MAINTENANCE 4.9 EVERY 50 OPERATING HOURS OR WEEKLY
313
4.9.5 HYDRAULIC OIL COOLERS - INSPECT AND CLEAN IF NECESSARY
See illustration Z24056
WARNING
● Provide adequate working platform for safe access to the
hydraulic oil coolers.
● Before removing mounting bolts (1) of the hydraulic oil
cooler door (2) check to make sure that all door hinges
are in good condition and properly fastened on their car-
rier frames. If cracks are found at the welded joints of the
hinges, DO NOT remove mounting bolts (1) otherwise the
cooler door may become detached and fall off. Danger of
accidents. Have the damage repaired as soon as possi-
ble.
CAUTION
Never clean the oil coolers with the engine running or with
the cooler fans still rotating.
1. Loosen mounting bolts (1). Open door (2)
EMARK
Details (A and B) show LH hinge mounted oil coolers. The descrip-
tion below applies also to RH mounted oil coolers.
2. Swing out oil coolers (4 and 5) and secure door (2) and oil coolers (4
and 5) with locking bars (7, 8 and 9).
3. Clean the oil coolers with compressed air. Direct the air flow from
inside to outside.
CAUTION
When using a steam cleaner, wear safety glasses and protec-
tive clothing. Hot steam can cause serious personal injury.
4. After cleaning, bring back the oil coolers to their home position.
PROCEED AS FOLLOWS
● Disengage locking bars (7, 8, 9). Put them in storage position (10).
● Swing back inner cooler (5). Take care guide pin (A) fits into hole (B)
of main frame (6).
● Swing back outer cooler (4); observe (A - B).
● Close door (2); observe (B - A). Install mounting bolts (1) and tighten
securely.
OTICE
When cleaning the oil coolers, also inspect laying and fastening of
the hydraulic oil lines.
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