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OILCONSUMPTIONCHECK
A rule of thumb in determining a "passing grade" for oil consumption
is to consider consumption at or above 50 horsepower-hours per
ounce to be acceptable.
The formula is as follows:
Horsepower X Hours of Operation = Horsepower Hours
Ounces of Oil Used per Ounce
To apply this formula, consider the size of the machine. In the
following example, a 5 horsepower compressor uses 2 ounces of oil
every 20 hours of operation.
5 Horsepower X 20 Hours of = 50 Horsepower
Operation Hours per Ounce
2 Ounces of Oil Used
The compressor in the example passes the oil consumption test.
NOTE New or rebuilt compressor pumps will discharge
higher than normal amounts of oil until the piston
rings are seated (approximately 100 operating
hours).
A WARNING
NOTE
NOTE
NOTE
NOTE
NOTE
Before performing maintenance, release air
pressure from the system and disconnect, lock and
tag the main power supply or disconnect the wire
from the engine spark plug.
All compressed air systems contain maintenance
parts (e.g. lubricating oil, filters, separators) which
are periodically replaced. These used parts may be,
or may contain, substances that are regulated and
must be disposed of in accordance with local, state,
and federal laws and regulations.
Take note of the positions and locations of parts
during disassembly to make reassembly easier. The
assembly sequences and parts illustrated may differ
for your particular unit.
Any service operations not explained in this manual
should be performed by an authorized service
representative.
Reference the engine owner's manual for engine
care information.
The following maintenance schedule has been
developed for typical applications. Maintenance
intervals should be shortened in harsher
environments.
Daily or Before
Each
Operation
Weekly
Monthly
3/500 *
6/1000 *
12/2000 *
MAINTENANCE SCHEDULE
• Check for oil leaks.
• Check lubricant level. Fill as needed.
• Drain receiver tank condensate (if automatic
draining device is not provided). Open manual
drain valve and collect and dispose of
condensate accordingly.
• Check for unusual noise and vibration.
• Ensure beltguards and covers are securely in
place.
• Ensure engine (if supplied) is filled with fuel
and lubricant according to the manufacturer's
recommendations.
• Ensure area around compressor is free from
rags, tools, debris, and flammable or
explosive materials.
• Check system oil pressure on pressure
lubricated models while compressor is hot.
• Observe operation of safety/relief valves while
the compressor is running. Replace
safety/relief valves that do not operate freely.
• Inspect air filter element(s). Clean if
necessary.
• Inspect for air leaks. Squirt soapy water
around joints during compressor operation
and watch for bubbles.
• Check tightness of screws and bolts. Tighten
as needed.
• Inspect drive belts. Adjust if necessary.
• Clean exterior.
• Change petroleum lubricant while crankcase
is warm.
• Drain compressor oil and clean oil sight glass
• Replace oil filter and change lubricant (if
necessary) on pressure lubricated models.
• Install maintenance pak
--or-
• Change synthetic lubricant while crankcase is
warm.
• Replace filter element.
* indicates months/operating hours, whichever occurs first.
FILTER INSPECTION & CLEANING
1. Unscrew and remove the wing nut (A) securing the filter housing (B)
to its base (C).
2. Remove the filter housing and withdraw the old filter element (D).
Clean the element with a jet of air or vacuum.
3. Replace the filter element and housing, securing it in place with the
wing nut previously removed.
/
A
OIL CHANGE
1. Remove the oil drain plug (A) and allow the lubricant to drain into a
suitable container.
2. Replace the oil drain plug.
3. Follow the filling procedures in OPERATION section,
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