PUMP & MTG GP-MAIN HYDRAULIC 7Y1663 - Caterpillar

Relief Valve (Steering) - Test and Adjust
Table 16
Status (1)    Description    Specification    Actual    Comments    
    Relief Valve Pressure at Engine Speed of 1200 rpm    
16800 to 19700 kPa (2437 to 2857 psi)            
( 1 ) N = Normal, M = Monitor, A = ActionRelief Valve (Backhoe) - Test and Adjust
Table 17
Status (1)    Description    Specification    Actual    Comments    
    Backhoe Relief Valve Pressure at Engine Speed of 1200 rpm    
24800 1000 kPa (3597 145 psi)            
( 1 ) N = Normal, M = Monitor, A = ActionRelief Valve (Loader) - Test and Adjust
Table 18
Status (1)    Description    Specification    Actual    Comments    
    Loader Relief Valve Pressure at Engine Speed of 1200 rpm    
22800 1000 kPa (3307 145 psi)            
( 1 ) N = Normal, M = Monitor, A = ActionRide Control Accumulator - Test and Charge
Table 19
Status (1)    Description    Specification    Actual    Comments    
    Ride Control Accumulator Pressure    
1860 34.5 kPa (270 5.0 psi)            
( 1 ) N = Normal, M = Monitor, A = ActionS.O.S
ReferenceRefer to Operation and Maintenance Manual, SEBU7687, "Maintenance Interval Schedule" for more detail on performing S.0.S samples.
Table 20
Status (1)    Description    Obtain    Comments    
    Engine Oil Sample            
    Engine Coolant Sample (Level II)            
    Hydraulic Oil Sample            
    Transmission Oil Sample            
    Front Right Final Drive Oil Sample            
    Front Left Final Drive Oil Sample            
    Rear Right Final Drive Oil Sample            
    Rear Left Final Drive Oil Sample            
    Front Axle/Diff Oil Sample            
    Center Axle/Diff Oil Sample            
    Rear Axle/Diff Oil Sample            
    Transfer Case Oil Sample            
    Brake Fluid Oil Sample            
    Power Steering Oil Sample            
( 1 ) N = Normal, M = Monitor, A = Action