Operations & maintenance manual – ASTRA evo (DDE)
ARGALAIR 2020 | Rev. 6
44
•
clean all the parts with a damp cloth;
•
replace the worn parts with genuine spare parts;
•
stainless steel bolts should be lubed to reduce the possibility of seizing (suggested
copper grease
);
•
to reassemble the pump, follow the disassembly instructions in the reverse order.
PROCEDURE FOR TIGHTENING THE FLUID CHAMBERS ON THE CENTER BLOCK
With empty pump:
1. Manually tighten the fluid chambers bolts (pos.21) on both sides.
2. Connect the air supply line, set the air pressure to 5 bar (72.5 psi), then start the pump.
3. In most cases air leaks will occur and the pump may not work. This is normal.
4. While the pump is running, gradually tighten the bolts (pos.21) on both sides, according to a cross
pattern*, until there are no more leaks.
5. Evenly tighten the bolts (pos.21) to the prescribed torque (see table 7), again according to a cross
pattern *
* Diametrically opposite sequence. Example :
TIGHTENING TORQUES
Please respect the maximum applicable torque specifications for the respective threaded connections:
MODEL
POS.
CONNECTION
TIGHTENING
TORQUE (Nm)
Содержание ASTRA Evo DDE 030
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