AC MUM0096 rev. 07 - 15 -
MR21
10. WINCH LUBRICATION
Shell Omala S4 WE synthec oil is supplied with the winch. Ensure
that the oil drain screw is ghtly closed and check that the oil level is
at the halfway point on the transparent gauge.
Shell Omala S4 WE is non-miscible with mineral oils and with most
other types of synthec lubricants. Be careful, therefore, to avoid
mixtures forming during rell operaons, both when draining and
when topping up.
Mineral oils are not permied for use in the machine.
The exclusive use of Shell Omala S4 WE oils is advisable.
Contact Sicor for informaon on using lubricants other than those
indicated in this manual, and for instrucon on the relevant replace-
ment procedure.
Do not use other types of oil!
The MR21 winch requires 7.8 litres of oil.
10.1. CHANGING THE OIL
We recommend to change oil aer 600 hours of winch operaon,
ensuring correct uxing within the reducon unit.
Subsequent lubricant changes should be performed every 24/36 months
depending on the condions of use of the machine. If the oil temperature
exceeds 85 °C (during intense use), the oil must be changed every 2 years.
The oil must also be changed if it is contaminated by other substances
(e.g. water or topping up with oil other than that recommended).
To change the oil:
- read the “Safety Requirements” chapter.
- disconnect the electrical power supply to the winch.
- wait for at least one hour from machine shut-down so
that the oil in the winch cools down.
2
② Oil discharge
① Oil filling
1
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