Pfaff 145 User manual

Instruction Book
( PFAFF )• 145; 545
Single-needle flatbed sewing machines
Mq:t. !i!ll?l·lififojl:t'hiOI:ipi:t¢1<1'11:1 f.itihif-iiiiJVM

Contents
l.a.<loral
2. Fundomen rol oO!modl ln eop<rrollon
3.Ci u nln gondo llln g
• ·
Wind ing lho bob!>n
!: ;::,;:'::; :=:,'.:':r.rud!nv rn.bol>blnc aM
NIM<IIOOJO'""'".
~=~ =~"~: . ::: . r:. ••
7.Changlngrhon H dlo
LTh ru dl"'!ltlenMdhr
t.DrawlngupU.O-blnl!rrtrOd
10.Rogulatlngthethrtrod1onsio<lo
Adjustinsit~ui>f'er l omlon
Adjlaling thelowO< Ionolon
11.A ogulotlng lh ollltd1 1onglh
12 .Aogu l ollr>g lh oprets ur eon them0lorlol
13.Chr onlngii>IHW1ngllo<».
14.TM .. It!J"clulctl •....
20.E..a.onglnglhoalt<rrnolino;l1HMHI"O
:21.Lub ricaUnglhOrnac:l"l,..
:.~:!lin g lh oloolllh
'~·
'
'
.
"
"

