BUSHING 3941178 - Caterpillar

Rotation is counterclockwise when seen from drive end.Type of pump: pistonFor bench test use SAE 10W oil at 65°C (150°F)Displacement ... 43.0 cm3/rev (2.3 in3/rev) Test At Full SpeedOutput ... 93 liter/min (24 U.S. gpm) At a pressure of ... 2050 kPa (300 psi)With pump at ... 2200 rpmWith engine at ... 2200 rpmOutput ... 91 liter/min (24 U.S. gpm) At a pressure of ... 6900 kPa (1000 psi)With pump at ... 2200 rpmWith engine at ... 2200 rpm Test At Half SpeedOutput ... 52.5 liter/min (13.7 U.S. gpm) At a pressure of ... 2050 kPa (300 psi)With pump at ... 1100 rpmWith engine at ... 1100 rpmOutput ... 51.8 liter/min (13.7 U.S. gpm) At a pressure of ... 6900 kPa (1000 psi)With pump at ... 1100 rpmWith engine at ... 1100 rpm(1) Tighten four bolts to a torque of ... 14 to 18 N m (10 to 13 lb ft)(2) Tighten three bolts to a torque of ... 21 to 26 N m (16 to 21 lb ft)(3) Main relief valve pressure setting ... 19 000 kPa (2755 psi) Tighten plug to a torque of ... 135 to 230 N m (100 to 170 lb ft)(4) Tighten seven bolts to a torque of ... 43 to 63 N m (32 to 47 lb ft)(5) Tighten four bolts to a torque of ... 2.0 to 2.7 N m (18 to 24 lb in)(6) Tighten two nuts (not shown) to a torque of ... 18 to 24 N m (13 to 18 lb ft)(7) Charge relief valve setting ... 2760 2930 kPa (400 425 psi) Tighten plug to a torque of ... 40 to 95 N m (30 to 70 lb ft)Nominal shim thickness ... 11.4 mm (.45 in)(8) Tighten bypass valve to a torque of (Do not overtighten) ... 10 to 14 N m (7 to 10 lb ft)Pump Servo
(9) Tighten locknut to a torque of ... 24 to 37 N m (18 to 27 lb ft)(10) Tighten ten bolts to a torque of ... 14 to 18 N m (10 to 13 lb ft)(11) Tighten locknut to a torque of ... 18 to 24 N m (13 to 18 lb ft)Electrical Displacement Control (EDC)
(12) Pressure Control Pilot (PCP) The PCP cover is filled with silicone oil.Coil (inside PCP cover) Maximum continous voltage: High amplitude coil ... 6.8 VdcLow amplitude coil ... 6.1 VdcCurrent in neutral ... 46 9 maCurrent at full stroke ... 130 18 maResistance at 24°C (76°F): High amplitude coil ... 19.5 ohmsLow amplitude ... 15.5 ohms(13) Tighten neutral adjust screw locknut to torque of ... 2.8 to 3.4 N m (25 to 30 lb in)