MANIFOLD-EXH 1138181 - Caterpillar

Illustration 1 g00888781
All pump lines and pump housing must be filled with oil prior to start-up. Failure to provide proper oil fill may result in system damage.
The following table gives the pressure and flow values for the bench test specifications at 2500 rpm.
Table 1
   Pressure    Flow    
   P1    P2    P3    P4    Q1, Q2    Q3    Q4    
a     0.0 MPa (0.0 psi)    
0.0 MPa (0.0 psi)    
0.98 MPa (142.14 psi)    
3.43 MPa (497.48 psi)    
44.75 0.8 L/min (11.82 0.21 US gpm)        
10 L/min (2.6417 US gpm) minimum    
b    
11.5 MPa (1667.94 psi)    
11.5 MPa (1667.94 psi)    
0.98 MPa (142.14 psi)    
3.43 MPa (497.48 psi)    
43.3 L/min (11.44 US gpm) minimum            
c    
19.5 MPa (2828.24 psi)    
19.5 MPa (2828.24 psi)    
0.98 MPa (142.14 psi)    
3.43 MPa (497.48 psi)    
20.0 L/min (5.28 US gpm) minimum            
d    
24.5 MPa (3553.43 psi)    
24.5 MPa (3553.43 psi)    
0.98 MPa (142.14 psi)    
3.43 MPa (497.48 psi)    
13.5 2.0 L/min (3.57 0.53 US gpm)            
e    
0.0 MPa (0.0 psi)    
0.0 MPa (0.0 psi)    
20.6 MPa (2987.78 psi)    
3.43 MPa (497.48 psi)    
38.0 L/min (10.04 US gpm) minimum            
f    
6.0 MPa (870.23 psi)    
6.0 MPa (870.23 psi)    
20.6 MPa (2987.78 psi)    
3.43 MPa (497.48 psi)    
21.0 L/min (5.55 US gpm) minimum            
g    
17.0 MPa (2465.65 psi)    
17.0 MPa (2465.65 psi)    
20.6 MPa (2987.78 psi)    
3.43 MPa (497.48 psi)    
5.0 L/min (1.32 US gpm) minimum    
40.8 L/min (10.78 US gpm) minimum        
h    
24.5 MPa (3553.43 psi)    
24.5 MPa (3553.43 psi)    
20.6 MPa (2987.78 psi)    
3.43 MPa (497.48 psi)    
4.0 1.0 L/min (1.06 0.26 US gpm)             (1) Swing Pump Type of pump ... Gear Displacement at port 3 ... 16.8 cc/rev (2) Torque for three plugs ... 29 3 N m (21 2 lb ft) (3) Main pump Type of pump ... Axial piston (variable displacement) Displacement at port 1 ... 17.9 cc/rev Displacement at port 2 ... 17.9 cc/rev (4) Torque for two screws ... 6 1 N m (4.4 0.7 lb ft) (5) Torque for plug ... 57 6 N m (42 4 lb ft) (6) Torque for two bolts ... 44 4 N m (32 3 lb ft) (7) Pilot Pump Type of pump ... Trochoid Displacement at port 4 ... 4.9 cc/rev (8) Torque for two orifices ... 2 1 N m (1.5 0.7 lb ft) (9) Torque for four bolts ... 107 11 N m (79 8 lb ft) (10)