User's Manual

Repair
3A2954D 21
RTD Sensor and Fitting
Replacement
(Model 262853 Only)
1. Follow Pressure Relief Procedure, page 11.
2. Disconnect power.
3. Remove screws (52) then remove cover (18).
4. Disconnect M8 cable connection for sensor (88).
5. Loosen nut on compression fitting (72) and pull the
sensor (88) straight up and out.
6. Remove compression fitting.
Reassembly
NOTE: Sensor (88) and fitting (72) must be replaced
together.
1. Install new compression fitting (72) into
housing (67).
2. Position sensor through housing (67) so it sticks
through the aluminum shoulder on core (68) 1/16 to
1/8 in. (1.6 to 3.2 mm) into fluid outlet, when looking
into the outlet. See FIG.13.
3. Tighten compression nut on fitting (72) 3/4 turn after
it holds sensor tight.
4. Connect M8 plug.
5. Install cover.
NOTICE
Sensor (88) position cannot be changed once a com-
pression fitting (72) has been tightened. A new sensor
(88) and a new compression fitting (72) must be used
if the position is wrong.
NOTICE
The RTD sensor must always be mounted on the out-
let side of housing (67). If you plumb the outlet to the
left side, swap position of sensor (88) and plug (82).
FIG.13
M8 Plug
ti20209a
1/16-1/8 in.
(1.6-3.2 mm)