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4.5.3.7 Adjust bucket clearance
Warning
When adjusting, it’s dangerous if
work equipment is moved by
mishandling.
Set work equipment at stable state,
shut engine and lock up safety lock
lever.
Set work equipment in posture as shown in
right fig.
Stop engine, set safety lock lever to LOCK
position.
Remove O-ring of link to measure clearance
“a”.
Note：
Move bucket to one side, or measure
overall clearance at one place, the
measurement is a little bit easy. (The
position shown in fig is left position).
It’s easy to measure correctly if
using pin gauge.
Loosen 4 fixed bolt (2) and plate (3).
Remove shim (4) according to clearance “a”
being measured in previous step.
【for instance】
For clearance of 3mm, remove 1 pcs
shim of 1.0mm and 1 pcs shim of 0.5mm. The
clearance will become 0.5 mm. for shim (4),
use two types of 1.0mm and 0.5mm.
If the clearance is smaller than one shim,
do not attempt any maintenance operation.
Tighten 4 bots (2).
If it’s difficult to tighten bolt (2), to
facilitate tightening, pull out fixing pin bolt
(5).
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