Bumper & Front Scraper
Remove & Install Bumper & Front
Scraper 7156, 6607-010
Attach lifting straps and a hoist to bumper (1) as shown.
When removing the bumper, note the thickness
and number of shims (3) on each side of the yoke.
When installing the bumper, install the shims in
their original location.
Remove six bolts and nuts (2), and remove shims (3),
bumper (1) and the front scraper from yoke (4). The
weight of the bumper and front scraper is 130 kg (286
Remove four bolts and nuts (5), and remove four
adjustment bars (6) and scraper (7) from bumper (1).
Remove four bolts and nuts (8), and remove scraper (7)
from adjustment bars (6).
For installation of the bumper and front scraper,
reverse the removal steps.
After the bumper and front scraper have been
installed, adjust the clearance, dimension (X),
between the scraper and drum. Loosen four bolts
and nuts (8). Obtain a clearance, dimension (X),
of 13 ± 2 mm (0.51 ± 0.08 in) between scraper (7)
and drum (9). Tighten four bolts and nuts (8).