AR03.30-W-8312J | Replace ring gear on flywheel | 29.7.11 |
ENGINES 900.9 in MODEL 375.1, 970, 972, 975, 976
ENGINES 902.9 in MODEL 375.3, 950.5 /6, 952.5 /6, 953.6, 954.5
ENGINES 902.9 in MODEL 957 except CODE (MS8) Natural gas engine
ENGINES 902.9 in MODEL 375.1, 970, 972, 974, 975, 976
ENGINES 924.9 in MODEL 958.0, 970, 972, 974, 975, 976
ENGINES 925.9 in MODEL 970, 972, 974
ENGINES 926.9 in MODEL 958.0
ENGINES 926.9 in MODEL 950.5 /6, 952.5 /6, 953.6, 954.5, 957, 958.2
W03.30-0020-06
1 Ring gear
2 Flywheel
2.1 Version with a 443 mm dia. with a 362 mm dia. clutch
2.2 Version with a 403 mm dia. with a 362 mm dia. clutch
2.3 Version with a 443 mm dia. with a 395 mm dia. clutch or version with a 487 mm dia. with a 430 mm dia. clutch
A Tapped hole (M101.5)
B Flywheel diameter for mounting ring gear
Arrow Core bore hole for thread (M8)
| Remove | ||
1 | Remove flywheel (2) | ||
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. | |
2 | Use a welding torch to rapidly heat up ring gear (1) and press it off flywheel (2) using a suitable drift | Underlay flywheel (2). | |
3 | Measure flywheel diameter for mounting the ring gear (B) on the flywheel (2) | Replace flywheel (2) if the value is outside the tolerance. | |
| Install | ||
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. | |
4 | Heat new ring gear (1) | The correct pulling on temperature is reached once ring gear (1) has a bright yellow annealing color. | |
Starter ring gear - installation temperature | |||
5 | Lay ring gear (1) onto flywheel (2) up to the contact surface | Allow ring gear (1) to cool for at least | |
6 | Bore out core bore holes for thread (M8) (arrow) in the ring gear (1) | Only for version 403 mm dia. with a | |
Use a 6.8 mm dia. drill bit. | |||
7 | Bring centerings onto the ring gear (1) through the threaded holes (M101.5) (A) | Only for version with a 443 mm dia. with a 395 mm dia. clutch or version with a 487 mm dia. with a 430 mm dia. clutch (2.3). | |
Use a 9.0 mm dia. drill bit. The centering pins are needed for the core drillings. | |||
8 | Drill out core hole bores for thread (M10) in the ring gear (1) | Only for version with a 443 mm dia. with a 395 mm dia. clutch or version with a 487 mm dia. with a 430 mm dia. clutch (2.3). | |
Use a 4.5 mm dia. drill bit. | |||
9 | Bore out core bores for thread (M10) in ring gear (1) on gauge block | Only for version with a 443 mm dia. with a 395 mm dia. clutch or version with a 487 mm dia. with a 430 mm dia. clutch (2.3). | |
Use a 8.5 mm dia. drill bit. | |||
10 | Turn flywheel (2) and chamfer core hole bores in the ring gear (1) | Only for version with a 443 mm dia. with a 395 mm dia. clutch or version with a 487 mm dia. with a 430 mm dia. clutch (2.3). | |
11 | Cut a thread (M10) in all core hole bores in the ring gear (1) | Only for version with a 443 mm dia. with a 395 mm dia. clutch or version with a 487 mm dia. with a 430 mm dia. clutch (2.3). | |
12 | Install flywheel (2) |
Check values for flywheel
Number | Designation | Engine | Engine | ||
BE03.30-N-1002-03B | Flywheel dia. for mounting starter ring gear (B) | mm | 360.435 to 360.575 | 392.435 to 392.575 | |
Check values for flywheel
Number | Designation | Engine | Engine | ||
BE03.30-N-1002-03B | Flywheel dia. for mounting starter ring gear (B) | mm | 392.435 to 392.575 | 432.490 to 432.645 | |
Check values for flywheel
Number | Designation | Engine | ||
BE03.30-N-1002-03B | Flywheel dia. for mounting starter ring gear (B) | mm | 392.435 to 392.575 | |
Check values for starter ring gear
Number | Designation | Engine | Engine | |
BE03.30-N-1005-04B | Starter ring gear - installation temperature | °C | 250 to 280 | 250 to 280 |
Check values for starter ring gear
Number | Designation | Engine | Engine | |
BE03.30-N-1005-04B | Starter ring gear - installation temperature | °C | 250 to 280 | 250 to 280 |