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Checking Gearbox Oil Level – please refer to gearbox manual, but on the PRM
120 & 125D mechanical gearboxes, please ensure the following
Never exceed the maximum oil level on the dipstick!
Always use ATF Dextron II or III for your gearbox
PRM125D
The PRM125D Gearbox is fitted with a Level Plug, as shown below. This should be
used when re-filling the gearbox with oil after draining, to allow an easy and quick
reference.
NOTE: When checking the oil level, ensure the Gearbox is in neutral, start and run
the engine for a short time to circulate oil. Stop the engine and allow the oil to settle
for 2 minutes. Check the oil level with the Dipstick.
NOTE: The Dipstick should be secured firmly when checking the oil level.
Ensure the oil mark is below the marker
on the dipstick (shaded).
Ensure thread (shaded) is fully screwed down
into case with its relevant bonded seal when
measuring the oil level.