Gearbox Lubrication; Driveline Lubrication - Bush Hog RD5 Operator's Manual

Gearbox Lubrication

The gearbox should be full (18 ounces) 0.54 liters
and not require additional lubricant unless the box
is cracked or a seal is leaking. It is recommended
that the hex oil level check plug (Figure MntP-R-
0020) be removed to check oil level after every 8
hours of operation. If required, oil should be added
until it runs out hole.
Recommended lubricant is EP80W-90 Gear Oil.
NOTE: Make sure mower is level when checking oil
in the gearbox. Gearbox capacity is 18 oz..
NOTE: Overfilling of Gearbox will cause pressure to build up and cause Grease Seals to leak.

DRIVELINE LUBRICATION

Grease Fittings are located on the Cross Assembly
of each U-Joint and on the telescoping tubes.
Grease the U-Joint after each 8 hours of use.
Figure MntP-R-0021. Do not force grease through
the Needle Cup Assemblies.
telescoping tubes after every 8 hours use. To
grease profile tube, disconnect drive from PTO and
pull halves apart. Pump grease into outer profile
tube and reinstall together. Lube Slide Collar weekly
with WD40 or equivalent weight oil. Figure Mnt-R-
0037.
The Driveline Integral Shields should not become dented or otherwise damaged. The Integral Shield Assembly
has a Nylon Bearing at each end and should turn freely. This nylon bearing should require lubrication every 40
hours. To remove the Integral Shields for replacement or repair, turn the three Nylon Nuts 1/4 turn in the Shield
Slots of the Cone and Tube and remove them. Slip the Shield Cone Assembly off inner section of the Driveline.
Install the new or repaired Shield on the Driveline. Place the split Nylon Bearing over the Driveline Housing of
Shaft against the Yoke and in the Bearing groove. Install shield over the Housing so the Nylon Bearing fits into
the Shield Bearing Retainer. Align a slot in the Shield Cone with one of the slots in the Shield. Put one of the
Nylon Nuts back in through the aligned slots and turn until it is perpendicular to the slots. Add the other two
Nylon Nuts.
Make certain that the Driveline Integral Shields are free to telescope and rotate around the
driveline without binding.
RD5-RD6 05/12
© 2012 Alamo Group Inc.
MAINTENANCE
Grease the
Maintenance Section 5-5