Hilti SSH 6­A22 Original Operating Instructions page 26

7 Care and maintenance
WARNING
Risk of injury with battery inserted !
▶ Always remove the battery before carrying out care and maintenance tasks!
Care and maintenance of the tool
• Carefully remove any dirt that may be adhering to parts.
• Remove the dust filter and clean it and the air vents carefully, using a dry brush.
• Use only a slightly damp cloth to clean the casing. Do not use cleaning agents containing silicone as
these can attack the plastic parts.
Care of the lithium­ion batteries
• Keep the battery free from oil and grease.
• Use only a slightly damp cloth to clean the casing. Do not use cleaning agents containing silicone as
these may attack the plastic parts.
• Avoid ingress of moisture.
Maintenance
• Check all visible parts and controls for signs of damage at regular intervals and make sure that they all
function correctly.
• Do not operate the product if signs of damage are found or if parts malfunction. Have it repaired
immediately by Hilti Service.
• After cleaning and maintenance, fit all guards or protective devices and check that they function correctly.
To help ensure safe and reliable operation, use only genuine Hilti spare parts and consumables. Spare
parts, consumables and accessories approved by Hilti for use with the product can be found at your
local Hilti Store or online at: www.hilti.group.
7.1 Changing the blade
ATTENTION
Risk of damage to workpiece and blade!
▶ Always select the correct blade for the planned use and thickness of material to be cut.
Change the blade when it becomes blunt and cutting performance diminishes.
Always replace the blade whenever you install new cutting rails.
1. Press out the bearing pin.
2. Pull the blade out of the cutting head.
3. Lightly grease the bearing pin and the new blade.
4. Insert the new blade.
5. Push the bearing pin into the hole until it engages.
7.2 Changing the cutting rails
CAUTION
Risk of damage to product and cutting tools!
▶ Clean the threads before installing the securing screws.
▶ Always use the new securing screws supplied and tighten the screws to the specified tightening torque.
1. Remove the securing screws and remove the cutting rails. If necessary, insert a suitable tool through the
cutting head from above and push the cutting rails out of the guide.
2. Clean the thread.
3. Check the cutting rails:
➥ If the cutting rails are blunt along only one half, reinstall them turned through 180°.
➥ When either one of the two cutting rails is blunt along both halves, replace the two cutting rails as a
pair.
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