Ergon 60800N, Operator'S & Parts Manual

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Crack-Vac Model 100G Manual
Chapter 6 Maintenance Instructions
©2020 by Crafco, Inc. All Rights Reserved Maintenance Instructions 6-9
Compressor Oil
Step Action
WARNING
Relieve all pressure from system before starting an oil change.
1
Clean the area around the filter and the drain plug to prevent contamination.
Reference
Figure 5-3 Compressor Fluid Level
2 Remove the oil drain plug and drain the oil into a container with a minimum
capacity of 1 gallon (4 liters).
3 Inspect the Viton O-ring on the plug for damage, hardness or defects and replace
if necessary. Install and tighten the oil drain plug.
4 Remove the oil filter. Ensure the threaded nipple did not unscrew with the oil filter.
If the nipple came out with the filter, remove it from the filter carefully to prevent
damaging the threads.
5 To reinstall the nipple, thoroughly clean the threads and apply Loctite 242 (blue) to
the end with the short threads and replace it in the tank.
6 Clean the gasket sealing surface on the front of the tank and inspect it for damage.
The surface must be free of old gasket and smooth to ensure a good seal.
7 Apply a thin coat of compressor oil to the rubber gasket on the oil filter. Spin the
filter onto the threaded nipple until the gasket contacts the sealing surface on the
tank, then tighten the filter an additional ¾ to 1 turn to seat the gasket
8 Remove the fill cap and fill with compre
ssor oil until it reaches the “MAX” mark,
approximately 1 gallon (4 liters) of oil. Replace the fill cap.
9
Start the engine and check for oil leaks. Allow the system to build to pressure and
then shut down the system following the procedure in
Table 5-7. Relieve all
pressure from the system.
10 Allow the system to sit for 5 minutes, check the oil level through the sight glass.
The level
must be between the “MIN” and “MAX” level indicators.
Blowdown Muffler.
Inspect and maintain compressor oil level daily, add oil as needed. Use only VMAC compressor oil.
Check oil level at ambient temperature and with no pressure in the system. Change compressor oil
and filter every 500 hours of operation. Reference
Figure 5-3 Compressor Fluid Level
Table 6-4 Changing Compressor Oil
The blowdown muffler is a regular service item and must be replaced every 1000 hours of
operation. Visually inspect the blowdown muffler for evidence of corrosion or loss of functionality.
Ensure the muffler allows the blowdown to depressurize the system. Reference
Table 6-5 Testing
the Blowdown Muffler