Manual | Ltb 72.5-170d1 B
, which utilizes the energy from the electric arc itself to help extinguish it. aitcorp.com.vn Energy Reduction:
Appendix B - Components of End Item and Basic Issue Items List Appendix C - Technical Manuals covering the Heavy Equipment Transporter (HET) Prime Mover.
You can find detailed technical manuals and maintenance guides through the following repositories: LTB 72.5-170D1/B Circuit Breaker Manual (Scribd) Hitachi Energy Product Brochure Maintenance Guide for LTB 72.5-170D1/B (Scribd) of the manual, such as wiring diagrams maintenance schedules ltb 72.5-170d1 b manual
Gas Filling: The poles are shipped filled with gas, but they must be checked and filled to the rated pressure (
: It typically pairs with a motor-charged spring operating mechanism, such as the , which utilizes the energy from the electric
Supported for single-pole or three-pole operation and is also available as a Disconnecting Circuit Breaker (DCB). Hitachi Energy Publisher Operation and Maintenance product manual details specific procedures for installation and upkeep: Live Tank Circuit Breaker LTB D 72.5 to 170 kV
Preventive maintenance checks and services (PMCS) means keeping a close watch on your equipment's condition. Keep your equipment in good condition and always ready for its primary use. You must keep a record of when you operators and crew must perform PMCS. **Table 3-1. Operator/Crew PMCS" Interval Item No. Item to be checked or serviced Procedure Not fully serviceable **If the equipment must be kept in use, the corrected record of when you operators and crew must perform PMCS." **3-3. CLEANING} Keep the trailer clean. Wash with water and mild soap. Do not use harsh chemicals or solvents (like gasoline or acetone) that can damage the components or finish. **3-4. PAINTING} If the paint is chipped or rust is spotted, clean to bare metal and apply an anti-rust primer and paint to protect the metal. Follow the unit SOP for painting. **Table 3-1
Verify that the steel support structure is perfectly leveled on its concrete foundation pad. Column Erection
De-energize the control voltage before adjusting the auxiliary switch cams. Improper adjustment can cause false “breaker closed” signals.
In case of motor failure, the spring can be charged manually using a handle. 4. Installation and Commissioning Guidelines