RIR Swipel/Rotary

RIR Swipel/Rotary

Professional Development

20 Qs

quiz-placeholder

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RIR Swipel/Rotary

RIR Swipel/Rotary

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Professional Development

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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Center Joint (Swivel Joint) Assy berfungsi untuk :

Memungkinkan Upperstructure berputar 360o terhadap undercarriage serta mengalirkan oli hydraulic menuju ke sirkuit travel dan sebaliknya.

Memungkinkan Upperstructure berputar 180o terhadap undercarriage serta mengalirkan oli hydraulic menuju ke sirkuit travel.

Meneruskan aliran oli langsung dari Main Pump menuju ke Sirkuit Travel

Membatasi aliran Oil yang menuju ke Actuator dan memungkinkan swing berputar 360o+

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Dalam prosedur Remove & Install (R & I) Center Joint, setelah merelease tekanan hydraulic dalam sirkuit sebaiknya kita :

Langsung melonggarkan baut mounting sesuai urutan.

Melakukan "marking" pada casing,hose dan pipa sebelum dilepas.

Melepaskan Spindle (Shaft) terlebih dahulu.

Melepaskan Housing terlebih dahulu.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Setelah melepaskan semua hose dan pipa dari center joint, kita seharusnya :

Lepaskan baut mounting center joint

Melepaskan oring mounting center joint

Melepaskan stopper dari center joint

Memberikan marking pada body

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Untuk menghindari kesalahan pemasangan posisi body center joint sebaiknya :

Body joint tidak perlu dilepas

Body dilepas tetapi tidak terpisah dengan spindle

Body center joint diangkat terlepas dari spind

Berikan marking pada pertemuan body dan frame

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Center Joint adalah rotary valve yang menghubungkan lines circuit :

Travel motor,swing stop, dan drain case

Swing release, travel speed dan cash drain

Travel, swing dan cash drain

Travel (Brake & Speed),cash drain dan travel shock damper/Stop

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Ketika terjadi internal leaking pada center joint maka efek yang terjadi salah satunya adalah :

Swing Low

Attachment Low power

Travel Low/deviasi

Swing stuck

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Torque baut mounting Center Joint :

650 N⋅m (66 kgf⋅m, 505 lbf⋅ft)

350 N⋅m (36 kgf⋅m, 305 lbf⋅ft)

450 N⋅m (46 kgf⋅m, 405 lbf⋅ft)

550 N⋅m (56 kgf⋅m, 405 lbf⋅ft)

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