PLUG 1958203 - Caterpillar

Illustration 1 g00867348
Illustration 2 g00867362
Illustration 3 g00873335
Illustration 4 g00873337
The rotation of the shaft is counterclockwise when the rotation of the shaft is viewed from the drive end.The pump is a variable piston pump.For the test, use SAE 10W oil that is at 65°C (150°F).Test at full speed: Output ... 158 L/min (42 US gpm) Pressure ... 690 kPa (100 psi) Pump speed ... 2200 rpm Engine speed ... 2200 rpm Output ... 150 L/min (40 US gpm) Pressure ... 6900 kPa (1000 psi) Pump speed ... 2200 rpm Engine speed ... 2200 rpmTest at half speed: Output ... 79 L/min (21 US gpm) Pressure ... 690 kPa (100 psi) Pump speed ... 1100 rpm Engine speed ... 1100 rpm Output ... 75 L/min (20 US gpm) Pressure ... 6900 kPa (1000 psi) Pump speed ... 1100 rpm Engine speed ... 1100 rpm (1) Case drain port (2) Inlet port (3) Torque for six bolts ... 70 7 N m (52 5 lb ft) (4) Torque for four bolts ... 34 3 N m (25 2 lb ft) (5) Pressure and flow compensator valve (6) Torque for rods ... 79 4 N m (58 3 lb ft)Note: Apply 9S-3263 Thread Lock to the threads of the rods prior to installation. (7) Bias spring Test length ... 85.4 mm (3.40 inch) Test force ... 178 18 N (40 4 lb) Free length after test ... 92 mm (3.6 inch) Outside diameter ... 40.0 mm (1.60 inch) (8) Pump rotating group (9) To achieve 0.010 to 0.100 mm (.0004 to .0039 inch) axial shaft end play, use 9T-2197 Shaft Shim Kit, as required.Shaft shim kit Quantity ... 17 Outside diameter ... 38.5 mm (1.52 inch) Inside diameter ... 28.9 mm (1.14 inch) (10) Torque for two plugs ... 12.85 0.15 N m (114 1 lb in) (11) Torque for plug ... 101.5 4.5 N m (75 3 lb ft) (12) Load sensing signal port (13) Torque for three plugs ... 8.5 1.0 N m (75.00 9.00 lb in) (14) Torque for two screws ... 4.0 0.4 N m (35.00 4.00 lb in) (15) Spring Test length ... 11.1 mm (0.44 inch) Test force ... 33 3 N (7.0 .7 lb) Free length after test ... 17.0 mm (0.67 inch) Outside diameter ... 25.0 mm (0.98 inch) (16) Torque for plug ... 79 4 N m (58 3 lb ft)
Illustration 5 g00874552
6E-6571 Pump Rotating Group (8) (17) Torque for four bolts ... 14 1 N m (124 9 lb in)Note: Apply 9S-3263 Thread Lock to the threads of the bolts prior to installation. (18) Spring Test length ... 46.0 mm (1.80 inch) Test force ... 1024 102 N (230 23 lb) Free length after test ... 75.2 mm (2.96 inch) Outside diameter ... 47.5 mm (1.87 inch)