KOMATSU H285S HYDRAULIC SHOVEL Operation & Maintenance Manual (SN:78067) KOMATSU H285S – PDF

Page 168

Assembly process No.

M-3

Checking operation of dual tilt mechanism (If equipped)

<Dual tilt operation> (Fig. 1)

Fig. 1

(C)+(B): Left dual tilt (While selector switch (C) is in the DUAL position, move the knob in direction (B).) (Fig. 2) (C)+(A): Right dual tilt (While selector switch (C) is in the DUAL position, move the knob in direction (A).) (Fig. 2) If the blade is tilted while knob switch (C) is in the DUAL position, it is tilted more than by the normal tilting operation. (Fig. 2) The dual tilt operation is applicable while the blade is raised, hold, or lowered, regardless of its position.

Fig. 2

<Pitch operation> (Fig. 3) Fig. 3

(D)+(B) Reverse pitch: Reduce the cutting edge angle (Pressing button (D) and move the knob in direction (B).) (Fig. 4) (D)+(A) Reverse pitch: Increase the cutting edge angle (Pressing button (D) and move the knob in direction (A).) (Fig. 4) The pitch circuit is given priority. If the pitch button is pressed while the blade is being tilted, the blade is pitched.

Fig. 4

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