I-22
35 Series 4WD, Model - 3535, 4035, 4535 and 5035 SM June’08
DRAWBACKS CAUSES REMEDIES
The Rockshaft supports Piston gasket worn. Replace the gasket.
loads with difficulty;
there is a rhythmic oscillation Discharge Valve not Adjust the sensitivity of Control
when the engine is on; the adjusted Valve or substitute the valve
load descends
when the engine is off. Oil leakage from Safety Remove Control Valve and
Valve adjust valve
Oil leakage from Check Remove the Control Valve
Valve and adjust valve
With the arms raised at back Incorrectly adjusted of Adjust the position control
stop and with the engine on, position control lever which, lever
we have verified a rhythmic at maximum raised height,
oscillation; with the engine causes the internal
off the load does not lower automatic back-stop
to function
Working with the draft Sensitivity of the Control Adjust the sensitivity of the
Control, the implement drops Valve is badly adjusted Control Valve
too much or doesn’t stay in
the groove
The draft control does not Draft control lever is Adjust the draft control lever
function; the rockshaft raises adjusted badly
and lowers only with the
position lever
The position control does not Position control lever is Adjust the position control
function; the rockshaft raises adjusted badly lever
and lowers only with the
draft lever
Internal levers damaged Overhaul the rockshaft
Rockshaft does not lift Preselector is fully closed Unscrew fully the preselector
and the relief valve acts “P”
with the possibility to
damage the pump
Hydraulics
10. TROUBLESHOOTING (Contd.)
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