7D-10 TRANSFER BOX
Repair
1) Remove clip which holds rear the pistons (8) in the expansion
mechanism.
2) Remove
• Pistons (8).
• Rollers (9).
• Wedge (10).
3) Check all the components and replace the complete
mechanism if there is wear and tear.
10
9
8
9
8
4) Unscrew screws (11) and remove:
• Pistons (12).
• Adjusting screw (13).
• Body (14).
5) Check all the components and replace the complete
mechanism if there is wear and tear.
6) Grease all the components of the two mechanisms and refit
in inverse order to removal.
7) Fit the shoe adjustment mechanism, leaving screws (11)
loose.
8) Turn screw (13) until pistons extension (12) occurs.
9) Check wear on the shoes.
10) Clean shoes in volatile liquid (trichlorine), eliminating dirt
and possible oil stains.
11) Check that height between the lining rivets and friction zone
is more than 1mm. Replace the lining if this should not be
the case.
NOTE:
Do not alter the linings using sandpaper as this leaves
abrasive particles which can scratch the drum.
13
11
12
14