M7 NC-2210, Operation Instruction Manual

Page: 17 / 53

17
1. Before connecting the air hose to this tool or after operating, apply 4 or
5 drops of pneumatic oil into the air inlet and run it for several seconds,
referring this operation to the attached picture.
2. Maintain this tool regularly by performing the same oiling application
every 3 to 4 hours of operation.
3. Do not lubricate tools with flammable or volatile liquids. Use only the
lubricant recommended by Mighty-Seven or authorized dealers.
Any other lubricant will lead to reduce performance of the tool and
permanent damage. Whenever any unauthorized lubricant is used by
accident, flush it immediately with recommended pneumatic oil.
4. Follow all the recycling laws of waste disposal once this tool is no longer
usable
Maintenance:
Pneumatic oil
Air inle t
Regular maintenance
Bit holding mechanism, type B:
The retainer should be pushed out prior to
inserting or removing the bit from the tool.
This mechanism is used on RA-105, RA-
201, RA-301 & RA-302 & RA-801 & RA-
802
Appendix: Torque adjustment procedure for air screw driver RA-
301 & RA-302 & RA-801 & RA-802
1.Take the clutch housing #41 apart by turning it clockwise.
2.Insert a 6mm hex wrench into the cam spindle #32.
3.Use the 17mm spanner to tighten or loosen the adjusting nut #39.
4.The tighter the spring #37 is, the higher the torque will be. The looser the spring #37
is, the lower the torque will be.
5.Apply some grease to the parts when adjusting the torque prior to assembling.