Hitachi EW2800 [10/44] Ordinary maintenance caution

Hitachi EW2800 [10/44] Ordinary maintenance caution
10
In order to avoid damages to the ge-
nerator, we suggest only expert pe-
ople to proceed with the SCRATCH
ARC welding.
NOTES:
3 "     !
J]^
/
3" 
welding, without lateral movement, maintai-
[\!/
#')2
#')0
Gas valve
10.0 ORDINARY MAINTENANCE
CAUTION!!!
BEFORE CARRY OUT ANY MAINTENAN-
CE, UNPLUG THE MACHINE FROM THE
MAINS POWER SUPPLY.
"    !  
time is directly related to the frequency of
maintenance jobs, such as:
For welding machines only need to be taken
"!/-

< "/
- Remove all traces of dust in the inner
parts of the generator with a jet of compres-
J
- Check all electrical connections, making
!

< 4!<
< /
- After completing the above operations,
the generator is ready to be restarted fol-
!

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In order to avoid damages to the ge 10 0 ORDINARY MAINTENANCE nerator we suggest only expert pe CAUTION ople to proceed with the SCRATCH ARC welding BEFORE CARRY OUT ANY MAINTENAN NOTES a The arc length generally varies between 3 and 6mm depending on the type of joint type and thickness of material and so on b The torch is advanced in the direction of welding without lateral movement maintai ning the torch angle of 45 to the workpiece 10 CE UNPLUG THE MACHINE FROM THE MAINS POWER SUPPLY The efficiency of the welding system over time is directly related to the frequency of maintenance jobs such as For welding machines only need to be taken care inside The dustier the working environ ment is the more often this should be done Take off the lid Remove all traces of dust in the inner parts of the generator with a jet of compres sed air at a pressure under 3Kg cm Check all electrical connections making sure that nuts and screws have been firmly tightened Do not delay in replacing worn out parts Put the lid back on After completing the above operations the generator is ready to be restarted fol lowing the instructions given in this manual

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