Castle TSM-21 Diagnostic Manual - Manual (Page 21)

Castle Inc TSM-21 Diagnostic Manual v2 Page 21 of 63
Clamp Solenoid
Air “OUT” line to Clamp
Pilot Valve, up to
SN: 61076
Clamp Exhaust
Air “OUT” line from
Clamp Solenoid
Fig 5
6.
If the clamping and releasing actions are not smooth and quick, the Clamp Cylinder
should be replaced.
5.5 Pilot Valve, Clamp Exhaust Check 21.13
This procedure applies only to machines up to SN: 61076.
Air from the Clamp Cylinder is exhausted out of the Pilot Valve Exhaust port. This port is located
to the left of the Air Pressure Regulator knob. If the clamp fails to extend, or releases very
slowly, the Pilot Valve Exhaust Port may be blocked.
5.5.1 TROUBLESHOOTING STEPS:
1. Open the rear door on the machine. The Exhaust port is the small, white plastic barb to
the left of the regulator knob. See Fig 6.