Daewoo D1146, Maintenance Manual

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D1146/D1146TI/DE08TIS
MAINTENANCE MANUAL
102
Printed in Jan. 2001 PS-MMA0415-E1A
4.2. Lubricating System
4.2.1. General descriptions and specifications
z
General descriptions
All the engine oil pumped up from the oil pan by the gear type oil pump is filtrated
through the oil cooler and oil filter, and this filtrated oil is forced through the main oil
gallery in the cylinder block from where it is distributed to lubricate the various
sliding parts, and fuel injection pump in order to ensure normal engine
performance.
z
Specifications
Item Specifications Item Specifications
Lubricating system Forced pressure
circulation
Oil filter type Full flow
Oil pump type Gear type Bypass for filter element
Relief valve opening pressure
10
±
1.5 kg/cm
2
Valve opening pressure
1.8
∼
2.3 kg/cm
2
Bypass for oil cooler Bypass for entire oil filter
Opening pressure 5+1 kg/cm
2
Valve opening pressure 4.0
～
4.8 kg/cm
2
Adjusting valve for spray nozzle
Opening pressure
1.5
∼
1.8 kg/cm
2
z
Diagram of lubricating system
Main oil gallery
Relief valve
Camshaft
bearing
Idle gear
bush
Cylinder head
Rocker arm shaft
Rocker arm bush
Crankshaft
bearing
Connecting rod
bearing
Oil pan
Relief valve
Relief valve
Bypass va
lve
Bypass va
lve
Oi
l co
o
le
r
Oi
l
fil
te
r
Ai
r com
p
re
sso
r
Fue
l
in
jec
ti
on pump
Tu
rb
oc
h
ar
ge
r
P
is
ton sp
ray n
o
zz
le