1. routine maintenance, 20 h 25 h, 50 h – Hobart Welding Products ARCSTAR 280 NT User Manual
Page 26: 100 h, 200 h, 500 h, 1000 h
OM-4402 Page 22
SECTION 7 – MAINTENANCE AND TROUBLESHOOTING
7-1.
Routine Maintenance
Recycle
engine
fluids.
Y
Stop engine before maintaining.
.
See Engine Manual and Maintenance Label. Ser-
vice more often if used in severe conditions.
*
To be done by Factory Authorized Service Agent.
8 h
Wipe up spills.
Check fluid levels.
See Section 4-2.
OIL
Full
20 h
25 h
Check and clean
spark arrestor screen.
See Section 7-4.
Service air filter wrapper
(foam element). See
Section 7-3.
50 h
Clean and
tighten weld
terminals.
Clean cooling system. See
engine manual.
100 h
Change oil. See
Section 7-5 and
maintenance
label.
Change oil filter.
See Section 7-5
and maintenance
label.
Clean and
tighten battery
connections.
Service air filter element.
See Section 7-3.
200 h
Check valve
clearance.*
Replace fuel
filter. See
Section 7-5.
Replace
unreadable
labels.
Check spark plugs.
500 h
Repair or
replace cracked
cables.
Service welding generator
brushes and slip rings.
Service more often in dirty
conditions.*
1000 h
Blow out or
vacuum inside.
During heavy
service, clean
monthly.
OR
Clean crankcase
breather valve.
Remove cylinder
head deposits.*