IT28G Integrated Toolcarrier and 928G Wheel Loader Transmission Hydraulic Control Caterpillar


Transmission Hydraulic Control
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IT28G Integrated Toolcarrier and 928G Wheel Loader [SENR1219]
POWER TRAIN
CONTROL GP-TRANSMISSION HYD
IT28G Integrated Toolcarrier and 928G Wheel Loader Transmission Hydraulic Control



Illustration 1g00104102

(1) Torque for 17 bolts ... 30 ± 4 N·m (22 ± 3 lb ft)

(2) Torque for three socket head bolts ... 30 ± 4 N·m (22 ± 3 lb ft)

(3) Torque for three bolts ... 55 ± 10 N·m (41 ± 7 lb ft)

(4) Torque for four bolts ... 30 ± 4 N·m (22 ± 3 lb ft)

(5) Torque for plug ... 25 ± 4 N·m (18 ± 3 lb ft)

(6) Torque for two bolts ... 30 ± 4 N·m (22 ± 3 lb ft)

(7) 6Y-2522 Spring (yellow stripe):

Length under test force ... 52.86 mm (2.081 inch)
Test force ... 51.2 ± 2.6 N (11.510 ± 0.584 lb)
Free length after test ... 67.4 mm (2.65 inch)
Outside diameter ... 15 mm (0.590 inch)

(8) 3J-6956 Spring

Length under test force ... 12.70 mm (.500 inch)
Test force ... 2 ± 0.1 N (.38 ± .02 lb)
Free length after test ... 19.1 mm (.75 inch)
Outside diameter ... 9.7 mm (.38 inch)

(9) Torque for two bolts ... 55 ± 10 N·m (41 ± 7 lb ft)

(10) 6V-0484 Adapter

Torque for the Adapter ... 14 ± 2 N·m (10 ± 1 lb ft)
Position for the Adapter ... 20 degrees

(11) 8E-6703 Valve Group

(12) 8E-5523 Valve Group

(13) 6V-3965 Nipple Assembly Torque for three Nipple Assemblies ... 14 ± 2 N·m (10 ± 1 lb ft)

(14) Torque for four bolts ... 30 ± 4 N·m (22 ± 3 lb ft)

Table 1
Speed and Direction     Solenoids Energized     Clutches Engaged    
1 Forward     3,4     1,6    
2 Forward     3,5     1,4    
3 Forward     3,6     1,5    
4 Forward     1,6     2,5    
Neutral     -     -    
1 Reverse     2,4     3,6    
2 Reverse     2,5     3,4    
3 Reverse     2,6     3,5