Care And Maintenance; Cleaning - Pfaff 3734 - 2/01 Instruction Manual

Care and maintenance

11 Care and maintenance
11

Cleaning

.01
Clean the hook and hook compartment daily, more often if in continuous operation.
11 - 1
Cleaning .............................................................. daily, several times if in continuous use
Checking the oil level ( lubricating the head parts ) .................................. daily before use
Lubricating the hook ................................................................................ daily before use
Lubricating the bevel gears ............................................................................. once a year
Cleaning the air filter ..................................................................................... once a week
These maintenance intervals are calculated for the average running time
of a single shift operation. If the machine is operated more than this, shorter
intervals are recommended.
Fig. 11 - 01
Bring the needle bar to its highest
2
position.
Open the post cap and remove the
bobbin case cap and the bobbin.
Unscrew hook gib 1.
Turn the handwheel until the point of
1
bobbin case 2 penetrates into groove
approx. 5 mm.
Remove bobbin case 2.
Clean the hook race with paraffin.
When inserting the bobbin case 2,
ensure that the horn of the bobbin
case 2 meshes in the groove of the
needle plate.
Screw hook gib 1 back on.
Insert the bobbin case with the bobbin
and close the post cap.
Turn the machine off!