Presser Foot Stopper Roller-C Series

Presser Foot Stopper Roller (C series)

Revision Date / Version: 3/24/2014 - 2

Installation Directions for the PFSR (C Series machines)

And maintenance of the Presser Foot Driving Cam and the

Presser Foot Driving Levers.

Tools Needed

Phillips Screw Driver

Flat Head Screw Driver

3.mm T Handle allen wrench

Long nose or Battery Pliers.

Part #: 03800800I000



Installation Directions for the PFSR (C Series machines)

1-Remove the Shaft Cover (Fig 1) if the repair is on any Needle Case other than the last one.

If the repair is on the last Needle Case remove the Shaft Cover showing on (Fig 2).

2-The parts shown above (Fig 3) need to be remove to expose the “PFSR” for replacement

On the last Needle Case.

Fig 1 Fig 2 Shaft Cover Shaft Cover

Shaft Cover

Jump Motor Upper Thread Catcher Set Arm Side Cover(A) Arm Guard Plate(L)

Fig 3



Installation Directions for the “PFSR” Cont.

3-Remove 3.mm allen screws from the “UPPER THREAD CATCHER BASE”. (Fig 4)

4-When the allen screws are removed the entire Catcher set will hang. (Fig 5)

5-Remove the 3.mm allen screws from the “JUMP MOTOR” and let it hang as well. (Fig 6)

6-Remove the Phillips screws from the “SHAFT COVER” (Figs 7 and 8), and remover the Cover. (Fig 9)

7-If the “PFSR” replacement has to be done on any other Needle Case rather than the last Needle Case

Please “DO NOT” follow instructions on (Figs 7-8 and 9.)

Upper Thread Catcher Base Upper Thread Catcher Base Fig 4

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Fig 5

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3.mm allen screws.

Fig 6

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Fig 7

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Fig 8

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3.mm allen screws.

Jump Motor

Shaft Cover Shaft Cover

Fig 9

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8-Remove Phillips screws from the “ARM SIDE COVER (A)” (Fig 10”A”)

9-Remove the “ARM SIDE COVER (A)”, make sure to look at the position of both Presser Foot Driving

Levers before removing the Arm Side Cover (A), as we will need to position it back the same way

Before placing the Arm Side Cover (A) back in place. (Fig’s B-C-D-E).

10-Clean off old Grease from the “PRESSER FOOT DRIVING CAM”. (Fig 10 “F”)

11-Clean off the waste of the PFSR and remove the defective “Presser Foot Stopper Roller”

Fig 10 “A”

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Fig 10 “D”

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Fig 10 “E”

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Fig 10 “F”

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Fig 10 “B”

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Fig 10 “C”

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Arm Side Cover(A)

Presser Foot Driving Lever.

Phillips

screws

Presser Foot Driving Cam.

Presser Foot Stopper Roller

“PFSR”

Broken plastic

roller from the

“PFSR”

Fig 11

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12-Remove the defective “PFSR” using the Battery Pliers or Wire Cutter Pliers to hold the PFSR while

using the adjustable wrench to remove the nut (Fig 12), Keep the Nut as we will need to use it again

for the new “PFSR”. (Fig 13)

13-Mount the New “PFSR” as shown on (Fig 13) and tighten the nut, see (Fig 15).

14-Before placing the Arm Side Cover(A) back in its place, spray some rust and corrosion Lubricant on

On all the Lever’s Joints. (Fig’s 16-17)

Fig 12

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Fig 14

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Fig 13

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Fig 15

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Fig 17

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Fig 16

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15-After cleaning the “PRESSER FOOT DRIVING CAM” spread some GBR (Silicone)Grease that came

With the machine in the Presser Foot Driving Cam Groove. (Fig 19)

16-Mount the “ARM SIDE COVER (A) back on, make sure the Levers are on the same position that they

Were before we removed the Arm Side Cover (A). (Fig’s 20-21)

17-Make sure the top lever bearing is inside the Presser Foot Driving Cam’s Groove. (Fig 20)

18-Place all the phillips screws back on to the Arm Side Cover (A) and tighten them.

19-Mount the “UPPER THREAD CATCHER SET” back on the “ARM SIDE COVER (A). (Fig 23)

20-When mounting the Upper Thread Catcher Set, make sure the tip of the wiper is through

The Presser Base.

Presser Foot Driving Cam. Presser Foot Driving Cam Groove.

Fig 18

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Fig 19

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Arm Side Cover(A)

Phillips

screws

Fig 20

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Fig 21

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Fig 22

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Fig 23

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Fig 24

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Upper Thread Catcher Set Tip of the Wiper.

Presser Base.




21-Mount the Jump Motor but do

Not tighten the allen screws

Until the spacing between the

Motor Plunger and the Reciprocator

Stem is set by bringing the Motor

Front to back as needed,

look at (Fig 26).

22-Once the spacing is set we can revise

It by bringing the Motor Clutch back

And forth making the Motor shaft to move

Towards the Reciprocator Stem. (Fig 25)

23-Mount the “ARM GUARD PLATE (L)

Motor plunger

JUMP MOTOR

Reciprocator Stem

Keep a space of .508mm or .020 inch between

the Motor plunger and the Reciprocator Stem.

Fig 26

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Jump Motor Plunger or Shaft

Reciprocator Stem.

Jump Motor Clutch. Fig 25

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Fig 27

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Arm Guard Plate(L)




24-Mount the Shaft covers back in place, secure the screws and make a final inspection to confirm that

The Jump Motor was mounted correctly by doing a manual trim, if a rattle noise is heard set the

Jump Motor shaft spacing again by loosening the allen screws from the Jump Motor and move the

Jump Motor back and forth until the spacing between the Jump Motor shaft and the Reciprocator

Stem is correctly set.

Fig 28

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Fig 29

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Fig 30

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Fig 31

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Presser Foot Stopper Roller-C Series

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