- 136 -
Group
Part
Check
Standard value
Limit for
Correction
Remarks
for assembly
use
Radiator & water pump for corrosion, damage & improper connecting
-
-
Correct or replace
Test for leakage(air pressure) kg/cm
2
1.0
-
Submerge in water and replace if air bubbles found
Radiator
Pressure valve for opening pressure kg/cm
2
0.5
-
Negative pressure valve for opening pressure (kg/cm
2
)
0.2
-
Engine speed 1,800rpm
Cooling
Water
Delivery volume l/min
Water temp 24˚
C
Approx. 270
-
system
pump
Back pressure:1kg/cm
2
Clearance between pump impeller & pump body
0.3~0.6
-
Replace if contacted impeller and pump body
Operating temperature(permissible temp.)
˚C
90~95
95
Temperature above this not
Permissible temperature in a short time
˚C
103
103
allowable
Thermostat opening temp.
Thermostat
(under atmospheric pressure)
˚C
83
-
Replace if defective
Full opening temp.
˚C
95 or lower
-
Stroke : minimum 8mm
Piping
Fuel pipe, injection pipe & Nozzle holder for
--
Correct or replace
and the
damage, cracks, looseness, bad packing
other
Fuel filter element for damage
-
-
Clean or replace
Fuel
Injection pressure of injection nozzle
(kg/cm
2
)
220
-
Adjust by shim
1st : 160, 2nd : 220
System
Opening pressure of overflow valve
(kg/cm
2
)
1.6
-
Replace valve
Height of projected nozzle on the cyl. head (mm)
4.3
-
Replace cyl. head and nozzle
Clearance between injection pump coupling and coupling (mm)
0.2~0.4
-
Running-in the engine
-
-
Refer to supplement “running-in”
Retighten head bolt after running in
Cylinder compression
24~28
24 or
Overhaul the engine
Cylinder
Pressure of cylinder(kg/cm
2
)
more
pressure
Compression pressure
±
10% or less
-
Correct
at 200rpm or more (20
˚C
)
difference of each cylinder
against average
Cooling
water
temp
Inspection
at
completion
