75
PREPARATION FOR OPERATION IN
COLD WEATHER
1.
Replace engine oil and hydraulic oil with
those of viscosities suitable for cold
weather.
2.
In cold weather, battery power drops, and
the battery fluid may freeze if the battery
is not sufficiently charged. To prevent
the battery fluid from freezing, be sure
to keep the battery charged at least 75%
or more of its capacity after operation.
To ease next starting, it is recommended
to keep the battery stored in closed or
heated rooms. If the battery fluid level is
too low, do not add after operation, but
add with the engine running before the
next operation.
3.
Add anti-freeze to coolant in the radiator
and reserve tank, if the ambient
temperature is expected to drop below
0ºC. Mixing ratio of water and anti- freeze
depends on the expected ambient
temperature.
Mixing ratio between water and anti-
freeze
Ambient
Temperature
C
–5
–10
–15
–20
–25
–30
–35
Antifreeze % 30 30 30 35 40 45 50
Water %
70 70 70 65 60 55 50
IMPORTANT:
Use permanent anti-freeze or longlife
coolant.
Drain the coolant completely and clean
inside of the radiator then fill with the
water and anti-freeze mixture.
The anti-freeze acts as an anti-corrosive,
it is not necessary to add an additive to
the water and anti-freeze mixture.
See “Coolant check” under “DAILY
CHECKS”
in
“MAINTENANCE”
for
radiator fill volumes.
PROCEDURE AFTER DONE WORK
Clean the excavator thoroughly after work
and wipe dry. Otherwise mud and earth on
the tracks could freeze if the temperature
drops below the 0ºC mark. Operation of the
excavator is then not possible. Store the
excavator in a dry place; if not possible, store
on wooden planks or on mats. If the excavator
is kept on damp or muddy ground, the tracks
could freeze overnight. Operation of the
excavator is then not possible. Furthermore
the reduction gear may be damaged.
Additionally, the piston rods of the hydraulic
cylinders must be rubbed dry. Otherwise
severe damage could occur if dirty water
seeps through the seals.
OPERATION UNDER COLD WEATHER CONDITIONS
Содержание A23S
Страница 1: ...VERSION 09042022 POWER BY A23S A25SE CRAWLER EXCAVATOR OWNER S HANDBOOK...
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