Pfaff 335 User manual
Instruction Manual
335
296-12-18 641/002
Betriebsanleitung engl. 09.07
This instruction manual applies to machines from the
following serial numbers onwards:
# 2734226
This Instruction Manual is valid for all models and subclasses listed in the chap-
ter " 3 Specifications ".
The adjustment manual for the machines can be downloaded free of charge
from the internet address www.pfaff-industrial.de/pfaff/de/service/downloads
As an alternative to the internet download the adjustment manual can also be
ordered in book form under part no. 296-12-18 642/002.
The reprinting, copying or translation of PFAFF Instruction Manuals, whether in whole or
in part, is only permitted with our previous authorization and with written reference to the
source.
PFAFF Industrie Maschinen AG
Postfach 3020
D-67653 Kaiserslautern
Königstr. 154
D-67655 Kaiserslautern
Index
Contents ..................................................................................Page
1 Safety .................................................................................................................................... 5
1.01 Directives .............................................................................................................................. 5
1.02 General notes on safety ......................................................................................................... 5
1.03 Safety symbols ...................................................................................................................... 6
1.04 Important points for the user ................................................................................................. 6
1.05 Operating and specialist personnel ........................................................................................ 7
1.05.01 Operating personnel .............................................................................................................. 7
1.05.02 Specialist personnel ............................................................................................................... 7
1.06 Danger warnings .................................................................................................................... 8
2 Proper use ............................................................................................................................ 9
3 Specifications ..................................................................................................................... 10
3.01 PFAFF 335 ............................................................................................................................ 10
3.02 Versions and subclasses ...................................................................................................... 10
4 Disposal of Machine .......................................................................................................... 11
5 Transportation, packing and storage ................................................................................ 12
5.01 Transportation to customer‘s premises ............................................................................... 12
5.02 Transportation inside the customer‘s premises ................................................................... 12
5.03 Disposal of packing materials .............................................................................................. 12
5.04 Storage ................................................................................................................................ 12
6 Explanation of symbols ..................................................................................................... 13
7 Controls .............................................................................................................................. 14
7.01 On/off switch ....................................................................................................................... 14
7.02 Pedale ................................................................................................................................. 14
7.03 Lever for lifting the presser foot .......................................................................................... 15
7.04 Stitch-length adjustment lever / reverse sewing .................................................................. 15
7.05 Adjustment nut for the top-feed stroke ............................................................................... 16
7.06 Control panel (only on machines with Quick EcoDrive) ....................................................... 16
8 Installation and commissioning ....................................................................................... 17
8.01 Installation ............................................................................................................................ 17
8.01.01 Adjusting the table-top height .............................................................................................. 17
8.01.02 Assembling the motor (only on machines with Quick-motor) .............................................. 18
8.01.03 Tightening the V-belt ............................................................................................................ 18
8.01.04 Mounting the bottom V-belt guard ....................................................................................... 19
8.01.05 Fitting the upper belt guard .................................................................................................. 20
8.01.06 Fitting the synchronizer ........................................................................................................ 20
8.01.07 Fitting the reel stand ............................................................................................................ 21
8.01.08 Connecting the plug-in connections and earth cables ......................................................... 22
Index
Contents ..................................................................................Page
8.02 Commissioning .................................................................................................................... 23
8.03 Switching the machine on/off .............................................................................................. 23
8.04 Basic position of the machine drive unit ............................................................................. 24
9 Setting up ........................................................................................................................... 25
9.01 Inserting the needle ............................................................................................................ 25
9.02 Winding the bobbin thread, adjusting the thread tension .................................................... 26
9.03 Removing / Inserting the bobbin case ................................................................................ 27
9.04 Threading the bobbin thread and regulating the bobbin thread tension .............................. 27
9.05 Threading needle thread/adjusting needle thread tension .......................................................28
9.06 Adjusting the stitch counter for the bobbin thread control .......................................................29
10 Care and maintenance ....................................................................................................... 30
10.01 Care and maintenance intervals ........................................................................................... 30
10.02 Cleaning ............................................................................................................................... 30
10.03 General oiling ....................................................................................................................... 31
10.04 Oiling the sewing hook ........................................................................................................ 32
10.05 Oiling the needle-head parts ................................................................................................ 32
10.06 Lubricating the bevel gears .................................................................................................. 33
10.07 Lubricating the top-feed drive excentric ............................................................................... 34
10.08 Checking/regulating the air pressure ................................................................................... 34
10.09 Emptying/cleaning the water bowl of the air filter/regulator ................................................ 35
10.10 Parameter settings .............................................................................................................. 36
10.10.01 Parameter list ....................................................................................................................... 36
11 Table top cutout and circuit diagrams .............................................................................. 37
11.01 Table top cutout ................................................................................................................... 37
11.02 Mounting the table top ........................................................................................................ 37
11.03 Circuit diagrams ................................................................................................................... 38
12 Wearing parts ..................................................................................................................... 42
5
Safety
1 Safety
1.01 Directives
This machine is constructed in accordance with the European regulations contained in the
conformity and manufacturer’s declarations.
