OREC RM953 Instruction Manual page 39

◎Exchange
HST body back side
adsorption sheet (inside the HST tank) should be changed at the same time as the oil is changed.
The oil drain plug has a hexagonal head of 22 mm .
Reference；
1) HST oil is also called hydraulic oil and plays an important role in changing the rotation
of the engine to drive.
prevention, cooling, etc., but if it is not managed properly, it may cause troubles such
as Driving system
replenishment.
2）HST oil change guideline.
First time: 30 hours of use After: once a year or every 200 hours of use,
(How to judge HST oil visually)
Appearance
Clear and no color change
Clear and has small black
It changes to milky white
dots
Discolored to black
1) At the time of product shipment, wear resistant hydraulic fluid equivalent to VG46 has
been added.
2) Please consult your dealer when replacing the HST oil. Replacement requires special tools
and maintenance skills.
HST designated oil: ISO viscosity grade VG46.
(e.g. mobil oil DTE-25 ,
Even if the HST oil is initially clean, But foreign matter
will settle in the unit and the oil will deteriorate over a
long period using time, which will hinder the smooth
operation of the HST. Change the HST oil regularly to
keep your work safe and comfortable.
HST OIL Plug
The total amount of oil is about 500 ml, and the water
In addition, it also has the effects of lubrication, rust
troubles. Use
Smell
Good
Good
Good
Stench
Shell oil tellus 46 ,
the specified dedicated
Status
Good
Foreign matter is mixed
Water is mixed
Oxidized /
deteriorated
Esso Unipower SQ46.)
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5. 点検・整備・調整
oil for adding and
whichever is shorter
Measures
Use as it is
Use after filtering
Change oil
Change oil