Case CX130 - Page 252

7 - 16
HYDRAULIC PRESSURE SETTINGS
CASE TRAINING CENTER
AUGUST 2000
Adjustment
CS99B596
(I) RH swing secondary relief valve
(J) LH swing secondary relief valve
1. Remove the secondary relief valve concerned
from the swing motor. If both secondary relief
valves have to be removed, mark them ready for
reassembly.
CS99B598
2. Tighten the body of the valve in a vice and remove
the plug (1), guide (2), liner (3), spacer (4), shims
(5), spring (6) and the check valve (7).
3. Remove (to reduce the pressure) or add (to
increase the pressure) the number of shims (5)
required to reach the correct pressure.
4. Reassemble the parts (1 to 7) of the valve and
tighten the plug (1) to 157 Nm.
5. Reassemble the valve on the swing motor and the
tighten to 78 Nm.
6. Check the pressure of the valves again and make
sure there are no leaks.
Checking the swing braking
pressure
CD00E192
1. Disconnect the hose swing brake supply hose at
the reduction gear end and connect a pressure
test point and a 0-100 bar pressure gauge to the
hose.
2. With the engine at full speed, select mode "S".
3. With the swing control in the neutral position,
switch on the swing brake control on the
instrument panel (indicator lamp ON), the
pressure should be between 0 and 3 bar.
4. With the swing control in the neutral position,
switch off the swing brake control on the
instrument panel (indicator lamp OFF), the brake
release pressure should be about 39 bar.
I
J
1 2 3 7
4 5 6