725C, 725C2, 730C, 730C2 and 730C, 730C2 EJECTOR Articulated Truck Systems Caterpillar


Retarder Hydraulic Control Valve

Usage:

725C2 2L6


Illustration 1g03532517

Table 1
Specification for 149-0978 Retarder Hydraulic Control Valve Gp 
Item  Qty  Part  Specification Description 
Before assembly, lubricate all O-ring seals with the lubricant that is being sealed. 
164-5567 Quick Disconnect Coupler As  Torque to 34 ± 4 N·m (301 ± 35 lb in)
Angle of installation is 35 ± 5 degrees.
8T-0276 Bolt  Torque to 30 ± 4 N·m (265 ± 35 lb in)
1S-5646 Spring  Length under test force is 97.0 mm (3.82 inch).
Test force is 133.5 ± 10.7 N (30.0 ± 2.4 lb).
Free length after test force is 101.6 mm (4.00 inch)
2S-6538 Spring  Length under test force is 76.2 mm (3.00 inch).
Test force is 133.5 ± 10.7 N (30.0 ± 2.4 lb).
Free length after test force is 124.0 mm (4.88 inch)

147-0867 Reducing Valve Group



Illustration 2g03532537

Table 2
Specification for 147-0867 Reducing Valve Group 
Item  Qty  Part  Specification Description 
Before assembly, lubricate all O-ring seals with the lubricant that is being sealed. 
Final installation torque is 50 ± 5 N·m (37 ± 4 lb ft).
Final installation torque for the self-locking nut (6) is 13.0 ± 1.5 N·m (115.0 ± 13.3 lb in).
Resistance of the coil at 25 °C (77 °F) is 2.2 ± 0.2 ohms.
Voltage is 12 VDC. 
Tighten plug to 25 ± 5 N·m (221 ± 44 lb in)
315-9835 Elbow As  Torque to 34 ± 4 N·m (301 ± 35 lb in)

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