. OPERATION OPERATION ADJUSTING BUCKET POSITIONER BUCKET LEVEL INDICATOR the level indicators. 3 - 148 Lower t angle, r he bucket to eturn the buc the groun ket control the wor k equipment lock lever t o the LOC K position, th the eng 2. Loosen 2 bolts (1), a djust the p osition of mounting bra of the pr oximity switc h so that th e rear tip o f bar (2) is in l the cen ter of the sen sing surfa ce of prox imity switch ( tighten bolts to hold the bracke t in positio 3. Loosen 2 bolts (5), a djust so tha t the clear ance betwee and sup port (6) is 0. 5 to 2 mm ( 0.020 to 0 .079 in), then bolts (5 ) to hold in p osition. 4.
Loosen 2 nuts (7), a djust so tha t the clea rance betwee n bar (2) and the sensing s urface of proximity switch (3) is 3 to 5 mm (0.118 t o 0.197 in ), then tigh ten the nuts to hold in position. 2.7 ± 1.8 lbft) Tightening torque: 1 7.2 ± 2.5 N m (1.75 ± 0.25 kgm, 1 5. After ad justing, start the engine and raise the lift arm. Operate the bucket contro l lever to the DUMP position, then op erate it to the TILT BAC K position and check tha t the lever is automatically r eturned to the HOLD position when th e bucket rea ches the d esired dig (A) and (B) at the top re They check the bucket a ngle durin g operatio (A): Parallel with cutting (B): 90 degr ees to cuttin