525C Wheel Skidder, 535C Wheel Skidder and 545C Wheel Skidder Power Train Caterpillar


Transmission Control Valve

Usage:

525C 525



Illustration 1g01272950

(1) Tighten the 145-7028 Temperature Sensor to the following torque. ... 6 ± 1 N·m (53 ± 9 lb in)

(2) Tighten the 164-3651 Adapter to the following torque. ... 30 ± 4 N·m (22 ± 3 lb ft)

(3) No. 6 Solenoid (Third Speed) (No. 5 Clutch)

(4) No. 5 Solenoid (First Speed) ( No. 6 Clutch)

(5) No. 4 Solenoid (Second Speed) ( No. 4 Clutch)

(6) No. 3 Solenoid (Reverse) ( No. 3 Clutch)

(7) No. 2 Solenoid (Forward Low) ( No. 1 Clutch)

(8) No. 1 Solenoid (Forward High) (No. 2 Clutch)

(9) Tighten the 3 5P-8347 Bolts to the following torque. ... 30 ± 4 N·m (22 ± 3 lb ft)

(10) Tighten the 2 6V-5221 Bolts to the following torque. ... 30 ± 4 N·m (22 ± 3 lb ft)

(11) Tighten the 5P-8347 Bolts to the following torque. ... 30 ± 4 N·m (22 ± 3 lb ft)

You should refer to the following table for shifting of the transmission.

Table 1
Speed Range and Direction of the Machine     Energized Solenoids     Engaged Clutches    
1-F     No. 2 and No. 5     No. 1 and No. 6    
2-F     No. 1 and No. 5     No. 2 and No. 6    
3-F     No. 2 and No. 4     No. 1 and No. 4    
4-F     No. 1 and No. 4     No. 2 and No. 4    
5-F     No. 1 and No. 6     No. 2 and No. 5    
N     6     5    
1-R     No. 3 and No. 5     No. 3 and No. 6    
2-R     No. 3 and No. 4     No. 3 and No. 4    
3-R     No. 3 and No. 6     No. 3 and No. 5    

Note: The third gear clutch might not engage in neutral during certain conditions.

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