Global Machinery Company AC30G - Manual (Page 14)

Maintenance
1. After the first 10 hours of working, empty the crank
case of oil and refill with clean oil by removing the
crank case oil plug (left hand side of the crank case at
the bottom)
NOTE. Use good quality compressor lubricating oil.
• SAE30 or L-DAB 100 over 10°C
• SAE10 or L-DAB 68 under 10°C
2. After each subsequent 500 hours of operation, again
drain the oil and refill the crank case with clean oil.
3. After each day of
operation, use the drain
cock (11) under the
tank to drain off any
condensate.
4. Regularly check the air
filter cartridge inside the
air filter assembly (17)
and replace the cartridge
when necessary.
14
Troubleshooting continued
Trouble Possible cause Suggested Remedy
Insufficient pressure or decreased
outlet capacity
Motor running too slow Use authorised service centre to check
and repair if necessary
Dirty air filter cartridge Clean or replace the filter cartridge
Leaking safety valve Use authorised service centre to repair
or replace the switch
Leaking pipe Use authorised service centre to check
and repair if necessary
Damaged gasket Use authorised service centre to check
and repair if necessary
Damaged or carbon coated valve seat Use authorised service centre to check
and repair if necessary
Damaged piston ring or cylinder Use authorised service centre to check
and repair if necessary
Excessive oil consumption Oil level too high Maintain the oil at the correct level
Hole in oil filling cap (14) blocked Check and clean
Piston ring and/or cylinder worn or
damaged
Use authorised service centre to check
and repair if necessary
AC30G_AC40G 12/8/05, 4:49 PM 14