NovoPress HP 300, Инструкции по ремонту

Страница: 34 / 46

30
Pressing Cylinder HP 450
For spare parts list and drawing of the parts, see pages 34 to 35
7. DISMANTLING
7.1 Slit the shrink-on sleeve (38) and remove it.
7.2 Grip the HP 450 by the head (1) in a vice.
7.3 Unscrew the plug connector (36).
7.4 For HP’s with hand switch only:
•
undo the screw (17/31831).
•
unscrew the lock nut (3/31831).
•
take off the cup washer (6/31831), hand switch (44) and shims (5/31831).
•
unscrew the adapter (4/31831)
7.5 Extract the thrust pin (10) for the plug connector through the threaded hole and tip out the oil.
7.6 Press against the ball of the valve (43) with a screwdriver inserted through the threaded hole.
The remaining oil will run out.
NOTE! Collect the oil with due regard to the environment and dispose of it in a
suitable container .
7.7 Grip the HP 450 in a vice as illustrated.
NOTE! Grip the cylinder at the inlet pressure valve (See illustration)
7.8 Strike the head (1) with a plastic hammer to undo the thread
(head/cylinder).
7.9 Unscrew the head (1).
WARNING! The head (1) is under spring pressure. When
unscrewing the head (1), press it down against
the spring pressure with one hand.