User's Manual

Repair
18 3A2954D
Control Knob
This procedure applies to heater 24P016 only. See the
Parts illustration on page 22.
1. Follow Pressure Relief Procedure, page 11.
2. Turn control knob (33) to setpoint 1.
3. Loosen the control knob setscrew (30).
4. Remove control knob.
5. Remove adjusting knob (12) from the control knob
and press fit it onto the new control knob. Check the
grommet (29) and replace if worn.
6. Position new knob so setpoint 1 aligns with the
12 o’clock position and the knob is about 1/16 in.
(1 mm) away from the housing. Install and tighten
setscrew (30).