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AR83.70-W-5302B | Remove/install heater unit | 26.6.07 |
MODEL 950, 952, 953, 954 with BODY 942.899 with CODE (H64) "Eberspächer" D9W warm water auxiliary heater
W83.70-0013-06
1 Plug connector
2 Connector
3 Bayonet fitting
4 Retaining plate
5 Coolant hose
6 Hose clamp
7 Connection fitting
8 Hose clamp
9 Heater unit
10 Coolant hose
11 Connection fitting
12 Cable tie
13 Fuel pipe
14 Hose clamp
15 Hose clamp
16 Exhaust line
17 Combustion air line
18 Bracket
19 Bracket
20 Screw
21 Hose clamp
22 Bolts
Modification notes
| Remove/install | ||
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. | |
Danger! | Risk of injury to skin and eyes caused by scalding from contact with hot coolant spray. Risk of poisoning caused by 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 containers. Wear protective gloves, protective clothing and safety glasses. | |
| Notes on coolant | All engines | |
1 | Release pressure in coolant circuit | ||
Danger! | Risk of injury caused by body parts being pinched or crushed as cab is tilted | Ensure that no one is within the tilting range of the cab as it is being tilted. Always tilt the cab all the way to the end position and secure with the safety strut. | |
2 | Tilt cab | ||
| Notes on tilting the cab | ||
3 | Disconnect connector (2) from connector coupling (1) | ||
4 | Open bayonet lock (3) and remove connector coupling (1) from retaining plate (4) | ||
5 | Clamp off coolant hose (5) | | |
6 | Open hose clamp (6) at heater (9) and detach coolant hose from heater connection fitting (7) | Use clean vessel to collect escaping coolant (approx. 0,9 l). | |
Installation: After installing the heater, pour any coolant that escaped back into the coolant circuit. | |||
7 | Open hose clamp (8) at heater (9) and detach coolant hose (10) from connection fitting (11) | ||
8 | Cut cable tie (12) | ||
Danger! | Risk of explosion caused by fuel igniting, risk of poisoning caused by inhaling and swallowing fuel and risk of injury to eyes and skin caused by contact with fuel | No fire, sparks, open flames or smoking. Wear protective clothing when handling fuel. | |
9 | Detach fuel line (13) from heater | Seal fuel line with suitable stop plug. | |
10 | Detach exhaust line (16) and combustion air line (17) | ||
11 | Unscrew bolts (20, 22) and remove heater from brackets (18, 19) | | |
12 | Install in the reverse order | ||
Danger! | Risk of accident caused by vehicle starting off by itself when engine is running. Risk of injury caused by contusions and burns during starting procedure or when working near the engine as it is running | Secure vehicle to prevent it from moving by itself. | |
13 | Start engine and bleed cooling and heating system | Allow engine to warm up for approx. one minute at varying rpm. Top up coolant continuously up to top mark in the coolant expansion reservoir. | |
14 | Turn off engine | ||
15 | Check coolant hose connections for leaks | ||
16 | Check stationary heater for proper operation |
Auxiliary heater heating unit
Number | Designation | Model | ||
BA83.70-N-1012-03A | Bolt, heater to retaining plate | Nm | 20 | |
000 589 54 37 00
Clamping device