Lubricating Via The Oil Cover (Every 6 Months); Draining Lubricating Oil - Brother T-8421C Instruction Manual

11-2. Lubricating via the oil cover (every 6 months)

<Checking>
1. Replace the needle if it is bent or if the tip is broken.
2. Check that the upper threads have been threaded
correctly. (Refer to page 24.)
3. Carry out a test sewing.
2196B
<Draining lubricating oil>
1. If the oiler (1) has filled with oil, unscrew the oiler (1) and
dispose of the oil inside it.
2. Screw the oiler (1) back into the oil pan.
3002M
<Minimum lubrication specifications>
Pour lubricating oil into the oil cover (1) about once every six
months.
<Semi dry specifications>
Pour lubricating oil into the oil cover (1) about as often as
grease is applied.
Use only the lubricating oil <NIPPON OIL CORPORATION
2190M
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>.
1. Tilt back the machine head.
2. Pour lubricating oil into the oil cover (1) until the oil level
reaches the reference line (2). (Refer to p.9.)
3. Return the machine head to its normal position.
2358B
T-8421C, 8422C, 8452C, 8722C, 8752C
11. CLEANING
56