793B Off-Highway Truck Power Train Lockup Clutch and Synchronizing Valve (Torque Converter) Caterpillar


Lockup Clutch and Synchronizing Valve (Torque Converter)
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793B Off-Highway Truck Power Train [SENR6317]
POWER TRAIN
VALVE GP-LOCKUP CLUTCH & SYNC
793B Off-Highway Truck Power Train Lockup Clutch and Synchronizing Valve (Torque Converter)


Illustration 1g06078170

Table 1
Specification for 8E-6146 Lockup Clutch and Synchronizing Valve 
Item  Qty  Part Number  Description 
Maximum pressure for the lockup clutch is 2415 ± 100 kPa (350 ± 15 psi).
Lockup clutch primary pressure is 1175 ± 20 kPa (170 ± 3 psi)
14  321-8641 Plug As  Torque to 5.5 ± 1.5 N·m (48.7 ± 13.3 lb in)
1D-4540 Bolt  Torque to 30 ± 4 N·m (266 ± 35 lb in)
315-9859 Plug As  Torque to 70 ± 7 N·m (52 ± 5 lb ft)
6T-1406 Spool  Install the spool from end "G" only. 
1W-5879 Spring  Length under test force is 44.2 mm (1.74 inch).
Test force is 40.0 ± 2.0 N (9.0 ± 0.4 lb).
Free length after test is 54.6 mm (2.15 inch)
307-2673 Plug As  Torque to 50 ± 5 N·m (37 ± 4 lb ft)
9N-1756 O-Ring Seal  Lubricate lightly with lubricant that is being sealed. 
183-3407 Plug As  Torque to 25 ± 5 N·m (221 ± 44 lb in) 
6Y-7268 Spring  Length under test force one is 79.5 mm (3.13 inch).
Test force one is 132.70 ± 6.64 N (29.83 ± 1.49 lb).
Length under test force two is 63.0 mm (2.48 inch).
Test force two is 302.8 ± 10.8 N (68.1 ± 2.4 lb).
Free length after test is 92.37 mm (3.637 inch)
10  As required, Use the following shim: 
2 8J-4452 Shim  Thickness is 0.12 mm (0.005 inch)
Pressure change with one shim is 10 kPa (1.5 psi)
2 2S-0675 Spacer  Thickness is 0.40 mm (0.016 inch)
Pressure change with one shim is 32 kPa (4.7 psi)
2 9J-1330 Shim  Thickness is 0.79 mm (0.031 inch).
Pressure change with one shim is 62 kPa (9.0 psi)
11  As required, Use the following shim: 
2 5J-2721 Shim  Thickness is 0.13 mm (0.005 inch).
Pressure change with one shim is 10 kPa (1.4 psi)
2 6J-3993 Shim  Thickness is 0.25 mm (0.010 inch).
Pressure change with one shim is 19 kPa (2.8 psi)
2 5J-1036 Shim  Thickness is 0.80 mm (0.031 inch).
Pressure change with one shim is 60 kPa (8.7 psi)
12  9W-7410 Spring  Length under test force one is 79.5 mm (3.13 inch).
Test force one is 78.3 ± 3.9 N (17.6 ± 0.9 lb).
Length under test force two is 63.0 mm (2.48 inch).
Test force two is 237.3 ± 8.7 N (53.3 ± 2.0 lb).
Free length after test is 87.63 mm (3.450 inch)
13  201-6622 Orifice Plug As(1)  Torque to 1.0 to 1.2 N·m (8.9 to 10.6 lb in) 
14  9P-0683 Spring  Length under test force is 25.40 mm (1.000 inch).
Test force is 35.6 ± 2.8 N (8.00 ± 0.60 lb).
Free length after test is 66.04 mm (2.600 inch)
15  4M-2381 Spring  Length under test force is 12.2 mm (0.48 inch).
Test force is 2.230 ± 0.182 N (0.517 ± 0.041 lb)
Free length after test is 22.6 mm (0.89 inch) 
16  2B-2695 Bolt  Torque to 30 ± 4 N·m (266 ± 35 lb in) 
17  9D-7884 Spring  Length under test force is 18.62 mm (0.733 inch).
Test force is 161.5 N (36.3 lb).
Free length after test is 23.9 mm (0.94 inch)
18  321-8643 Plug As(2)  Torque to 5.5 ± 0.5 N·m (48.7 ± 4.4 lb in) 
(1) Color code is "Blue"
(2) Color code is "Green"


Illustration 2g06078184
View E-E

Table 2
Item  Qty  Part Number  Description 
19  0S-1618 Bolt  Torque to 30 ± 7 N·m (266 ± 62 lb in) 

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