777G Off-Highway Truck Power Train Caterpillar


Transmission Hydraulic Control

Usage:

777G GT7



Illustration 1g02186734

(1) Lubricate the seals with a small amount of the lubricant that is being sealed.

(2) Torque for the two drains ... 35.0 ± 7.5 N·m (26 ± 6 lb ft)

(3) Torque for the torque converter inlet relief valve ... 45.0 ± 7.5 N·m (33 ± 6 lb ft)

(4) Torque for the harness assembly ... 9 ± 1 N·m (80 ± 9 lb in)

(5) Torque for the nine hose assemblies ... 25 ± 3 N·m (18 ± 2 lb ft)

Table 1
Speed Range and Direction     Engaged Clutches    
Neutral     1    
Reverse     1 and 7    
First Speed Forward     2 and 6    
Second Speed Forward     1 and 6    
Third Speed Forward     3 and 6    
Fourth Speed Forward     1 and 5    
Fifth Speed Forward     3 and 5    
Sixth Speed Forward     1 and 4    
Seventh Speed Forward     3 and 4    

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