Table of Contents
Advertisement
OPERATION
ADJUSTING BUCKET POSITIONER
1. Lower the bucket to the ground, set to the desired digging
angle, return the bucket control lever to the HOLD position,
then lock the work equipment control lever with the safety
lock lever and stop the engine.
2. Loosen 2 bolts (1), adjust the position of mounting bracket
(4) of the proximity switch so that the rear tip of bar (2) is in
line with the center of the sensing surface of proximity
switch (3), then tighten bolts to hold the bracket in position.
3. Loosen 2 bolts (5), adjust so that the clearance between bar
(2) and support (6) is 0.5 to 2 mm ((0.020 to 0.079 in)), then
tighten bolts (5) to hold in position.
4. Loosen 2 nuts (7), adjust so that the clearance between bar (2) and the sensing surface of proximity switch (3)
is 3 to 5 mm ((0.118 to 0.197 in), then tighten the nuts to hold in position.
Tightening torque:17.2 ± 2.5 N²m (1.75 ± 0.25 kgf²m, 12.7 ± 1.8 lbft))
5. After adjusting, start the engine and raise the lift arm. Operate the bucket control lever to the DUMP position,
then operate it to the TILT BACK position and check that the lever is automatically returned to the HOLD posi-
tion when the bucket reaches the desired digging angle.
BUCKET LEVEL INDICATOR
(A) and (B) at the top rear of the bucket are the level indicators,
so the bucket angle can be checked during operations.
(A): Parallel with cutting edge
(B): 90 degrees to cutting edge
OPERATION
0.
0.
3-111
Advertisement
Table of Contents
