Siefken SCHOCK DAMON, Instructions Manual

3 YEARS

LIMITED WARRANTY

Built to Exceed 

11

5. Warming up (Fig.10)

The grease lubrication system in this unit may require warming up in cold regions.

Position the end of the bit so makes contact with the concrete, turn on the switch and perform 

the warming up operation. Make sure that a hitting sound is produced and then use the unit.

CAUTION:

When the warming up operation is performed, hold the side handle and the main body 

securely with both hands to maintain a secure grip and be careful not to twist your body by the 

jammed drill bit.

Maintenance And Inspection

Before do any maintenance and inspection, ensure unplug the plug.

1. Inspecting the tool

Use a dull accessory, such as bull point, cutter, etc., will cause motor malfunction and   

efficiency degraded. Replace with a new one when your accessory is abased.

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 is the heart of the machine, please avoid any damage to the winding, or any water 

and oil to wet it.

4. Inspecting the carbon brushes 

 The Motor employs carbon brushes which are consumable parts. When they become worn to 

or near the “wear limit”, it could result in motor trouble. The red service indicator LED lights up 

when the carbon brushes are worn out to indicate that the tool needs servicing. The power 

tool must then be sent to an after-sales service agent. 

When you have to replacement the carbon brushes by yourself, please following the order

：

(1) Loosen the six set screws and remove the fan cover.     

(2) Remove the two set screws and carbon brushes. 

(3) After replacing the carbon brushes, install the two set screws and fan cover, with securely 

tightening the six set screws.