Lubrication; Adding Oil - Brother RH-9820 Instruction Manual

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3-20. Lubrication

Turn off the power switch before carrying out this operation.
If this is not done, the machine may operate if the start switch is pressed by mistake, which could result in serious
injury.
Be sure to wear protective goggles and gloves when handling the lubricating oil, so that it does not get into your eyes
or onto your skin. If care is not taken, inflammation can result.
Furthermore, do not drink the lubricating oil. Diarrhea or vomiting may result.
Keep the oil out of the reach of children.
NOTE:
Use only the lubricating oil <NIPPON OIL CORPORATION Sewing Lube 10N; VG10> specified by Brother.
* If this type of lubricating oil is difficult to obtain, the recommended oil to use is Exxon Mobil Essotex SM10, VG10.

3-20-1. Adding oil

The sewing machine should always be lubricated and the oil supply replenished before it is used for the first time,
and also after long periods of non-use.
CAUTION
<Filling the arm oil tank>
0380B
Pour lubricating oil in through the lubricating hole (1) in the
arm oil tank. Use the oil gauge window (2) to check the oil
amount, and pour in the oil until the oil gauge window (2) is
about 8/10ths covered.
NOTE:
If the oil level in the oil gauge window drops to cover
about 1/3rd of the window, be sure to add more
lubricating oil. If this is not done, problems such as
seizing may occur.
Be careful not to add too much lubricating oil. If too much
lubricating oil is added, it may overflow inside the sewing
machine.
<Adding oil to the bed oil tank (sub tank)>
1. Tilt back the machine head.
2. Pour lubricating oil in through the lubricating hole (2) of
the sub tank (1) without letting it overflow.
*
During normal use, oil will be fed automatically from the
arm oil tank, so it is not necessary to add oil.
NOTE:
Do not add any oil to the area marked [A]. This part is a
tank for collecting the water that is discharged from the air
valve inside the side plate.
If any water has collected in this tank, drain it out. (Refer
to "8-3-4. Draining water".)
1599B
RH-9820
3. INSTALLATION
28

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