Cummins HC Alternator HC534F

Environmental and Cleanliness Check

Check environmental conditions and cleanliness

Measure ambient temperature inside

Measure ambient temperature outside

Check complete machine for damage, loose parts and earth bonds

Check guards, screens, warning and safety labels

Coupling Arrangement Inspection

Remove the DE adapter screen and cover to access the coupling

Check that the coupling discs are not damaged, cracked or distorted, and the coupling disc holes are not elongated

Replace the complete set of discs if any are damaged

Check tightness of bolts fixing the coupling discs to the engine flywheel

Tighten bolts in the sequence shown for alternator coupling in the Installation chapter, to the torque recommended by the engine manufacturer

Check for signs of wear or damage

Is there any damage to the seals?

Is there any discoloration of the bearing races?

Does the bearing need to be replaced?

Describe any issues found during inspection

Is the new grease uncontaminated and of uniform whitish-beige colour?

Fit the grease gun to the grease nipple

Follow the Remove Non-Drive End section to access NDE bearing

Is the DE bearing to be replaced?

Turn off the anti-condensation heater (if fitted) and isolate from supply.

Remove the lower air inlet cover.

Remove the terminal box lid and side panel (left hand, viewed from NDE)