AR43.30-W-0014B | Disassembling and assembling retarder | 4.3.10 |
MODEL 375.4, 944 with CODE (BA9) Voith secondary retarder R 115
W43.30-1141-09
1 Cover, shaped breather
2 Screw
3 Bracket
4 Screw
5 Screw
6 Bracket
7 Gasket
8 Shaped breather
9 Valve element
10 O-ring
11 Float
12 Float cage
13 Screw
14 Sealing ring
15 Screw
16 Retarder housing
17 Screw
18 Screw
19 Circlip
20 Muffler
21 O-ring
22 O-ring
45 O-ring
46 O-ring
47 Sealing ring
48 Central oil drain screw
49 Heat exchanger
50 Sealing ring
51 Washer
52 Screw
53 O-ring
54 Sound insulation plate
55 O-ring
56 Bracket
57 Screw
58 Bracket
59 Nut
60 Compressed-air connection
61 Electrical connection cable
B65 Coolant temperature sensor
B66 Oil temperature sensor
Y44 Retarder proportioning valve
X97 Plug connection Voith retarder
23 Outlet valve
24 O-ring
25 Pressure control valve
26 O-ring
27 Sealing ring
28 Screw plug with sieve
29 Upper oil reservoir cover
30 Screw
31 Sealing ring
32 Oil filler plug
33 Screw
34 Gasket
35 Oil level inspection plug
36 Sealing ring
37 Oil reservoir
38 Sealing ring
39 Oil filler plug
40 O-ring
41 O-ring
42 Gasket
43 Lower oil reservoir cover
44 Screw
| Disassemble/assemble | ||
| Notes on self-locking nuts and bolts | ||
Danger! | Risk of injury caused by touching hot retarder and by scalding from hot retarder oil. Risk of injury to skin or eyes caused by retarder oil escaping under high pressure | Do not carry out any work unless retarder is switched off. Wear suitable protective clothing and safety glasses when working on the hot retarder. | |
1 | Drain oil from retarder and determine oil quantity | ||
| Retarder - checking, correcting oil level | ||
2 | Remove retarder | ||
3 | Place retarder and handle on a clean working surface | Secure the retarder if necessary to prevent it from falling down. | |
4 | Detach cable fasteners | Installation: Install new cable ties. | |
5 | Disconnect electrical connecting line (61) from retarder proportioning valve (Y44) | ||
6 | Remove bracket (58) | | |
7 | Remove retarder proportioning valve (Y44) | | |
Installation: Install new O-rings (55) and grease slightly. | |||
8 | Remove damping plate (54) | Installation: Check damping plate for cracks and replace if necessary. In the case of painted damping plates, cracking or flaking of the paint coat does not impair function. Install new O-rings (53) and apply a light coating of grease. | |
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9 | Remove profile ventilation (8) | ||
10 | Remove circlip (19) | Installation: The arched side of the circlip must point towards the muffler. | |
11 | Remove silencer (20) | Installation: Clean the muffler with pure benzine and blow out with compressed air. Replace the muffler if severe contamination is present. | |
12 | Detach Voith retarder connector (X97) from bracket (6) | ||
13 | Remove coolant temperature sensor pin from the Voith retarder connector (X97) | | |
14 | Unscrew coolant temperature sensor (B65) | | |
15 | Remove oil temperature sensor pin from the Voith retarder connector (X97) | | |
16 | Unscrew oil temperature sensor (B66) | ||
17 | Remove heat exchanger (49) | Installation: Replace O-rings (40, 41) and grease lightly. | |
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18 | Detach bracket (6) | | |
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19 | Detach upper oil reservoir cover (29) | Installation: Replace seal (34). | |
Tighten upper oil reservoir cover as per the specification. | |||
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20 | Detach lower oil reservoir cover (43) | Installation: Replace seal (42). | |
Tighten lower oil reservoir cover as per the specification. | |||
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21 | Detach oil reservoir (37) | Installation: Insert new O-rings (21, 24) in the grooves with Vaseline | |
Replace bolt (15) (17 and 18)??? | |||
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22 | Remove exhaust valve (23) and O-ring (22) from the retarder housing (16) | Installation: Check exhaust valve (23) for ease of movement and ensure that it is not tilted. Replace O-ring (22) and observe installation position of exhaust valve (23). | |
23 | Install in the reverse order |
Retarder
Number | Designation | Models 375, 944 | |||
BA43.30-N-1001-01A | Bolt, profile ventilation cover at retarder housing | Nm | 25 | ||
BA43.30-N-1002-01A | Bolt, oil reservoir cover at top to oil reservoir | Initial torque | Nm | 17 | |
Final torque | Nm | 25 | |||
BA43.30-N-1003-01A | Stretch bolt, oil reservoir to retarder housing | M1465 | Initial torque | Nm | 50 |
Final torque | ° | 40 | |||
BA43.30-N-1008-01A | Collar nut/bolt, retarder to transmission | Nm | 110 | ||
BA43.30-N-1009-01A | Bolt, damping plate to oil reservoir cover | Nm | 30 | ||
BA43.30-N-1010-01A | Nut proportional valve on damping plate | Nm | 18 | ||
BA43.30-N-1011-01A | Coolant temperature sensor | Nm | 28 | ||
BA43.30-N-1012-01A | Oil temperature sensor to retarder housing | Nm | 28 | ||
BA43.30-N-1013-01A | Stretch bolt, oil reservoir to retarder housing | M14150 | Initial torque | Nm | 50 |
Final torque | ° | 90 | |||
BA43.30-N-1019-01A | Bolt, oil reservoir cover at bottom to oil reservoir | Initial torque | Nm | 17 | |
Final torque | Nm | 25 | |||
BA43.30-N-1021-01A | Bolt, heat exchanger to oil reservoir | M1445 | Initial torque | Nm | 50 |
Final torque | ° | 30 | |||
950 589 00 99 00
Tool box kit
Handle
312 589 01 31 00
Repair materials
Number | Designation | Order number |
BR00.45-Z-1015-06A | Vaseline | Karl Käppler GmbH & Co. KG Liebknechtstr. 48 |
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