BOC Edwards 306 Series, Manual

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2.6.3
(B) �
MODEL 306/310 BLOWER
Tho bo,lf'inos in the bearing housing (drive end) reservoir are lubricated by splash from an
oil slinrior that dips into the oil sump.
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2.G.4
(C) -
In Llio fJO.:u· housing r,3servoir that gears are lubricated by partial immersion in the oil sump.
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Splash from the rJems lubricaLes both gem end beElrings.
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2,6.ti
To fill bcn1rint,J housing (drive end) and gear housing reservoirs. STOP UNIT AND BREAK
VACUUM. LUBRICATING OIL MAY NOT 13E ADDED WHILE VACUUM BOOSTER IS
IN OPEHATION. Note that bearing housing (drive enc!) and gear housing reservoir m11y be
under v,1cuum. The following table shows the normal o[I capacities of the oil reservoirs,
The oil may be i:1ducd to tho lip seal reservoir during opercJtion.
Appropriate Oil Capacity in Fluid Oz. (Milliliters)
For other than oxyi:en service, See Note 2 for recommended oil.
.............. -................. __
,,
______ ,---------•--'-'��-·�'"'""''
.
., ...... "·•----------�
PIPING
�.�J\I.N�.�I.�.�.�
�.�.�-•-��.�.���----�
ERTICAL
"°-·�-�.��.�.���-- ..
�-�����.AL ..
S�AL
7.75
7.5
229
220
RESERVOIR
,_, e,•a••w•••• "' ,_ .. ... ___ ,. ___ ,
---------J.----,w•••A-" "•�••••-•-•�---+---�
DRIVE END
3.75 7.75
111
230
BEARING
HOUSING
,, ••�•�•:�:.!•�------8-,2-5--+-••-•-•�••;��M---_,,_,.,,._?._44----+---3-7-0---1
,, , O'Ulffl I' 1" • I , • 1-• n '•""""••�-•--•••� -•••••• ... ---- !-.•-•-•-••• , •••• ... !., �-..-• •• •,�1.•,, ,, .. ,,,,,.,., r••1n•,,.,,_.,. _____ , �••-••-••--••••n•-• •-•
2,6.6 Fill the throe reservoirs witl1 the reco1r1mended lubricant to the middle point of tho sightglnsscs.
Wait for� pmiod of three minutes to allow oil level to equali7,e,
NOTE:
DO NOT OVERFILL OR PERMIT OIL LEVEL TO FALL BELOW THE
BOTTOM OF THE SlGHT GLASSES
When the unit is operntin\J tho oil level may fluctuate slightly, All fill and drain plugs should be sealed. If
lho sn;,1 rcsf:rvoir is overfilled, excess oil rnoy How from the oil cup reservoir when thi.':l oil is heated. No
h�rrn will bo done to tho booster if this leakage occurs m1d th0 l0akage will stop as soon as all excess oil
has b�wn expelled. If tho drive end bc.:aring or gear ond reservoirs are ovo, filled, oil may spill over into the
blower body.
NOTE: FOR OXYGEN SERVICE BOOSTERS SEE SECTION 2.4 FOR SPECIAL
LUBRICANT INSTRUCTIONS.
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