HYDRAULICS
8M-64
Figure 8M-14. Charge Pump, Steering, and Lift Circuit Test
5. Read and record the charge pump no load pres-
sure A) and Flow B) on Flow Test Report 1.
6. Slowly close tester load valve until a reading of
750 psi (5171 kPa) is obtained, record flow C) on
Flow Test Report 1.
7. Subtract flow, Step 6; from the no load flow, Step
5.
1.01 ci
3625 psi
915 psi
3625 psi
58 psi
1.35 ci
.425 ci
3100
RPM
A
IN
OUT
Case Drain
B
Gear
Pump
10
Micron
Steering
Valve
In Aux Out
P
P
PLT
T
T
C
C
G
G
M1 M2
RT LT
6.6 ci
3200 psi
300
psi
1.27 ci
11.9 ci
8.6 ci 8.6 ci
11.9 ci
RF
Wheel
Motor
RR
Wheel
Motor
Hot Oil
Shuttle
LF
Wheel
Motor
LR
Wheel
Motor
Deck
Valve
Oil
Filter
Oil
Cooler
Steering
Cylinder
In
AB
Out
.070
Lift
Valve
Lift
Cylinder
IN
OUT
CAP LINES
Charge Pump Flow Test
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