Removing And Installing Water Tubes For Auxiliary Heating - Water Tube From Second Heat Exchanger To Heater

Removing And Installing Water Tubes For Auxiliary Heating - Water Tube From Second Heat Exchanger To Heater

Tools







Technical values







Preliminary Work
1. Remove complete heater.

Removing Water Tubes For Auxiliary Heating - Water Tube From Second Heat Exchanger To Heater







1. Remove water tube holder.
1.1. Screw off both fastening nuts -1-
1.2. Unscrew fastening screw -2-.







1.3. Remove water tube holder -3- ( -arrow- ).

2. Loosen water tube at the circulating pump.
2.1. Undo spring band clamp using assembly pliers for spring band clamps, Cayenne hose connections NR.72-1 ( -arrows A- ) and push down off the connection -arrow B-.







2.2. Pull water tube off the circulating pump -arrow C-.

3. Loosen water tube at the heater.
3.1. Undo spring band clamp using assembly pliers for spring band clamps, Cayenne hose connections NR.72-1 ( -arrows A- ) and push down off the adapter -arrow B-.







3.2. Pull water tube off heater -arrow C- and remove water tube.

Installing Water Tubes For Auxiliary Heating - Water Tube From Second Heat Exchanger To Heater
1. Secure water tube at the heater.

INFORMATION: Before connecting the water hoses, apply suitable rubber lubricant to the flanges.

1.1. Place water tube in installation position and slide onto the heater -arrow A-.
1.2. Slide spring band clamp onto the connection using the assembly pliers for spring band clamps, Cayenne hose connections NR.72-1 ( -arrow B- ) and align with the markings.







1.3. Slacken spring band clamp -arrows C- and secure the hose.

2. Secure water tube at the circulating pump.

INFORMATION: Before connecting the water hoses, apply suitable rubber lubricant to the flanges.

2.1. Place water tube in installation position and slide onto the circulating pump -arrow A-.
2.2. Slide spring band clamp onto the connection using the assembly pliers for spring band clamps, Cayenne hose connections NR.72-1 ( -arrow B- ) and align with the markings.







2.3. Slacken spring band clamp -arrows C- and secure the hoses.

INFORMATION:
- Make sure the water tube holder is installed at the correct position.
- The exhaust pipe runs behind the water tube holder.

3. Install water tube holder.
3.1. Position water tube holder -3- ( -arrow- ).
3.2. Tighten fastening screw -2-. - Tightening torque: 4.5 Nm (3.5 ftlb.)







3.3. Tighten fastening nuts -1-. - Tightening torque: 6 Nm (4.5 ftlb.)

Subsequent Work
1. Install complete heater.