S...:otho-otionoll/lernad>lr>ll-ontho1rUopo~~~tis"""""''""""' .. .,.
lllorgcnerallnolru<tlonocompile41nUiio bookaPS>I110ollo1tl'lern.
Addilion
ol lnotruollono lor th o Ploll 1 ~1- 705-0.'1: 141·1~/1*725/(1 1 ; 14~; 1.U.700/(13: 1« ;
145; 14!1; 114~; 1142-7..,/01; 54J.7t 2J .. ; 1144; 1145; !.46; 5%-748;01; 56:5 o nd lhr eod
lrimmer - $1XJ .. oppuroltl>obockolllliabooki<H.
WI ..... .-..1111 rlgi\11C ,.. ... llllfl~ ..... H<VIng p<OOIIOU. Tho llluotr- .. 111 this-
oreals<>oub]IC\IC~
110rreeo~ l orunll>o .. moc:flirHrlotrMIOIIowlr>gtopo~;
Ploll U3 ~: :: :::· P!afl148
Proii1Q 2110Qo.p.m
PfoH1$1ond~ 2700o.p.m.
~=:·:::
2000o.p.m
2300o .p.m
2100o.p .m
t
$00o.p .m.
IIIOOo.p.m.
1700 a.p.m.
Wilen •ewing llgMy woven o na lloro vi ly dr<r osed motorlaiO, th e se win g tpol<l ohoold be
rtoao<e<l lnO< Oertop,...en to.or llla tln-gol ll>o!IHdl a.
TllormulmumoPIMdol-..rllme<Nnndecro-aothoneedllg&IJ901n<:<enoa.
Thomax....,mopeo<ltwhldr""nbeon-.odwitllmacNn•fd!IO<IwllllopKiolattacft.
:".,.'; ~"';:',~ ;-:;,-;·-:~ ~ ~~':,,!:;,. ":"7,.~=::!"':o'iirm"i.:'::
~~~~ · =·:~ ~ ~~ ~ ~ nurxlmum OI>Oi d io e >e O«ltcl, lf<>Ubl o moy d-op <!> lolly In t"'>
To ovoid tf<Out>foln 1111 mod>onlsm, "'"tile m.o<:fll.,.ot obrwt7S I><' unt Qi i totop
opiNdu!Milll>oportl-..hi<tllWin,_al>lo«>~ttoct!>nirboootnerlloroughlygtozedby
their oction upon...., __ T,_lllo<rld normally ~Mottle...,..-· obc>.rttwo --·
All ma<:fl inlllfl r~uiOry"'!ulppocl w ll~ a ri"'<l pu ll .. wh i ct. IOC!III In ooe withll'le
::::n;, ,; ~l.lldeolrod , how ""o r,tne oe mo<:flln llco nb oo uppll o dwlth o d i oo nga g o -
llhlledwi!htl'llllllllrtypepuOe1.1tlemachinolodlopot<:fledwiltrii'IIIHw\r>g-·
n0om~.TOongoti!Ollrll-aniomloroowWig,I'IO!d!hoboiORCe-II<Uid1
.,;thycurtlllhMdanrlturnlhollrrgolodlnuteiD<kwl ...
2. Fundam e nlal t olmachlneoperalion
aoto,.,oup~J~Ihom""'"olftOPit0110ftfortlll!r,.ttimo,e.,.runyr....,.eollduat
""'idll>na<..,n'llllatodlntronootOftdoilthe'"'<:flltllltrO.-oughly(-Chapllr3)
Oil""' mad'llt11 Ol'llywith Plalf-t>g "'"""'"".,. wlllr::foll non-reslftouo Oftdocid-lt"
ChO<I<tomo.., outel!.,. linget ,loi(e. upiiYOfanriiMohguara oor~proporll'll ttiO<I
Nevorrun o thr nde<l ma<:fli rHr unl ouy ouMv ott bncun<l o rt hep ro oHtfoo lort ~
vlb ro ti n-gproOHr.
8e1CtO)'OUOIIn-ing.laybolhltrr-Cod<undltlhop..,...,!-'.

To prevent thread jamming, hold both thtead ends until the machine has made a few
stnctu~s.
Oo not pull lhe material during sow ing: the machine will feed the fabric automatically.
Use needles of tho correct system on ly (see Chapl or 6).
Nover use cus ty needles.
Usa high-qualily lhroadsonly.
Always bring the take-up lever 10 itc highest point before you remove the material.
3. Cleaning and oiling
Caroful cleaning and reg ular oilirlg will increase t he sorvlce life or your machine.
AHer you have removed the dusi which has accumulaled on the machine In trnnsit, take
a clean rag and r~move lhe grease from all nickel·plaled and polished parts. Apply a
fow drops of kerose ne to all oiling points marked with dash lines in Figs . 1, 2 and 3,
ralso the presser foot. unthread the needle, remove the bobbin case and let tho machine
run brieny. Apply a few drops of Pfaff sewing machine oil No. 280·1·120 122 to nil points
of frlcllon.
White 1hese point$ ol friction should be oiled twice a woek, the sewing hook must be
oiled each day tho machine is in operation. Make particularly sure that oil Is applied to
oilhole R (Fig. 4).
Although the bevel gears are enclosed in cases and reQuire no special mainteneoce,
It is recommended to replace the old grease by Pfaff grease No. 2S0.1-120 243 once a
yeor. Owing
to tho spacial lu bricating properties of this grease. the flanks nt tho bevel
geor tooth should bo greased only llghlly.
Fog 1
Fig. 2
4

From time to time r em ove the noodle plate after taking out sec Gerews 14 and 15 (F i g.
4J and remove the lint which has accumulated underneath. It Is recommend ed at the
same hme to dismanUe the sewing hook and clean it thoroughly (see Chapter 13). In
r<~placlng the n ~d l e plate mal<o sure that posnion linger F (Fig. 13) on the bobbin case
baso enters slot P on the undersido or the needle ptate.
5

4. Winding lhe bobbin
Place a spo ol of thread on pin 1 (Fig. 5) and pasa the thread from len to right through
o ye let 2, cloc kwi se around and between tension discs 3 and from the ins i do through
lho slot in th e bobbin. Win d a tow turns of thread on the bo bb in and place lho latter on
spindle 4. Start the bobb in winder by pressing down lever 5. T he bobbin is wound
automatically while the mad'llne is sewing. When a sufficient amount of thread has been
