BMW X3 Service & Repair Manual: Notes on adhesive K2

IMPORTANT: Note the following information before starting to apply adhesive!

  • Country-specific safety and industrial safety regulations
  • Material safety data sheet of manufacturer
  • Processing instructions on glue cartridge

Storage: Dry, at 15 ºC - 25 ºC.

Shelf life: The glue cartridge is marked with a date.

Do not use the adhesive after this date.

Surface pre-treatment: Refer to vehicle-specific repair instructions or Notes.

Required cartridge gun: CARTRIDGE GUN 81 43 2 159 881/883 for 195 ml container

Body+and+Frame

IMPORTANT: Set speed control (1) to interval stage 3 to prevent overloading the cartridge gun.

CARTRIDGE GUN 81 49 2 355 475 for 2x290 ml container

Body+and+Frame

Preparation of the glue cartridge (195 ml): Opened glue cartridges may be used again before the expiry date as long as a new mixing tube is used.

The working temperature of glue cartridge must be at least 20ºC.

Application time of the adhesive approx. 20 min

IMPORTANT: At working temperatures above 30ºC, the application time of the adhesive is reduced to 10 min!

Insert glue cartridge into cartridge gun, remove cap and allow both adhesive components to emerge. Strip adhesive components uniformly and attach mixing tube. Only use mixing tubes supplied with glue cartridge.

Allow approx. 10 cm of mixed adhesive to emerge.

Only after this apply the mixed adhesive to one side of the bonding surface.

Preparation of the glue cartridge (2x290 ml): Opened glue cartridges may be used again before the expiry date as long as a new mixing tube is used.

The working temperature of glue cartridge must be at least 20ºC.

Application time of adhesive at 28 ºC 35 min and at 18 ºC 50 min Remove the sealing cap on the back of the glue cartridge. Remove the safety and connecting pipe. Puncture the glue cartridges open. Attach the connecting pipe and insert the glue cartridge in the cartridge gun. Allow both adhesive components to emerge. Strip adhesive components uniformly and attach mixing tube. Only use mixing tubes supplied with glue cartridge. Allow approx. 10 cm of mixed adhesive to emerge.

Only after this apply the mixed adhesive to one side of the bonding surface.

2-component adhesive application: Read the vehicle-specific repair instructions to determine the thickness and positioning of the adhesive bead.

After applying the adhesive, check whether an adhesive component has emerged at the back of the glue cartridge. If yes, break off the bonding procedure. Clean new part. Use new glue cartridge.

Remove contamination caused by adhesive residue immediately.

Hardened adhesive can only be removed mechanically.

Hardening time: Do not move the vehicle before the adhesive has hardened. The following hardening times apply unless the specifications in the vehicle-specific repair instructions indicate otherwise:

Adhesive K2 (2x290 ml):

IMPORTANT: During the initial 12 hours, no accelerated hardening with a heat gun or heat chamber is permitted!

The solidity for installation work on the vehicle is reached after: 12 hours at an object temperature of 18ºC.

Vehicle strength for driving applications is achieved after: 48 hours at an object temperature of 18ºC.

IMPORTANT: When a complete side frame is replaced (without partial replacement), the hardening period will increase to 24 hours until the beginning of installation work.

Disposal of adhesive: Hardened adhesive is disposed of as normal waste.

Empty glue cartridges are disposed of as normal waste.

Non-hardened adhesives and mixtures of adhesive and solvent and the like must be disposed of as hazardous waste.

These regulations apply to the Federal Republic of Germany.

For other countries, comply with the (possibly differing) nationally applicable regulations.

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