PENTA 30 Series Operator's Manual page 24

Maintenance
Twice annually, or every 200 hours of operation, which ever comes first, it is recommended to
remove the bottom plug, located near the back of each bottom section of each gearbox. Use a
rubber plug to stop the oil from flowing out of the gearbox while the bottom plug is removed.
This is a magnetic plug, designed to attract any metal particles that are present in the oil. If the
plug has metal filings stuck to it, or any other particles are found in the oil, the gearbox should be
drained into a clean container, and refilled with new oil. As well, contact your PENTA TMR
Machinery dealer immediately.
In addition to checking the oil, inspect the exterior of the gearbox for sight of leakage. The plugs
that are visible on the gearbox should be checked, to make sure they are properly tightened. If
signs of oil are found on the casing of the gearbox, there may be a leak.
If signs of leakage are present, contact your PENTA TMR Equipment Dealer immediately.
Filling the planetary gearbox
PENTA TMR Inc. recommends that the following procedures be followed, when re-filling the
gearbox: IMPORTANT! FILL GEARBOX THRU THE BOTTOM FITTING!
 Remove the breather cap from the top of the reservoir.
 To pump the synthetic oil into the gearbox, remove the hydraulic hose that is attached to the
bottom of the reservoir and attach it to your pump. Pump the oil into the gearbox until the oil
comes out of the top of the gearbox.
 There are two ways to check if the gearbox is full:
 Unbolt and lift the auger and check the oil level in the tower plug
 The air line that goes to the top of the reservoir also goes to the top of the tower. This
line can be checked if the gearbox if full but it takes a lot of pressure to pump it all the
way through the entire line. If the line is cut 8-12 inches below the floor, the oil will
come out of the line when the gearbox is full. (18 litres or 5 U.S. gallons)
 Remove the pump and reattach hose to the reservoir.
 Install a coupler in the air line.
 Add last several litres of oil to the reservoir using a funnel until the oil in the reservoir reaches
the recommended operating level.
If, for any reason, the oil level in the reservoir does not stay at the recommended level, and oil must
be added on a regular basis, contact your PENTA TMR Equipment Dealer.
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