AR83.70-P-5302BA | Removing and installing stationary heater unit | 7.9.10 |
MODEL 210 up to 31.5.00 with ENGINES 612.961, 613.961
with Thermo Top C heater booster
MODEL 210 up to 31.5.00 with ENGINE 611.961 except CODE (921b) Rape oil operation
with Thermo Top C heater booster
P83.70-2633-09
Depiction of heater booster removal and installation
3 Heater unit coolant outlet hose
4 Heater unit coolant supply hose
6 Bolts
12 Combustion air intake hose
14a Bolt
14 Exhaust gas line
A6 Heater unit
7 Fuel feed line
9 Coupling, voltage supply
10 Coupling, control leads
11 Bracket
| Removing, installing | ||
| Differentiating characteristics stationary heater/stationary preheater/heater booster | Model 210 | |
1 | Remove lower section of noise encapsulation at front | ||
2 | Remove right inner fender wheel arch cover | ||
Danger! | Risk of injury to skin and eyes from scalding with hot coolant which splashes out. Risk of poisoning from swallowing coolant. | Do not open cooling system unless coolant temperature is below 90 °C. Open cap slowly and release the pressure. Do not pour coolant into beverage bottles. Wear protective gloves, protective clothing and eye protection. | |
3 | Relieve pressure in the coolant circuit | In order to achieve this, turn coolant compensation tank closure cap to locking position 1. | |
4 | Pinch off coolant supply hose (4) and coolant outlet hose (3) | | |
5 | Remove exhaust gas line (14) from heater unit (A6) and from bracket (11) | ||
6 | Disconnect coolant supply hose (4) from heater unit | Collect escaping coolant in a clean vessel and return to the coolant compensation tank following the installation of the heater unit. | |
7 | Unscrew bolts (6) for heater unit attachment from the left and right side of the bracket (11) | | |
8 | Remove heater unit (A6) from bracket (11), starting from the right side of the vehicle | ||
9 | Unclip electrical connection lead couplings (9 and 10) | ||
10 | Pinch off fuel supply line (7) and disconnect at heater unit (A6) | Collect escaping fuel with a cloth. | |
11 | Disconnect coolant outlet hose (3) from heater unit (A6) | Collect escaping coolant in a clean vessel and return to the coolant compensation tank following the installation of the heater unit. | |
| Disassembling, assembling | ||
12 | Disconnect combustion air intake hose (12) at the heater unit (A6) | ||
13 | Install in the reverse order | ||
Testing | |||
14 | Bleed the coolant circuit after installing the heater unit | ||
Danger! | Risk of explosion from fuel vapors, risk of poisoning from inhaling combustion gases and risk of injury from burns during and after operation of heater unit. | Do not operate stationary heater or engine with heater booster in enclosed rooms or whilst fueling. Allow heater unit to cool down after operation and wear protective gloves. | |
15 | Carry out heater booster (ZUH) diagnostic function test | ||
16 | Check cooling system for leaks |
Stationary heater
Number | Designation | Models | |
BA83.70-P-1009-01A | Bolt for bracket to heater unit | Nm | 10 |
000 589 40 37 00
000 589 54 37 00
Clamp
Clamp
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