Checking and changing the engine
coolant
Handling of cooling system
Engine overheating is caused by
the low coolant level or rust and
scale accumulations in the cooling
system. If the radiator clogs very
badly or coolant is very dirty, per鄄
form cleaning and coolant re鄄
placement as described below. If
the coolant level is low, add
coolant as necessary.
Addition of coolant
If the warning lamp lights when the
starter switch is set to "ON", the
coolant level is low. Note that the
procedure for adding coolant
98
CAUTION:
荫 Check the coolant level be鄄
fore vehicle operation while the
engine is cold.
荫 After checking the coolant
level, be sure to reinstall the
cap positively.
荫 Be sure to add the coolant
containing antirust or anti -
freeze of the same concentra鄄
tion as the coolant in the cool鄄
ing system.
荫 Do not check the coolant
level after the engine has been
stopped. Be sure to check the
level when the coolant tempera鄄
ture is low.
WARNING:
Do not remove the surge tank
cap when the engine is hot.
When the engine is hot, the
coolant is under pressure and
may erupt through the opening
if the cap is removed. You
could be seriously burned if
you do not observe this precau鄄
tion.
Do not remove the surge tank
cap until the radiator is cool to
the touch.
CAUTION
When the cooling system is
cleaned, the coolant or cleaning
solution is drained at elevated
temperature.
Therefore,
be
careful not to get scalded.
VEHICLE MAINTENANCE REQUIREMENTS
varies according to the type of the
engine cooling system on vehicle.
Use city water as coolant and add
anti-rust or anti -freeze to have a
specified concentration for preven鄄
tion of engine or cooling system
corrosion.
Do not use hard water from well
river etc.
Antifreeze
Select proper concentration be鄄
tween 30 and 53% by reference to
the table shown below.
ADJUSTMENT OF BRAKE SHOE
CLEARANCE
Air brake vehicles
If the brake linings are wom and
the clearance between the brake
drum and linings
(brake shoe
clearance) increases, it can be
dangerous because the brake
performance deteriorates. Check
and adjust the brake shoe clear鄄
ance at regular intervals.
荫 The brake shoe clearance
should be determined on the basis
of the stroke of the brake chamber
push rod. If the push rod stroke
exceeds 40 mm (1.57 in.) on the
front wheels or 50 mm (1.97 in.) on
the rear wheels when the brake
pedal is depressed all the way, ad鄄
99
CAUTION:
荫 Be sure to use anti-freeze at
the concentration most appro鄄
priate for the atmospheric tem鄄
perature within a range from 30
to 53% . If the concentration is
below 30%, the anti-corrosion
property will be adversely af鄄
fected. If the concentration is
above 53% , the anti -freeze
property will decrease and en鄄
gine overheating will also be
caused. Use anti-freeze at the
specified concentration.
荫 If winter is over, be sure to
drain the coolant containing an鄄
tifreeze and put In genuine an鄄
ti-rust "RADIPET 9".