Swing - New Holland B95CTC Operator's Manual

Swing

PROBLEM
Right or left swing is inoperative, is
too slow or loses power.
The swing fails to slow down (bearing
stop) at stroke end.
The swing does not stop when the
control lever returns to neutral (one
direction only).
Cylinder leak (spools in neutral).
A circuit temporarily lowers when
given the control to lift.
8 - TROUBLESHOOTING
POSSIBLE CAUSE
The swing circuit relief valves are
not seating, set to a too low value or
there is a leak in the seat.
Valve spool leaking.
Cylinder seals leaking or cylinder
barrel damaged.
Built-in sliding limiter damaged.
Cylinder seals leaking or cylinder
barrel damaged.
The circuit relief valve (return side) is
stuck open, set to a too low value or
there is a leak in the seat.
Valve spool leaking.
Internal valve leak.
Cylinder seals leaking or cylinder
barrel damaged.
Load check valve between control
valve sections damaged.
8 - 23
CORRECTION
Test the swing circuit relief valve.
Inspect the spool and check it for
wear or scratches.
Inspect and reseal the cylinder and
the ring nut.
Disassemble and inspect.
Inspect and reseal the cylinder.
Test the swing circuit relief valve.
Inspect the spool and check it for
wear or scratches.
Inspect the spool and check it for
wear or scratches.
Inspect and reseal the cylinder.
Disassemble and inspect.