Terex RT700 - Cylinder Troubleshooting

TROUBLESHOOTING
LEAK AT OIL PORTS (CONTINUED)
CAUSE REMEDY
Poor fittings...........................................................................................Replace fittings carefully.
Damaged threads...................................................................................Replace housing.
CYLINDER STICKING OR BINDING
CAUSE REMEDY
Damaged parts.......................................................................................Repair or replace.
Dirt or contamination ............................................................................Check oil condition. Check filters. Clean or replace
filter elements. Change oil if condition requires it.
Loose parts ............................................................................................Tighten cylinder rod eyes, if loose. Check cylinder
heads and tighten, if loose.
Misalignment.........................................................................................Check mounting pins and bushings. Tighten rod
eyes.
ERRATIC ACTION OF CYLINDERS
CAUSE REMEDY
Air in system:
Oil level is too low ................................................................................Add or change.
Air leak..................................................................................................Locate and correct.
Foaming in reservoir .............................................................................Use hydraulic oil containing a foam depressant.
Internal leakage .....................................................................................See “Cylinder Leakage” next page.
Main Relief pressure too low or valve sticking.....................................See section on “Relief Valve”.
CYLINDERS
RT700 Series Page 5 - 28 Issued: August 2003