Hyundai HL970A Operator's Manual page 250

33) 33) CHECK TRANSMISSION OIL LEVEL CHECK TRANSMISSION OIL LEVEL
(1)
The oil level check must be carried out as follows;
oil level check (weekly).
(2)
Before the oil level check, Transmission must
have been running to warm up enough.
(3)
When the oil level is checked, machine must be
on flat ground and engine must be at idling
speed, transmission must be in neutral position.
(4)
Check the oil level on level (sight) gauge.
(5)
Oil level
- Operating temperature (about 80~90˚C)
:The Oil level must be lying in zone HOT
(between two red lines).
- Cold phase (about 40˚C)
:The Oil level must be lying near cold mark (blue
line).
When checking, press the parking brake When checking, press the parking brake
switch and fix the front and rear frames with switch and fix the front and rear frames with
the safety lock bar. the safety lock bar.
34) 34) REPLACEMENT OF TRANSMISSION OIL REPLACEMENT OF TRANSMISSION OIL
AND FILTER ELEMENT AND FILTER ELEMENT
(1) Operate the machine for a few minutes in order
to warm the transmission oil.
(2) Move the machine to flat ground. Lower the
bucket to the ground and slightly apply down-
ward force.
(3) Press the parking brake switch 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.
Filler cap
Zone " HOT "
6-44
Red
Blue
Level gauge
77096MI29
Air breather
77096MI32