
FIGURE 9-1.  Hoist Drum, Drum Frame, Gearcase, Motor, Rope Guide, and Screw Type Limit Switch.
“B” Frame: Hoist Components for Figure 
Ref.  | Part  | 
  | Qty.  | 
No.  | Number  | Description  | Req’d.  | 
1  | -  | 7 ½ HP Hoist Motor   | 1  | 
  | 230 volt,   | 
  | |
  | 460 volt,   | 
  | |
  | 575 volt,   | 
  | |
2  | Heavy Hex Nut  | 2  | |
3  | Lockwasher (1/2)  | 2  | |
4  | High Strength Hex Head Bolt – ASTM A325   | 2  | |
5  | 6  | ||
6  | High Strength Hex Head Bolt – Grade 5   | 6  | |
7  | Heavy Hex   | 4  | |
8  | Gearcase  | 1  | |
9  | Gearcase Gasket  | 1  | |
10  | Gearcase Cover  | 1  | |
11  | Lockwasher,   | 9  | |
12  | Socket Head Cap Screw   | 7  | |
13  | Hex Shoulder Bolt   | 2  | |
14  | Vent Plug with Sealant   | 1  | |
15  | Pipe Plug   | 2  | |
16  | Heavy Hex Lock Nut   | 2  | |
17  | Hardened Flat Washer (1/2)  | 2  | |
18  | Gearcase End Drum Frame  | 1  | |
19  | Hex Head, Grade 5 Bolt   | 4  | |
20  | Hardened Flat Washer (5/8)  | 4  | |
21  | Thin Hex   | 4  | |
22  | Socket Head Cap Screw, Plated   | 3  | |
23  | Lockwasher,   | 3  | |
24  | Rope Clamp  | 3  | |
25  | -  | Drum  | 1  | 
  | Drum 25’ Lift  | 
  | |
  | Drum 40’ Lift  | 
  | |
26  | Rope Guide (See Figure   | 1  | |
27  | Flange Mounted Ball Bearing  | 1  | 
30