RHINO FINISHING MOWERS GK6072, Operator'S Manual

Page: 88 / 98

Maintenance Section 5-8
MAINTENANCE
GK6072 08/01
© 2004 Alamo Group Inc.
MAINTENANCE
BLADE SPINDLE SERVICE INSTRUCTIONS
DISASSEMBLY
1. Remove adjusting nut #3.
2. Support spindle housing #2 under flange and drive out shaft assembly #1.
CAUTION ! Use tube on top end of shaft to protect grease fitting.
3. Remove bearing cups from housing. Remove lower bearing from shaft assembly by inserting punch through
hole in shaft hub and drive bearing off shaft. Once bearing has been moved 3/8" - 1/2" up shaft, lay flatbars
on either side of the shaft and support across vice..or other convenient means. Remove bearing by driving
as described in step #2.
4. Clean all parts and reassemble with new parts can proceed.
ASSEMBLY
1. Press bearing cups in spindle housing.
2. Insert bearing cone in bottom of housing and press in bottom seal #6, flush with bottom of housing.
3. Insert shaft assembly #1 through bottom seal and bearing. Press or lightly drive shaft until it bottom against
bearing.
4. Turn spindle over and sit on blade mount washer. Install top bearing and seal. NOTE: Direction of seal lip on
top side.
5. Install top adjusting nut #3. Adjust nut to give bearing end play of .002" - .006". Apply Loctite 242 to nut.
6. Grease spindle, until grease is forced out top seal lip.
(FIGURE 10)
6
5
1
4
2
3
4
7
8
FIGURE 10
Use a 15/16" minimum I.D.
Tube to remove Shaft.