AR83.70-W-5685B | Removing and installing overheating sensor | 2.5.96 |
MODELS 950, 952, 953, 954 with BODY 942.899 with CODE (H64) Eberspächer D9W hot water auxiliary heater
W83.70-0005-03
W83.70-0004-03
1 Tie strap
2 Tie strap
3 Cap
4 Cable retainer
5 Flat connector
6 Connector
7 Electrical line
8 Overheating sensor
9 Heat exchanger housing
10 Rubber cover
11 Thrust piece
12 Screw
13 Compression spring
14 Thrust piece
15 Guide clip
16 Sealing ring
| Remove/Install | ||
1 | Disconnect ground lead from battery | Do not interrupt main battery current in heater mode or in the run-on phase. | |
Danger! | Risk of injury caused by body parts being jammed and crushed when tilting cab | Ensure that no one is within the tilting range of the cab during tilting. Always tilt the cab all the way to the end position and secure with the safety strut. | |
2 | Tilt cab | ||
3 | Remove auxiliary heater control unit | ||
4 | Remove cable straps (1) and (2) | ||
5 | Remove cap (3) from cable retainer (4) | | |
6 | Fold open cable retainer | ||
7 | Unclip flat plug (5) of chamber nos. 5 and 8 from connector housing (6) | | |
8 | Pull electrical line (7) through to overheating sensor (8) and detach from guide clip (15) | ||
9 | Pull rubber cap (10) from thrust piece (14) | ||
10 | Unscrew the bolts (12). | | |
11 | Slide back thrust piece (11), push spring (13) and thrust piece (14) | ||
12 | Pull overheating sensor with sealing ring (16) out of heat exchanger housing (9) | If the overheating sensor sticks, carefully remove furring. Remove deposits from housing sealing surface in vicinity of sealing ring. | |
13 | Install in the reverse order | ||
Danger! | Risk of explosion caused by fuel vapors igniting, risk of poisoning caused by inhaling combustible gases and risk of injury caused by burns during and after operation of heater unit | Do not operate stationary heater, auxiliary heater or engine with heater booster in closed areas or when refueling. Allow heater unit to cool down after operation and wear protective gloves. | |
14 | Check function of stationary heater |
Stationary heater unit
Number | Designation | Models | ||
BA83.70-N-1006-03A | Bolt, cap to burner housing | Nm | 3.5 | |
BA83.70-N-1020-03A | Screw, overheating sensor to heat exchanger | Nm | 4.5 | |
655 589 06 63 00
Contact release mechanism