Gardner Denver EBB BB-7.5 HP, Operating And Service Manual

Page: 42 / 84

13–8–612 Page 32
SECTION 8
MAINTENANCE SCHEDULE
SERVICE CHECK LIST –
Air Filter – Operating conditions determine frequency
of service. The “CHANGE AIR FILTER” display will
flash to signal that the air filter requires servicing or
changing. See “Air Filter,” Section 6, page 30.
Oil Separator – Operating conditions determine fre-
quency of service. The “CHANGE SEPARATOR” dis-
play will flash to signal that oil separator element re-
quires changing. See “Compressor Oil Separator” in
Section 5, page 27.
Refer to “Compressor Oil Separator”, Section 5, page
27, for further details.
Motor Lubrication – Refer to Section 2, page 11, and
Maintenance Schedule Chart below.
Every 8 Hours Operation
1. Observe if the unit loads and unloads properly.
2. Check discharge pressure and temperature.
3. Check Panel LED’s for advisories.
On All Startups or Every 100 Hours Operation
1. Check the reservoir oil level – add oil if required.
See Section 5. If oil consumption is high, refer to
“Excessive Oil Consumption”, Section 9, page 34.
Every 125 Hours Operation
1. Check for dirt accumulation on oil/aftercooler core
faces and the cooling fan. If cleaning is required,
clean the exterior fin surfaces of the cores by
blowing compressed air carrying a nonflammable
safety solvent in a direction opposite that of the
cooling fan air flow. This cleaning operation will
keep the exterior cooling surfaces clean and en-
sure effective heat dissipation.
Every 1000 Hours Operation
1. Change oil filter element.
Every 2000 Hours Operation
1. Change the compressor lubricant. UNDER AD-
VERSE CONDITIONS, CHANGE MORE FRE-
QUENTLY (refer to “Oil Change Interval”, Section
5, page 26). Flush system if required.
Every Year
1. Check the relief valve for proper operation. See
Section 4, page 16.
MAINTENANCE SCHEDULE (See detail notes above)
Maintenance Action If
Panel Every Every Every Every Every Every
LED is 8 100 125 1000 2000* Year
Lit Hours Hours** Hours Hours Hours
Change Air Filter
D
Change Oil Separator
D
Check Reservoir Oil Level
D
Check For Proper Load/Unload
D
Check Discharge Pressure/Temp
D
Check Dirt Accumulation on Cooler
D
Change Oil Filter Element
D
Change Compressor Lubricant
D
(AEON
t
2000)
Check Relief Valve
D
* See Oil Change Interval Chart, FIGURE 5–3, Section 5, Page 26, for specific lubricant life.
** Check oil before all start–ups and every 100 hours of uninterrupted operation.