Valve tool case
541 589 00 61 00
T05.30-0013-11
Shown on engine 457.944
Removal:
1 Fit guide of assembly cartridge (7) onto cylinder head and tighten with hexagon bolt.
2 Screw in detent part.
3 Insert assembly cartridge (7).
4 Attach thrust fork (5) to the detent part and fit onto assembly cartridge (7).
5 Apply light pressure to the thrust fork (5) and at the same time turn knurled screw to the right until the gap tips of the assembly cartridge (7) are felt to engage in the valve keys.
6 Press down thrust fork (5) with knurled screw up to the stop.
When this is done, the valve keys move into the assembly cartridge and are held.
7 Relieve thrust fork (5) and take out assembly cartridge (7).
T05.30-0012-11
Shown on engine 457.944
Assembly
8 Insert assembly cartridge (7) wiht the valve keys into the guide of the assembly cartridge (7).
9 Attach thrust fork (5) to the detent part and fit onto the assembly cartridge (7).
10 Press down thrust fork (5) as far as the stop.
11 Hold thrust fork (5) pressed and pull only the knurled screw up. The valve keys latch into the groove of the valve stem.
12 Detach valve tool from cylinder head.