wound on tho bobbin, a latch stops the bobbin winder.
Th e amount of thread to be wo und on the bobbin is re g\ ll ated by sc rew 6.
Turn th is scr ew cl ockw is e for more th read, or coun ter·clo ckwlse f or t es s th rea d.
If lhe thread should pile up at one end of tho bobbin. adjust the position of tho bo bb in
winder tenSion sideways, as may be required. To do this, loosen screw 7, adjust the
tonsion and tighten the set screw again.
The tension on lhe thread is regulated by turni ng nu l 8.
Make sure the bobbin winder pu ll &~ rol atcs In the dire c1io n Jn dicatod by an o.rr ow in
Fig. 5.
R 11369
Fig.5
8

S. Ch ang ing lh ebobblnandlh r eadlnglhebobblncase
Place o loll bobbin in lho bobbin c••• cap«> thot lhe thr ""d dr o wo on top lr<>m l o~
tow•rd t l\eri ght , ooohown l nF ig_7

6. Selecting the correct needle
To ensure rellnblo st it ch formallon. check to see that the corroet needle is Inserted in
lh o machine.
Noodle systems
The following ncodle systems are used for the indMdu al machine classes:
134 for Pf alf moc:lllnes 1 41, 14 2, 1 4.'l, 144, 15 1.541.542. 543 and 544
(In some cas as ttlso 34 for Pfafl machines 142 and 1 44)
1 34-35 for Pfalf machines 142·732/09; 142·732/11; 145 H3; 146 H3; 545 H3; 546 H3 an d
555H3
134 FLG for Pfaff mac:llines 142·720/1)2·6j01 and t44·720j02 in Medle gauges from 1.6 10
2 .2 mm Inclusive. (S oo also Additional ln&truotions tor Pfaff machines 14 2· 720/
02 to 594·7201 02)
134 KK tor t ho Pfa ff 15 3.
134 RER and 134 Rfl for lhe Pfaff 546 H2.
190 for the Pfaff543-7t2f .. , 545 H4. 546 H4 and 555 H4.
Noodle point •ty l oa
Those needles aro availab le with dlfterent typo points to suit different requirements. The
various needle point styles are Identified by a lettet following the needle system. e. g.
134 R.
Fabrics are stitchod wilh a round·po int necdlo. identified by R, whil4:t for 1 oo 1h er wo rk
noedl es are ava il ab le with th o following styles of p oi nt
lR
,
Narrow reverse awist poina
Ll
' Narrow twist point
LACK -Potent leather point
p • Extra-narrow wG
dgo point
PCR
..
E..:lra-narrow wodge po in t with right-twist groovo
PCL
..
Extra-narrow wl!dge point with left -twist groove
s I Narrow cross point; for long, straight st it ches
0
...
T 1ian gulnr p oinli for short, straight st it ches
VR • Roverse
twist spear point
Vl
• Twist spear point
Rub
be ri zed fabrres and pl as llc materials aro ~ewn with round·point nee dle s.
Needle and thread sizes
Tho choice
ol tho correct needfo is no: only dependenl on lho specified needle sys lem
and the corresponding needle point, but also on the machine model (A, B. C and D)
en d fabric and thread weigh ts (sou chart on noxt page).
8

TM needlo ol to (N m) lo lndlcat O<J on tho ohonk in ~un dr odths ol a milli me ter. This
m
eono,lore xampl<>.that anood l ool• l zo t OOhooashon k dl o roo lcr ol l00/100 • 1 m m.
-900{16o r l 56
""' I"'"' "" "
I = I w
.. I
(I.-ply 10
:::~~:~: : to 05mmd o
12·ply
lan cy· ell e ct

7. Changing the needle
Raise the needlo bar to its highest point, loosen the needle set scrnw half n turn, and
pu ll the damaged n eed le ou t of the needle cl am p.
Insert a
new naodlo into the clamp. making sure thai i1s short groove faces toward the
sowing hook. Push the needle up as tat as it will go and tighten the r.ecdle set screw
securelY.
Never use rusty n oo dles.
8. Threading the needle
Pes• the thro nd from spoof 1 fFtg. 81 through tho hol es in stud 2 and thread guide 3,
around thread rotainer 4, clockwise around and between tonslon discs 5, under thread
controller
disc &. through thread dleck spring 7. up and through thread guide 8, from
right to left through the hole In take-up lever
9, then down and through thread guides
10, 11 and 12. ond from left to right through the needle.
The sp ool holder on top of the 1nachine arm will be suppli ed on opecial r eque:J t oniy
because the thread stand which
is supplied with 1he machine regularly On$ures a
smoother passago of 1he thread to the needle.
F1g. 8
10

9. Drawingup\hebobbin lhread
10.Regulating1hethread\enslon
~~~: . ,"~~~ r ~
0
~~: 1 :
0
k l
1
:.
1
:·~~ t huend~!i~: ~· ~ ~ ;~ ~; .~~~~ -"' 4~ h : n:":
1
1 : ~~:·9~ dQwn
~ . :~e"t~::dt:;'
1
~
1
i~ ';.~k. too tig ht , t h<> bobbin thread will W pul led up (f ig. t O) or tl>e
Both l ~ n oio n s a rc corre ctly b•loneed, If tl>e """di e ond l>obb in threads i nt erl od< In t he
oonlerolthemoter i ot, oso hown i nFio. t t
Up per tenoion too loose or lower t~n 1 ion too tight
~
Uw e rtens i ootoot i gMortower tens lo ntoo looso
~
Bothten sions properly ba lo nced

