Remove/Install Lanchester Balancer - AR03.20-P-1100MRA
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Engine 274.920 in model 205
Engine 274.920 in model 253
| Risk of injury to skin and eyes due to handling of engine oil. Risk of poisoning caused by swallowing engine oil | Wear protective gloves, protective clothing and safety glasses. Do not fill engine oil into beverage containers. |
AS18.00-Z-0001-01A | |
| Risk of injury caused by scraping or cutting body parts on sharp vehicle parts | Always wear protective gloves when working on or near sharp and non-deburred vehicle parts. Deburr repair panels. | AS00.00-Z-0017-01A | |
| Notes on avoiding damage through contamination and foreign objects | AH00.00-P-5000-01A | ||
| Notes on threaded connections fastened using a tightening angle-based tightening process | AH00.00-P-0020-01A | ||
| Remove | |||
| 1 | Rotate engine at crankshaft center bolt in direction of engine rotation to top dead center (ignition TDC) on cylinder 1 | Fig 4 | |
| 2 | Remove oil pan | AR01.45-P-7500MRA | |
| 3 | Remove oil suction pipe (7) | ||
| 4 | Remove screw/bolts (5s) and take off oil deflector (5) | ||
| 5 | Unscrew screw/bolts (2s) and remove cover (2) | ||
| 6 | Check variant of the balance shaft housing (3) | ||
| 7 | Remove screw/bolts (1a, 1b, 1c, 1d) and remove balance shaft housing (3) downwards | ||
| 8 | Check new O-rings of screw/bolts (1a, 1c) for damage | New O-rings can be damaged through inappropriate packaging and may not be used. Otherwise engine damage can occur. In case of a complaint ↓ Replace new O-rings. |
|
| 9 | Check new screw/bolts (1a, 1c) to see whether the O-rings rest properly on the screw shank in the groove | The O-ring serves to stabilize the screw shank and should prevent any vibration breakage of the screw/bolts (1a, 1c). Otherwise engine damage can occur. |
|
| Install | |||
| 10 | Move the balance shaft housing (3) into the assembly position on the crankcase (01) | When assembling a new balance shaft housing (3) ensure that the coating is not damaged. Otherwise the balance shaft housing (3) will be damaged. |
|
| 11 | Attach balance shaft housing (3) with new screw/bolts (1b, 1d) to crankcase (01) and screw in new screw/bolts (1b, 1d) slightly by hand | ||
| 12 | Tighten new screw/bolts (1a, 1c) slightly by hand | Ensure that the O-Ring is not pushed out of the groove on the screw shank during assembly or damaged during assembly. Otherwise engine damage can occur. |
|
| 13.1 | Move balance shafts into the basic position | Engine 274.920 ## up to 0427135 in model 205, 253 | AR03.20-P-1100-05MR |
| *BA03.20-P-1001-03B | |||
| Torsional backlash | *BE03.20-P-1001-05B | ||
| Fig 3 | |||
| Fig 1 | |||
| Fig 2 | |||
| 13.2 | Tighten screw/bolts (1a, 1b, 1c, 1d) | Engine 274.920 ## as of 0427136 in model 205 253 |
*BA03.20-P-1001-03B |
| 14 | Fit cover (2) onto balance shaft housing (3) | ||
| 15 | Install oil deflector (5) | *BA18.10-P-1005-01S | |
| 16 | Install oil suction pipe (7) | *BA18.10-P-1003-01S | |
| 17 | Install oil pan | AR01.45-P-7500MRA | |
| 18 | |||
| AP18.00-P-1811MP | |||
| 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 buttoned-up and snug-fitting work clothes. Do not touch hot or rotating parts. | AS00.00-Z-0005-01A | |
| 19 | Carry out engine test run and check engine for proper leak tightness and function | ||
| 20 | Install center and rear sections of lower engine compartment paneling | AR61.20-P-1105LW |
CHECK VALUES FOR LANCHESTER BALANCER
| Number | Designation | Engine 274 | ||
|---|---|---|---|---|
| BE03.20-P-1001-05B | Torsional backlash | Assembly value | mm | 0, 09...0, 15 |
| Specified value | mm | 0, 07...0, 13 | ||
LANCHESTER BALANCER
| Number | Designation | Engine 274 | ||
|---|---|---|---|---|
| BA03.20-P-1001-03B | Bolt, Lanchester balance housing to crankcase | Stage 1 | Nm | 5 |
| Stage 2 | Nm | 27 | ||
| Stage 3 | ∠° | 90 | ||
| Stage 4 | ∠° | 90 | ||
OIL PUMP
| Number | Designation | Engine 274 | |
|---|---|---|---|
| BA18.10-P-1003-01S | Bolt, oil suction pipe to pipe flange/bracket | Nm | 9 |
OIL PUMP
| Number | Designation | Engine 274 | |
|---|---|---|---|
| BA18.10-P-1005-01S | Bolt, oil baffle to crankcase | Nm | 9 |