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Figure 3-9. Brake System Circuit
3-11. BRAKE CIRCUIT DIAGNOSIS CHART
Problem
Brakes will not set properly
NOTE
If brakes have been released with the
Emergency Brake Release Valve,
brakes will not reset until BRAKE UN-
LOCK Circuit has been activated.
Brakes Will Not Stay Locked
Brakes will not retract properly
Reason
Emergency Brake Release Valve Open or Defec-
tive
Spool Valve Not Centered
Defective Check Valve
Low on Oil
Pressure Relief Valve Not Set Properly
Pinched Hose
Defective Mini-Valve
Defective Relay Box or Pendant Control
Loose Retaining Hardware
Emergency Brake Release Valve Open or Defec-
tive
Defective or Dirty Check Valve
Oil Leakage in Circuit
Leaking "O" Ring Inside Cylinder
Incorrect Speed Adjustment
Defective Check Valve
Spool Valve Not Centered
Defective Mini-Valve
Pinched Hose
Defective Solenoid or Wiring
Defective Relay Box or Pendant Control
Defective Brake Cylinder
BRAKE
CYLINDER
82206-309
CHECK
VALVE
SPEED
CONTROL
MINI-
VALVE
PLUMBING
TERMINAL
FLEXIBLE
HOSE
BRAKE
CYLINDER
BRAKE
CYLINDER
BRAKE
CYLINDER
EMERGENCY
BRAKE RELEASE
VALVE
RETURN
TO RESERVOIR
COPPER
LINE
RETAINING
HARDWARE
Содержание 3501B EZ SLIDE
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