Piston Liquid End (Tzka) - ProMinent Makro TZ Operating Instructions Manual

Repair
Disassembling liquid end
Servicing liquid end
Page 36
If the diaphragm rupture sensor opens at every stroke, unscrew it until it remains just open
and then screw on nut
Screw the housing back on (is the O-ring seated correctly beneath?)
Tighten the union nut on the PG threaded connector (must be sealed.)
11.3

Piston liquid end (TZKa)

Remove the protective cover (4) from the turret (see Fig. 25)
Remove circlip (2) from the bolt on the coupling head and remove bolt (1)
Place a sling around the liquid end and attach to a crane.
WARNING
• A helper should steady the liquid end by hand.
It could slip out of the sling if allowed to swing freely.
• Ensure that the pistons cannot fall out!
(Where applicable: remove leakage or flushing hoses from the hose nozzles (5))
Remove locking screws (3)
Remove the liquid end and place on a firm, level base.
5
Fig. 26
Unfasten the tensioning screw (3) with the face spanner and remove (see Fig. 26)
Unfasten screws on liquid end flange (4) and remove liquid end flange
Remove piston (1)
IMPORTANT
Make a note of the order in which you remove the parts.
Fig. 25 Diaphragm rupture sensor (*)
1 2
4
3
1 Bolt
2 Safety collar
3 Locking screw
4 Protective cover
5 Hose nozzles for
leakage/flushing
connector
ProMinent ®