CAP881
33
6.2 Air Filter
The air filter is the primary protection of the compressor from harmful dirt being ingested into the oil
system. It needs to be inspected weekly for clogging or holes. The period for these inspections is
dependent on the environment the machine is in (at least 2000 hours).
Element Inspection and Replacement
1.
Switch off the unit; disconnect the power, and lock and tagout to prevent accidental starting.
2.
Allow one minute after stopping for the system to settle and the pressure to be relieved.
3.
Loosen the wing nut that secures the cover, and remove the cover.
4.
Loosen the wing nut that secures the element and remove the element.
5.
Place a bright light inside the element to inspect for damage or leak holes. Discard any element that
shows the slightest hole.
6.
Inspect all the gaskets and gasket contact surfaces of the housing. Correct any faulty conditions
immediately.
7.
Clean the housing with a damp cloth. Do not blow out dirt with compressed air.
8.
Place a new element in the housing and re-secure in place with the wing nut.
9.
Replace the cover and tighten the wing nut.
10.
Reset the filter service advisory in the controller and the machine will be ready for operation.
6.3 Oil Filter
The oil filter in the compressor system is a full flow replaceable canister type. Initially, the filter should
be replaced after 500 hours of operation, then every 2000 hours. This element protects the compressor
bearings from grit and dirt ingression throughout the system. A dirty filter will cause an oil flow
restriction that can result in high oil temperature and a unit shutdown.
DANGER
Hot oil under pressure will cause severe injury, death, or property damage.
Be sure the compressor is shutdown and pressure relieved before attempting to
remove the oil filter, separator, filling oil, or changing the oil.
Oil Filter Replacement
1.
Switch off the unit; disconnect the power, and lockout and tagout to prevent accidental starting.
2.
Allow one minute after stopping for the system to settle and the pressure to be relieved.
3.
Using a strap wrench, remove the old element and gasket.
4.
Clean the gasket surface with a clean rag.
5.
Apply a light film of oil to the new gasket.
6.
Hand tighten the new element until the new gasket is seated in the gasket groove.
7.
Continue tightening by hand an additional ½ to ¾ turn.
8.
Reconnect power and reset filter service advisory.
9.
Restart the machine to check for leaks.
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