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26 Service & Maintenance
MAN0506 (Rev. 9/5/2008)
Daily or every 8 hours of operation
1. Lubricate PTO U-joints and over-running clutch.
2. Check gearbox daily or every 8 hours of operation.
See Figure 24 for gearbox oil fill location.
Figure 24. Gearbox Oil Fill Location
Every 25 hours of operation
1. Lubricate PTO driveline telescoping section (one
location, Position B, Figure 23).
2. Lubricate rotor end bearings. See Figure 25.
3. Lubricate wheel rockshaft bearings (3 to 5
locations). See Figure 26.
Figure 25. Rotor End Bearing
Lubrication Point
Figure 26. Wheel Rockshaft Bearing
Lubrication Points
Every 40 hours of operation
1. Lubricate rotor drive couplers next to the couplers
on underside of unit and inside of flail tube (use
hole in flail tube to access grease fitting, 2
locations).
2. Grease the drive hubs with 10 to 20 pumps. You
may use extra grease only on drive hubs.
Annually
1. Change gearbox oil. Refill with SAE 85W90 gear
oil. Capacity: 2-1/2 U.S. quarts (110 oz.). See
Figure 27.
Figure 27. Gearbox Oil Drain Location
2. Repack wheel bearings. See Figure 28.
Figure 28. Wheel Bearings
3. Lubricate ratchets as necessary (2 locations each
ratchet). See Figure 29.
Figure 29. Ratchet Lubrication Points
7109
7123Z
7114Z
ROTOR
DRIVE HUB
GEARBOX
OIL DRAIN
7126Z
7104Z
(Rev. 1/24/2011)