
RIR Swipel/Rotary
Quiz
•
Special Education
•
Professional Development
•
Practice Problem
•
Medium
LC IBP
Used 1+ times
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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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