3.7 Place a 22-mm socket wrench on hexagon tension nut 6 and use It to hold feed
regulating shaft 7 fast.
6.3.8 Loosen clamp screw 3 of feed regulation crank 4.
4.3.9 Rotate the balance wheel and simultaneously turn nut 6 on its shaft until the
feed dog (i.e. the screw driverin feed driving crank 5, Fig. 4.0.2) no longer moves.
4.3.10 Hold the spanner In this position and tighten clamp screw 3, making sure that
there Isa clearance of about 8 mm between thrust washer and regulating crank 4.
4.3.11 Check this adjustment (see "Correct setting") and take the screw driver out of
feed driving crank 5 (Fig. 4.0.2).
4.3.12 Clamp screw 1 remains loose for adjusting the stitch condensation.
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4.4
4.4.1
4.4.2
4.4.3
4.4.4
4.4.5
4.4.6
4.4.7
4.4.8
4.4.9
4.4.10
4.4.11
On machines with feed regulator lever and open gearcase.
4.0.5
Make sure that clamp screw 1 (Fig. 4.0.3) is still loose, and push feed regulator
lever 11 fully downwards.
Loosen screw 12.
Turn eccentric bush 13 so that marking 14 faces downward and the edge of the
milled surface is at an angle of roughly 45° to the front side of the machine
(preliminary adjustment for machines with subcl. -911/..; for final adjustment see
section 48).
Tighten screw 12.
Remove the 16 screws of the gearcase cover and take off the cover with its
gasket, making sure that oil which may be running out, is caught.
Remove the lubrication pad from the gearcase.
Loosen clamp screw 9 just sufficiently to allow crank 10 to be turned on its shaft.
In order to show the absence of feed motion more clearly, insert a screw driver
in the slot of feed driving crank 5.
Rotate the balance wheel and simultaneously turn crank 10 on its shaft until
the feed dog (i. e. the screw driver in feed driving crank 5) no longer moves.
In this position, tighten clamp screw 9.
Check this adjustment (see "Correct setting") and take the screw driver out of
feed driving crank 5.
8
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