K1000896E Operation and Maintenance Manual
Inspection, Maintenance and Adjustment 4-67
SERVICE BRAKE OUTLET PRESSURE
1.
Attach gauge to brake pressure test port
(Figure 111) on front axle.
2.
Outlet pressure should be 60
±
3 kg/cm
2
(853
±
43 psi).
PARKING BRAKE RELEASE PRESSURE
1.
Attach pressure gauge to parking brake
port.
2.
Parking brake pressure.
•
120 ~140 kg/cm
2
(1,707 ~ 1,991 psi)
(S/N 3001 thru 4000)
•
120 ~150 kg/cm
2
(1,707 ~ 2,133 psi)
(S/N 4001 and Up)
FAN MOTOR PRESSURE (S/N 4001 AND UP)
1.
Attach gauge to inlet port of fan motor (1,
Figure 113).
2.
Adjust screw on relief valve cartridge (2,
Figure 113).
NOTE:
Outlet pressure should be
105 ±5 kg/cm
2
(1,490 ±71 psi).
3.
Loosen lock nut on adjusting screw. Turn
adjusting screw clockwise to raise relief
pressure. Turn adjusting screw
counterclockwise to lower relief pressure.
NOTE:
One turn varies pressure 16.5
kg/cm
2
(235 psi).
4.
Tighten lock nut after adjustment has been
made.
Figure 111
Figure 112
Figure 113
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