Maintenance
Safety, Operation and Maintenance Manual - Aug 2012
5-76
SY115C9/135C/155H Crawler Hydraulic Excavator
5.8.6.3
Coolant tank and radiator
fi
ns - inspect/clean
Note:
When compressed air is used for cleaning, it
is important to use the air at certain distance
in order to avoid damaging the radiator fins.
Damage of radiator fins will lead to water
leakage and overheating. Working in a dusty
place, the fins shall be inspected on each
workday despite of the service schedule.
Always prepare your machine as required
and lock/tag it out before proceeding.
See
“Preparing the machine” on page 2-58 and
“Lock-out and tag-out” on page 2-60.
1. Open engine hood (1).
2. Loosen screws (3) and (8). Pull up screens
(2) and (9).
3. Clean the screens.
4. Inspect the coolant tank (4), intercooler
fins (5), A/C condenser fins (6) and the
hydraulic oil radiator
fi
ns (7). Compressed
air can be used to remove dirt and leaves
sticking to the
fi
ns.
Steam or water can also be used to clean
the
fi
ns.
However, a safe distance to the machine
shall be kept when cleaning the heat ex-
changers (of radiator, oil cooler, intercooler
If you are directly impacted by compressed air, pressurized water or steam, or you use
them to purge dirt or debris, personal injury could result. Make sure you are well protect-
ed by wearing goggles, dust-proof mask or other protective gear.
1
CZ135B-1104023
4
7
8
9
CZ135B-1104024
6
5
3
2
CZ135B-1104025
WARNING
Fig. 5-79
Fig. 5-80
Fig. 5-81