Ad j us ti ng the l ow er tens i on
Tako the bobbin case o ut of the machi ne and regulate the tension by turning screw Z
(F ig. 7} with the hook se r ew drlvor, as appropriate. Turn this serow cl ock wi se lor a tight-
er tension, or
co unt e r·c l o ~ wiso for a looser tension.
Tho tension is corroct
if a notlcanble resistanco of spring Y (Fig. 7) h as to be ove 1come
when puHing the thread out of the bobbincase.
If puckering occurs on delicate moteriaJs a lt hough the tension has been sot correctly,
ooso both tensions slightly.
11 . Re gulating the stitch le ngth
The stitch length io regulated by turning thumb nut s (F ig . 12J on the feed regulator
lever.
R 9933
Fig. 12
Turn th is n ut cloc4(wlse f of shorter stitches, or counter·clockwlse tor long er stitches. The
numerals on tho felt
of the scale indicate tho slilch length In millimeter s. Tho tellers v
and R on the loll side of the scale (F.g. 12) stand for fotward and bad<Ward sevnng.
respective ly.
12
'

A.ll~nwiththeoAOOpt;onofthePWI141·705/(13and1G705J03orotiuodwrtha
opting-r.IU<n - ,...tator u standud. Thll -incorporo..., f oprlng-
pe.......,.,.,lyholdolhe-r"'lulat<><l .. .,-nintorwrrrdlo1rdlngpooilion.When tho
to .. <itpr.ol>od up•tor•itwiiiJO. themoclllne willsewinlW9nll. And""""'-''·
wl>en t he-ls~lc!OM<I,Iofword...,.;ngw; t tbe"'"'"'odil\1tantly
:~:~:::~~n:,~::~:~:~ .:~ :~ tt od with o ~ol wh l <$1 mak oo It ponlble to r mrso
12. Regutalingtt..pr .. sure onlhem•t erl•l
lhe omount ol pr eosur~ IO ~ exe rt ed by 1 1\e preo .. r loot mu ot ~ odopted to th e mo·
t.,lolto~oown .l hoprooouroiooetoorroelly l l th • m o t9rlall o o d•onced thr o"!l h tl>o
ma<:~~ine .. .., l y.,.ithout~lnginJurcdbyth•tHthOIII'rOtoedr:!og.
:7.!'
1
~"'m:::~::~~-to~l:~-:.~= !:.!:~~ oerew Y (Rga. 8 and 24). Tum thit
On-;noooqulpf*lwith_or.....,IBIItopringo<>nthll""'t:l'ri""o"nlnoiNdotthll
corr..,tlor~o~. l p r -rl>a r &ptlngwlt h preaor.r•r.gutot i ngsorew,lhef)ffOMtloo tp "'"u'"
:.: ~: ~=~ Dy turning ~ nu r l cd n<ll Y (FI;. 131 u~ord • . ond doeru .. a by tutnl ng It

