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MAINTENANCE
FN20/FN14 NITRO 02/10 Maintenance Section 5-6
© 2010 Alamo Group Inc.
MAINTENANCE
DRIVELINES
The Drivelines and U-Joints should be inspected each morning before the mower is started.
Many of the equipment components are HEAVY (70 lbs or greater) and Special Lifting
Procedures are recommended. Use lifting assistance such as mechanical assistance, two
people, and proper lifting techniques when connecting or installing the driveshaft to reduce
the possibility of back injuries.
The U-Joint and CV Joint on the Driveline undergo extreme forces when the unit is turning or when the Wings
are being raised. It is important that the CV Joint be greased before the unit is started. The U-Joints are located
at each end of the Center and Wing Drivelines. The CV Joint is located at the end of the Main Driveline. The U-
Joint and CV Joint assemblies are accessible by rotating the Driveline Safety Shield until the hole in the Shield
matches up with the Grease Fitting. Use #2 Bearing Grease for lubrication. Inspect the U-Joint for wear by
holding the shaft on one side of the U-Joint while trying to rotate the shaft on the other side of the U-Joint. If
there is noticeable movement in the Driveline replace the U-joint before it causes severe damage to the
Driveline,
EXTENDED LUBE LEVER
LOCATION
INTERVAL ACTION PUMPS
Cross & Bearings 50 Hours 2 - 3
Telescoping Tube 50 Hours 8 - 10
CV Ball & Socket 50 Hours 4 - 6
CV Center Housing 50 Hours 12 - 15
CE & Non-Rotating Guard Bushings (1000 RPM Max) 50 Hours 2