Water Temperature Regulator - Test - Perkins 1103 Series Workshop Manual

42
Testing and Adjusting Section
Personal injury can result from air pressure.
Personal injury can result without following prop-
er procedure. When using pressure air, wear a pro-
tective face shield and protective clothing.
Maximum air pressure at the nozzle must be less
than 205 kPa (30 psi) for cleaning purposes.
4. Thoroughly clean the inside of the cooler plates
with clean water.
Dry the cooling plate with low pressure air.
Flush the inside of the cooling plate with clean
lubricating oil.
5. Install the modine oil cooler. Refer to Disassembly
and Assembly, " Engine Oil Cooler - Install
6. Ensure that the cooling system and the oil system
of the engine are filled to the correct level.
Operate the engine. Check for oil or coolant
leakage.
Water Temperature Regulator
- Test
Note: Do not remove the water temperature regulator
from the water temperature regulator housing in
order to perform the test.
1. Remove the water temperature regulator housing
which contains the water temperature regulator
from the engine. Refer to Disassembly and
Assembly, " Water Temperature Regulator -
Remove and Install " .
2. Heat water in a pan until the temperature of the
water is equal to the fully open temperature
of the water temperature regulator. Refer to
Specifications, " Water Temperature Regulator
for the fully open temperature of the water
temperature regulator. Stir the water in the pan.
This will distribute the temperature throughout
the pan.
3. Hang the water temperature regulator housing in
the pan of water. The water temperature regulator
housing must be below the surface of the water.
The water temperature regulator housing must be
away from the sides and the bottom of the pan.
4. Keep the water at the correct temperature for
ten minutes.
5. After ten minutes, remove the water temperature
regulator housing. Immediately measure the
opening of the water temperature regulator.
Refer to Specifications,
Regulator
the water temperature regulator at the fully open
temperature.
If the distance is less than the amount listed in the
manual, replace the water temperature regulator.
Refer to Disassembly and Assembly,
Temperature Regulator - Remove and Install
Install the water temperature regulator. Refer to
Disassembly and Assembly,
Regulator - Remove and Install
" .
i01889428
"
Water Temperature
"
" for the minimum opening distance of
" Water Temperature
" .
" Water
" .