HYDRAULIC FILTER INDICATOR SENSORS REPLACEMENT - CONTINUED
There are three filter indicator sensors located in filter heads of high-pressure hydraulic filters. Ease of
access to remove sensors varies. In some cases, it may be necessary to remove both filter and filter head
to access sensor.
Remove and discard tiedown straps.
Tag wires to ensure correct installation.
Trace electrical cable (3) from sensor (4) back to junction box (6).
Loosen four screws (2) and remove cover (1) of junction box (6). Inspect rubber seal in groove of cover. Replace only if
Loosen cable nut (10) and slide cable nut and grommet (9) back on cable (3).
Using a jewelers screwdriver, disconnect cable wires (8) from terminal blocks (7). Remove cable (3) from junction box