ProMinent Makro TZ Operating Instructions Manual page 35

ProMinent ®
1
2
A
Fig. 24
Remove the hose (4) from the bleed valve (5) and unscrew the valve
Carefully remove the O-ring and the three filter meshes below the bleed valve
Push a highly flexible hose (e. g. electrical shrink tubing) deep into the revealed opening to act
as breather hose
Push a very flexible hose (e.g. electronic shrinkable tubing) deep into the opening which is
now visible
Slowly fill the hydraulic end via this opening with hydraulic oil up to the support surface of the
bleed valve (approx. 0.65 l hydraulic oil Mobiloil DTE 11, 1.0 l, order no. 555332)
Thoroughly clean the outside of the bleed valve (5) with compressed air
Fit o-ring and sieve
Screw in the bleed valve (5)
Attach the bleed hose (4)
Unfasten the union nut on the PG threaded connector on the housing of the diaphragm
rupture warning system
Unscrew the housing diaphragm rupture warning system
Unscrew the diaphragm rupture sensor a few turns (see Fig. 24)
Screw in the diaphragm rupture sensor until it switches
Now unscrew the diaphragm rupture sensor until it closes (use continuity tester) then screw
on nut (do not mount housing yet)
Reconnect liquid end on the suction and discharge sides (check seals)
Switch on the pump
Set desired stroke
If feeding against pressure, hydraulic oil must start to flow slowly along the hose to the bleed
valve after a few minutes.
NOTICE
If hydraulic oil does not flow through the hose (4) to the bleed valve, stop the pump
immediately and contact customer service. The liquid end may otherwise be seriously
damaged.
Operate pump against pressure
5 4
3
B
A Liquid end
B Hydraulic end
1 Nuts
2 Diaphragm
3 Acrylic glass plug
4 Breather hose
5 Vent valve
Function_HMH_1_2
Repair
Page 35