CONTROL GP-HYDRAULIC HAND 2398568 - Caterpillar

Relief Valve (Main) - Test and Adjust
Table 15
Status (1)     Description     Specification     Actual     Comments    
    Piston Pump 1 (Move the Boom Control Lever to the RAISE position at HIGH Idle.)    
21100 500 kPa (3060 75 psi)            
    Piston Pump 2 (Move the Stick Control Lever to the OUT position at HIGH Idle.)    
21100 500 kPa (3060 75 psi)            
    Gear Pump (Move the Blade Control Lever to the RAISE position at HIGH Idle.)    
17650 450 kPa (2560 65 psi)            
( 1 ) N = Normal, M = Monitor, A = ActionRelief Valve (Line) - Test
Table 16
Status (1)     Description     Specification     Actual     Comments    
    Boom Raise Line Relief Valve    
23750 250 kPa (3445 36 psi)            
    Boom Lower Line Relief Valve    
23750 250 kPa (3445 36 psi)            
    Stick Out Line Relief Valve    
23750 250 kPa (3445 36 psi)            
    Stick In Line Relief Valve    
23750 250 kPa (3445 36 psi)            
( 1 ) N = Normal, M = Monitor, A = ActionRelief Valve (Swing) - Test
Table 17
Status (1)     Description     Specification     Actual     Comments    
    Swing Relief Valve (Left Swing)    
17000 to 21000 kPa (2466 to 3046 psi)            
    Swing Relief Valve (Right Swing)    
17000 to 21000 kPa (2466 to 3046 psi)            
( 1 ) N = Normal, M = Monitor, A = ActionS.O.S
ReferenceRefer to Operation and Maintenance Manual, SEBU7203, "Maintenance Interval Schedule" for more detail on the following S.O.S.
Table 18
Status (1)     Description     Obtain     Comments    
    Engine Oil Sample            
    Engine Coolant Sample (Level I)            
    Engine Coolant Sample (Level II)            
    Hydraulic Oil Sample            
    Right Final Drive Oil Sample            
    Left Final Drive Oil Sample            
    Swing Drive Oil Sample            
( 1 ) N = Normal, M = Monitor, A = Action