Comer PGRF Series - Oil Replacement Procedure; Oil Draining; Oil Topping Off; Oil Filling

First issue 10/14 Release A10/14
PGRF 6/9
OIL
LEVEL
PLUG
OIL
LEVEL
PLUG
PROCEDURE:
• Position the unit with drain plug ( ) placed down.
• Drain the oil: unscrew the drain plug ( ) and, to ensure that all the oil has been
removed, also unscrew the level plugs.
After oil draining:
• replace all plugs and relatives washers or o-ring,
• retallplugsandrelativeswasheronplaceintheirseats.
In order to avoid sludge deposits, change the oil while the gear unit is still warm.
EXAMPLE OF
PLUGS
LAY OUT
EXAMPLE OF
PLUGS
LAY OUT
OIL
DRAINING
OIL
TOPPING OFF
OIL
FILLING
OIL REPLACEMENT PROCEDURE
DRAIN
PLUG
Warning:
if the quantity of oil
used during topping
off is greater than 10 %
of the oil capacity then
check again for leaks
Note:
correct plugs
congurations are
illustrated on the speci-
c external drawings
Note:
correct plugs
congurations are
illustrated on the speci-
c external drawings
Warning:
Do not mix synthetic
lubricants with mineral
lubricants
FILLING
PLUG
Maintenanceoperationsmustbecarriedoutbyqualied,trainedandauthorisedpersonnel
Turn 90° counter-clockwise
PROCEDURE:
• Removelling()andlevelplug().
• Topping up the unit adding oil lubricant from the upperhole(llingplughole)until
correct OIL LEVELreached:theoilowoutfromtheOILLEVELhole.
OIL
LEVEL
PLUG
OIL
LEVEL
PLUG
DRAIN
PLUG
DRAIN
PLUG
FILLING
PLUG
FILLING
PLUG
GROUND
GROUND
GROUND
GROUND
PROCEDURE:
• Removelling()andlevelplug().
• Fill the unit adding oil lubricant from the upperhole(llingplughole)untilcorrectOIL
LEVEL reached:theoilowoutfromtheOILLEVELplughole.
• Whentheoilllingprocedureisnished,replaceandtighteningallplugs.
• Correctoilquantityisindicatedonthespecicexternaldrawing.
Note:
for an effective oil
change, the unit should
be ushed through
with a liquid detergent
recommended by the
lubricant supplier
Warning - BURNS
The oil could be very hot
and could cause burns