Changing The Hydraulic Transmission Oil Filter - Komatsu WB93S-5 F50003 Operation & Maintenance Manual

4.8.11.d CHANGING THE HYDRAULIC
TRANSMISSION OIL FILTER
Soon after the machine has been stopped the transmission
q
unit is very hot and may cause burns; let the machine cool
down before changing the filter.
The oil that may be spilled during the filter change will
q
cause the floor to become slippery; use anti-slip shoes and
immediately remove any trace of oil from the floor and the
transmission unit.
Oils, filters, the coolant and the battery are considered
q
special waste and must be collected and disposed of
according to the regulations in force.
On new machines change the hydraulic transmission filter
q
after the first 250 hours of operation and successively
every 1000 hours.
Carry out this operation whenever the transmission oil is
changed.
Proceed as follows:
1 - Raise the front mat and remove the cover (1).
Use a 13 mm wrench.
2 - Unscrew and remove the old filter (2) by means of the special
wrench provided.
3 - Clean the contact surface between the seal and the filter
support (3).
4 - Lubricate the seal, fit it in its seat and screw the new filter
thoroughly until it touches the seal.
5 - Give another half turn by hand.
6 - Start the engine and let it idle until the oil warms up and
reaches the operating temperature.
7 - Top up until reaching the MAX. mark on the dipstick (4) (see
"4.8.8.f CHECKING THE HYDRAULIC TRANSMISSION OIL
LEVEL").
Always use oil of the prescribed type (see "4.3 FUEL,
COOLANT AND LUBRICANTS").
8 - Put back the cover (1).
AVVERTENZA
ATTENZIONE
MAINTENANCE PROCEDURES
1
3
4
RKAB4300
2
RKAB4310
MAX.
MIN.
RKAB4100
227