Unic URW295CR, Руководство по обслуживанию

Страница: 4 / 125

１４． Telescoping cylinder
１ 5-Section Boom (Triple Cylinder) Operation
(1) When Telescoping Cylinder1 extends （１４−１）
(2) When Telescoping Cylinder1 retracts （１４−２）
(3) When Telescoping Cylinder2 extends （１４−３）
(4) When Telescoping Cylinder2 retracts （１４−４）
(5) When Telescoping Cylinder3 extends （１４−５）
(6) When Telescoping Cylinder3 retracts （１４−６）
（１４−７）
２ Function and Working of Cushion Seal
(1) Flow of Pressure Oil When Retracting （１４−８）
(2) Flow of Pressure Oil When Extending （１４−９）
３ Cause of Troubles and Measures to be taken
（１４−１０〜１１）
１５． Derrick cylinder
１ Flow of oil,when lowering （１５−１）
２ Flow of oil,when raising （１５−２）
１６． How to punch
（１６−１）
（１６−２〜３）
１７． Hoist winch
（１７−１）
２ Caution to be taken when reass embling hoist winch （１７−２）
３ Cause of Troubles and Measures to be Taken(Hoist winch) （１７−３）
１８． Hook
（１８−１）
１９． Slewing
１ Construction of slewing reduction gear （１９−１）
（１９−２）
３ Slewing reduction gear disassembly procedures （１９−３〜５）
２０． Turntable
１ Turntable Mounting Procedures （２０−１）
（２０−２）
２１． Column
（２１−１）
２２． Slip ring
１ Construction of slip ring and its fitting position （２２−１）
Telescoping/Derrick cylinder measures to prevent piston from being
loosened
１ Tightening torque for bolts fastening column and tightening order
１ Cons truction of Hois t Winch and brake s hoe adjusting procedure
２ Position of soft zone,tightening sequence of bolts and tightening torque
(7) Adjusting Procedures for Selector Valve with Adjusting Bolt
２ Construction to be taken when reassembling Slewing reduction gear