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Figure 9-5. Upper Block Assembly.
“B” Frame: Upper Block Components for Figure 9-5.
Ref.
No.
Part
Number Description
Qty.
Req’d
GHB-500 “B” Frame Hoist Upper Block Assembly (Includes Ref. Nos. 1-10) 1
1 GHB-501 Upper Block Yoke 1
2 GHB-502 Key Plate 1
3 GHB-503 Hex Head Bolt (3/8-16 x 5/8) 2
4 GHB-504 Sheave Pin 1
5 GHB-505 Lockwasher (3/8) 4
6 GHB-506 Hex Head Bolt, Grade 5 (3/8-16 x 3) 2
7 GHB-507 Spacer Washer 2
8 GHB-508 Sheave 1
9 GHB-509 Ball Bearing 1
10 GHB-510 Internal Retaining Ring 1
11 GHB-511 Spacer Washer 6
12 GHB-512 Self-Locking Nut (3/8) 2
13 GHB-513 Yoke Pin 1
14 GHB-514 Cotter Pin 2
15 GHB-515 Flanged Bushing 1
“C” Frame: Upper Block Components for Figure 9-5.
Ref.
No.
Part
Number
Description
Qty.
Req’d
GHC-500 “C” Frame Hoist Upper Block Assembly (Includes Ref. Nos. 1-10) 1
1 GHC-501 Upper Block Yoke 1
2 GHC-502 Key Plate 1
3 GHC-503 Socket Head Cap Screw (3/8-16 x 3/4) 2
4 GHC-504 Sheave Pin 1
5 GHC-505 Lockwasher (3/8) 4
6 GHC-506 Socket Head Cap Screw (3/8-16 x 4) 2
7 GHC-507 Spacer Washer 2
8 GHC-508 Sheave 1
9 GHC-509 Ball Bearing 1