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2. MAINTENANCE –
AT LEAST 1 x YEAR
2.1. OIL CHANGE
⚠
WARNING
Danger of injury by liquids escaping under
pressure.
–Depressurise the entire system before main-
tenance and repair work.
⚠
ATTENTION
Dispose of used grease, oil and solvents in an
environmentally responsible manner accor-
ding to legal regulations.
Fill the spray tank with a sufficient quan-
tity of water.
Close the spraying valves and control unit.
Start the Altek pump drive.
Let the Altek pump work for 5 min.
⚠
The oil is slightly warmed up and flows
better.
⚠
Switch off the Altek pump drive.
⚠
Take the cover off the oil reservoir (4) and
⚠
open the bleed screw plug (5) on the ventila-
tion opening.
⚠
Open the front oil drain screw (1) – drain
the oil.
⚠
Open the rear oil drain screw (2) (not P70
⚠
/ P100 / P120) – drain the oil.
Clean the sealing surfaces on both oil
drain screws and housing openings.
⚠
Replace the gaskets (3) (12×18×2 mm; art.
no. 02628) with new ones.
⚠
Screw in the oil drain screw with new
gaskets.
⚠
Tighten the oil drain screws to a tighte-
ning torque of 40 N· m (30 lbf· ft).
⚠
Before refilling ensure both drain plugs
are refitted using new sealing washers
⚠
The pump can be refilled through the re-
servoir . Leaving the vent plug out to prevent
⚠
© Altek GmbH, 02/2021 – 83651, Version (c)
⚠
Maintenance Piston Diaphragm Pumps
air lock.
When oil appears through the vent port
of the pump the vent plug should be repla-
ced.
Tighten the screw plug (5) to 30 N· m (22
lbf· ft) and close the cover.
Refit the Oil Reservoir lid
⚠
Start the pump - checking that the pump
has the correct level should be carried out
after the pump has been running for a mini-
⚠
mum of 1 minute
If no oil is seen in the reservoir after 1
⚠
minute running oil can be added by removal
⚠
of the reservoir cover. DO NOT OVERFILL
If necessary repeat the process.
⚠
⚠
6
⚠
INFORMATION
Use the prescribed oil – see label (6)
Checking the oil level of the Altek pump –
see note on oil gauge
The altek Altek pump is ready for opera-
tion.
⚠
E N
19
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