V4: August 2018
Page 21 of 31
For Review: August 2019
Author: LTV Team/JT
Replacing the air filter
The condition of the air filter should be inspected and checked weekly to see if it is blocked by dust or dirt. If it the
filter is deemed in good condition is should be changed monthly. If on a weekly inspection it is found to be blocked
that is advisable to change the filter even if the filter is less than 4 weeks old. NB. The filter is not reusable and
cannot be washed.
Before replacing the air filter, turn off the device and remove mains power and/or external battery.
1. Unlock the air filter cover by turning in an anti-clockwise direction.
2. Pull the air filter cover from the device.
3. Pull the air filter from the cover and discard.
4. Insert a new filter into the cover.
5. Insert the air filter and cover back into the device.
6. Turn in a clockwise direction to secure in place.
Order code: 27939 for pack of 4 filters.