In addition to this Instruction Manual, also observe all generally accepted, statutory and
other regulations and legal requirements and all valid environmental protection regulations!
The regionally valid regulations of the social insurance society for occupational accidents or
other supervisory organizations are to be strictly adhered to!
1.02 General notes on safety
This machine may only be operated by adequately trained operators and only after having
completely read and understood the Instruction Manual!
All Notes on Safety and Instruction Manuals of the motor manufacturer are to be read be-
fore operating the machine!
The danger and safety instructions on the machine itself are to be followed!
This machine may only be used for the purpose for which it is intended and may not be
operated without its safety devices. All safety regulations relevant to its operation are to
be adhered to.
When exchanging sewing tools (e.g. needle, roller presser, needle plate and bobbin),
when threading the machine, when leaving the machine unattended and during mainte-
nance work, the machine is to be separated from the power supply by switching off the
On/Off switch or by removing the plug from the mains!
Everyday maintenance work is only to be carried out by appropriately trained personnel!
Repairs and special maintenance work may only be carried out by qualified service staff
or appropriately trained personnel!
Work on electrical equipment may only be carried out by appropriately trained personnel!
Work is not permitted on parts and equipment which are connected to the power supply!
The only exceptions to this rule are found in the regulations EN 50110.
Modifications and alterations to the machine may only be carried out under observance
of all the relevant safety regulations!
Only spare parts which have been approved by us are to be used for repairs! We express-
ly point out that any replacement parts or accessories which are not supplied by us have
not been tested and approved by us. The installation and/or use of any such products can
lead to negative changes in the structural characteristics of the machine. We are not liable
for any damage which may be caused by non-original parts.
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Safety
1.03 Safety symbols
Danger!
Points to be observed..
Danger of injury for operating and specialist personnel!
Caution
Do not operate without finger guard and safety devices.
Before threading, changing bobbin and needle, cleaning
etc. switch off main switch.
1.04 Important points for the user
This Instruction Manual is an integral part of the machine and must be available to the
operating personnel at all times.
The Instruction Manual must be read before operating the machine for the first time.
The operating and specialist personnel is to be instructed as to the safety equipment of
the machine and regarding safe work methods.
It is the duty of the user to only operate the machine in perfect running order.
It is the obligation of the user to ensure that none of the safety mechanisms are removed
or deactivated.
It is the obligation of the user to ensure that only authorized persons operate and work
on the machine.
Further information can be obtained from your PFAFF agent.
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7
Safety
1.05 Operating and specialist personnel
1.05.01 Operating personnel
Operating personnel are persons responsible for the equipping, operating and cleaning of
the machine as well as for taking care of problems arising in the sewing area.
The operating personnel is required to observe the following points and must:
always observe the Notes on Safety in the Instruction Manual!
never use any working methods which could adversely affect the safety of the machine!
not wear loose-fitting clothing or jewelery such as chains or rings!
also ensure that only authorized persons have access to the potentially dangerous area
around the machine!
always immediately report to the person responsible any changes in the machine which
may limit its safety!
