Service instructions
After disassembly of pulse unit, fill with oil according to operation No. 1-3 below. Run
the machine in a vice for 10 seconds according to operation No. 5 below. Then continue
according to operation No. 6-12. For best performance use Atlas Copco Hydraulic Oil for
ErgoPulse. The Oil Filling Kit is composed of Atlas Copco Hydraulic Oil for ErgoPulse
22 cST/40° C (ISO VG22) 150 ml and a syringe (1 ml). Ordering No. : 4081 0121 90.
Other hydralic oils of the same type can also be used.
Oil : 22 cSt / 40 ˚C (ISO VG22)
1
To refill the pulse unit
Keep the pulse unit at normal room temperature.
A
Before the refill: Let the bubbles in the oil fade away, at least 30 min. after last
run. Check that there are no bubbles in the oil and that the pulse unit is completely
full (100%) before reducing the oil volume according to operation No. 10.
Correct oil quantity: Fill to 100%, then reduce according to table. After the refill - check the tightening
torque, and pulse frequency according to test methods.
Oil volume to be
reduced from 100%
0.70 ± 0.05 ml
Oil : 22 cSt / 40 o C (ISO VG22)
OFF
2.5 mm
6
70
3
2
Screw to stop
Approx. oil volume
in pulse-unit
14 ml
7
No. : 4080 0775 80
5 ml
8
© Atlas Copco Industrial Technique AB - 9836 1295 03
EN
2 Nm
2.5 mm
4
Fill full
9
Fill to 100 %
1 ml
EP12XS HR13
6 – 7 Bar
5
Ca 10 Sec.
Reduce
10
according to table
No. : 4080 0841 80
1 ml
2 Nm
2.5 mm
11