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Section 5 • Maintenance/Service
VSS/VSM/VSH/VSSH • Installation, Operation and Maintenance Manual • Emerson • 35391SD
Drain Oil From Isolated Oil Filter
(Reference Figure 5-13)
6. Remove plug from bleed valve on oil lter housing.
7. If needed, attach a hose with 1/4” male adapter to
bleed port to aid in controlling discharged oil.
8. Using a drain pan, slowly open bleed valve and al-
low oil to completely drain from lter housing.
Oil Filter Element Removal
(For 3111A Oil Filter Housing - See Figure 5-13)
NOTICE
Dispose of used oil in an appropriate manner following
all Local, State and Federal laws and ordinances.
9. Remove locking ring and lter housing from head
assembly.
10. Remove lter element from internal port of head
assembly.
11. Clean lter element connection area of head as-
sembly and interior of lter housing.
12. Remove (head-to-housing) O-ring from inside of
lter head. Discard O-ring.
Oil Filter
Drain Valve
OIL OUTLET TO
COMPRESSOR
Oil Filter Head
Assembly
Oil Filter
Mounting Bracket
Oil Filter Element
Locking Ring
Oil Outlet
Connection
Figure 5-13. Filter Assembly and Oil Strainer Drain Valve
(VPN 3111A Oil Filter Housing Shown)
View Rotated 180˚
Oil Strainer
Drain Valve
Oil Filter
Outlet Valve
Temperature
Gauge
OIL INLET FROM
OIL COOLER
Temperature
Element
Oil Inlet
Connection
Oil Filter
Housing
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