W23.20-1059-08
1 | Oil separator | 7 | Compressed-air line engine brake | 12 | Intermediate flange | ||
2 | Compressor resonator | 8 | Coolant line to compressor | 13 | Oil spray nozzle | ||
3 | Bracket | 9 | Bracket | 14 | Timing case | ||
4 | Compressor suction line | 10 | Bearing housing | Pfeil A | Screw | ||
5 | Engine bleed line | 11 | Flange cover | Pfeil B | Hole | ||
6 | Compressed-air line constant throttle |
W23.20-1060-09
10 | Bearing housing | 16 | O-ring | 20 | Shim | ||
11 | Flange cover | 17 | O-ring | 21 | Spacer ring | ||
12 | Intermediate flange | 18 | Drive gear | 22 | O-ring | ||
15 | Bolts | 19 | Nut | 23 | Bolts |
| Remove | ||
Topical note | Notes on self-locking nuts and bolts | ||
1 | Open maintenance flap | ||
Warning | 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 it with the safety strut. | |
2 | Tilt cab | ||
Topical note | Notes on tilting the cab | ||
3 | Remove soundproofing from frame on the upper right, left and rear | ||
4 | Remove hydraulic pump with connected hydraulic lines. | Collect escaping engine oil. | |
5 | Remove driver and seal. | ||
6 | Remove engine bleed line (5) from oil separator (1), release from the brackets (3), and swivel to one side. | ||
7 | Remove compressor suction line (4) from compressor resonator box (2), release from the brackets (3) and swivel to one side. | ||
8 | Remove clamps of the compressor coolant line (8), constant throttle compressed-air line (6), and engine brake compressed-air line (7) from bracket (9). | ||
9 | Remove screw (arrow A) of the clamp from the bracket (9). | ||
10 | Remove bracket (9) from the bearing housing (10) | The bearing housing (10) may fall out. | |
11 | Remove bearing housing (10) from the timing case (14) | ||
12 | Remove O-ring (17) from bearing housing (10) | ||
13 | Remove intermediate flange (12) from flange cover (11) | Remove residues of sealant from intermediate flange (12). | |
14 | Remove O-ring (16) from intermediate flange (12) | ||
15 | Remove flange cover (11) from bearing housing (10). | ||
16 | Remove O-ring (22) from flange cover (11). | ||
17 | Remove spacer ring (21) and shim (20). | ||
18 | Unscrew oil spray nozzle (13) from cylinder crankcase. | ||
| Check | ||
19 | Check bore (arrow B) in the oil spray nozzle (13) for continuity | If necessary, clean the oil spray nozzle (13). | |
20 | Check drive wheel (18) for wear and damage | ||
If necessary, replace the drive wheel (18). | |||
Nut (double hexagon), drive gear to drive shaft | |||
Socket wrench bit | |||
Blocking device | |||
| Install | ||
21 | Tighten the oil spray nozzle (13) on the cylinder crankcase | Replace sealing ring. | |
Oil spray nozzle for oil supply of engine power take-off to crankcase | |||
22 | Install shim (20) and spacer ring (21). | ||
23 | Insert new O-ring (22) into flange cover (11). | Oil O-ring (22) with engine oil. | |
24 | Attach flange cover (11) to bearing housing (10). | Observe hole pattern of the flange cover (11) to the flange of the bearing housing (10). | |
25 | Coat new screws (23) on the first five threads with thread locking compound | Loctite 640 | |
26 | Tighten the new screws (23) for the preload dimension test | ||
Comply with flange cover tightening procedure (11) on the rear engine power take-off. | |||
Bolt, flange cover to bearing housing for pretension checking | |||
27 | Check preload dimension on rear engine power take-off. | ||
Preload value on rear engine power take-off | |||
28 | Tighten screws/bolts (23) | ||
Comply with flange cover tightening procedure (11) on the rear engine power take-off. | |||
Bolt, flange cover to bearing housing | |||
29 | Insert new O-ring (16) on intermediate flange (12) | Oil O-ring (16) with engine oil. | |
30 | Attach intermediate flange (12) to flange cover (11) | Screw, connecting flange to flange cover | |
31 | Insert new O-ring (17) into the bearing housing (10) | Oil O-ring (17) with engine oil. | |
32 | Attach bearing housing (10) with bracket (9) to the timing case (14) | Screw in screw (arrow A) at the clamp when positioning the bracket (9). | |
Bolt, bearing housing to timing case | |||
33 | Attach compressor coolant line (8), constant throttle compressed-air line (6), and engine brake compressed-air line (7). | ||
34 | Clip in compressor suction line (4) at compressor resonator box (2) and at bracket (3). | Check sealing ring for wear and damage; replace compressor suction line (4) if necessary. | |
35 | Attach engine bleed line (5) to oil separator (1) and clip it in at the bracket (3) | Check sealing ring (5) for wear and damage; replace engine bleed line if necessary. | |
36 | Slide driver onto drive shaft. | ||
37 | Place new seal on the intermediate flange (12) and attach the hydraulic pump | Coat the seal with sealant. | |
Hydraulic pump to connecting flange | |||
Sealant Loctite 574, 50 ml | |||
38 | Check engine oil level with oil dipstick or on display, add oil if necessary | ||
Notes on engine oil | |||
Observe engine oil grade set in maintenance system or Specifications for Operating Fluids. | |||
Warning | Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running. | Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts. | |
39 | Start engine and allow to run in idle for approx. 10 s until the oil pressure has built up and then run the engine at varying rotational speeds | ||
40 | Switch off engine and check area around the engine power take-offs at rear for leakproofness | Visual inspection. | |
41 | Install soundproofing from frame on the upper right, left and rear | ||
Warning | 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 it with the safety strut. | |
42 | Tilt back cab | ||
Topical note | Notes on tilting the cab | ||
43 | Close maintenance flap |
001 589 74 09 00
Socket wrench bit
457 589 01 63 00
Blocking device