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FIGURE 5-13. TELESCOPE CYLINDER ASSEMBLY (TOWER BOOM) (JULY 1988 TO PRESENT
ITEM PART NUMBER QTY
DESCRIPTION
1681980 Ref TELESCOPE CYLINDER ASSEMBLY - TOWER BOOM Ref Note: Dana Telescope Cylinder (used prior to July 1988) and
associated repair parts are no longer available. When replacing complete cylinder use p/n 1681980 Commercial Shearing Cylinder (used July 1988 to present).
1
Kit 1 Ring, Wiper 2 Kit 1 Ring, Wiper 3 7009564 1 Nut, Packing 4 7009563 1 Nut, Packing 5 7009562 1 Ring, Bearing 6 7009561 1 Ring, Bearing 7 Kit 1 Packing Assembly 8 Kit 1 Packing Assembly 9 7009558 1 Spring, Wave 10 7009557 1 Spring, Wave 11 7009556 1 Ring, Stop 12 7009555 1 Ring, Stop 13 7009554 2 Bearing, Piston 14 7009553 2 Bearing, Piston 15 7009552 2 Ring, Piston 16 7009551 2 Ring, Piston 19 7009550 2 Ball, Nylon 20 7009549 2 Setscrew 1/4in-20NC 21 7009548 1 Piston 22 Kit 2 O-Ring 23 7009546 1 Setscrew 24 Kit 1 Seal, O-Ring Piston 25 Kit 1 Seal, O-Ring Piston 26 Ref Pin 27 7009537 1 Release, Air 28 4640509 1 Valve, Holding 28 2900792 1 Seal Kit - 4640509 Valve 28 7009569 1 Plunger Assembly 28 7009568 1 1st Sleeve Assembly 28 7009567 1 Cylinder, Main 2900693 1 Seal Kit (Includes Items 1, 2, 7, 8, 22, 24 & 25)