13. Cleaning lhe n wlng h ooll
T"--"'lllc>OklltMmost.,._li .. parloltM-""'cllineand.lortllloru.,.
o/10\J'<:Ibeo,.,..,..,tPioroOjjhlylromti,...tctime.Todothl s. r o>se then-.cl 'tbf. rtoito
hlgho$ti>O in t . oponthO~o li doona r elllOW> I hebcbb l nca H w i l hthot:>obl>in.Till<e
,.,ttC..throo><:rews !o,Eo{f~.!l l nd E>{not•i•il>lo ln I ll.) a nd re moY Oihe hO<><gib
Turnth o bo lanc: o- unlilpo<ntSoltf>OI>ol>binc ... - l, aboultOo<>torvr"""o
N of t f>O hOOk {flg. U). When tn 111 ;,. posllkln. tho -In CHe- con 1>1 uppe<l ""'
-ly b)lholdineoon tor., Y<I Z withthumbandlorollntiWwhllotwningt"-b.o lonoe
wiiMiblld<andlorlhligf>tly".
Cl ean hook l n<l holll<rocowa, IMr cughlywith kei <>Htll. l flh o cottonwoolln •Iot a
:~.::\;::~~ ho•• blcc me mo tt Od. II o Muld be roplocoa on d tr>o new cellon w oo l bo
Toc lun thop.o,.,. lnthoYk: >nily<>ltho -Oighook.toktaut..,oc r-:ICI{F iSI.•Iond
""llt f>O IIOOkiiJ><>UIOith o m&<:hi ... Whontf>Ohookior""'oc..,.pin lt l "v•J tno u""
pfOPOri>O"'iti o nrng o n<l o ll minot"'tllon H<Iol retimlnQtllohOOk.
ln~oclng t hobobl>ino .. o b o"·"'""""'" '"atpo olt iont lngor F {Fiv . t•) o nt o ros lot
Pon thltundorskloOi
then.., <ll o plotl. ~op .ooo iiOOO glb lnd tOght.., K'IWO I' Eoond
(~Put I drop ol oil ln10 tloO> hOOk oocewry. ff:ploel the botlb;o C ... with !he botlb;o
-c-lot<f> II {F!v.&l
No .. <runt,.mKhlnowithtl\e- loplo t oro -<l os thit mry rosul tln<ll."'"''l l tQ
thebobbincaooO<tl\ebohbinca so op.-ner.
~~ ... ::- ~riiCiicno oloo apply to oil two-noedlo HWinQ mact. io .. ~od by thit l o-

14. The n fetyclulch
-ConoDrno.chinesoro-lpp.dwllhoso.letJChnd'l...,ld'lprhfrn10<1;srllrt>onoo
oiU..hookl"'*''!and~IObabtllftcase-inc ... OI!hrot<IJomrninginlhl
-·~ -
ll ... lfreg"'-~Yopun-lolhlocl •-J•m in lho hook roeoway olldblodc theoew·
i "'ll>ook,IMoo lol yc lul d'louromolloollydiS<Ir>g-•!hoMokdrlve
All or , ,. Jom.-..d thr oad hu - ro mov.d, IHl ba<.k IIMI n.Ong ho•d oM rota 10 , ,.
Dolarw:owh .. l ,whil oholdi r>glh •hoo l<d r l..,s hol 1• 1M dy,uni111 MIIpo l rh ol atd'l l•
P<>11 1 k>M<Io>o clly a brmrl hllgroo.tln th oe luld'lbu•hing.NOwpr.r lllrbl(lt t h o 'l'~"'l·
~ -~noot h ai iiMololctrton snopln rot hiov roove
Tor"""'"-"'l·•implyl<rldoMrtho-nv"-adogall\.

