Komatsu WB93R-5, Operation & Maintenance Manual

Page: 214 / 284

MAINTENANCE PROCEDURES
212
4.8.8.f CHECKING THE HYDRAULIC TRANSMIS-
SION OIL LEVEL
WARNING
q
Check the oil with the machine parked on level ground and
lifted loader arm with engaged safety lock.
q
The level must be checked with running engine and trans-
mission oil at operating temperature; be very careful, in or-
der to avoid burns.
q
Let all the work equipment safety locks engaged, apply the
parking brake and do not move the gearshift lever.
The dipstick (1) can be reached after opening the engine hood.
See "3.5.1 ENGINE HOOD".
The oil level must be checked with the engine idling and the oil at
running temperature.
The oil must always reach the maximum level or be very near it.
Top up through the opening used for the dipstick (1), using the
prescribed oil (see "4.3 FUEL, COOLANT AND LUBRICANTS").
4.8.8.g CHECKING THE WHEEL NUT DRIVING
TORQUE
This check serves to restore the correct driving torque of the
wheels on the hubs.
The driving torque must be checked by means of a torque wrench
(1) set according to the values indicated in paragraph "4.4.2 SPE-
CIFIC DRIVING TORQUES FOR SCREWS AND NUTS".
(Use a 27 mm wrench for the front wheels).
(Use a 32 mm wrench for the rear wheels).
IMPORTANT
q
Do not increase the specified driving torque and keep it
within the prescribed ranges.
q
Avoid lubricating the thread when the driving torque must
be checked.
RKAB3940
1
MAX.
MIN.
RKAB3950
1
https://tractormanualz.com