• Check brake drum for wear and damage.
• Measure diameter.
• New dimension plus 0.5 mm max. diameter can only be used with over-sized drum brake linings.
• Depending on the version, wheel bearings and/or sensor rings are also replaced.

• Always use an appropriate special tool for fitting / removing the return springs.
• Attention: Risk of injury!

• To prevent damage to the components, always use appropriate specialtool for fitting / removing the retaining spring.
• Attention: Risk of injury!

• To prevent damage to the components, always use appropriate special tool for fitting / removing the hand brake cable.
• Attention: Risk of injury!

• When removing the brake shoes, secure the brake pistons with appropriate tools.

• If necessary, check the automatic adjustment devices for wear and damage. For the precise arrangement of the brake shoes (primary and trailing shoes) the rear left-hand brake is always depicted in the TMD illustrated catalogue.

Wheel mounting

• To prevent wheel hub damage and / or lateral run-out of the brake discs, the wheel bolt / nut must be tightened according to the manufacturer’s specifications (sequence + torque).
   
• Attention: when using impact wrenches always use a torque limiter, then finish installation with torque wrench.
  
• Wheels must be fitted to the correct torque setting to avoid damage.