ar8370s5331s

Detach/attach heater from bracket

Type ar · topic 83.70 · version 0106 · 2019-02-25

Applies to: Model 639 with code H12 (Auxiliary hot-water heater) Model 906 with engine 642, 646, 651 with code H12 (Auxiliary hot-water heater) except code PE4 (DCAA bus master code, Argen) except code PE5 (Mastercode, bus seats on raised base, Argen)

Where it sits

Function group 3 Body › 83 Climate control › 83.70 Auxiliary/supplementary heater — Series 639 · Series 646 · Series 651 · Series 906

EinPAS 39 Heating/ventilation/cooling › 39.25 Stationary heater/auxiliary heater › 39.25.30 Heater — Series 639 · Series 646 · Series 651 · Series 906

Also applies to engines/gearboxes: 642 ***

AR83.70-S-5331S

Detach/attach heater from bracket

11.02.2019

Model

639

with code H12 (Auxiliary hot-water heater)

Model

906 with engine 642, 646, 651

with code H12 (Auxiliary hot-water heater)

except code PE4 (DCAA bus master code, Argen)

except code PE5 (Mastercode, bus seats on raised base, Argen)

Detach/attach heater from bracket

1

Fuel hose

2

Clamp

3

Air intake hose

4

Clamp

5

Electrical connector

6

Screw

7

Bracket

A6

STH heater unit

S83.70-4558-06

Detach/attach

1

Remove STH heater (A6) with bracket.


Model 639

AR83.70-S-5330S

Model 906

AR83.70-D-5945B

2

Remove exhaust system of STH heater (A6).

AR83.70-S-7000S

3

Remove clamp (2).

Installation: Replace clamp (2).

4

Remove fuel hose (1) from STH heater (A6).

5

Remove clamp (4).

Installation: Install new clamp (4).

6

Remove air intake hose (3) from STH heater (A6).

7

Remove cable ties (arrows).

Installation: Replace the cable ties (arrows).

8

Disconnect electrical connector (5).

9

Unscrew screw/bolt (6).

Installation: Clean thread in STH heater (A6) and coat screw (6) with thread locking adhesive.

Model 639Screw/bolt, heater to bracket

*BA83.70-N-1008-01A

Model 906Screw/bolt, heater to bracket

*BA83.70-N-1003-03C

Thread locking adhesive, Loctite 241

*BR00.45-Z-1001-02A

10

Remove STH heater (A6) from bracket (7).

Installation: Do not damage protective foil when mounting the bracket (7).

11

Install in the reverse order.

Auxiliary heater heating unit

Number

Designation

Model 906
with code H12 (Auxiliary hot-water heater)

BA83.70-N-1003-03C

Screw/bolt, heater to bracket

Nm

6

Stationary heater unit

Number

Designation

Model 636, 639

BA83.70-N-1008-01A

Screw/bolt, heater to bracket

Nm

6

Repair materials

Number

Designation

Order number

BR00.45-Z-1001-02A

Thread locking adhesive, Loctite 241

A 002 989 94 71

Referenced documents