C) Housing disassembly

C) Housing disassembly

WARNING!

Use right capacity lifting devices. Also ensure holding pipe as shown below is available to avoid breaker falling down. Disassembling work without proper lifting devices and holding pipe is very dangerous and may cause injury or fatal accident.

a. Prepare a hole and holding pipe and place the breaker on the pipe

b. Remove MC cover and gas cover (or ALS and its bracket if mounted on the breaker).

c. Disassemble breaker bracket and put it on the floor safely.

d. Take upper damper, head plate, shall pad and power cell off the housing.

WARNING!

Ensure that eye bolt is fitted tightly and lifting devices and facilities are up to the right capacity to handle power cell weight.

NOTE! Be careful not to lose rubber plug(s) on the head plate and two O-rings between head plate and shall pad. Reassembly of breaker with any missing will cause failure of breaker parts.

e. Remove all remaining shell pads and bottom damper from the housing.

NOTE! Be careful not to lose two O-rings between head plate and shall pad. Reassembly of breaker with any missing will cause failure of breaker parts as well as shall pad.