Global Machinery Company AC30G, AC40G Maintenance, Trouble Possible cause Suggested Remedy

Troubleshooting continued

Trouble	Possible cause	Suggested Remedy
Insufficient pressure or decreased	Motor running too slow	Use authorised service centre to check
outlet capacity		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	Use authorised service centre to check
	damaged	and repair if necessary

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

AC30G_AC40G14

12/8/05, 4:49 PM