Komatsu Galeo BR380JG-1E0 Shop Manual page 268

SEN02303-00
6. Adjust the valve clearance according to the fol-
lowing procedure.
1) While fixing adjustment screw (3), loosen
locknut (4).
2) Insert clearance gauge C2 in the clearance
between rocker arm (5) and crosshead (6)
a n d a d j u s t t h e v a l v e c l e a r a n c e w i t h
adjustment screw (3).
a With the clearance gauge inserted,
turn the adjustment screw to a degree
that you can move the clearance
gauge lightly.
3) While fixing adjustment screw (3), tighten
locknut (4).
3
Locknut:
24 ± 4 Nm {2.45 ± 0.41 kgm}
a After tightening the locknut, check the
valve clearance again.
7. Rotate the crankshaft forward by 1 turn and set
wide slit (b) to projection top (a) according to
step 4.
8. Adjust the other valve clearances according to
steps 5. and 6.
a If the valves marked with q in the valve
arrangement drawing were adjusted in
steps 5. and 6, adjust the valves marked
with Q.
a If the valves marked with Q in the valve
arrangement drawing were adjusted in
steps 5. and 6, adjust the valves marked
with q.
9. After finishing adjustment, remove the adjust-
ing tools and return the removed parts.
k
Remove gear C1 without fail.
3
Cylinder head cover mounting nut:
24 ± 4 Nm {2.45 ± 0.41 kgm}
10
30 Testing and adjusting
BR380JG-1E0