2. Replace HST-oil-filter to new one.
Hexagon nut Tightening torque 73.6 Nâ‹…m to 83.4 Nâ‹…m
(1) HST oil filter
IMPORTANT :
• After
changing the HST-oil-filter, start the
hydraulic system briefly and then check the
oil level.
3. Changing the hydraulic oil and the
suction filter
WARNING
T
o avoid personal injury or death:
• Always stop the engine before changing the
hydraulic oil.
• Never open the drain plug immediately after the
engine has stopped, hot hydraulic oil may
escape, causing scalding.
1. Remove
the drain plug from the bottom of the
hydraulic-oil-tank and drain the hydraulic oil.
Drain plug Hexagon head screws 8 mm
2. Remove
the bolt from the tank-bottom-cover and
then remove the tank-bottom-cover.
3. Replace the suction filter.
Suction filter Hexagon nut 60 mm
(1) Suction filter
(2) Hydraulic oil tank
(3) Bottom cover
4. Check
the gasket of the tank-bottom cover for
damage and replace it if necessary.
5. Retighten the drain plug, and attach the tank-
bottom-cover.
6. Open the access flap and the oil-port-cap for the
hydraulic-oil-tank and fill hydraulic oil up to the
specified amount, and then close the oil-port-cap
and the access flap.
7. Run the engine at idle speed and set the direction
switch to the neutral position.
8. Then operate the control lever and the steering
wheel for about 5 minutes.
9. Stop the engine and make sure that the quantity of
hydraulic oil is sufficient through the oil-level gauge.
(1) Oil level gauge
SERVICE EVERY 1000 HOURS  PERIODIC SERVICE
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