Zenit RH-1300, Instruction Manual

8

maintenance and inspection

1. 

inspecting the drill bits.

since use of an abraded drill bits will cause motor malfunctioning and degraded 

efficiency, replace the drill bits with a new one or resharpening without delay when 

abrasion is noted.

2. 

inspecting the mounting screws.

regularly inspect all mounting screws and ensure that they are properly tightened. 

should any of the screws be loose, retighten them immediately. failure to do so could 

result in serious hazard.

3. 

Maintenance of the motor. 

the motor unit winding is the very “heart” of the power tool. exercise due care to 

ensure the winding does not become damaged and/or wet with oil or water.

4. 

inspecting the carbon brushes. 

the motor is equipped with carbon brushes, which wear with time. When a brush 

reaches the wear limit, the motor may malfunction. if the engine is equipped with 

a disengaging brush, it will automatically turn off. in this case replace both carbon 

brushes. Keep the brushes clean and ensure that brushes move freely within the brush 

holders. 

WarninG

Repair, modification and check of ZENIT power tools should be performed only in 

authorized service centers Zenit. While use or maintenance of power tools follow all 

safety rules and standards.

note

Zenit Power Tools are constantly being improved and modified to incorporate the lat

-

est technological advancements.

accordingly, some parts may be changed without prior notice.