Maintenance And Care; Maintenance Intervals; Cleaning The Machine - Pfaff 333-712/02 Instruction Manual

10

Maintenance and Care

10

Maintenance intervals

.01
Cleaning ........................................................daily, several times if in continuous operation
Clean the hook area ......................................daily, several times if in continuous operation
General oiling .................................................................................................. twice a week
Oil the hook ......................................................................................... daily, before start-up
Oil the front parts ........................................................................................... twice a week
Lubricate the bevel gears ..................................................................................once as year
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Cleaning the machine

.02
The required cleaning cycle for the machine depends on the following factors:
● Single or multi-shift operation
● Dust formation caused by the workpieces
Optimal cleaning instructions can therefore only be determined on a case-by-case basis.
2
7
1
Fig. 10 - 01
● Turn the hand wheel until the tip 5 is at the same level as the tip 6.
● Remove the bobbin case and clean the hook race with kerosene.
● When assembling it, take care that the lug on the back of the case position finger 2 en-
gages in the groove 7.
● Screw on the hook gib 4.
● Insert the bobbin case with bobbin.
● Close the flap.
These maintenance intervals are based on an average running time of a single
shift production shop. Shorter maintenance intervals are recommended for in-
creased running times.
Disconnect the machine from the electricity mains for all cleaning work by shut-
ting off the main switch or removing the mains plug! Risk of injury due to acci-
dental machine start-up!
3
6
5
Always operate the machine when the flap 1 is closed! Risk of injury from the
rotating hook!
Maintenance and Care
The following tasks are recommended dur-
ing single shift operation to avoid operation-
al errors:
Clean the hook area
4
● Clean the hook area with a brush
Clean the hook
● Open the flap 1.
● Bring the needle bar to the top position.
● Remove the bobbin case sewing head
with bobbin.
● Unscrew the bobbin case position stop 2.
● Unscrew the screw 3 and remove the
hook gib 4.
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