Service Manual

8 P Series
HYDRAULIC SCHEMATIC
Figure 6. PC, PG, PJ, PK and PR Pumps with Standard Charge Pump
Orice size
No Bleed
.024 Bleed
.031 Bleed
.044 Bleed
Relief pressure (psi)
Check ball
1740
2320
2900
Relief pressure (bar)
Check ball
120
160
200
System Check & Relief Valve Options
AUXILIARY DISCHARGE
AUXILIARY RETURN
CHARGE PUMP
INLET
CHARGE DIAGNOSTIC
PORT “B”
PORT “A”
BYPASS VALVE
BLEED OPTIONS:
1) NO BLEED ORIFICE
2) .031” BLEED ORIFICE
Orice size
No Bleed
.024 Bleed
.031 Bleed
.044 Bleed
Relief pressure (psi)
Check ball
1740
2320
2900
Relief pressure (bar)
Check ball
120
160
200
System Check & Relief Valve Options
PORT “A”
PORT “B”
BYPASS VALVE
BLEED OPTIONS
1) NO BLEED ORIFICE
2) .031” BLEED ORIFICE
CHARGE
DIAGNOSTIC
CHARGE PUMP
INLET
OR
OR
SYSTEM
CHARGE
RELIEF
OR
OR
650 PSI
AUX RELIEF
SYSTEM
CHARGE
RELIEF
Figure 7. PC, PG, PJ, PK and PR Pumps with AuxiliaryCharge Pump