Care And Maintenance - Hilti NPR 19-22 Manual De Instrucciones Original

In cold weather the hydraulic oil can thicken and slow the pressing operation. Perform 5 to 10 empty
pressing operations to heat up the pressing tool.
If the pressing operation is ended prematurely, the fitting must be removed or, if possible, repressed.
1. Insert the pressing jaw. → page 8
2. Squeeze the legs of the pressing jaws together.
▶ The pressing jaw opens.
3. Enclose the fitting to be installed in the pressing jaw.
4. Press and hold down the control switch until the piston retracts.
▶ The pressing operation is completed successfully.
7

Care and maintenance

WARNING
Risk of injury with battery inserted !
▶ Always remove the battery before carrying out care and maintenance tasks!
Care of the product
• Carefully remove stubborn dirt.
• Carefully clean the air vents, if present, with a dry, soft brush.
• Use only a slightly damp cloth to clean the housing. Do not use cleaning agents containing silicone as
these can attack the plastic parts.
• Use a dry, clean cloth to clean the contacts of the product.
Care of the Li­ion batteries
• Never use a battery with clogged air vents. Clean the air vents carefully using a dry, soft brush.
• Avoid unnecessary exposure of the battery to dust and dirt. Never expose the battery to high levels of
moisture (e.g. by being dipped in water or left in the rain).
If a battery has been soaked by moisture, treat it as a damaged battery. Isolate it in a non-flammable
container and consult Hilti Service.
• Keep the battery free of extraneous oil and grease. Do not permit dust or dirt to accumulate unnecessarily
on the battery. Clean the battery with a dry, soft brush or a clean, dry cloth. Do not use cleaning agents
containing silicone as these can attack the plastic parts.
Do not touch the contacts of the battery and do not remove the factory-applied grease from the contacts.
• Use only a slightly damp cloth to clean the housing. Do not use cleaning agents containing silicone as
these can attack the plastic parts.
Maintenance
• Check all visible parts and controls for signs of damage at regular intervals and make sure that they all
function correctly.
• Do not use the product if signs of damage are found or if parts malfunction. Immediately have the product
repaired by Hilti Service.
• After cleaning and maintenance, install all guards and protective devices and check that they are in full
working order.
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 your product can be found at your
Hilti Store or online at: www.hilti.group
8 Transport and storage of cordless tools and batteries
Transport
CAUTION
Accidental starting during transport !
▶ Always transport your products with the batteries removed!
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