TORQUE CONVERTER GP 1T2055 - Caterpillar

The clutches and clutch shafts can be removed from the marine gear as a unit for servicing. This can be accomplished without removing the marine gear from the diesel engine. The upper housing, oil pump, oil filter, oil manifolds, control valve and oil cooler must be removed in order for the clutches and clutch shafts to be removed.Upper Housing
Removal
1. Remove oil pump (7), oil filter (1), control valve (2), oil manifold (6), oil manifold (8), oil cooler (3) and magnetic strainer (9). See the covering topics.2. Remove bolts (4) and lift cover (5) from the top housing. Inspect the gasket and replace if necessary.3. Remove the bolts (11) securing the upper housing to the lower housing.4. Disconnect oil line (13) at position indicated.5. Bend locks and loosen bolts (14) and also the locks and bolts securing the rear retainers (15). Before saddle bolts (12) are loosened, place two four inch wooden blocks under the clutch end of the shaft between the drive ring and the lower housing. The clutch end of the shaft is over-balanced and will drop into the lower housing unless it is supported.6. Loosen and remove saddle bolts (12).7. With the aid of four forcing screws, separate the upper housing from the lower housing and lift the upper housing off as shown.
PREPARING TO REMOVE UPPER HOUSING
1-Oil filter. 2-Control valve. 3-Oil cooler. 4-Bolts (twenty-six). 5-Top cover. 6-Oil manifold. 7-Oil pump. 8-Oil manifold. 9-Magnetic strainer.
REMOVING UPPER HOUSING
10-Upper housing. 11-Bolts (sixteen). 12-Saddle bolts (four). 13-Oil lubrication line. 14-Retainer bolts (nine). 15-Rear retainers (two).
REMOVING UPPER HOUSINGUpper Housing Installation
1. Clean and dry the mating surfaces of the upper and lower housings.2. Apply 7M7260 Liquid Gasket Material to the lower housing.3. Lower the upper housing (10) onto the lower housing, aligning the dowels in the lower housing with mating holes in the upper housing.4. Install bolts (11) securing the upper housing to the lower housing.5. Insure that the front bearing retainers are tight.6. Tighten bolts (14) securing rear bearing retainers (15) in place.7. Install and initially tighten saddle bolts (12) in a C-B-D-A sequence to 150 lb. ft. (20,7 mkg). Tighten the bolts in the same sequence to 265 35 lb. ft. (36,6 4,8 mkg).
TIGHTENING UPPER HOUSING SADDLE BOLTS8. Connect line (13) to fitting on saddle.9. Install the gasket and top cover (5) using bolts (4).Upper Shaft
Removal
1. Remove the upper housing. See the covering topic.
PREPARING TO REMOVE UPPER SHAFT
1-Front retainer. 2-Front retainer. 3-Rear retainer. 4-Bolts (five). 5-Bolts (four). 6-Rear retainer.2. Install a 1/2" forged lifting eye and attach a hoist to the shaft group.3. Remove bolts (4) and (5) securing