(3) The Solenoid is defective
Adjust the relationship between the solenoid
piston and cylinder by moving the solenoid cylinder
back or forth on the solenoid bracket.
(4) The Control Box is defective
The control box requires repair. Contact the JST
Technical Services Department for assistance.
4. The Ram ‘clunks’ many times
(1) The Solenoid is defective
Refer to 3-(3) above.
(2) A Spring has become slack
Replace the spring with a new one, see 3-(1).
(3) The Control Box is defective
The control requires repair. Contact JST
Technical Services Department for assistance.
5. The Ram moves too slowly, or stops at
Bottom Dead Centre
(1) A Stick Roller is worn out
Replace the stick rollers with new ones.
Always replace the rollers as a set of seven.
Oversize rollers are available from JST to
extend the service life of the clutch. Please contact
the Technical Services Department for details.
(2) Grease is applied incorrectly, or the wrong
grade of grease has been used
Clean the clutch and reapply the correct grade
of grease. See section 7 for details of grease
specification.
(3) The Applicator is seized
Contact the JST Technical Services
Department for assistance.
(4) Part of the Clutch assembly is missing
Check that all the Stick Rollers are assembled.
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