STRUCTURAL CD3340B/YB4411
11-36
Published 04/07/2015 Control # 569-00
SERVICE PRECAUTIONS
• Before any part is removed from the hoist, all service
instructions should be read and understood.
• Work in a clean dust free area as cleanliness is of the
utmost importance when servicing hydraulic equipment.
• Inspect all replacement parts, prior to installation, to
detect any damage which might have occurred in
shipment.
• Use only genuine replacement parts for optimum results.
Never reuse expendable parts such as oil seals and O-
rings.
• Inspect all machined surfaces for excessive wear or
damage before assembling the hoist.
• Lubricate all O-rings and seals with gear oil prior to
installation.
• Use a sealing compound on the outside surface of oil
seals and a light coat of thread sealing compound on
pipe threads. Avoid getting thread compound inside
parts or passages which conduct oil.
• Thoroughly clean all parts in a good grade of
nonflammable safety solvent. Wear protective clothing
as required.
HOIST ASSEMBLY
Disassembly
IMPORTANT!
Some illustrations may not depict the exact hoist you
are disassembling, but the disassembly procedure are
the same. Use Figure 11-73 as a reference.
1. Align the drain hole in the drum with a hole in the support
side plate before removing the hoses and mounting
bolts. After the hoist is removed from its mounting,
Legend for Figure 11-73
1. Sight Gauge 26. Lockwasher (2) 51. Spring Spacer
2. Relief Valve 27. Capscrew (2) 52. O-Ring
3. Capscrew (22) 28. Thrust Washer (6) 53. BAckup Ring
4. Lockwasher (36) 29. Planet Gear (3) 54. Motor Support
5. Bearing Support 30. Roller Bearing (6) 55. Capscrew (4)
6. Oil Seal 31. Bearing Spacer (3) 56. Hydraulic Motor
7. Ball Bearing (2) 32. Spirol Pin (3) 57. Brake Valve Block
8. Retaining Ring 33. Planet Gear Shaft 58. Manifold (2)
9. Cable Drum Closure 34. Output Shaft 59. Adapter
10. O-Ring 35. Output Planet Carrier 60. Elbow
11. Oil Seal 36. Bearing Race (6) 61. Tee
12. Cable Drum 37. Planet Gear (3) 62. Elbow
13. O-Ring Plug 38. Roller Bearing (3) 63. HS Capscrew (6)
14. Cable Wedge 39. Spirol Pin (3) 64. HS Capscrew (2)
15. Spacer (2) 40. Primary Planet Gear Shaft 65. HS Capscrew (2)
16. Support Side plate 41. Primary Spacer 66. Plug
17. Base 42. Primary Planet Carrier 67. Hose Assembly
18. Motor Side plate 43. Brake Cylinder 68. Hose Assembly
19. Capscrew (16) 44. Die Spring (12) 69. Adapter
20. Thrust Washer 45. Pressure Plate 70. Plug
21. Primary Sun Gear 46. Spacer 71. Counterbalance Valve Cartridge
22. Output Sun Gear 47. Piston Backup Ring
23. Thrust Washer 48. Seal
24. Sprag Clutch Assembly 49. Brake Disc (8)
25. O-Ring 50. Friction Disc (8)
Reference Only
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