V-line 899x.xxx
USER’S MANUAL
44
ATTENTION!
Before performing all service and maintenance work on mechanical, hydraulic and
electrical components, it is always necessary to securely disconnect the power
supply to the dispenser and ensure reliable re-connection during maintenance!
Only approved components may be used when replacing parts. All parts subject to
approval must always be in a state that prescribes the technical documentation
(leakage, earthing, electrostatic conductivity, etc.)
After any service intervention and remounting it is necessary to check visually the
tightness of the bolted connections and possible fuel leakage shall be eliminated.
9.1.
Pumping monoblock
Prior to the first start after installation it is necessary to prime the pumping monoblock by pumped fuel.
It is carried out by dismantling the filter cover, at first two nuts are removed. Then the liquid is filled
through the filter. The pump has to be manually rotated several times after priming. Then the chamber
is covered and nuts are properly tightened. Basic maintenance consists of the filtering sleeve exchange,
regular tightening of the filter cover nuts and fixing of the bolts of the monoblock to the bracket.
After dispensing a million dm
3
through the
dispenser or once per a year at least check the greasing
condition of the pump ball bearing. If necessary grease the bearing by LITOL 24 lubricating grease or a
grease of similar quality. Checking should be performed after dismantling the pump belt pulley.
Possible defects of the monoblock:
clogged filter - exchange the filtering sleeve
faulty venting, air bubbles appear in the sight glass - it is necessary to check the condition of all
sealing parts of the monoblock and complete suction piping
leakage of the seal - possible seizing of the bearing
irregular running of the dispenser and higher noise -
malfunction of vanes
Filling station operators replace the filtering sleeve. Other defects
shall be serviced by a qualified repair shop!
9.1.1.
Changing the filter element – pumping monoblock
with lower suction
1.
When replacing the filter insert Protect your hands from
splashes your skin the pumped liquid!
2.
Dismantle three screws (2) of the filter cover (1) and
remove the lid. After removing the pressure plate (4),
pulling it upwards to remove the filter insert (5) of the
filter body (6).
3.
Insert the new filter (5) element and perform reassembly.
4.
Check the condition of the sealing "O" ring (3) in the filter
cover. Possibly make his replacement. Damaged seal ring
can cause a malfunction (crashes liquid levels, or air leak).
5.
Chamber to close the filter cover and tighten thoroughly.
9.1.2.
Changing the filter element – pumping monoblock with upper suction
1.
When replacing the filter insert Protect your hands from splashes your skin the pumped liquid!
2.
Unscrew the filter cover nuts and remove the cover for the exchange of the filtering sleeve.
3.
Then seize the flap of the check valve and draw the filter sleeve upward together with the
integrated check valve.
4.
Remove the filter sleeve from the filter body and insert a new filter sleeve.
