If there are too many instructions in a sentence, the sentence will not be easy to understand. Put only one instruction in each work step, and use numbers or letters to clearly show the sequence of work steps.
Examples:
STE: (1) De-energize the system.
(2) Make sure that all switches on the control panel are in their correct position.
Non-STE: Set the TEST switch to the middle position and release the SHORT-CIRCUIT TEST switch.
STE: (1) Set the TEST switch to the middle position.
(2) Release the SHORT-CIRCUIT TEST switch.
You can write more than one instruction in a sentence when two actions occur at the same time.
Examples in STE:
Hold the panel in its installation position and install the fastener.
Slowly extend the rod fully and make sure that it does not touch other parts.
Cut and remove the wire.
Remove and discard the seal.
You can also write more than one sentence in a work step:
- When actions occur at the same time, or
- When a result occurs immediately after an action.
Examples in STE:
Make sure that the locking torque of each of the four bolts (6) is 0.30 Nm minimum. Then, torque each of the four bolts (6) to 4.20 Nm.
Measure the leakage from the outlet port. The leakage must not be more than 0.5 cc/minute.