ALTERNATOR GP-CHARGING 4P1998 - Caterpillar

Table 2
TC Prefix    TC Gp P/N    Former HSG (Two Piece)    New HSG (One Piece)    
T6G     288-2659     288-2671     364-5466    
T8S     376-7525    
T4G     288-2660    
T5P     366-9006    
T7G     288-2661     288-2669     355-6696    
T8G     288-2662    
T9G     288-2663     288-2673     384-1845    
T5G     288-2676    
T1T     419-0952    
T8D     277-5423     277-5421     364-5468    
T8J     335-1064    Former Two Piece Housing
Illustration 1 g03200897
Former two-piece housing design
Illustration 2 g03200531
Former two-piece housing design (A) Clutch Housing Assembly (288-2670, 288-2672, 288-2674, or 277-5422) (B) Washer (8E-9571 or 9M-1974) (C) Bolt (6V-3940 or 6V-5217) (D) 129-1610 O-Ring Seal (E) 125-9794 O-Ring Seal (F) 260-9536 Hub (G) 260-9534 Pilot (H) 2K-5957 Sealing Ring (J) 272-7960 Retainer New One Piece Housing
Illustration 3 g03330435
One piece housing design
Illustration 4 g03200741
One piece housing design (1) Clutch Housing Assembly (364-5467, 384-1843, 384-1847, or 364-5469) (2) 390-9741 Hub (3) 390-9762 Retainer (4) 7S-7018 Seal Metal Ring Assembly Instructions
Refer to Disassembly and Assembly, UENR0125, "Torque Converter - Disassemble" for instructions on disassembling the two piece housing torque converter.
Illustration 5 g03201460
(K) Bolt (5) 1T-0577 Bushing (6) 1T-0686 Thrust Bearing Race (7) Long guide pins (two, M10 x 120mm)Note: Inspect the O-ring seals, the seals, and the gaskets. Replace the O-ring seals, the seals, and the gaskets that are worn or damaged.Note: Lubricate O-ring seals lightly with the lubricant that is being sealed.Use the following steps to adapt a two piece housing:
Use 1U-6396 O-Ring Assembly Compound to stick 1T-0686 Thrust Bearing Race (6) onto clutch housing (1) .Note: To prevent damage, be sure that 1T-0686 Thrust Bearing Race (6) is installed into machined area of clutch housing (1) .
Insert and thread special, long guide pins (two, M10 x 120mm) into impeller.Note: Guide pins are used for installation only and are used to avoid damaging 1T-0577 Bushing (5) .
Set the housing vertically onto 390-9741 Hub (2), then remove guide pins (7) .
Tighten the 24 bolts, (K) to 60 7 N m (44 5 lb ft).