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Product 2 HD 785-7

Authored by Mochamad Supriyadi

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Professional Development

Used 1+ times

Product 2  HD 785-7
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30 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

AutoMatic Emergency steering Pump akan aktif pada saat kondisi :

Menekan Emergency steering switch.

Parking brake switch off dan starting switch off.

Parking brake switch Off dan Starting Switch ON.

Shift Lever N, Parking brake switch On dan Starting Switch ON

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Berapa setting relief EPC pada hoist valve :

25 kg/cm²

30 kg/cm²

35 kg/cm²

45 kg/cm²

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Berapa setting relief Hydraulic system pada hoist valve :

120 kg/cm²

150 kg/cm²

200 kg/cm²

210 kg/cm²

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Berfungsi Menyamakan Proses Pengereman pada ke 4 roda HD 785-7 adlh :

Brake chamber

bcv

Slack adjuster

Double Cek valve

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Berikut ini adalah pernyataan yang benar mengenai hoist pilot circuit pada HD785-7,kecuali

Apabila setting pressure relief valve dibawah standard akan mengakibatkan low power Hoist system.

Pada saat dump body lever tidak digerakan,aliran oli pada hoist pilot circuit akan return.

Pada saat dump body lever tidak digerakan ,oli hoist pilot circuit stand by di hoist EPC solenoid valve untuk mempercepat respon pergerakan hoist valve

Pada saat dump body lever digerakan ,maka solenoid selector valve akan bekerja proportional sesuai dengan besarnya arus dari Brake controller.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Besarnya oil pressure yang diterima piston clutch pada saat retarder brake diaktifkan diatur oleh

Proportional solenoid valve

Proportional reducing solenoid valve

Emergency brake valve

Pressure switch

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Cut out pressure pada ACC valve adalah

180 kg/cm2

210 kg/cm2

220 kg/cm2

60 kg/cm2

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