Additional instructions
PI'" """" I ""• 145 " "" 545 oro tln o<l not ""ty w i t~ eompo un~ ! .. d ll ko t l>t Plotl t• l
0< Soli, OUI oi O<l woth oHor,.. oo.g ~·-- wh;<:ft ""'kOI '~""' "<>looM- ~lneo
c.o~oll""i"'l"'"'"~ ... ,,,,,...,d,..;euotton""d,..
~ P• • O ! rom t t>ego""ro ii M irU<ll oeswlllct>awtrto!'lal!~l""'l45ond~olso ,th9
!o ll owi og~l• l insl r U<IIonsol>o<Jidb e t>et<lod'
20.Exdlanglngtha a tternatlngpres sera
Raise""'o ... bulihorOIFI!t.27)81'1drtlfOtolltoboi...,O-IODflnglhO-I<tiO
ttohigt>eotpoinLLOOMnoe rowb oncr.,..IOUithe•ib•lli"'J,_,,rotolingHollghlly
to t he riV~I OM lell

W~O<I r o ~1 aclo>g , .,. vl~rotlng p,. ... , m o<o a ur e y0<r pu on 11 up oa tar •• il wi1J 90 ond
poWllo<11tool""tlhl- l elo con18n><!lnl1o n -le-.Thent0g h1 """' ' "' biFig
:n)HCUreiy,
Theli!W>gp-canberemo.todon!y_,lhe.,...OHrbarioraise<I.Todoltd.
~MOUIK!I ... o ( FiQ .22)..-.:1J>Ull....,llhllill"''l-·liningMbaod<ondlo!l!l
oliglllly
W,_, '""""''"'~~ tholiiUng ~>~ • .. er. push R up •• lor .. R -II<> so that Krew c Cotl
bepual>edlh r ouoht,._lnltoohon~ono:lt;gii-M-c:.rr..,

21. L ub r icating~machlne
Si ""e Pfol! mo<:l1 1 neo10~ orHI~ oro l iOIO<I wil~ ollo rn ol mg ~r oo .. r o, lhoy ho•o • num-
o.r ol ~ ddil ""'tJ o ili ng I)Oinlo whi<:l'l It O ma rl. «! b1 otrowo in fl~o . 22 o nd 23. 0 1IMso,
,_rticulatlylhopoiniOoltri<Oiionallhl-le--IIOf-lndoltn.-o.oud>•OI"'
IIHIIIIIw(lnoldo-llbrorl r amolnF"ov.221-lho"-'..,..,Pwllhltlroond
"'""~ (btrhl"<< "'8dle bror In F",g. :12), r ... ulro thorough orld rogu llr Jul;lrl<:ation
All mov;..g and <Oioling po~ o should bo Oiled rogu 1ar 1 1. To pro•o nt oolll ng oiiM wor k
::::_drlpPflllo/1.-ll_..,.,..on o ~oo/ocr o p molorltJ io al>oorbotl o <·
""-""''1 10 rt<n!Hiycenoln tou lt s I>'; opptyi"IIOXC"o,. q .,.ntolloool oil. E.<oossMr
oiling w ill""''"!)' o oit th o w~rk. T ho roloro, oil t ho mod>lt>O opori..gt1. but rogulori)'
22. Sett ln gtnelootl lf t
TO.,;iop t iMioot lit tiOtl >l l""=""""ollt >I""' I O ~IIICbeM"",ioosenWir>gnui F
l f ig.Zl) arldod i uSIIh •~• llk>not li lll "!!e<C• ntr loco no oolion H inthoa lotolth e li lt·
"''l<<ank.

Guards
All~aremMooollncllrdorilhogulnlwhi<fl-urlhe_.-otor'llmg..o
ogolnotii!J....,tll'll>er••·•<no
~r:=;gnollhellngor'i"ard-lhemetllodollllllnglldopenciOtllhe,.cfllno
P IMHmokoo u ,. tho tthi oguo rdl oa lworolltt<MlCOfr Oc tly.
r.....,.....,_ d iF!li.:!O)
Allrna<hlne~orotiO<mo.,.oqulpped..!r~otllk!HIJll""erl)Uird""'lcflr:onlori'I'ISIOihe
H I O!yr.<;~(>lotioeo.l li oimr>Ofi i MI IIIIII !>Ia .. lely<levi< OISII tl t<l orallllmet

Gu;onJ l ltM< u re<lwlllltvrosc_, Z III'>dpoo-oolhOiilcownll>opoltllolbeH
enuonco comploto~.
~~1
. ·o: ·r
\ :·fr I . _)
[f~' - ' ...... -
l .·· .;:'r, ~ ~-
'""/~A,.~,>~
z·:.....,..,.~·
•-. ~--