Komatsu PC1250-11, Original Instructions Manual

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2.
Blow the mud, dirt, or leaves if they are clogging the air
conditioner condenser fin (A), fuel cooler fin (B), aftercool-
er fin (C), oil cooler fin (D), radiator fin (E). Clean the net in
front of the oil cooler and aftercooler at this time.
REMARK
• Remove the plate (5). Clean the radiator fin (E), oil
cooler fin (D) by using the L-shape cleaning tool as
shown in the figure.
(a): Air
(b): Nozzle
(c):300 mm
(d):300 to 500 mm
(e):160 mm
• Steam or water may be used instead of compressed
air, but keep a distance from the fin.
• Ask your Komatsu distributor for cleaning if the radia-
tor fin (E) and oil cooler fin (D) are grossly dirty.
• You can clean it by rotating the fan in reverse.
• Aftercooler fan does not have the fan reverse function.
• For the method of the fan reverse mode, see “RE-
VERSE HYDRAULIC FAN”.
3.
Remove the plates (6), (7), (8) and undercovers (9), (10),
and (11) to sweep out the mud, dirt, and leaves to the out-
side of the machine.
4.
Check the rubber hoses. If any hose is cracked or hard-
ened by age, replace with a new one. Also check and
tighten all loose hose clamps.
MAINTENANCE MAINTENANCE PROCEDURE
4-49