PLATE 1745648 - Caterpillar

Rotation is clockwise when seen from drive end.Type of pump: Axial piston (variable displacement).For test, use SAE 10W oil at 65°C (150°F) Test At Full Speed: Output ... 274 liter/min (72 U.S. gpm) At a pressure of ... 690 kPa (100 psi)With pump at ... 1800 rpmWith engine at ... 1800 rpmOutput ... 262 liter/min (69 U.S. gpm) At a pressure of ... 6900 kPa (1000 psi)With pump at ... 1800 rpmWith engine at ... 1800 rpm Test At Half Speed: Output ... 139 liter/min (36.5 U.S. gpm) At a pressure of ... 690 kPa (100 psi)With pump at ... 900 rpmWith engine at ... 900 rpmOutput ... 130 liter/min (34.2 U.S. gpm) At a pressure of ... 6900 kPa (1000 psi)With pump at ... 900 rpmWith engine at ... 900 rpm (1) Torque for nut ... 68 3 N m (51 2 lb ft)(5) Clearance of 0.43 0.08 mm (.017 .003 in) between pump control head group and impeller. Check clearance at three places, 120° apart.(9) 4T0360 Spring: Length under test force ... 52.68 mm (2.070 in)Test Force ... 2400 100 N (540 22 lb)Free length after test ... 98.3 mm (3.87 in)Outside diameter ... 65.0 mm (2.56 in)(10) Clearance of 0.09 0.04 mm (.003 .002 in) between slippers and wear plate. Check clearance at three places, 120° apart.(11) Torque for bolts ... 13.5 2.5 N m (10.4 2 lb ft)(12) Use shims for adjustment.Shim thickness: 8J2068 ... 0.05 mm (.002 in)8J2069 ... 0.12 mm (.005 in)(14) (15) Use shims for adjustment.Shim thickness: 8J0503 ... 0.051 mm (.0020 in)8J0504 ... 0.127 mm (.0050 in)(17) Lubricate sealing lip with lubricant being sealed. Press seal into housing with a force of 17 800 2200 N (4000 490 lb)(21) 4T7941 Shim: Thickness ... 0.50 mm (.020 in)One shim will change pressure ... 14 kPa (2 psi)(22) 6E3449 Spring: Length under test force ... 46.0 mm (1.81 in)Test Force ... 87 7 N (20 1.6 lb)Free length after test ... 58.5 mm (2.30 in)Outside diameter ... 29.5 mm (1.16 in)(22) 6E1980 Spring: Length under test force ... 46.0 mm (1.81 in)Test Force ... 72 6 N (16 1.3 lb)Free length after test ... 56.0 mm (2.20 in)Outside diameter ... 29.5 mm (1.16 in)(23) 9S4982 Spring: Length under test force ... 14.6 mm (.58 in)Test force ... 2.7 0.2 N (.61 .05 lb)Free length after test ... 27.7 mm (1.09 in)Outside diameter ... 9.8 mm (.39 in)(24) Torque for nut ... 170 27 N m (125 20 lb ft)(25) Adjust for MINIMUM swashplate angle of ... 2° 41' 10'(26) Torque for nut ... 170 27 N m (125 20 lb ft)(27) Adjust for MAXIMUM swashplate angle of ... 14° 41' 10'Shaft Bearing Setting Check
1. Do this procedure whenever shaft bearings (7) or (16), shaft (20), body (19) or head group (6) is replaced. Do not install barrel