540
BRAKE SYSTEM
ASSEMBLY OF TMC
CAUTION:
Ensure that dismantled TMC child parts are clean and
free from any mineral oil and dust.
If a Minor Repair Kit is being used to rebuild the
TMC assembly, follow the procedure as given
below:
1. Remove the snap fit return spring of secondary piston
and remove the primary seal.
2. Cut the secondary seal on secondary Piston taking
due care not to damage the piston.
CAUTION:
Never use connector or sharp pin kind of tool, it may
damage seal seat on the piston.
3. Mount the well lubricated secondary seal on the
piston, with correct orientation of secondary piston,
secondary seal, and take care there is no kink on the
leap of the seal. While refitting the secondary piston,
primary seal, ensure the fitment of the safety washer
behind the primary seal.
4. Insert the well lubricated with fresh brake fluid,
Secondary Piston Assembly (10) into the bore, with
the spring end leading in to the cylinder bore. Care
must be taken to guide the seals into the bore, hence
avoiding any damage to the seals.




