9. SETTING THE CHAIN AND SERVICING THE BAR
Designations of parts
* Chain parts are named as shown m the figure below.
The chain pitch for the Echo 451 VL is 9.525 mm (3/8").
* Do not use a chain with a pitch other than the above-mentioned.
Tie strap Cutter
\ /
Depth gauge
t_jvet
J
Drive link
0.64 mm i (0.025")
\o1-,_oy
The depth gages are intended
for limiting the thrust at the
time of cutting.
The fight and left cutters
must be kept equally sharp.
iiiiiiii b
.oso")
U 1.3 rnm
\
The drive links serve to
eliminate sawdust from the
bar groove. Therefore, the
lower end of each link
should be kept sharp.
-- 12 --