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12
General Assembly & Parts List
12.1 Parts List
Item Description
Base Model Parts
1 Shell (Gearbox Housing)
2 Shell Cap
3 Worm Shaft
4 Worm Gear
5 Load Bearing
6 Worm Bearing
7 Retaining Ring (Circlip)
8 Shim kit (if required)
9 Seal (worm shaft)
10 Grease Nipple
11 Set Screw (Shell Cap)
12 Key (Worm Shaft)
13 Name Plate
14 Drive Screw (Name Plate)
15 Copper Plug
Translating Screw Model Parts
20 Translating Lead Screw – Single Start
21 Translating Lead Screw – Double Start
22 Cover Pipe
23 End Cap (Cover Pipe)
Rotating Screw Model Parts
30 Rotating Lead Screw – Single Start
31 Rotating Lead Screw – Double Start
32 Nut
33 Drive Key (Lead Screw)
34 Set Screw (Lead Screw – Lock Nut)
35 Lock Nut (Lead Screw)
36 Washer (Lead Screw – Lock Nut)
37 Plug / Cover Pipe
38 Guide Bushing (Plain)
Anti-Backlash Model Parts
50 Set Screw (Shell Cap – Anti-Backlash)
51 Shell Cap – Anti-Backlash Models
52 Anti-Backlash Nut
53 Anti-Backlash Gear
54 Dowel Pin – Anti-Backlash Models
55 Access Cap
Item Description
Anti-Rotation (Keyed) Model Parts
70 Shell Cap – Anti-Rotation Models
71 Lead Screw – Keyed – Single Start
72 Lead Screw – Keyed – Double Start
73 Key (Lead Screw / Shell Cap)
74 Lock Washer (Anti-Rotation Shell Cap)
75 Cap Screw (Anti-Rotation Shell Cap)
76 Guide Bushing
Anti-Rotation (Keyed) & Anti-Backlash Model Parts
80 Key Adapter
81 Bolt (Key Adapter)
Safety Nut - Rotating Screw Model Parts
90 Nut
91 Safety Nut
Safety Nut - Translating Screw Model Parts
100 Set Screw (Shell Cap – Safety Nut Models)
101 Shell Cap – Safety Nut Models
102 Safety Nut - Translating Screw
103 Safety Nut Gear
104 Dowel Pin – Anti-Backlash Models
105 Access Cap
End Fittings
Item Description
200 Top Plate
201 Clevis End
202 Fork End
203 Rod End
204
Set Screw (End Fixture) – 2 off at 180
degrees
Accessories
300
Bellows Boot kit (Includes 2 “Jubilee”
clips)
Notes:
Not all parts are required for each screw jack, refer to general
arrangement drawing corresponding with the model of screw jack.
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