BorMann 022190, Руководство пользователя, Страница: 16 / 17

8
www.BormannTools.com
After Use
The machine should be inspected 15 days after primary use. Inspection should be done at least two times each quarter according
to the amount of the use the machine received. Arrange the inspection according to operation plan is recommended, for example,
inspect the machine after the finish of a project, and then store it Disassemble the diamond core bit before storing the machine,
and apply a coat of grease to the drive spindle and the core bit thread for protection.
Inspection items
·Inspect the shell (such as motor housing, gear housing and feed slider etc.) for cracks and damage.
·Inspect all mounting screws for looseness.
·Inspect the cable for damage.
·Inspect the plugs for damage.
·Inspect whether the switch actuates properly and without any damage.
·Inspect whether the electric protective device is under good condition.
·Inspect whether the mechanical protective device is under good condition.
·Inspect whether the rotation parts are nimble and without any block.
Inspecting Insulation Resistance
Use a 500V megohmmeter to measure the insulation resistance between electriferous parts and shell, the resistance should not
be less than 7 M Ω
Inspecting and Replacing Carbon Brushes
Remove and check the carbon brushes regularly. Replace when they wear down to the limit mark
Keep the carbon brushes clean and free to slip in the holders. Both carbon brushes should be replaced at the same me Use only
identical carbon brushes.
Use a screwdriver to remove the brush holder caps. Take out the worn carbon brushes, insert new ones and secure the brush
holder caps.
Replacing Oil Seal(s)
Replace the oil seal(s) in time in case water leaks is found at the water seal assembly Loosen the three screws on the water seal
assembly by a hex wrench to release the water seal assembly, take out the worn oil seal(s),insert new one(s)and reinstall the
water seal assembly.