Hyundai 110D-9 Manual page 209

28) CHECK TRANSMISSION OIL LEVEL
The oil level check must be carried out as follows;
(1) Oil level check (weekly).
(2) At horizontally standing truck.
(3) Transmission in neutral position.
(4) In cold start phase, the engine must be running
about 2~3 minutes at idling speed, and the
marking on the oil level gauge must then be
lying above the cold start mark COLD.
(5) Check oil level at operating temperature of the
transmission (about 80~90˚C ) and the engine
idling speed.
Loosen oil level gauge by counterclock wise
rotation, remove and clean it.
Insert oil level gauge slowly into the oil level
tube until contact is obtained, and pull it out
again.
On the oil level gauge, the oil level must be
lying in the zone HOT.
Insert the oil level gauge again, and tighten it by
clockwise rotation.
When checking, put the parking brake switch
in the LOCK position and fix the tires with
blocks.
29) REPLACEMENT OF TRANSMISSION OIL
AND FILTER ELEMENT
(1) Operate the truck for a few minutes in order to
warm the transmission oil.
(2) Move the truck to flat ground. Lower the forks
to the ground and slightly apply downward
force.
(3) Put the parking brake switch in the LOCK
position and stop the engine.
(4) Open transmission air breather to relieve internal
air pressure.
(5) Remove the transmission drain plug. Allow the
transmission oil to drain into a suitable container.
7-40
Level
gauge
HOT COLD
ZONE " HOT"
110D9MI41
Air breather
Drain plug
110D9MI42