3-99 INSPECTION AND MAINTENANCE
(4) Inspection of air dryer
1. At end of every 15,000km or 2 months
operation
Check for the drain amount and outflow of
oil when draining condensation and dirts
from air tank. (When oil is detected, check
compressor.)
2. At end of every 45,000km or 6 months
operation
Disassemble air dryer and check if
MTB0090
dessicant has been moistened by dirts. If
the dessicant is found to be wet for about
more than 1/5 of all, change it. (In wet
condition, the capacity drops.)
3. At end of every 90,000km or 1 year opera-
tion
- Disassemble air dryer and change
dessicant, oil filter, cloth filter and whole
rubber parts.
- Check air tubing and wiring connec-
tions.
(5) Operation of air dryer
Season
Spring,
Summer,
Autumn
(warm or hot
weather)
Winter
(cold
weather)
Descriptions
1. Before driving, always check
the air pressure(DR-5:8.9kg/
cm
2
) in air tank.
2. When parking, check the
amount of drained water and
foreign substances in water.
1. As thermostat is installed in
air dryer, when the sensing
temperature is above 44C,
the electric current to heater
is cut off automatically.
2. Before or after the operation,
always follow the above ins-
tructions 1 and 2 to care for
air tank.
*
In the case that temperature drop in air tank
exceeds 16C, a small amount of water may
be drained.
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