Sullair 300HH - Maintenance after Initial 50 Hours of Operation; Maintenance Every 50 Hours; Maintenance Every 100 Hours; Maintenance Every 250 Hours

32
375 Caterpillar Standard and Aftercooled/Filtered Operator’s Manual and Parts List
SECTION 5
MAINTENANCE AFTER INITIAL 50 5.3
HOURS OF OPERATION
After the initial 50 hours of operation, the following
maintenance actions are required to eliminate
contaminants from the system:
Clean the return line orice and change the strainer.1.
Change the compressor uid lter.2.
Check the 3. Engine Operator’s Manual for service
requirements.
Check the fuel lter for water.4.
Conrm that the sump cover bolts are tightened to 160 5.
lb-ft (215N•m).
MAINTENANCE EVERY 50 5.4
HOURS
Inspect air lter elements and replace if necessary.1.
Check the fuel lter for water. 2.
MAINTENANCE EVERY 100 5.5
HOURS
After 100 hours of operation:
Clean the radiator and cooler exterior surfaces.1.
Check the 2. Engine Operator’s Manual for service
requirements.
MAINTENANCE EVERY 250 5.6
HOURS
After 250 hours of operation:
Check fan belt tension.1.
Clean the radiator and cooler exterior surfaces. 2.
(Where dust and other atmospheric contaminants are
present, it might be necessary to clean these parts
more frequently.)
Check the 3. Engine Operator’s Manual for service
requirements.
Change the engine oil and lter. 4.
Change the compressor uid if it is not Sullair AWF: 5.
Run the compressor for ve to ten minutes to a.
warm the uid
Shut the compressor down and relieve all internal b.
pressure
Drain the uid sump by removing the plug, or c.
opening the valve at the bottom of the sump tank
Remove any dirt from the uid lter cap before d.
lling the sump
Fill the sump with uid in accordance with the e.
specications in Specifications on page 25 and on
page 26.
Clean or replace the return line strainer.6.
Change the air lter primary elements.7.
Change the compressor uid lter.8.
Clean the return line orice.9.
Change the fuel lter. (If the lter tends to clog more 10.
often than what is expected, change the lter more
frequently.)
Change the engine fuel/water separator.11.
Check the engine rpm idle speed. The idle speed 12.
should be at the specied minimum idle speed listed in
Specifications on page 26 and on page 27.
MAINTENANCE EVERY 1500 5.7
HOURS
If the compressor uid is Sullair AWF, change the uid 1.
and replace the uid lter element. (See Compressor
Fluid Filter Element Replacement on page 33.
Service the engine cooling system.2.
Lubricate axle bearings on wheel-mounted units. 3.
NOTE
The uid change period varies by
uid brand, Refer to the Lubrication
Guide – Compressor on page 28.
WARNING
Operating the compressor at below
its minimum specied idle speed will
damage the compressor. Operating
the compressor in this condition will
cause coupling and/or compressor
failure.