1.05.02 Specialist personnel
Specialist personnel are persons with a specialist education in the fields of electrics, electro-
nics and mechanics. They are responsible for the lubrication, maintenance, repair and adjust-
ment of the machine.
The specialist personnel is obliged to observe the following points and must:
always observe the Notes on Safety in the Instruction Manual!
switch off the On/Off switch before carrying out adjustments or repairs, and ensure that
it cannot be switched on again unintentionally!
wait until the luminous diode on the control box is no longer blinking or on before begin-
ning adjustment or repair work.
never work on parts which are still connected to the power supply! Exceptions are explai-
ned in the regulations EN 50110.
replace the protective coverings and close the electrical control box afer all repairs or
maintenance work!
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8
Safety
1.06 Danger warnings
A working area of 1 m must be kept free both in front of and behind the machi-
ne, so that easy access is possible at all times.
Never put your hands or fingers in the sewing area during sewing!
Danger of injury by the needle!
While setting or adjusting the machine do not leave any objects on the table nor
in the needle plate area! Objects may be trapped or flung out of the machine!
4
5
12
Fig. 1 - 01
3
Do not run the machine without take-up lever guard 1!
Danger of injury by moving take-up lever!
Do not run the machine without belt guards 2 and 3!
Danger of injury by rotating v-belt!
Do not run the machine without finger guard 4!
Danger of injury by up and down movement of needle!
Do not run the machine without cylinder-bed cap 5!
Danger of injury by rotating hook!
Proper use
9
2 Proper use
The PFAFF 335 is a single needle, free-arm sewing machine with bottom, top and needle
feeds for sewing lockstitch seams.
Any and all uses of this machine which have not been approved of by the
manufacturer are considered to be inappropriate! The manufacturer cannot be
held liable for any damage caused by the inappropriate use of the machine!
The appropriate use of the machine includes the observance of all operational,
adjustment, maintenance and repair measures required by the manufacturer!
Specifications
10
3 Specifications
3.01 PFAFF 335 ◆
Stitch type: ........................................................................................................ 301 ( lockstitch)
Model: ......................................................................................................................................B
Needle system: ............................................................................................................. 134 - 35
Needle thickness (Nm) in 1/100 mm: ............................................................................ 80 - 100
Max. stitch length:
on sub classes -940/01-6/01 ..........................................................................................4,5 mm
on sub classes -2/27; -6/01; -17/01; -39/21 .....................................................................6,0 mm
on sub classes -900/52 ..................................................................................................5,5 mm
Handwheel effective dia.: ..............................................................................................80 mm
Max. speed: ............................................................................................................... 2800 spm
Dimensions of the machine:
Free-arm head dia.: ........................................................................................................51 mm
Free-arm size: ................................................................................................. approx. 165 mm
Length: ............................................................................................................. approx. 770 mm
Width: ..............................................................................................................approx. 380 mm
Height: .............................................................................................................approx. 630 mm
Width of fabric clearance: ............................................................................................265 mm
Height of fabric clearance: ........................................................................................... 115 mm
Clearance under the sewing foot: .....................................................................................7 mm
Net weight (sewing head): ....................................................................................approx. 40 kg
Working air pressure: ......................................................................................................... 6 bar
Air consumption: ...........................................................................................~0.8 l / work cycle
Motor data: .................................................................................see motor specification plate
Noise data:
Emission sound level at workplace at a speed of 1800 spm: ........................ Lpa = 81.0 dB(A) ■
(Noise measurement in accordance with DIN 45 635-48-B-1, ISO 11204, ISO 3744, ISO 4871)
3.02 Versions and subclasses
Version B: ....................................................................... for sewing medium-weight materials
Version P: ..........................................................additional lifting phase of the bottom feed dog
Additional equipment:
Subclass -900/52 .............................................................................................. Thread trimmer
Subclass -911/97 ......................................................................................... Backtacking device
◆ Subject to alterations
■ KpA = 2,5 dB
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5
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