SkyTrak 6036 Service Manual - Manual (Page 189)

Section 9. Hydraulic System
Model 6036 S/N 9B0499 and Before 9-76
Trouble Probable Cause Remedy
Check cable linkage and lubricate or free up as
required.
Disassemble control valve and replace broken
parts (para 9.3.1).
Inspect valve body and spool and replace valve
section if scored (para 9.3.1).
Disassemble valve and replace broken spring
(para 9.3.1).
Clean and lubricate the linkage and make sure it
operates freely.
Disassemble and clean control valve thoroughly
(par 9.3.1).
Check all joints for faulty connections.
Replace applicable valve section.
Binding valve cable linkage
Broken internal parts
Scored valve body bore
causing leakage between
spool and body
Broken centering spring
Too much friction in linkage
connecting valve to operat-
ing lever
Dirt in valve
Sheared pin in connection
to valve
Check main control valve
forbroken spool
Directional Control
Valve Difficult to Shift
Directional Control
Valve Does Not
Return
Shifting of Operator
Lever Fails to Cause
Spool in Directional
Control Valve to Shift