COVER AS-PRECLEANER 2P2508 - Caterpillar

Note: All 314-9930 Selector and Pressure Control Valve, 261-3383 Selector and Pressure Control Valve and 261-3378 Pressure Control Valve Groups should be modified per Service Magazine, SEPD1360, "Hydraulic Control Modifications for TH48-E80 Petroleum Transmission and SPF343C Pumper Transmission {3074, 3083, 3167}".
Table 1
TH48-E80 ICM Valve History
Control Group 8 Speed No Warm up Feature 7 Speed with Warm-up Feature
258-8741 314-9942
Valve Group 261-3372 367-2223 314-9940 367-2233
Serial Numbers 1-845 846-Up 1-845 846-Up
Pressure Control Valve 261-3378 367-2179 261-3378 367-2179
Selector Valve 261-3383 375-5500 314-9930 375-5499
Manifold 261-3377 261-3377 261-3377 261-3377 Note: The valve group for serial numbers 1-845 will be identical to the valve group for serial numbers 846 and up after updating per service magazine SEPD1360.Note: The valve group was updated to reduce clutch power and energy during the shift and increase shift speed to reduce transmission output speed drop during shifting.
Illustration 1 g03110856 (1) 9P-0673 Relief Valve Installation torque ... 85 10 N m (63 7 lb ft)Pressure setting ... 850 103 kPa (123 15 psi) (2) Torque for 150-4732 Cap ... 85 10 N m (63 7 lb ft) (3) 3T-9920 Spring Length