AR23.20-W-9440A | Disassemble/assemble rear engine power take-off | 11.9.09 |
ENGINE 541.9 in MODEL 950, 952, 953, 954
with CODE (N51) Rear engine power take-off, output torque 392 Nm
with CODE (N52) Rear engine power take-off, output torque 600 Nm
ENGINE 542.9 in MODEL 950, 952, 954
with CODE (N52) Rear engine power take-off, output torque 600 Nm
with CODE (N51) Rear engine power take-off, output torque 392 Nm
W23.20-0001-06
1 Oil spray nozzle
2 Nut
3 Gear
4 O-ring
5 Bearing housing
6 Roller bearing
7 Shaft
8 Spacer tube
9 Ball bearing
10 Roller bearing
11 Race
12 Shim
13 O-ring
14 Bearing cap
15 Radial sealing ring
16 Spring washer
17 Bolt
18 Cover panel
19 Output flange
20 Nut
W23.20-0009-09
2 Nut
3 Gear
5 Bearing housing
7 Shaft with bearing
14 Bearing cap
17 Bolt
20 Nut
21 Puller
22 Internal extractor
23 Counter stay
24 Hot air blower
25 Retainer wrench
26 Box wrench
W23.20-0010-01
1 Oil spray nozzle
Modification notes
22.4.08 | Value modified: Bolt from bearing housing to timing case | ||
Value modified: Initial load of rear engine power take-off |
| Disassemble | ||
Danger! | Risk of injury caused by body parts being pinched or crushed as cab is tilted | Ensure that no one is within tilting range of cab as it is being tilted. Always tilt cab all the way to the end position and secure with safety strut. | |
1 | Tilt cab | ||
| Notes on tilting the cab | Model 950, 952, 953, 954 | |
2 | Disconnect propeller shaft | ||
3 | Take off right and rear noise encapsulation | ||
4 | Remove timing case cover | ||
5 | Loosen nut (2) on gear wheel (3) with box wrench (26) | Counterhold output flange (19). Do not screw the nut downward. | |
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6 | Unscrew nut (20) from output shaft | Counterhold flange (19) with retainer wrench (25). | |
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7 | Remove output flange (19) and cover panel (18) | ||
8 | Remove bearing cap (14). | Collect engine oil which flows out. | |
9 | Remove O-ring (13) and shim (12) | ||
10 | Pull out shaft (7) and bearings (6, 9, 10) with puller (21) while screwing nut (2) downward | Fasten the pulling device (21) to the output shaft with nut (20). Place protective pads under the bolts of the pulling device. | |
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11 | Take out drive gear (3) from the timing case | ||
12 | Take out spacer tube (8) from the bearing housing (5) | ||
13 | Pull out bearing housing (5) with internal extractor (22) and counter stay (23) from the timing case | Place protective pads under the counter stay. | |
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14 | Remove O-ring (4) from bearing housing (5) | ||
Danger! | Risk of injury to skin and eyes caused by handling hot or glowing objects. | Wear safety gloves, protective clothing and safety glasses, if necessary. | |
15 | Remove/install bearings (6, 9, 10) on shaft (7) | ||
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| Assemble | ||
16 | Check that oil nozzle (1) is firmly seated in the cylinder crankcase | | |
17 | Fit O-ring (4) to bearing housing (5) | ||
18 | Insert bearing housing (5) in the timing case | Machined surface facing toward timing case cover. | |
19 | Heat up the timing case with a hot air blower and drive bearing housing (5) into the timing case | ||
20 | Insert spacer sleeve (8) in the bearing housing (5) | Pay attention to the catch. | |
21 | Insert shaft (7) together with bearings (6, 9, 10) in bearing housing (5) | When inserting the shaft, push drive gear (3) onto the splines and screw on the new nut (2). | |
22 | Mount radial sealing ring (15) and O-ring (13) in bearing cap (14), and place the shim (12) | ||
23 | Mount bearing cap (14) on the timing case | Tighten bolts (17) alternately to 10 Nm in order to determine the axial play. | |
24 | Determine the axial play on the engine power take-off | Distance between bearing cap (14) and bearing bushing (5). | |
25 | Tighten bearing cap (14) | | |
26 | Push cover panel (18) onto the shaft (7) | ||
27 | Mount drive flange (19) | Use new nut (20). Secure nut. | |
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28 | Tighten and lock the nut (2) on gear wheel (3) with box wrench (26) | Counterhold drive flange (19) with retainer wrench (25). | |
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29 | Install timing case cover | ||
30 | Connect propeller shaft | ||
31 | Install soundproofing | ||
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. | |
32 | Tilt cab into driving position | ||
33 | Start engine | Crank engine with starter for no more than 20 seconds. Wait at least for about 2 minutes before repeating attempt at starting. | |
34.1 | Request engine oil level in display | ||
| Model 950, 952, 953, 954 | ||
| Model 950, 952, 953, 954 | ||
34.2 | Check engine oil level with dipstick | Only if the oil level sensor system has not been parameterized. | |
35 | Switch off engine and check the engine power take-off for leaktightness | Visual inspection |
Check values for the rear engine output
Number | Designation | Engine 541.9, 542.9 with code N51 | Engine 541.9, 542.9 with code N52 | Engine 541.9, 542.9 with code N53 | |
BE23.20-N-1001-01A | Preload value on rear engine power take-off | mm | 0.10 to 0.20 | 0.10 to 0.30 | 0.10 to 0.20 |
Cylinder crankcase, timing case cover, end cover
Number | Designation | Engine | ||
BA01.40-N-1006-01D | Oil nozzle for oil supply (power take-off) to crankcase | M18X1.5 | Nm | 80 |
Rear engine power take-off
Number | Designation | Engine 541.9, 542.9 with code N51 | Engine 541.9, 542.9 with code N52 | Engine 541.9, 542.9 with code N53 | ||
BA23.20-N-1001-01A | Bolt, bearing housing and flange cover to timing case | Nm | 30 | 30 | 30 | |
BA23.20-N-1002-01A | Nut (hexagon), drive gear to drive shaft | M331.5 | Nm | 300 | 300 | 300 |
BA23.20-N-1003-01A | Nut, output flange to drive shaft | M241.5 | Nm | 300 | 300 | - |
000 589 35 33 00
000 589 68 33 00
402 589 03 03 00
460 589 01 31 00
Counter stay
Retainer wrench
Ring wrench
Internal puller
001 589 19 33 00
745 589 00 33 00
Pulling device
Puller