Handling In The Hot Season - Mitsubishi 4DQ50 Service Manual

freezing of pipes. So bleed (or prime), fuel tank, fuel filter, etc.
4) At low temperature, battery capacity goes down, hence batteries should be
covered with a tarpaulin sheet, or be stored in a warm place when not needed.
Keep the specific gravity of battery electrolyte' above 1.25 so as to prevent it
from freezing. (Refer to Par. 6-4, "Batteries" Chap. 3).
5) Warm up the engine well, and never overstrain it.
During operation, watch thermogauge and if it gives any sign of overcooling,
put a cover on radiator.
9 HANDLING IN THE HOT SEASON
1) Use engine oil intended for summer. (Refer to Chap. 2, "Engine Oil".)
2) Keep the tension of fan belts properly adjusted so as to allow them a slack of
12mm. (Refer to Par. 5-3 "Tension of fan belt" Chap. 3) Watch thermogauge, too.
When cooling water has started boiling from overheat, Don't stop the engine at
once, but let it idling for a time, Waiting for water temperature to fall.
3) Check battery electrolyte level every day and if lower than specified, add distilled
water.
4) When the engine is to be left idle under high temperature for several days or longer,
store batteries in a cool dark place to prevent their self-discharge.
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