Balance Shaft Bearing Set Cummins Engine ISM – Engine QSM
Important: The socket must be installed with pressure hardware, respecting the orientation of the lubrication orifices. After installation it may be necessary to check the internal diameter, alignment and shape of the lever shaft. You don’t have to install it directly.
They appear to be applied on some Komatsu and Doosan-Daewoo teams that use these engines. The definitive compatibility must be confirmed via the ESN.
The cam follower lever operates directly with the camshaft. The lever’s roller follows the cam profile and transfers the movement to the valve train.
During replacement, it is also advisable to check: the roller surface; the roller pin; lever side play; bushings and lever shaft; camshaft lobes; for the presence of pitting, scoring, or uneven wear.
In fact, Cummins and suppliers require the ESN and CPL to confirm compatibility prior to sale.
It is inserted into the designated slot on the camshaft.
To be 100% certain, check the engine serial number (ESN),
the return line and turbocharger may vary depending on the CPL,
year, and turbo configuration.