Komatsu 830E-AC Shop Manual page 616

4. Back out the threaded ring. Use a spanner
wrench if the threaded ring will not unscrew by
hand.
5. Slowly raise the arbor until all compression of
the piston return spring is relieved.
6. Remove the spring retainer, return spring, outer
spring guide, adjusting pin with adjuster assem-
blies, inner spring guide and piston.
7. Check the adjuster force of the adjuster assem-
bly
8. Inspect and test the piston return spring else-
where in this chapter.
J6-12
PREPARATION FOR ASSEMBLY
Read and observe all Warning and Caution haz-
ard alert messages in this publication. They pro-
vide information that can help prevent serious
personal injury, damage to components, or both.
Solvent cleaners can be flammable, poisonous
and cause burns. Examples of solvent cleaners
are carbon tetrachloride, and emulsion-type and
petroleum-base cleaners. Read the manufac-
turer's instructions before using a solvent
cleaner, then carefully follow the instructions.
Also follow the procedures below.
• Wear safe eye protection.
• Wear clothing that protects your skin.
• Work in a well-ventilated area.
• Do not use gasoline, or solvents that contain
gasoline. Gasoline can explode.
• You must use hot solution tanks or alkaline
solutions correctly. Read the manufacturer's
instructions before using hot solution tanks and
alkaline solutions. Then carefully follow the
instructions.
Clean Parts
For Ground or Polished Metal Parts:
Use a cleaning solvent or kerosene or diesel fuel to
clean ground or polished metal parts or surfaces.
Do not use hot solution tanks or water and alka-
line solutions to clean ground or polished parts.
Damage to parts can result.
Armature Speed Rear Disc Brakes 10/06 J06025