CUBIC MACHINE SCREW JACK HIGH DUTY, METRIC “SYM-METRIC” - SERIES (MECHANICAL LINEAR ACTUATORS) SPARES LIST & MAINTENANCE INSTRUCTIONS MANUAL : MM-SMS-E-02 SUPPLIED BY: POWER JACKS LIMITED
Sym-metric Series – Screw Jacks CONTENTS 1 UNIT DETAILS ....................................................................................................................................................................... 2 2 PERFORMANCE RATINGS ................................................................................................................................................. 3 2.1 PERFORMANCE OF STANDARD SYM-METRIC ACTUATORS ................................................................
Sym-metric Series – Screw Jacks 2 Performance Ratings 2.
Sym-metric Series – Screw Jacks 3 General Instructions 3.1 Maintenance and Installation recommendations. In order to ensure that the actuators give good service over a period of years the following precautions should be taken 3.1.1 3.1.2 Select an actuator which has a rated capacity greater than the maximum load that may be imposed on it.
Sym-metric Series – Screw Jacks 5 General Assembly & Parts List 5.
Sym-metric Series – Screw Jacks 5.2 General Arrangement – Part B 11 7 4 11 12 33 9 10 34 34 35 36 35 18 18 36 32 9 9 10 10 5.
Sym-metric Series – Screw Jacks 6 Disassembly / Assembly Instructions (D.A.I.) 6.1 6.1.1 Translating Screw D.A.I Main Unit 6.1.1.1 Ensure that shell cap grub screw and plug (18) are slackened back clear of the thread grip (36) in shell (1) before unscrewing the shell cap (It may be necessary to tap shell cap loose). 6.1.1.2 On some models it will be necessary to remove the worm shaft (4) before the worm gear assembly can be pulled clear of the shell. 6.1.1.
Sym-metric Series – Screw Jacks 6.2 6.2.1 Rotating Screw D.A.I. Main Unit 6.2.1.1 Ensure that shell cap grub screw and plug (18) are slackened back clear of the thread grip (36) in shell (1) before unscrewing the shell cap (It may be necessary to tap shell cap loose). 6.2.1.2 On some models it will be necessary to remove the worm shaft (4) before the worm gear assembly can be pulled clear of the shell. 6.2.1.
Sym-metric Series – Screw Jacks 7 Warranty Information 7.1 Limitation of Responsibility The ratings given in this manual were compiled using standard engineering procedures. The ratings are designed to guide the customer in the selection and use of a unit. We do not guarantee the ratings in specific applications. Prototype testing of every application is recommended before production. Our engineering facilities are available for consultation at all times.
